IC DESCRIPTION IC, LC876596W-5T96 Pin No. Pin Name I/O Description

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2 IC DESCRIPTION IC, LC876596W-5T96 Pin No. Pin Name I/O Description 1 CLK O Common serial clock output. 2 DATA O Common serial data output. 3 STB O Common serial strobe output. 4 CS-RHYTHM O Rhythm IC chip select output. 5 I-RDSDATA I RDS input data (Connected to ground). 6 HP-MUTE I Headphone plug-in detect input (output "L" at HOLD). 7 O-POWER O System power ON / OFF output. 8 PLL-CE O Tuner PLL IC chip enable output. 9 O-MUTE O System mute ON / OFF output. 10 CLK-SHIFT O MICON clock shift output (active low). 11 RESET - System reset. 12 VOL-JOG I Main volume rotary encoder input (AD). 13 MULTI-JOG I Dial jog rotary encoder input (AD). 14 VSS1 - Connected to ground. 15 CF 1 I Oscillator circuit input (9.43MHz). 16 CF 2 O Oscillator circuit output (9.43MHz). 17 VDD1 - Connected to power supply. 18 HOLD I Power supply voltage detect AD input. 19 KEY1 I Key input 1 (AD) (output "L" at HOLD). 20 KEY2 I Key input 2 (AD) (output "L" at HOLD). 21 KEY3 I Key input 3 (AD) (output "L" at HOLD). 22 I-SPEANNA I Spectrum analyzer IC AD input (output "L" at HOLD). 23 I-CDSW I CD mecha switches AD input (output "L" at HOLD). 24 I-DISH I CD turnable sensor input (output "L" at HOLD). 25 I-MIC I MIC input for auto vocal fader (output "L" at HOLD). 26 I-RDSCLK / I-WRQ I Turner RDS clock input (Not used) / CD sensor (output "L" at HOLD & INI). 27 I-TU-SIG / MS I Turner signal (Not used) / music sensor input (output "L" at HOLD). 28 I-TMBASE I Time base clock (8Hz) input (output "L" at HOLD). 29 I-RMC I Remote receiver data input (output "L" at HOLD). 30~42 G13~G1 O FL grid G13~G1 output. 43~45 P39~P37 O FL segment P39~P37 output. 46 VDD3 - Connected to power supply. 47 SPEANA A / P36 O Spectrum analyzer band control A / FL P36 segment output. 48 SPEANA B / P35 O Spectrum analyzer band control B / FL P35 segment output. 49 SPEANA C / P34 O Spectrum analyzer band control C / FL P34 segment output. 50 P33 O FL P33 segment output. 51 VP - Power for FL display. 52~59 P32~P25 O FL P32~P25 segment output. 60 NO AC-DEMO / P24 I/O No AC-DEMO input (Not used) / FL P24 segment output. 61 CASINO-DEMO / P23 I/O Casino DEMO input / FL P23 segment output. 62 ECO-ON / P22 I/O ECO ON (default setting) detect input / FL P22 segment output. 32

