SERVICE MANUAL LCD FLAT TELEVISION LT-37X688/V, LT-42X688/C. Illustration of LT-37X688

Transcription

1 YA SERVICE MANUAL SERVICE MANUAL LCD FLAT TELEVISION LT-37X688/V, LT-42X688/C BASIC CHASSIS FN2 COPYRIGHT 2007 Victor Company of Japan, Limited Illustration of LT-37X688 TABLE OF CONTENTS 1 PRECAUTION SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY ADJUSTMENT TROUBLESHOOTING COPYRIGHT 2007 Victor Company of Japan, Limited No.YA /7

2 Items Dimensions ( W H D ) Mass Design & specifications are subject to change without notice. SPECIFICATION LT-37X cm 65.2 cm 23 cm (36-1/4 x 25-3/4 x 9-1/8 ) [Included stand] 91.9 cm 60.4 cm 10.8 cm (36-1/4 x 23-7/8 x 4-3/8 ) [TV only] 19.5 kg (42.9 lbs) [Included stand] 18.3 kg (40.3 lbs) [TV only] AC120 V, 60 Hz Contents Power Input Power Consumption 210 W (Max) 250 W (Max) TV RF System (Analog / Digital) Color System (Analog) Stereo System (Analog) Teletext System (Analog) TV Receiving Channels and Frequency (Analog) Analog CCIR (M) Digital ATSC terrestrial / Digital cable NTSC BTSC (Multi Channel Sound) Closed caption (T1-T4 / CC1-CC4) VHF Low 02 ch - 06 ch : 54 MHz - 88 MHz VHF High 07 ch - 13 ch : 174 MHz MHz UHF 14 ch - 69 ch : 470 MHz MHz CATV 54 MHz MHz Low Band: High Band: Mid Band: Super Band: Hyper Band: Ultra Band: 65-94, Sub Mid Band: 01, Channels Video IF MHz Sound IF MHz (4.5 MHz) 3.58 MHz LT-42X cm 72.0 cm 29.6 cm (40-5/8 x 28-3/8 x 11-3/4 ) [Included stand] cm 67.2 cm 10.8 cm (40-5/8 x 26-1/2 x 4-3/8 ) [TV only] 26 kg (57.2 lbs) [Included stand] 24.1 kg (53.0 lbs) [TV only] TV / CATV Total Channel Intermediate Frequency (Analog) Color Sub Carrier Frequency (Analog) LCD panel 37V-inch wide aspect (16:9) 42V-inch wide aspect (16:9) Screen Size Diagonal: 94.0 cm (H: 820. cm V: 46.0 cm) Diagonal: cm (H: 93.5 cm V: 52.8 cm) Display Pixels Horizontal : 1920 dots Vertical : 1080 dots (W-UXGA) Audio Power Output 10 W + 10 W Speaker 4.0 cm 16.0 cm, twin oblique type 2 Antenna Terminal (VHF/UHF, ATSC / DIGITAL CABLE IN) Digital input [DIGITAL-IN 1/2] Video / Audio input [INPUT-3/4/5] F-type connector, 75Ω unbalanced, coaxial 1 Video / Audio HDMI 2-row 19pin connector 2 (Digital-input terminal is not compatible with picture signals of personal computer) Component Video RCA pin jack 6 [INPUT-3/4] 1125i Y : 1 V (p-p) (Sync signal: 0.35V(p-p), 3-value sync.), 75 Ω Pb/Pr : ±0.35V(p-p), 75 Ω 750p / 525p / 525i Y : 1 V (p-p), Positive (Negative sync.), 75 Ω Cb/Cr : 0.7V(p-p), 75 Ω S-Video Mini-DIN 4 pin 1 [INPUT-3] Y: 1 V (p-p), Positive (Negative sync.), 75 Ω C: 0.286V (p-p) (Burst signal), 75 Ω Video 1 V (p-p), Positive (Negative sync.), 75 Ω, RCA pin jack 3 Audio 500 mv (rms), High impedance, RCA pin jack 6 Audio output (Fix) 500 mv (rms), Low impedance, RCA pin jack 2 Digital Audio Optical Output Digital SPDIF 1 Photo Viewer / Service USB connector 1 Remote Control Unit RM-C1450 (AA/R6 / UM-3 battery 2) 1-2 (No.YA535)

3 SECTION 1 PRECAUTION 1.1 SAFETY PRECAUTIONS (1) The design of this product contains special hardware, many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should be performed by qualified personnel only. (2) Alterations of the design or circuitry of the products should not be made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom. (3) Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the parts list of Service manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the parts list in Service manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock, fire, or other hazards. (4) Don't short between the LIVE side ground and ISOLATED (NEUTRAL) side ground or EARTH side ground when repairing. Some model's power circuit is partly different in the GND. The difference of the GND is shown by the LIVE : ( ) side GND, the ISOLATED (NEUTRAL) : ( ) side GND and EARTH : ( ) side GND. Don't short between the LIVE side GND and ISOLATED (NEUTRAL) side GND or EARTH side GND and never measure the LIVE side GND and ISOLATED (NEUTRAL) side GND or EARTH side GND at the same time with a measuring apparatus (oscilloscope etc.). If above note will not be kept, a fuse or any parts will be broken. (5) When service is required, observe the original lead dress. Extra precaution should be given to assure correct lead dress in the high voltage circuit area. Where a short circuit has occurred, those components that indicate evidence of overheating should be replaced. Always use the manufacturer's replacement components. (6) Isolation Check (Safety for Electrical Shock Hazard) After re-assembling the product, always perform an isolation check on the exposed metal parts of the cabinet (antenna terminals, video/audio input and output terminals, Control knobs, metal cabinet, screw heads, earphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock. a) Dielectric Strength Test The isolation between the AC primary circuit and all metal parts exposed to the user, particularly any exposed metal part having a return path to the chassis should withstand a voltage of 3000V AC (r.m.s.) for a period of one second. (.... Withstand a voltage of 1100V AC (r.m.s.) to an appliance rated up to 120V, and 3000V AC (r.m.s.) to an appliance rated 200V or more, for a period of one second.) This method of test requires a test equipment not generally found in the service trade. b) Leakage Current Check Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Using a "Leakage Current Tester", measure the leakage current from each exposed metal part of the cabinet, particularly any exposed metal part having a return path to the chassis, to a known good earth ground (water pipe, etc.). Any leakage current must not exceed 0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.2mA AC (r.m.s.). Alternate Check Method Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Use an AC voltmeter having 1000Ω per volt or more sensitivity in the following manner. Connect a 1500Ω 10W resistor paralleled by a 0.15µF AC-type capacitor between an exposed metal part and a known good earth ground (water pipe, etc.). Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to each exposed metal part, particularly any exposed metal part having a return path to the chassis, and measure the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. Any voltage measured must not exceed 0.75V AC (r.m.s.). This corresponds to 0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.3V AC (r.m.s.). This corresponds to 0.2mA AC (r.m.s.). AC VOLTMETER (HAVING 1000 /V, OR MORE SENSITIVITY) 0.15 F AC-TYPE GOOD EARTH GROUND W PLACE THIS PROBE ON EACH EXPOSED METAL PART (No.YA535)1-3

