JVC KD-SX780 Service Manual Download Page 56 | Manualshive

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JVC KD-SX780 Service Manual Download Page 56

KD-SX8250/KD-SX780

3-8

Item

Parts number

Parts name

Area

Electrical parts list (Main board)

Remarks

Block No. 01

A

Item

Parts number

Parts name

Area

Remarks

A

BZ871

QAN0002-001Z

BUZZER

C 1

NCB31EK-473X

C CAPACITOR

C 2

QERF1HM-105Z

E CAPACITOR

1.0MF 20% 50V

C 4

QERF1AM-227Z

E CAPACITOR

220MF 20% 10V

C 5

NCB31HK-103X

C CAPACITOR

C 6

QEKJ1CM-106Z

E CAPACITOR

10MF 20% 16V

C 7

QEKJ1CM-226Z

E CAPACITOR

22MF 20% 16V

C 8

QERF1AM-227Z

E CAPACITOR

220MF 20% 10V

C 9

NEA61AM-227X

E CAPACITOR

C 10

NEA61AM-227X

E CAPACITOR

C 11

NCS31HJ-331X

C CAPACITOR

C 12

NCB31AK-224X

C CAPACITOR

C 16

NDC31HJ-7R0X

C CAPACITOR

C 17

NCS31HJ-121X

C CAPACITOR

C 21

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

C 22

QERF0JM-476Z

E CAPACITOR

47MF 20% 6.3V

C 23

NCB31EK-473X

C CAPACITOR

C 24

NCB31EK-473X

C CAPACITOR

C 25

NCB31EK-473X

C CAPACITOR

C 26

QERF1CM-106Z

E CAPACITOR

10MF 20% 16V

C 27

NCS31HJ-100X

C CAPACITOR

C 28

NDC31HJ-7R0X

C CAPACITOR

C 29

NCS31HJ-100X

C CAPACITOR

C 30

NCS31HJ-101X

C CAPACITOR

C 31

NCB31HK-102X

C CAPACITOR

C 32

NCB31HK-103X

C CAPACITOR

C 33

NCB31HK-103X

C CAPACITOR

C 34

NCB31HK-103X

C CAPACITOR

C 35

QFV61HJ-473Z

MF CAPACITOR

.047MF 5% 50V

C 36

NCB31HK-103X

C CAPACITOR

C 37

NCB31HK-272X

C CAPACITOR

C 38

NCB31HK-102X

C CAPACITOR

C 39

NCB31HK-102X

C CAPACITOR

C 40

NDC31HJ-470X

C CAPACITOR

C 41

NCS31HJ-101X

C CAPACITOR

C 103

QERF1HM-105Z

E CAPACITOR

1.0MF 20% 50V

C 105

NCB31EK-333X

C CAPACITOR

C 203

QERF1HM-105Z

E CAPACITOR

1.0MF 20% 50V

C 205

NCB31EK-333X

C CAPACITOR

C 251

QERF1CM-106Z

E CAPACITOR

KD-SX8250

C 252

NCB31EK-473X

C CAPACITOR

KD-SX8250

C 253

NCB31HK-103X

C CAPACITOR

KD-SX8250

KD-SX8250

KD-SX8250

KD-SX8250

KD-SX8250

KD-SX8250

KD-SX8250

KD-SX8250

4.7MF 20% 25V

10MF 20% 16V

22MF 20% 6.3V

1.0MF 20% 50V

C 307

NCB31CK-104X

C CAPACITOR

C 308

NCB31CK-104X

C CAPACITOR

C 309

NCB31HK-102X

C CAPACITOR

C 310

NCB31HK-102X

C CAPACITOR

C 311

QERF1CM-106Z

E CAPACITOR

10MF 20% 16V

C 312

NCB31AK-224X

C CAPACITOR

C 313

NCB31EK-333X

C CAPACITOR

C 322

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

C 323

QERF1CM-226Z

E CAPACITOR

22MF 20% 16V

C 331

QERF1HM-225Z

E CAPACITOR

KD-SX8250

C 332

QERF1HM-225Z

E CAPACITOR

KD-SX8250

C 341

QERF1AM-107Z

E CAPACITOR

KD-SX8250

C 342

QERF1EM-475Z

E CAPACITOR

KD-SX8250

C 343

QERF1AM-107Z

E CAPACITOR

KD-SX8250

C 344

QERF1EM-475Z

E CAPACITOR

KD-SX8250

C 345

QERF1CM-476Z

E CAPACITOR

KD-SX8250

C 346

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 347

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 348

QERF1AM-107Z