3 Pin No. Pin Name I/O Description 63 NO-RHYTHM / P21 I/O No rhythm (beat master) function rhythm input (Not used) / FL P21 segment output. 64 AC3-DPL / P20 I/O AC 3 input + DOLBY PRO LOGIC detect input (Not used) / FL P20 segment output. 65 K-CON / P19 I/O K-CON diode detect input (Not used) / FL P19 segment output. 66 RDS / P18 I/O RDS function diode detect input (Not used) / FL P18 segment output. 67 FM1 / P17 I/O OIRT diode detect input (Not used) / FL P17 segment output. 68 SW / P16 I/O SW band diode detect input (Not used) / FL P16 segment output. 69 LW / P15 I/O LW band diode detect input (Not used) / FL P15 segment output. 70 AM-10K / P14 I/O AM-10K diode detect input / FL P14 segment output. 71 AM-ST / P13 I/O AM stereo diode detect input (Not used) / FL P13 segment output. 72 VDD4 - Connected to power supply. 73 REA / P12 I/O Deck 2 side A recordable switch input / FL P12 segment output. 74 CST1 / P11 I/O Deck 1 cassette detect input / FL P11 segment output. 75 CAM1 / P10 I/O Deck 1 CAM switch input / FL P10 segment output. 76 AUTO2 / P9 I/O Deck 2 auto stop input / FL P9 segment output. 77 AUTO1 / P8 I/O Deck 1 auto stop input / FL P8 segment output. 78 CAM2 / P7 I/O Deck 2 CAM switch input / FL P7 segment output. 79 REB / P6 I/O Deck 2 side B recordable switch input / FL P6 segment output. 80 CST2 / P5 I/O Deck 2 cassette detect input / FL P5 segment output. 81~84 P4~P1 O FL P4~P1 segment output. 85 K-SCAN O Key-scan output (active low). 86 SOL1 O Deck 1 solenoid output (active low). 87 SOL2 O Deck 2 solenoid output (active low). 88 O-MOTOR O Deck motor ON/OFF output. 89 VSS2 - Connected to ground. 90 VDD2 - Connected to power supply. 91 IFC-TU I Tuner tune-if count input (active L). 92 I-STEREO I Tuner stereo detect input (active L). 93 I-SQDATA I CD SUBQ data input. 94 I-DRF I CD DRF input. 95 O-DISHREV O CD dish reverse output. 96 O-DISHFWD O CD dish forward output. 97 O-DATA (CD) O CD control data output. 98 CD-CE O CD control data latch output. 99 O-CLK (CD) O CD control clock output. 100 STB (SHIFT) O Shift register (BU2099) strobe output. 33

4 ADJUSTMENT 1 <DECK> < DECK SECTION > 1. Tape Speed Adjustment (DECK 2) Settings : Test tape : TTA 100 (3kHz) Adjustment location : SFR1 Method : Play back the test tape and adjust SFR1 so that the frequency counter reads 3000Hz ± 5Hz (FWD) and ± 45Hz (REV) with respect to forward speed. 2. Head Azimuth Adjustment (DECK 1, DECK 2) Settings : Test tape : TTA 330 (315/10kHz) Adjustment location : Head azimuth adjustment screw Method : Play back (FWD) the 10kHz signal of the test tape and adjust screw so that the output becomes maximum. Next, perform on REV PLAY mode. 3. PB Frequency Response Check (DECK 1, DECK 2) Settings : Test tape : TTA 330 (315/10kHz) Test point :TP8 (Lch), TP9 (Rch) Method : Play back the 315Hz and 10kHz signals of the test tape and check that the output ratio of the 10kHz signal with respect to that of the 315Hz signal is 0dB ± 2dB. 4. PB Sensitivity Adjustment (DECK 1, DECK 2) Settings : Test tape : TTA 200 (400Hz) Adjustment location : SFR301 (DECK 1, Lch) SFR302 (DECK 1, Rch) SFR303 (DECK 2, Lch) SFR304 (DECK 2, Rch) Method : Play back the test tape and adjust SFRs so that the output level of the test points becomes 245mV ± 10mV. 6. REC/PB Sensitivity Check (DECK 2) Settings : Test tape : TTA 615 (CrO 2 ) Input signal : 1kHz (0VU) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the TP1 becomes 180mV. Record and play back the 1kHz signal and check that the output is 0dB ± 1.5dB. 7. REC/PB Frequency Response Adjustment (DECK 2) Settings : Test tape : TTA 602 (Normal) Input signal : 1kHz / 10kHz ( 20VU) Adjustment location : SFR351 (Lch) SFR352 (Rch) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the TP1 becomes 18mV. Record and play back the 1kHz and 10kHz signals and adjust SFRs so that the output of the 10kHz signals becomes 0dB ± 0.5dB with respect to that of the 1kHz signal. 8. REC/PB Frequency Response Check (DECK 2) Settings : Test tape : TTA 615 (CrO 2 ) Input signal : 1kHz/10kHz(-20VU) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the test point becomes 18mV. Record and play back the 1kHz and 10kHz signals and check that the output is 0dB ± 2dB. 5. REC/PB Sensitivity Adjustment (DECK 2) Settings : Test tape : TTA 602 (Normal) Input signal : 1kHz (0VU) Adjustment location : SFR305 (Lch) SFR306 (Rch) Method : Apply a 1kHz signal and REC mode. Then adjust OSC attenuator so that the output level at the test points becomes 180mV. Record and play back the 1kHz and and adjust SFRs so that the output level becomes 0dB ± 0.5dB. 34