4 POWER INPUT 3 INPUT 4 INPUT 5 AUDIO OUT S-VIDEO Y VIDEO Y VIDEO VIDEO PB PR L R PB PR L R L R L R 75 (VHF/UHF) DIGITAL AUDIO INPUT 1 INPUT 2 PHOTO VIEWER / OPTICAL OUT SERVICE 1.2 INSTALLATION HEAT DISSIPATION If the heat dissipation vent behind this unit is blocked, cooling efficiency may deteriorate and temperature inside the unit will rise. The temperature sensor that protects the unit will be activated when internal temperature exceeds the pre-determined level and power will be turned off automatically.therefore, please make sure pay attention not to block the heat dissipation vent as well as the ventilation outlet behind the unit and ensure that there is room for ventilation around it INSTALLATION REQUIREMENTS To ensure safety in an emergency such as an earthquake, and to prevent accidents, ensure that measures are taken to prevent the TV dropping or falling over. Ventilation hole It fixes in a band. TV STAND *Diagram differs from actual appearance. COMPONENT AUDIO COMPONENT AUDIO AUDIO AUDIO NOTES ON HANDLING When taking the unit out of a packing case, do not grasp the upper part of the unit. If you take the unit out while grasping the upper part, the LCD PANEL may be damaged because of a pressure. Instead of grasping the upper part, put your hands on the lower backside or sides of the unit. *Diagram differs from actual appearance INSTALLATION REQUIREMENTS Ensure that the minimal distance is maintained, as specified below, between the unit with and the surrounding walls, as well as the floor etc.install the unit on stable flooring or stands.take precautionary measures to prevent the unit from tipping in order to protect against accidents and earthquakes. 150 mm 200 mm 150 mm 200 mm 50 mm *Diagram differs from actual appearance. 1-4 (No.YA535)

5 1.3 HANDLING LCD PANEL PRECAUTIONS FOR TRANSPORTATION When transporting the unit, pressure exerted on the internal LCD panel due to improper handling (such as tossing and dropping) may cause damages even when the unit is carefully packed. To prevent accidents from occurring during transportation, pay careful attention before delivery, such as through explaining the handling instructions to transporters. Ensure that the following requirements are met during transportation, as the LCD panel of this unit is made of glass and therefore fragile: (1) USE A SPECIAL PACKING CASE FOR THE LCD PANEL When transporting the LCD panel of the unit, use a special packing case (packing materials). A special packing case is used when a LCD panel is supplied as a service spare part. (2) ATTACH PROTECTION SHEET TO THE FRONT Since the front (display part) of the panel is vulnerable, attach the protection sheet to the front of the LCD panel before transportation. Protection sheet is used when a LCD panel is supplied as a service spare part. (3) AVOID VIBRATIONS AND IMPACTS The unit may be broken if it is toppled sideways even when properly packed. Continuous vibration may shift the gap of the panel, and the unit may not be able to display images properly. Ensure that the unit is carried by at least 2 persons and pay careful attention not to exert any vibration or impact on it. (4) DO NOT PLACE EQUIPMENT HORIZONTALLY Ensure that it is placed upright and not horizontally during transportation and storage as the LCD panel is very vulnerable to lateral impacts and may break. During transportation, ensure that the unit is loaded along the traveling direction of the vehicle, and avoid stacking them on one another. For storage, ensure that they are stacked in 2 layers or less even when placed upright OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) (1) Avoid placing the unit under direct sunlight over a prolonged period of time. This may cause the optical filter to deteriorate in quality and color. (2) Clean the filter surface by wiping it softly and lightly with a soft and lightly fuzz cloth (such as outing flannel). (3) Do not use solvents such as benzene or thinner to wipe the filter surface. This may cause the filter to deteriorate in quality or the coating on the surface to come off. When cleaning the filter, usually use the neutral detergent diluted with water. When cleaning the dirty filter, use water-diluted ethanol. (4) Since the filter surface is fragile, do not scratch or hit it with hard materials. Be careful enough not to touch the front surface, especially when taking the unit out of the packing case or during transportation PRECAUTIONS FOR REPLACEMENT OF EXTERIOR PARTS Take note of the following when replacing exterior parts (REAR COVER, FRONT PANEL, etc.): (1) Do not exert pressure on the front of the LCD panel (filter surface). It may cause irregular color. (2) Pay careful attention not to scratch or stain the front of the LCD panel (filter surface) with hands. (3) When replacing exterior parts, the front (LCD panel) should be placed facing downward. Place a mat, etc. underneath to avoid causing scratches to the front (filter surface). (No.YA535)1-5

6 1.4 TUNER DIAGNOSTIC SCREEN This model has a function to check the connection status of the digital tuner. The connection status can be checked following the below procedure. (1) Receive digital broadcasting. (2) Press the [MENU] key to display the user menu. (3) Select "TUNER SETUP" from the user menu, and then press the [OK] key. (4) Select Tuner Diagnostic (Service Use Only) from "TUNER SETUP", and then press the [OK] key. (5) The below screen is displayed. Tuner Diagnostic Frequency Modulation kHz NTSC Input level 0 SR - RSE - FO - Ch# -2 Station BACK Back MENU Exit Frequency This is the in-band frequency tuned up now. If channel map is not available, this value will be set to 0 or it may become the frequency tuned up last time. Modulation This is the in-band modulation mode now. NTSC / 64QAM / 256QAM / 8VSB Input level This is the input signal power level of in-band. This value varies between 0 and 100. SR This is the Signal noise Ratio. RSE This is uncorrectable error packet count. (Read-Solomon Error Correction Processing) When this value is not 0, it may have influence on the quality of video or audio. However, note that this value does not display an exact value depending on timing. If a signal is weak, this error will be occurred, but even if a signal is too strong, it occurs. FO This is the out-of-band frequency tuned up now. This value varies between 70000kHz and kHz. If OOB is received normally, frequency will be locked to a certain value (this changes with an area or cable operators). When frequency is continuing changing, OOB is not normally received. Ch# This is the channel number now. Station This is the channel station name now. 1-6 (No.YA535)