E CAPACITOR

KD-SX8250

C 351

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 352

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 353

NCS31HJ-391X

C CAPACITOR

C 354

NCS31HJ-391X

C CAPACITOR

C 355

QERF1CM-107Z

E CAPACITOR

100MF 20% 16V

C 356

NCB31HK-223X

C CAPACITOR

C 357

NCB31HK-223X

C CAPACITOR

C 358

QERF1CM-476Z

E CAPACITOR

47MF 20% 16V

C 359

QERF1CM-226Z

E CAPACITOR

22MF 20% 16V

C 361

QERF1EM-475Z

E CAPACITOR

4.7MF 20% 25V

C 362

QERF1EM-475Z

E CAPACITOR

4.7MF 20% 25V

C 364

QERF1HM-475Z

E CAPACITOR

4.7MF 20% 50V

C 365

QERF1HM-475Z

E CAPACITOR

4.7MF 20% 50V

C 401

QERF1EM-475Z

E CAPACITOR

4.7MF 20% 25V

C 402

QERF1CM-106Z

E CAPACITOR

10MF 20% 16V

C 403

QERF0JM-226Z

E CAPACITOR

22MF 20% 6.3V

C 404

QERF1HM-105Z

E CAPACITOR

1.0MF 20% 50V

C 405

NCB31HK-102X

C CAPACITOR

C 406

NCB31AK-334X

C CAPACITOR

C 407

NCB31CK-104X

C CAPACITOR

C 408

NCB31CK-104X

C CAPACITOR

C 409

NCB31HK-102X

C CAPACITOR

C 410

NCB31HK-102X

C CAPACITOR

C 411

QERF1CM-106Z

E CAPACITOR

10MF 20% 16V

C 431

QERF1HM-225Z

E CAPACITOR

KD-SX8250

C 432

QERF1HM-225Z

E CAPACITOR

KD-SX8250

C 441

QERF1AM-107Z

E CAPACITOR

KD-SX8250

C 442

QERF1EM-475Z

E CAPACITOR

KD-SX8250

C 443

QERF1AM-107Z

E CAPACITOR

KD-SX8250

C 444

QERF1EM-475Z

E CAPACITOR

KD-SX8250

C 445

QERF1CM-476Z

E CAPACITOR

KD-SX8250

C 446

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 447

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 451

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 452

QERF1HM-225Z

E CAPACITOR

2.2MF 20% 50V

C 453

NCS31HJ-391X

C CAPACITOR

C 454

NCS31HJ-391X

C CAPACITOR

C 501

NCB31HK-103X

C CAPACITOR

C 502

NCB31HK-103X

C CAPACITOR

C 503

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

C 504

NCB31HK-103X

C CAPACITOR

C 505

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

C 507

NCB31HK-682X

C CAPACITOR

C 508

NCB31HK-103X

C CAPACITOR

C 509

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

C 510

NCB31CK-104X

C CAPACITOR

C 511

NCB31CK-104X

C CAPACITOR

C 512

NDC31HJ-820X

C CAPACITOR

C 513

NCB31HK-103X

C CAPACITOR

C 514

NDC31HJ-5R0X

C CAPACITOR

C 521

NCB31HK-103X

C CAPACITOR

C 522

QERF1AM-107Z

E CAPACITOR

100MF 20% 10V

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL 13942296513 QQ 376315150 892498299

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

http://www.xiaoyu163.com

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Summary of Contents for KD-SX780

Page 1: ...ricity Disassembly method Adjustment method 1 2 1 3 1 4 1 18 Flow of functional operation unit TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 19 1 21 1 21 1 22 SUBWOOFER LINE OUT 4V 2V DIMMER FINDER SILVER BLACK Difference point KD SX8250 KD SX780 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL...