5 ADJUSTMENT 2 <TUNER / FRONT> < TUNER SECTION > 1. Clock Frequency Check Settings : Test point : TP6 (CLK) Method : Set to AM 1710kHz and check that the test point is 2160kHz ± 45Hz. 2. AM VT Check Settings : Test point : TP3 (VT) Method : Set to AM 1710kHz and check that the test point is less than 8.5V. Then set to AM 530kHz and check that the test point is more than 0.6V. 3. AM Tracking Adjustment Settings : Test point : TP6 (Lch), TP7 (Rch) Adjustment location : L951(1/3) Method : Set to AM 1000kHz and adjust L951(1/3) so that the test point becomes maximum. 4. FM VT Adjustment Settings : Test point : TP3 (VT) Adjustment location : L906 Method : Set to FM 108.0MHz and adjust L906 so that the test point becomes 7.0V ± 0.1V. Then set to FM 87.5MHz and check that the test point is more than 0.5V. 5. FM Tracking Adjustment Settings : Test point : TP6 (Lch), TP7 (Rch) Adjustment location : L903 Method : Set to FM 87.5MHz and adjust L903 so that the test point becomes maximum. 6. AM IF Adjustment Settings : Test point : TP6 (Lch), TP7 (Rch) Adjustment location : L kHz 7. DC Balance / Mono Distortion Adjustment Settings : Test point : TP4, TP5 (DC balance) TP8 (Lch), TP9 (Rch) (Mono distortion) Adjustment location : L801 Input level : 60dBµV Method : Set to FM 98.0MHz and adjust L801 so that the voltage between TP4 and TP5 becomes 0V ± 500mV with distortion less than 0.5%. 8. Output Level Check <AM> Settings : Test point : TP6 (Lch), TP7 (Rch) Input level : 74dBµV Method : Set to AM 1000kHz and check that the test point is 50mV ± 3dB. <FM> Settings : Test point : TP6 (Lch), TP7 (Rch) Input level : 60dBµV Method : Set to FM 98.0MHz and check that the test point is 150mV ± 3dB. < FRONT SECTION > 1. µ-con OSC Adjustment Settings : Test point : TP1 (K-SCAN) TP2 (GND) Adjustment location : L191 Method : Insert AC plug while pressing of "POWER" key and "TUNER" function key. Connect a frequency across TP1 and TP2. Then adjust L191 so that the frequency across the test point is 208.8Hz ± 0.2Hz. 35

6 CD TEST MODE 1. How to Activate CD Test Mode While pressing and holding the function button, insert the AC plug. When the test mode starts, the message, TEST appears on the display. 2. How to Cancel CD Test Mode Press the POWER button or remove the AC plug. * The test mode is cancelled by other function keys during play. 3. Function and Usage of CD Test Mode No Mode Button for Display Operation Contents Activation 1 Start Mode All lights are All FL are lit. FL check lit. Microcomputer check 2 Search Mode STOP button Reading Laser diode is lit during the APC circuit check mode. Laser current measurement Focus search continuous Focus-search waveform check operation. *1 Focus-error waveform check Spindle motor continuous kick. (DRF is ignored during search mode) 3 Play Mode PLAY button Normal Normal playback. All servo circuits check Focus search continues if DRF check TOC READ cannot be read. 4 Traverse PAUSE Normal Tracking Servo OFF/ON. Tracking balance check Mode button The OFF/ON operation repeats each time the PAUSE button is pressed. 5 Sled Mode FF button TEST PU moves to inner track. *2 At the same time, the lens is kicked to inner track. Sled circuit check Tracking circuit check RWD button TEST PU is moves to outer track. *2 Mechanism operation check At the same time, the lens is PU check kicked to outer track. 6 Spindle Mode REC/REC All lights are When the button is pressed, Spindle circuit check MUTE button lit. the spindle motor operates in Spindle motor check forward rotation (rough speed). Then, the button is pressed again, it operates in reverse rotation. When the button is pressed again, operation stops. *1 When focus search operates continuously more than 10 minutes, the protection circuit may start due to generation of heat in the driver IC. If this happens, turn off the power, leave the unit for a while, and then, restart. *2 Carefully monitor the gear against damage, as the sled motor rotates while the FF or RWD button is pressed even when the pickup is located at innermost or outermost. 36