7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 SYSTEM SETTEING Be sure to carry out the following operation at the end of the procedure. (1) Set to "0 minutes" using the [SLEEP] key. (2) While "0 minutes" is displayed, press the [VIDEO] key and [DISPLAY] key simultaneously, then enter the SERVICE MODE. (3) Press the [1] key in the SERVICE MODE SCREEN. (Fig.1) (4) Press the [2] key in the TV-MICRO SERVICE MODE screen. (Fig.2) (5) The SELF CHECK MODE screen is displayed. (Fig.3) (6) Turn off the power by pressing the [POWER] key on the remote control unit. SERVICE MODE SCREEN SERVICE MENU 1. TV-Micro Service 2. Digital Service 3. Digital Diagnostics 4. Digital Engineering Functions Fig.1 Press [1] key TV-MICRO SERVICE MODE SCREEN 2.2 FEATURES Built in ATSC (Advanced Television Systems Committee) TUNER This TV can receive both Digital broadcasting (ATSC) and Analog broadcasting. D.I.S.T. (Digital Image Scaling Technology) This system uses line interpolation to double the number of scanning lines and achieve high resolution, flicker-free picture. Color Management This function ensures dull colors are compensated to produce natural hues. Picture Management This function makes it easier to see the dark areas when a picture has many dark areas, and makes it easier to see the bright areas when a picture has many bright areas. Smart Picture This function detects the APL (Average Picture Level) and adjusts the contrast suitable for what you are watching. DIGITAL VNR This function cuts down the amount of noise in the original picture. MPEG Noise Reduction This function effects the block noise removal and mosquito NR simultaneously. Sensor Effect With Sensor Effect ON, a "leaf" icon will appear on your TV screen when Smart Sensor brightness adjustment occurs. TV-Micro Service 1. ADJUST 2. SELF CHECK 3. I2C STOP Fig.2 Press [2] key SELF CHECK MODE(TV-MICRO) SCREEN LOB 0 FAN 0 AUD 0 ANA 9 DIG Fig.3 (No.YA535)1-7

8 2.3 TECHNICAL INFORMATION LCD PANEL This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the conventional CRT (Cathode Ray Tube), as a display unit. Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals SPECIFICATIONS The following table shows the specifications of this unit. Item Specifications LT-37X688 LT-42X688 Maximum dimensions ( W H D ) 87.7 cm 51.5 cm 5.4 cm 98.3 cm 57.6 cm 5.2 cm Weight 11.0 kg 13.0 kg Effective screen size Diagonal: 94.0 cm (H: 81.9 cm V: 46.0 cm) Diagonal: cm (H: 93.0 cm V: 52.3 cm) Aspect ratio 16 : 9 Drive device / system a-si-tft active matrix system Resolution Horizontally 1920 Vertically 1080 RGB < W-XGA > dots in total Pixel pitch (pixel size) Horizontally: mm, Vertically: mm Horizontally: mm, Vertically: mm Displayed colour colours 256 colours for R G and B Brightness 500 cd/m 2 Contrast ratio 1200 : : 1 Response time 6 ms 6.5 ms View angle Horizontally: 176, Vertically: 176 Surface polarizer Anti-Glare type Low reflective coat Colour filter Vertical stripe Backlight Cold cathode fluorescent lamp 20 Power supply voltage in LCD 12 V Power supply voltage in inverter 24 V Panel interface system LVDS (Low Voltage Differential Signaling) PIXEL FAULT There are three pixel faults - bright fault, dark fault and flicker fault - that are respectively defined as follows. BRIGHT FAULT In this pixel fault, a cell that should not light originally is lighting on and off. For checking this pixel fault, input ALL BLACK SCREEN and find out the cell that is lighting on and off. DARK FAULT In this pixel fault, a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting. For checking this pixel fault, input 100% of each R/G/B color and find out the cell that is not lighting. FLICKER FAULT In the pixel fault, a cell that should light originally or not light originally is flashing on and off. For checking this pixel fault, input ALL BLACK SCREEN signal or 100% of each RGB color and find out the cell that is flashing on and off. 1-8 (No.YA535)

9 2.3.2 MAIN CPU PIN FUNCTION [IC7001 : DIGITAL PWB ASS'Y] Pin Pin name I/O Function Pin Pin name I/O Function 1 VHOLD1 I Not used: Data slice for main screen closed caption 51 NC O Not used 2 HFLT1 I/O Not used: LPF for main screen closed caption video input 52 NC O Not used 3 NC O Not used 53 NC O Not used 4 NC O Not used 54 NC O Not used 5 DIGR0 O R [0] for OSD 55 NC O Not used 6 TB1in I AC power for timer clock 56 NC O Not used 7 REMO I Remote control 57 NC O Not used 8 BYTE I Data bus width select [L = 16bit (fixed)] 58 NC O Not used 9 CNVss I CPU programming mode select [Normal = L] 59 NC O Not used 10 DIGG0 O G [0] for OSD 60 NC O Not used 11 DIGB0 O B [0] for OSD 61 NC O Not used 12 RESET I Reset for main CPU [Reset = L] 62 HSYNC I H. sync for OSD 13 Xout O System clock osillation (crystal) : 16MHz 63 NC O Not used 14 Vss - GND 64 VSYNC I V. sync for OSD 15 Xin I System clock osillation (crystal) : 16MHz 65 NC O Not used 16 VccI I 3.3V stand-by power supply 66 NC O Not used 17 OSC1 I Clock for OSD 67 NC O Not used 18 OSC2 O Not used : Clock for OSD 68 NC O Not used 19 INT1 I Not used: AV COMPULINK control 69 NC O Not used 20 INT0 I Interrupt request for sub(chassis) CPU [Request = L] 70 NC O Not used 21 OUT1 O Ys (blanking) for OSD 71 P2.1 O Not used: Clock for Inter IC (serial) bus control 22 OUT2 O YM (transparence) for OSD 72 P2.0 I/O Not used: Data for Inter IC (serial) bus control 23 NC O Not used 73 NC O Not used 24 NC O Not used 74 NC O Not used 25 NC O Not used 75 NC O Not used 26 NC O Not used 76 NC O Not used 27 CTA2/RTS2 O Not used 77 NC O Not used 28 CLK2 O Not used 78 NC O Not used 29 RxD2 I Not used: Digital tuner control 79 NC O Not used 30 TxD2 O Not used: Digital tuner control 80 P1.0 I main CPU update 31 SDA2 I/O Not used 81 P0.7 O Not used 32 DIGR1 O R [1] for OSD 82 P0.6 O Not used 33 DIGG1 O G [1] for OSD 83 CEC_INT O Not used 34 DIGB1 O B [1] for OSD 84 WAKE O Release of low power mode for sub(chassis) CPU [Release = L] 35 TxD0 I Data transmission (serial) for external programming 85 CARD_DET I Not used 36 RxD0 O Data receive (serial) for external programming 86 POWER_SW I Power switch (mechanical) detection [On = L] 37 CLK0 I Clock for external programming 87 SDA I/O Data for Inter IC (serial) bus control : memory 38 RTS0 O Busy for external programming [Operation = H] 88 SLC O Clock for Inter IC (serial) bus control : memory 39 P5.7 I Not used 89 DIGR2 O R [2] for OSD 40 P5.6 O Not used 90 DIGG2 O G [2] for OSD 41 HOLD I CPU programming mode select [Normal = H] 91 DIGB2 O B [2] for OSD 42 P5.4 O Not used 92 NC O Not used 43 P5.3 O Not used 93 KEY2 I Key scan data for side control button (MENU/CH+/CH-) KEY2 44 P5.2 O Not used 94 KEY1 I Key scan data for side control button (INPUT/VOL+/VOL-) KEY1 45 P5.1 O Not used 95 VHOLD2 I Not used: Data slice for sub screen closed caption 46 WR O CPU programming mode select [Normal = H] 96 HLF2 I/O Not used: LPF for sub screen closed caption video input 47 P4.7 O Data transmission for sub(chassis) CPU communication (serial) 97 CVIN2 I Not used: Video(Y) for sub screen closed caption 48 P4.6 I Data receive for sub(chassis) CPU communication (serial) 98 TVSETB I Test terminal [L Fixed] 49 P4.5 O Clock for sub(chassis) CPU communication (serial) 99 VCCE I 5V stand-by power supply 50 P4.4 O Not used 100 CVIN1 I Not used: Video(Y) for main screen closed caption (No.YA535)1-9