Page 2: ...f this system Safety precaution CAUTION Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 3: ...fter replacement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 2 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off...

Page 4: ...front chassis toward the front 1 2 3 Removing the front chassis See Fig 2 to 4 Remove the four screws B attaching the heat sink on the left side of the body and remove the heat sink 1 Removing the heat sink See Fig 5 Joint c Heat sink Fig 2 Fig 1 Fig 3 Fig 4 Fig 5 Front panel unit Front chassis A B Front chassis Joint a Joint a Joint b Joint b B B B Joint c www xiaoyu163 com QQ376315150 9 9 2 8 9 ...

Page 5: ...k of the body 1 Removing the rear panel See Fig 7 Prior to performing the following procedure remove the front chassis the heat sink bottom cover and the rear panel Remove the two screws E attaching the main amplifier board assembly on the top cover Disconnect connector CN501 on the main amplifier board assembly from the cassette mechanism assembly 1 2 Removing the main amplifier board assembly Se...

Page 6: ...l assembly Remove the four screws G attaching the rear cover on the back of the front panel assembly Unjoint the nine joints g with the front panel and the rear cover Remove the control switch board on the back of the front panel 1 2 3 CD mechanism assembly F F Top cover Fig 9 G G G G Fig 10 Fig 12 Fig 11 LCD Key control board F Joints g Joints g Joints g Joints g Front panel Rear cover www xiaoyu...

Page 7: ...connector board See Fig 3 to 5 Before disconnecting the flexible wire from the pickup solder the short circuit point on the pickup No observance of this instruction may cause damage of the pickup CAUTION Unsolder the short circuit point after reassembling CAUTION Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 A A A B B Joints a Joints a Top cover Top cover Connector board DET switch Pickup Pickup Short circuit Joi...

Page 8: ... them with care CAUTION When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly CAUTION Fig 3 Fig 6 Fig 8 Fig 7 B Connector board DET switch DET switch Pickup Short circuit Joints b Tab c Feed sw holder Tab c Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Chassis unit Frame Frame Shaf...

Page 9: ... clamper assembly in the direction of the arrow to release the two joints d 1 2 Removing the clamper assembly See Fig 9 and 10 When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 11 CAUTION Fig 9 Fig 10 Fig 12 Fig 11 Clamper arm spring Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper assembly Joint d Joint d Chassis...

Page 10: ... the pickup unit upward with the shaft and the feed sw holder then release the joint f of the feed sw holder in the direction of the arrow The joint g of the pickup unit and the feed rack is released and the feed sw holder comes off Remove the shaft from the pickup unit Remove the screw F attaching the feed rack to the pickup unit 1 2 3 4 5 Removing the pickup unit See Fig 13 to 17 Make sure that ...

Page 11: ...he direction of the arrow to release the joint k and pull out upward 1 Removing the trigger arm See Fig 18 and 19 When reassembling insert the part l and m of the trigger arm into the part n and o at the slot of the chassis rivet assembly respectively and join the joint k at a time CAUTION Fig 18 Fig 19 Fig 20 Joint k Trigger arm Trigger arm Chassis rivet assembly Chassis rivet assembly Part n Par...

Page 12: ...direction of the arrow to release the two joints t The select lock arm spring comes off the select lock arm at the same time 1 2 3 Removing the select arm L select lock arm See Fig 21 and 22 When reattaching the select arm L check if the points w and x are correctly fitted and if each part operates properly CAUTION Reverse the above removing procedure REFERENCE Fig 21 Fig 22 Fig 23 Fig 25 Fig 24 T...