7 MECHANICAL EXPLODED VIEW 1 / 1 37

8 MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI NO. DESCRIPTION 1 8B-NF PANEL,TRAY 2 8B-NF COVER, TRAY LBL,CASS-COMPT 4 82-NF PLATE,LOCK 5 86-NF SPR-C,LOCK 6 87-NF HLDR,LOCK HLDR,NC LUTCH 8 82-NF SPR-T,EJECT 1 (SIN) 9 87-NF DMPR, B-NF PANEL,COVER 11 8B-NF PANEL,UNDERCOVER 12 8B-NF CABI,FR 13 8B-NF REFLECTOR,FUNC 14 8B-NF HLDR,CHAS L B-NF HLDR,CHAS,L B-NF KNOB,RTRY JOG 17 8B-NF REFLECTOR,JOG 18 8B-NF RING,JOG H 19 8B-NF RING,VOL 20 8B-NF WINDOW,DISP 21 8B-NF PANEL,KEY-CD 22 8B-NF PANEL,CD 23 8B-NF KEY,ASSY CD 24 8B-NF GUIDE,LED CD 25 8A-NF HLDR,PWB M A FAN,DSB0812M-S MM 27 8B-NF HLDR,FAN 28 8B-NF HLDR,CHAS R B-NF HLDR,CHAS R B-NF KEY,ASSY OPE HLDR,WIRE 32 8B-NF KEY,BBE 33 8B-NF KEY,SPICE 34 8B-NF KEY,JOG 35 8B-NF KEY,ASSY FUNC REF. NO. PART NO. KANRI NO. DESCRIPTION NF HLDR,LOCK NF SPR-T,EJECT 2 (SIN) 43 8A-NF HLDR,HT-SINK L 44 8A-NF HLDR,HT-SINK R 45 8A-NF HLDR,REAR! A AC CORD ASSY,E BLK CC 47 8B-NF FAN,AD0612DS-D70GL A F-BEAD, TAITECH BUSHING, AC CORD (E) ZG CAP,OPTICAL 51 8A-NF CABI,STEEL 52 8A-NF CABI,BOTTOM 53 8B-NF BOX,CASS L 54 8B-NF WINDOW,CASS L 55 8Z-NF COVER, BOTTOM 56 8B-NF WINDOW,CASS R 57 8B-NF BOX,CASS R 58 8B-NF COVER, FAN 59 8A-MA W, W/ADH 60 8A-NHP HLDR,HL 61 8B-NF CABI,REAR LHSM A TAPPING SCREW, BVT B TAPPING SCREW, BVT C 87-NF S-SCREW,IT3B+3-8 CU D QT GLD E TAPPING SCREW, QIT+3-8 (GLD) F TAPPING SCREW, BVTT+3-8 G S-SCREW,IT+4-8 H 87-B BVT W/O SLOT I TAPPING SCREW, BVT J QT GLD K BVT W/O SLOT L BVT2+3-8 W/O SLOT BLK M UTT2+3-8(W/O SLOT)BL 36 8B-NF GUIDE,FL 37 8B-NF KEY,GEQ 38 8B-NF KEY,REC 39 8B-NF KEY,KARAOKE 40 8B-NF REFLECTOR,OPE COLOR NAME TABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color B Black C Cream D Orange G Green H Gray L Blue LT Transparent Blue N Gold P Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Metallic Orange PT Transparent Pink LA Aqua Blue GL Light Green HT Transparent Gray 38

9 39 TAPE MECHANISM EXPLODED VIEW 1 / 1 a b a b GEAR, PLAY 8 PLATE SHLD,M3 PLATE SHLD,M GEAR, PLAY PWB A C B A C B D D E 56 PWB PWB YPR7NM,PR7NM