10 SECTION 3 DISASSEMBLY 3.1 CAUTION AT DISASSEMBLY Be sure to perform the SYSTEM SETTEING, at the end of the procedure. Make sure that the power cord is disconnected from the outlet. Pay special attention not to break or damage the parts. Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors. REFERENCE: When removing each board, remove the connector if necessary. The operation is easier if you write down the connection points (connector numbers) of the connector. For connection of each board, refer to the "WIRING DIAGRAM" of the Standard Circuit Diagram. 3.2 DISASSEMBLY PROCEDURE [LT-37X688/V] REMOVING THE REAR COVER (Fig.3-1) (1) Remove the 1 screw [A]. (2) Remove the CORD CLAMP. (3) Remove the 10 screws [B], the 3 screws [C], and the 7 screws [D]. (4) Remove the REAR COVER REMOVING THE SW PWB (Fig.3-1) Remove the REAR COVER. (1) Remove the 2 screws [M]. (2) Remove the SW PWB. (3) Remove the 2 screws [N]. (4) Remove the CONTROL KNOB REMOVING THE STAND ASS Y (Fig.3-1) Remove the CORD CLAMP (1) Remove the 4 screws [E]. (2) Remove the STAND ASS Y in the direction of the arrow REMOVING THE POWER PWB (Fig.3-1) Remove the REAR COVER. (1) Remove the 1 screw [F]. (2) Remove the POWER CORD HOLDER. (3) Remove the POWER CORD. (4) Remove the 10 screws [G]. (5) Remove the POWER PWB REMOVING THE ANALOG PWB (Fig.3-1) Remove the REAR COVER. (1) Remove the 6 screws [H]. (2) Remove the ANALOG PWB REMOVING THE DIGITAL PWB (Fig.3-1) Remove the REAR COVER. (1) Remove the 1 screw [J]. (2) Remove the DIGITAL BASE. (3) Remove the SHIELD COVER. (4) Remove the 5 screws [K]. (5) Remove the DIGITAL PWB. (6) Remove the 4 screws [L]. (7) Remove the SHIELD BASE. CAUTION: Make sure to perform the "SYSTEM SETTEING", when DIGITAL PWB is replaced REMOVING THE LED PWB (Fig.3-1) Remove the REAR COVER. Remove the STAND ASS Y. (1) Remove the 2 screw [P]. (2) Remove the STAND BASE COVER. (3) Remove the 2 screws [Q] and 3 screws [R]. (4) Remove the STAND BASE SUPPORT. (5) Remove the 2 hooks [a] and 1 screw [S]. (6) Remove the LED PWB REMOVING THE SPEAKER (Fig.3-1) Remove the REAR COVER. Remove the STAND ASS Y. Remove the STAND BASE COVER. Remove the STAND BASE SUPPORT. (1) Remove the 3 screws [T]. (2) Remove the SPEKAER. (3) Follow the same steps when removing the other hand SPEAKER. NOTE When the SPEAKER is decomposed, the performance cannot be kept REMOVING THE LCD PANEL UNIT (Fig.3-1) Remove the REAR COVER. Remove the STAND ASS Y. Remove the STAND BASE COVER. Remove the STAND BASE. Remove the SPEKAER. (1) Remove the 5 screws [U] and 4 screws [V]. (2) Remove the MAIN BASE. (3) Remove the 4 screws [W]. (4) Remove the SUPPORT BRACKET. (5) Remove the LCD PANEL UNIT from the FRONT PANEL (No.YA535)

11 D D D C B B B P C A E MAIN POWER PWB G H REAR COVER DIGITAL BASE J ANALOG PWB U V L CORD CLAMP SHIELD COVER DIGITAL PWB K STAND BASE COVER U V U U SHIELD BASE STAND ASS'Y POWER CORD F U POWER CORD HOLDER MAIN BASE U LCD PANEL UNIT R LED PWB R Q STAND BASE SUPPORT S W SUPPORT BRACKET FRONT PANEL T SUPPORT BRACKET T W N M CONTROL SW PWB N T a T SPEAKER CONTROL KNOB SPEAKER Fig.3-1 (No.YA535)1-11

12 3.3 DISASSEMBLY PROCEDURE [LT-42X688/C] REMOVING THE REAR COVER (Fig.3-2) (1) Remove the 1 screw [A]. (2) Remove the CORD CLAMP. (3) Remove the 12 screws [B], the 3 screws [C], and the 5 screws [D]. (4) Remove the REAR COVER REMOVING THE SW PWB (Fig.3-2) Remove the REAR COVER. (1) Remove the 2 screws [M]. (2) Remove the SW PWB. (3) Remove the 2 screws [N]. (4) Remove the CONTROL KNOB REMOVING THE STAND ASS Y (Fig.3-2) Remove the CORD CLAMP (1) Remove the 4 screws [E]. (2) Remove the STAND ASS Y in the direction of the arrow REMOVING THE POWER PWB (Fig.3-2) Remove the REAR COVER. (1) Remove the 1 screw [F]. (2) Remove the POWER CORD HOLDER. (3) Remove the POWER CORD. (4) Remove the 10 screws [G]. (5) Remove the POWER PWB REMOVING THE ANALOG PWB (Fig.3-2) Remove the REAR COVER. (1) Remove the 6 screws [H]. (2) Remove the ANALOG PWB REMOVING THE DIGITAL PWB (Fig.3-2) Remove the REAR COVER. (1) Remove the 1 screw [J]. (2) Remove the DIGITAL BASE. (3) Remove the SHIELD COVER. (4) Remove the 5 screws [K]. (5) Remove the DIGITAL PWB. (6) Remove the 4 screws [L]. (7) Remove the SHIELD BASE. CAUTION: Make sure to perform the "SYSTEM SETTEING", when DIGITAL PWB is replaced REMOVING THE LED PWB (Fig.3-2) Remove the REAR COVER. Remove the STAND ASS Y. (1) Remove the 2 screw [P]. (2) Remove the STAND BASE COVER. (3) Remove the 2 screws [Q] and 3 screws [R]. (4) Remove the STAND BASE SUPPORT. (5) Remove the 2 hooks [a]. (6) Remove the LED PWB REMOVING THE SPEAKER (Fig.3-2) Remove the REAR COVER. Remove the STAND ASS Y. Remove the STAND BASE COVER. Remove the STAND BASE SUPPORT. (1) Remove the 3 screws [S]. (2) Remove the SPEKAER. (3) Follow the same steps when removing the other hand SPEAKER. NOTE When the SPEAKER is decomposed, the performance cannot be kept REMOVING THE LCD PANEL UNIT (Fig.3-2) Remove the REAR COVER. Remove the STAND ASS Y. Remove the STAND BASE COVER. Remove the STAND BASE. Remove the SPEKAER. (1) Remove the 8 screws [T] and 4 screws [U]. (2) Remove the MAIN BASE. (3) Remove the LCD PANEL UNIT from the FRONT PANEL (No.YA535)

13 C D D B B A P H C CORD CLAMP E G POWER PWB REAR COVER ANALOG PWB J T U SHIELD COVER DIGITAL PWB K STAND BASE COVER L SHIELD BASE STAND ASS'Y U SHIELD BASE T R Q MAIN BASE POWER CORD F POWER CORD HOLDER STAND BASE SUPPORT LCD PANEL UNIT FRONT PANEL S LED PWB S a S SPEAKER N M SW PWB N S CONTROL KNOB SPEAKER Fig.3-2 (No.YA535)1-13

14 3.4 MEMORY IC REPLACEMENT This model uses the memory IC. This memory IC stores data for proper operation of the video and drive circuits. When replacing, be sure to use an IC containing this (initial value) data MEMORY IC TABLE Symbol Number of pins Mounting PWB Main content of data IC pin DIGITAL PWB Program(Video process) of IC6001(System CPU) is memorized. IC pin DIGITAL PWB Setting value of IC7001(MAIN CPU) is memorized MEMORY IC REPLACEMENT PROCEDURE 1. Power off Switch off the power and disconnect the power plug. 2. Replace the memory IC Be sure to use a memory IC written with the initial setting data. 3. Power on Connect the power cord to the wall outlet and switch on the power. 4. Receiving channel setting Refer to the OPERATING INSTRUCTIONS (USER'S GUIDE) and set the receive channels (Channels Preset) as described. 5. User settings Check the user setting items according to the "FACTORY SETTING ITEM" table. Where these do not agree, refer to the OPERATING INSTRUCTIONS (USER'S GUIDE) and set the items as described. 6. SERVICE MODE setting Verify what to set in the SERVICE MODE, and set whatever is necessary. Refer to the SERVICE ADJUSTMENT for setting. SERVICE MODE SCREEN SERVICE MENU 1. TV-Micro Service 2. Digital Service 3. Digital Diagnostics 4. Digital Engineering Functions Press [2] key Press [1] key TV-MICRO SERVICE MODE SCREEN TV-Micro Service 1. ADJUST 2. SELF CHECK 3. I2C STOP SERVICE MODE SETTING ITEMS Setting items Settings Item No. TV-Micro Service Video system setting Adjust S001 - S009 (Not used) Fixed T001 - T003 (Not used) Fixed M001 - M224 (Not used) Fixed F001 - F002 (Not used) Fixed D001 (Not used) Fixed Z001 Digital Service Audio system setting Adjust A001 - A008 Mi-com setting C001 - C040 Fixed X001 - X201 S001 - S025 DIGITAL SERVICE MODE SCREEN Digital Service 1. Adjust 2. Memory Edit 3. Xilleon Register Edit Select Channel Map 6. Clear Channel Map 7. Digital Tunig Test 1-14 (No.YA535)

15 3.4.4 SETTINGS OF FACTORY SHIPMENT BUTTON OPERATION REMOTE CONTROL DIRECT OPERATION Setting item Setting position POWER Off CHANNEL CABLE-02 VOLUME 10 INPUT TV Setting item Setting position INPUT TV CHANNEL CABLE-02 VOLUME 10 MUTING OFF DISPLAY OFF ASPECT NTSC PANORAMA HD / ATSC FULL SLEEP TIMER OFF VIDEO STATUS DYNAMIC MTS STEREO SOUND A.H.S. OFF EFFECT SMART SOUND OFF REMOTE CONTROL MENU OPERATION PICTURE ADJUST Customers can adjust the picture setting of menu screen as their own like but the picture standard value during factory shipment is as below. < NTSC MODE > Setting item STANDARD DYNAMIC THEATER GAME LT-37X668 LT-42X668 LT-37X668 LT-42X668 LT-37X668 LT-42X668 LT-37X668 LT-42X668 Tint Color Picture Bright Detail Energy Saver Mode Color Temperature LOW LOW HIGH HIGH HIGH HIGH HIGH HIGH Color Management ON ON ON ON ON ON ON ON Dynamic Gamma ON ON ON ON ON ON ON ON Digital VNR AUTO AUTO AUTO AUTO AUTO AUTO AUTO AUTO MPEG NR ON ON ON ON ON ON ON ON Natural Cinema AUTO AUTO AUTO AUTO AUTO AUTO AUTO AUTO Position Adjustment Center Center Center Center Center Center Center Center < HD MODE > Setting item STANDARD DYNAMIC THEATER GAME LT-37X668 LT-42X668 LT-37X668 LT-42X668 LT-37X668 LT-42X668 LT-37X668 LT-42X668 Tint Color Picture Bright Detail Energy Saver Mode Color Temperature LOW LOW HIGH HIGH LOW LOW HIGH HIGH Color Management ON ON ON ON ON ON ON ON Dynamic Gamma ON ON ON ON ON ON ON ON Digital VNR AUTO AUTO AUTO AUTO AUTO AUTO AUTO AUTO MPEG NR ON ON ON ON ON ON ON ON Natural Cinema Position Adjustment Center Center Center Center Center Center Center Center (No.YA535)1-15

16 INITIAL SETUP Setting item Setting position Noise Muting On Language English Front Panel Lock Off V-Chip Off Set Lock Code 0000 Closed Caption Off(CC1/T1) Auto Shut Off Off Power Indicator HIGH Optical Out PCM Quick start up Off EXTERNAL INPUT Setting item HDMI Size Video-1 Audio Video Input Label Setting position Auto Auto All blank SOUND ADJUST Setting item Setting position Bass 0 Treble 0 Balance 0 Turn On Volume Current Volume Limit 50 CLOCK / TIMERS Setting item Set Clock On / Off Timer Setting position Manual Off 1-16 (No.YA535)