10 TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI NO. DESCRIPTION 1 82-ZM PULLEY,COUPLER M B W-P, SLT 3 86-ZM BELT,MAIN L 4 82-ZM SPR-T,FR ZM GEAR,IDLER 6 82-ZM RING MAGNET ZM LEVER ASSY,PINCH YL 8 82-ZM SPR-T,PINCH L 9 87-A HEAD,RPH KC9142 FPC ZM BELT,SBU MOT ZM BELT,FR FLY-WHL,R ASSY ZM SLIP DISK ASSY ZM PW ZM LVR,FR M ZM GEAR,FR ZM GEAR,CAM M2(*) ZM GEAR,REW ZM GEAR,REEL ZM LVR,TRIG ZM SPR-E,TRIG ZM HLDR,IC ZM LEVER ASSY,PINCH YR ZM SPR-T,PINCH R ZM FLY-WHL,L ASSY REF. NO. PART NO. KANRI NO. DESCRIPTION ZM SH,BELT D ZM LVR,CAS ZM SPR-C,BT ZM LVR,STOP ZM LVR,REC(*) ZM LVR,EJECT R ZM SOL ASSY 27 KO ZM LVR,MC ZM HLDR,HEAD A HEAD,PH KP9142 FPC ZM PLATE,HEAD ZM GUIDE,TAPE ZM SPR-T,HEAD ZM GEAR,H T ZM SPR-T,LINK ZM SPR-T,BRG ZM SPR-E,HB ZM CHAS,HEAD ZM LVR,DIR ZM SPR-T,DIR ZM PULLEY,MOT 2M ZM CHAS ASSY,M ZM SH SLT ZM BELT,SBU R ZM SH, SLT ZM FLY-WHL,R ASSY ZM SHAFT,COUPLER N ZM SPR-E,LVR DIR ZM REEL TABLE ZM SPR-C,BT L ZM PLATE,LINK ZM LVR,PLAY(*) ZM CUSH-G,DIA MOT,SHU2L ZM SPR-T,CAS A 80-ZM B 86-ZM C 85-ZM D 82-ZM E 82-ZM V S-SCREW,AZIMUTH L S-SCREW,TG S-SCREW,SHILD PLATE S-SCREW W,MOTOR M2 40

11 GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) Type.1 Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker unit and then remove the speaker units. Type.4 TOOLS 1 Plastic head hammer 2 (() flat head screwdriver 3 Cut chisel Type.2 Remove the grill frame and four pieces of rubber caps by pulling out with a flat-bladed screwdriver. Remove the screws from hole where installed rubber caps. Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker unit and then remove the speaker units. How to Remove the PANEL, FR 1. Insert the (() flat head screwdriver tip into the gap between the PANEL, FR and the PANEL, SPKR. Tap the head of the (() flat head screwdriver with the plastic hammer head, and create the clearance as shown in Fig Insert the cut chisel in the clearance, and tap the head of the cut chisel with plastic hammer as shown in Fig-2, to remove the PANEL, FR. 3. Place the speaker horizontally. Tap head of the cut chisel with plastic hammer as shown in Fig-3, and remove the PANEL, FR completely. Type.3 Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Turn the speaker unit to counterclockwise direction while inserting a flat-bladed screwdriver into one of the hollows around speaker unit, and then remove the speaker unit. After replacing the speaker unit, install it turning to clockwise direction until "click" sound comes out. Fig-1 Fig-2 Fig-3 How to Attach the PANEL, FR Attach the PANEL, FR to the PANEL, SPKR. Tap the four corners of the PANEL, FR with the plastic hammer to fit the PANEL, FR into the PANEL, SPKR completely. 41

12 SPEAKER PARTS LIST (SX-WNT929) <YLSL> REF. NO. PART NO. KANRI NO. DESCRIPTION 1 8B-MS PANEL,FR 2 8B-MS PANEL,TW A 3 8B-MS PANEL,TW B 4 8B-MS PANEL,DUCT A 5 8B-MS PANEL,DUCT B 6 8B-MS PANEL,DUCT C 7 8B-MS PROTECTOR,SQ 8 8B-NS CORD,SPKR 9 8B-NS SPKR,W 160/ B-NS SPKR,W 140/ B-NSK SPKR,T 60 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI NO. DESCRIPTION 1 8B-NF IB,LH (ESP) M ANT,LOOP AM 3 8Z-NF RC UNIT,ZAS FEEDER-ANT,FM! 5 87-A PLUG,CONVERSION JT

13 2 11, IKENOHATA 1 CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) Printed in Singapore