17 3.5 REPLACEMENT OF CHIP COMPONENT CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it. (2) A 30w soldering iron is recommended for easily removing parts REPLACEMENT STEPS 1. How to remove Chip parts [Resistors, capacitors, etc.] (1) As shown in the figure, push the part with tweezers and alternately melt the solder at each end. 2. How to install Chip parts [Resistors, capacitors, etc.] (1) Apply solder to the pattern as indicated in the figure. (2) Grasp the chip part with tweezers and place it on the solder. Then heat and melt the solder at both ends of the chip part. (2) Shift with the tweezers and remove the chip part. [Transistors, diodes, variable resistors, etc.] (1) Apply extra solder to each lead. SOLDER SOLDER [Transistors, diodes, variable resistors, etc.] (1) Apply solder to the pattern as indicated in the figure. (2) Grasp the chip part with tweezers and place it on the solder. (3) First solder lead A as indicated in the figure. (2) As shown in the figure, push the part with tweezers and alternately melt the solder at each lead. Shift and remove the chip part. A C B (4) Then solder leads B and C. A NOTE: After removing the part, remove remaining solder from the pattern. C B (No.YA535)1-17

18 SECTION 4 ADJUSTMENT 4.1 ADJUSTMENT PREPARATION (1) This TV is adjusted by using REMOTE CONTROL UNIT. (2) The adjustment using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. (3) Make sure that connection is correctly made AC to AC power source. (4) Turn on the power of the TV and measuring instruments for warming up for at least 30 minutes before starting adjustments. (5) If the receive or input signal is not specified, use the most appropriate signal for adjustment. (6) Never touch the parts (such as variable resistors, transformers and condensers) not shown in the adjustment items of this service adjustment. 4.2 PRESET SETTING BEFORE ADJUSTMENTS Unless otherwise specified in the adjustment items, preset the following functions with the REMOTE CONTROL UNIT. Setting item Settings VIDEO STATUS STANDARD BRIGHT / CONTRAST / COLOR / TINT 00 COLOR TEMPERATURE LOW COLOR MANAGEMENT ON NATURAL CINEMA OFF TREBLE / BASS / BALANCE 0 SMART SOUND OFF MTS STEREO A.H.S. OFF ASPECT FULL 4.3 MEASURING INSTRUMENT AND FIXTURES Signal generator (Pattern generator) [NTSC] TV audio multiplex signal generator Remote control unit 4.5 SERVICE MODE BASIC OPERATION OF SERVICE MODE Operate the SERVICE MODE with the REMOTE CONTROL UNIT HOW TO ENTER THE SERVICE MODE (1) Set to "0 minutes" using the [SLEEP] key. (2) While "0 minutes" is displayed, press the [VIDEO STATUS] key and [DISPLAY] key simultaneously. (3) Enter the SERVICE MODE (Fig.4-1) SERVICE MODE SCREEN SERVICE MENU 1. TV-Micro Service 2. Digital Service 3. Digital Diagnostics 4. Digital Engineering Functions Fig HOW TO EXIT THE SERVICE MODE Press the [MENU] key to exit the SERVICE MODE HOW TO STORE OF SETTING VALUE When adjustment is completed, press the [MUTING] key to memorize the adjustment value. NOTE: If not to do it, adjustment data is not memorized to the memory IC. And if exit the adjustment mode before memorize the data, the adjustment value which you change is canceled SERVICE MODE SELECT KEY LOCATION [POWER] [V. STATUS] 4.4 ADJUSTMENT ITEMS VIDEO CIRCUIT [TV-MICRO SERVICE MODE] WHITE BALANCE (HIGHLIGHT) adjustment MTS CIRCUIT [DIGITAL SERVICE MODE] MTS INPUT LEVEL adjustment MTS SEPARATION adjustment [CH-/CH+] [MENU] [SLLEP] [NUMBER] [VOL-/VOL+] [MUTING] [BACK] [VIDEO STATUS] [DISPLAY] [BACK] 1-18 (No.YA535)

19 4.5.2 SERVICE MODE MENU FLOW CHART SERVICE MODE SCREEN SERVICE MENU 1. TV-Micro Service 2. Digital Service 3. Digital Diagnostics 4. Digital Engineering Functions DO NOT ADJUST Press [1] key Press [3] key Press [2] key TV-MICRO SERVICE MODE SCREEN DIGITAL SERVICE MODE SCREEN TV-Micro Service 1. ADJUST 2. SELF CHECK 3. I2C STOP DO NOT ADJUST Digital Service 1. Adjust 2. Memory Edit 3. Xilleon Register Edit Select Channel Map 6. Clear Channel Map 7. Digital Tunig Test DO NOT ADJUST Press [1] key Press [2] key Press [1] key ADJUST MODE(TV-MICRO) SCREEN ADJUST MODE(DIGITAL) SCREEN S001 R DRIVE 137 NTSC3 FULL STD LOW A001 IN LEVEL 7 NTSC 43Full SELF CHECK MODE SCREEN DIAGNOSTIC SCREEN LOB 0 FAN 0 AUD 0 ANA 9 DIG Diagnostic 1. I2C Bus Stop 2. Status Monitor 3. Self Check 4. Version 5. USB Device Log DO NOT ADJUST DO NOT ADJUST [Refer to SECTION 5] (No.YA535)1-19

20 4.5.3 DESCRIPTION OF STATUS DISPLAY TV-MICRO SERVICE MODE SETTING ITEM No. SETTING ITEM SETTING VALUE (DATA) S001 R DRIVE 137 NTSC3 FULL STD LOW (3) VIDEO STATUS STD : STANDARD DYN : DYNAMIC TH : THEATER GAME : GAME (4) WHITE BALANCE HIGH : HIGH LOW : LOW SIGNAL SYSTEM SCREEN SIZE VIDEO STATUS WHITE BALANCE (1) SIGNAL SYSTEM The signal displayed on the screen is displayed. NTSC3 525I 525P 1125I6 750P PCVGA PCXGA H525I H525P H750P H125I6 H125P6 D525I D525P D125I6 (2) SCREEN MODE : 525i (Composite / S-video input) : 525i (Component input) : 525p : 1125i : 750p : PC (VGA) : PC (XGA) : HDMI 525i : HDMI 525p : HDMI 750p : HDMI 1125i : HDMI 1125p : ATSC 525i : ATSC 525p : ATSC 1125i FULL : FULL 1609 : CINEMA, CINEMA ZOOM PANO : PANORAMA, HD PANORAMA REGU : REGULAR, SLIM JUST : FULL NATIVE (5) SETTING ITEM NAME Setting item name are displayed. The setting item numbers to be displayed are listed below. Setting items Settings Item No. Video system setting Adjust S001 - S009 (Not used) Fixed T001 - T003 (Not used) Fixed M001 - M224 (Not used) Fixed F001 - F002 (Not used) Fixed D001 (Not used) Fixed Z001 (6) SETTING ITEM NO. Setting item numbers are displayed. For the setting item names to be displayed, refer to "Initial setting value of adjustment mode". (7) SETTING VALUE (DATA) The SETTING VALUE is displayed. CHANGE AND MEMORY OF SETTING VALUE SELECTION OF SETTING ITEM [CH+] / [CH-] key. Change the setting items up/ down. S T M F D Z [SLEEP TIMER] key. Switches to the next items. S001 T001 M F D001 Z001 CHANGE OF SETTING VALUE (DATA) [VOL+] / [VOL-] key. Change the setting values up/down. MEMORY OF SETTING VALUE (DATA) Changed setting value is memorized by pressing [MUTING] key (No.YA535)

21 DIGITAL SERVICE MODE 1. Adjust SETTING ITEM No. SETTING ITEM NAME SETTING VALUE (DATA) A001 IN LEVEL 7 NTSC 43Full (6) SETTING ITEM NO. Setting item numbers are displayed. The setting item numbers to be displayed are listed below. Setting items Settings Item No. Audio system setting Adjust A001 - A008 Mi-com setting C001 - C040 Fixed X001 - X201 S001 - S025 SELECTION OF SETTING ITEM [CH+] / [CH-] key. Change the setting items up/ down. SIGNAL SYSTEM SCREEN SIZE [SLEEP] key. Switch to the next items. (1) SIGNAL SYSTEM The signal displayed on the screen is displayed. NTSC3 525I 525P 1125I6 750P PCVGA PCXGA H525I H525P H750P H125I6 H125P6 D525I D525P D125I6 : 525i (Composite / S-video input) : 525i (Component input) : 525p : 1125i : 750p : PC (VGA) : PC (XGA) : HDMI 525i : HDMI 525p : HDMI 750p : HDMI 1125i : HDMI 1125p : ATSC 525i : ATSC 525p : ATSC 1125i (2) SCREEN SIZE State of the ASPECT is displayed. 43Full : FULL (Input signal 4 : 3) 43Pano : PANORAMA (Input signal 4 : 3) 43Cinema : CINEMA (Input signal 4 : 3) 43Regular : REGULAR (Input signal 4 : 3) 16Full : FULL (Input signal 16 : 9) 16Pano : PANORAMA ZOOM (Input signal 16 : 9) 16Cinema : CINEMA ZOOM (Input signal 16 : 9) 16Slim : SLIM (Input signal 16 : 9) (5) SETTING ITEM NAME Setting item name are displayed. For the setting item names to be displayed, refer to "INITIAL SETTING VALUE OF SERVICE MODE". (7) SETTING VALUE (DATA) The SETTING VALUE is displayed. CHANGE OF SETTING VALUE (DATA) [VOL+] / [VOL-] key. Change the setting values up/down. MEMORY OF SETTING VALUE (DATA) Changed setting value is memorized by pressing [MUTING] key. 2. Memory Edit Data in the EEPROM is edited on this screen. [Do not adjust] CAUTION: This mode is not used in the ADJUSTMENT. Press the [BACK] key to return to the SERVICE MENU SCREEN. 3. Xilleon Register Edit Setting value in the digital module is edited and confirmed on this screen. [Do not adjust] CAUTION: This mode is not used in the ADJUSTMENT. Press the [BACK] key to return to the SERVICE MENU SCREEN. 5. Select Channel Map Channel map is forcibly rewritten on this screen.[do not adjust] CAUTION: This mode is not used in the ADJUSTMENT. Press the [BACK] key to return to the SERVICE MENU SCREEN. 6. Clear Channel Map Channel map is cleared on this screen. [Do not adjust] CAUTION: This mode is not used in the ADJUSTMENT. Press the [BACK] key to return to the SERVICE MENU SCREEN. 7. Digital Tuning Test Digital channel tuning is tested on this screen. [Do not adjust] CAUTION: This mode is not used in the ADJUSTMENT. Press the [BACK] key to return to the SERVICE MENU SCREEN. (No.YA535)1-21

22 4.6 INITIAL SETTING VALUE OF SERVICE MODE Perform fine-tuning based on the "initial values" using the remote control when in the Service mode. The "initial values" serve only as an indication rough standard and therefore the values with which optimal display can be achieved may be different from the default values. Never change the values of the items( ) that are not described in ADJUSTMENT PROCEDURE or in the below table as they are fixed values TV-MICRO SERVICE MODE SETTING VALUE VIDEO SYSTEM SETTING Item No. Item Variable range Setting value S001 R DRIVE S002 G DRIVE S003 B DRIVE S004 RESERV S005 RESERV S006 RESERV S007 RESERV S008 RESERV S009 RESERV NOT USED ITEM Item No. Item Variable range Setting value T001 INPLEVEL T002 LOWSEPA T003 HIGHSEPA M001 1E FF --- M002 1E FF --- M003 1E FF --- M004 1E FF --- M005 1E FF --- M006 1E FF --- M007 1E FF --- M008 1E FF --- M009 1E FF --- M010 1E FF --- M011 1E0A 00 - FF --- M012 1E0B 00 - FF --- M013 1E0C 00 - FF --- M014 1E0D 00 - FF --- M015 1E0E 00 - FF --- M016 1E0F 00 - FF --- M017 1E FF --- M018 1E FF --- M019 1E FF --- M020 1E FF --- M021 1E FF --- M022 1E FF --- M023 1E FF --- M024 1E FF --- M025 1E FF --- Item No. Item Variable range Setting value M026 1E FF --- M027 1E1A 00 - FF --- M028 1E1B 00 - FF --- M029 1E1C 00 - FF --- M030 1E1D 00 - FF --- M031 1E1E 00 - FF --- M032 1E1F 00 - FF --- M033 1E FF --- M034 1E FF --- M035 1E FF --- M036 1E FF --- M037 1E FF --- M038 1E FF --- M039 1E FF --- M040 1E FF --- M041 1E FF --- M042 1E FF --- M043 1E2A 00 - FF --- M044 1E2B 00 - FF --- M045 1E2C 00 - FF --- M046 1E2D 00 - FF --- M047 1E2E 00 - FF --- M048 1E2F 00 - FF --- M049 1E FF --- M050 1E FF --- M051 1E FF --- M052 1E FF --- M053 1E FF --- M054 1E FF --- M055 1E FF --- M056 1E FF --- M057 1E FF --- M058 1E FF --- M059 1E3A 00 - FF --- M060 1E3B 00 - FF --- M061 1E3C 00 - FF --- M062 1E3D 00 - FF --- M063 1E3E 00 - FF --- M064 1E3F 00 - FF --- M065 1E FF (No.YA535)

23 Item No. Item Variable range Setting value M066 1E FF --- M067 1E FF --- M068 1E FF --- M069 1E FF --- M070 1E FF --- M071 1E FF --- M072 1E FF --- M073 1E FF --- M074 1E FF --- M075 1E4A 00 - FF --- M076 1E4B 00 - FF --- M077 1E4C 00 - FF --- M078 1E4D 00 - FF --- M079 1E4E 00 - FF --- M080 1E4F 00 - FF --- M081 1E FF --- M082 1E FF --- M083 1E FF --- M084 1E FF --- M085 1E FF --- M086 1E FF --- M087 1E FF --- M088 1E FF --- M089 1E FF --- M090 1E FF --- M091 1E5A 00 - FF --- M092 1E5B 00 - FF --- M093 1E5C 00 - FF --- M094 1E5D 00 - FF --- M095 1E5E 00 - FF --- M096 1E5F 00 - FF --- M097 1E FF --- M098 1E FF --- M099 1E FF --- M100 1E FF --- M101 1E FF --- M102 1E FF --- M103 1E FF --- M104 1E FF --- M105 1E FF --- M106 1E FF --- M107 1E6A 00 - FF --- M108 1E6B 00 - FF --- M109 1E6C 00 - FF --- M110 1E6D 00 - FF --- M111 1E6E 00 - FF --- Item No. Item Variable range Setting value M112 1E6F 00 - FF --- M113 1E FF --- M114 1E FF --- M115 1E FF --- M116 1E FF --- M117 1E FF --- M118 1E FF --- M119 1E FF --- M120 1E FF --- M121 1E FF --- M122 1E FF --- M123 1E7A 00 - FF --- M124 1E7B 00 - FF --- M125 1E7C 00 - FF --- M126 1E7D 00 - FF --- M127 1E7E 00 - FF --- M128 1E7F 00 - FF --- M129 1E FF --- M130 1E FF --- M131 1E FF --- M132 1E FF --- M133 1E FF --- M134 1E FF --- M135 1E FF --- M136 1E FF --- M137 1E FF --- M138 1E FF --- M139 1E8A 00 - FF --- M140 1E8B 00 - FF --- M141 1E8C 00 - FF --- M142 1E8D 00 - FF --- M143 1E8E 00 - FF --- M144 1E8F 00 - FF --- M145 1E FF --- M146 1E FF --- M147 1E FF --- M148 1E FF --- M149 1E FF --- M150 1E FF --- M151 1E FF --- M152 1E FF --- M153 1E FF --- M154 1E FF --- M155 1E9A 00 - FF --- M156 1E9B 00 - FF --- M157 1E9C 00 - FF --- (No.YA535)1-23

24 Item No. Item Variable range Setting value M158 1E9D 00 - FF --- M159 1E9E 00 - FF --- M160 1E9F 00 - FF --- M161 1EA FF --- M162 1EA FF --- M163 1EA FF --- M164 1EA FF --- M165 1EA FF --- M166 1EA FF --- M167 1EA FF --- M168 1EA FF --- M169 1EA FF --- M170 1EA FF --- M171 1EAA 00 - FF --- M172 1EAB 00 - FF --- M173 1EAC 00 - FF --- M174 1EAD 00 - FF --- M175 1EAE 00 - FF --- M176 1EAF 00 - FF --- M177 1EB FF --- M178 1EB FF --- M179 1EB FF --- M180 1EB FF --- M181 1EB FF --- M182 1EB FF --- M183 1EB FF --- M184 1EB FF --- M185 1EB FF --- M186 1EB FF --- M187 1EBA 00 - FF --- M188 1EBB 00 - FF --- M189 1EBC 00 - FF --- M190 1EBD 00 - FF --- M191 1EBE 00 - FF --- M192 1EBF 00 - FF --- M193 1EC FF --- M194 1EC FF --- M195 1EC FF --- M196 1EC FF --- M197 1EC FF --- M198 1EC FF --- M199 1EC FF --- M200 1EC FF --- M201 1EC FF --- M202 1EC FF --- M203 1ECA 00 - FF --- Item No. Item Variable range Setting value M204 1ECB 00 - FF --- M205 1ECC 00 - FF --- M206 1ECD 00 - FF --- M207 1ECE 00 - FF --- M208 1ECF 00 - FF --- M209 1ED FF --- M210 1ED FF --- M211 1ED FF --- M212 1ED FF --- M213 1ED FF --- M214 1ED FF --- M215 1ED FF --- M216 1ED FF --- M217 1ED FF --- M218 1ED FF --- M219 1EDA 00 - FF --- M220 1EDB 00 - FF --- M221 1EDC 00 - FF --- M222 1EDD 00 - FF --- M223 1EDE 00 - FF --- M224 1EDF 00 - FF --- F001 DD F002 RAM REF D001 RESERV Z001 RESERV (No.YA535)

25 4.6.2 DIGITAL SERVICE MODE SETTING VALUE Setting value Item No. Item Variable range COMPONENT RF CVS ATSC HDMI PV 480i 480p 1080i 720p A001 IN LEVEL A002 LOW SEP A003 HIGH SEP A004 DAC CNTL 1 0H - FFH FH A005 DAC CNTL 2 0H - FFH A006 DAC CNTL 3 0H - FFH 0H A007 DAC ATT L 0H - FFH FF A008 DAC ATT R 0H - FFH FF C001 PLL DIV C002 PLL DIV C003 VCORANGE C004 PUMP CRR C005 CLOCK SW C006 PHASE AD 0H - FFH AH C007 RED GAIN 0H - FFH A C008 GRN GAIN 0H - FFH A C009 BLU GAIN 0H - FFH A C010 RED OFST 0H - FFH H 40H 40H 40H C011 RED OFST 0H - FFH H 0H 0H 0H C012 GRN OFST 0H - FFH H 8H 8H 8H C013 GRN OFST 0H - FFH H 0H 0H 0H C014 BLU OFST 0H - FFH H 40H 40H 40H C015 BLU OFST 0H - FFH H 0H 0H 0H C016 SYNC SEP 0H - FFH H C017 HSYNC 0H - FFH E8H C018 HSYC DUR 0H - FFH EH 7DH D9H 99H C019 VSYNC 0H - FFH H C020 VSYC DUR 0H - FFH AH AH AH AH C021 PRECOR 0H - FFH H C022 POSTCOR 0H - FFH CH C023 COR CLMP 0H - FFH AH C024 CLMP PLS 0H - FFH H 5H 60H 60H C025 CLMP DUR 0H - FFH H 15H 15H 15H C026 CLMP OFS 0H - FFH BH C027 SOG 0H - FFH H C028 POWER 0H - FFH H C029 OUTPUT1 0H - FFH H C030 OUTPUT2 0H - FFH FH C031 SYC FIL 0H - FFH D2H 68H 41H 41H C032 OFST HLD 0H - FFH H C033 TEST REG1 0H - FFH BFH C034 TEST_REG2 0H - FFH H C035 TEST REG3 0H - FFH E8H (No.YA535)1-25