Page 13: ...ing at the same time 1 2 Removing the select arm R link plate See Fig 21 and 22 When reattaching the select arm R check if the part c is correctly fitted and if each part operates properly CAUTION Reverse the above removing procedure REFERENCE Before removing the link plate remove the select arm L REFERENCE Fig 26 Fig 21 Fig 22 Top plate Top plate Select arm L Select lock arm Select lock arm Selec...

Page 14: ...f 1 2 3 Removing the loading roller assembly See Fig 27 to 29 When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reattaching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part h of the roller guide spring L inside of the roller guide Refer to Fig 30 CAUTION Fig 27 Fig 28 1 Fig 28 2 Fig 29 Fig 30 Roller guide Rol...

Page 15: ... the loading gear 5 1 2 Removing the loading gear 5 6 and 7 See Fig 31 and 32 Fig 31 Fig 32 J J Loading gear bracket Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 6 Loading gear 5 Loading gear 7 Loading gear 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 ...

Page 16: ...ssis rivet assembly upward Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint l Pull out the loading gear 4 1 2 3 4 5 6 7 8 9 10 Removing the gears See Fig 33 to 36 Fig 33 Fig 34 Fig 36 Fig 35 Slot j Slot j Joint k Feed gear Loading plate assembly Slide plate Joint l Loading gear 4 Loading gear 2 Loading gear 2 Loading gear 4 ...

Page 17: ...he turn table on top of the body Unsolder the wire on the connector board if necessary 1 2 Removing the turn table spindle motor See Fig 37 and 38 Fig 37 Fig 38 K K Turn table Turn table Spindle motor www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu16...

Page 18: ...nsion cable for adjusting Standard volume position Balance and Bass Treble volume Indication 0 Loudness OFF FM 1 3 87 5MHz 107 9 MHz AM 530kHz 1710kHz Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working o standard ...

Page 19: ...cessor commands SEL TC94A14FA 38 LD CN501 15 No disc display When the disc correctly rotates Microprocessor commands DMO TC94A14FA 41 Spindle motor IC561 1 Tracking Servo Loop ON RF signal Rough Servo Mode v CLV Servo Mode Program Area CLV Servo Mode Lead In Area Digital 0 Flow of functional operation unit TOC read 83 82 81 0V 6V 4V 2V OFF ON 3 3V Hi Z FEO TA2157 15 2 2V 84 3 3V 0V 4V 0V 84 86 A20...

Page 20: ... pins 8 9 and 15 Check the pickup and its connections Is the disk rotated Does the RF signal appear at TP1 Is the RF waveform at TP1 distorted Proceed to the Tracking section Is 4V present at IC561 pins 6 and 7 Check the spindle motor and its wiring Check the circuits in the vicinity of IC501 19 24 or the pickup Is 4V present at IC521 pins 41 Check IC521 and IC501 Check the vicinity of IC561 When ...

Page 21: ...ed value the laser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current Is RF output 1 3 0 4Vp p YES NO O K Replace it Replacement of laser pickup Turn of the power switch and disconnect the power cord Replace the pickup with a normal one Refer to Pic...

Page 22: ... WR RD A16 A19 A8 A15 A0 A7 AD0 AD7 SCK0 SO0 SI0 ASCK2 SCK2 TxD2 SO2 RxD2 SI2 ASCK1 SCK1 TxD1 SO1 RxD1 SI1 ANO0 ANO1 AV REF1 AV SS TIMER COUNTER 16 BITS TIMER COUNTER1 8 BITS TIMER COUNTER2 8 BITS 78K IV CPU CORE ROM RAM TIMER COUNTER5 8 BITS TIMER COUNTER6 8 BITS TIMER COUNTER7 8 BITS TIMER COUNTER8 8 BITS WATCH TIMER WATCHDOG TIMER REAL TIME OUTPUT PORT D A CONVERTER A D CONVERTER CLOCK OUTPUT C...

Page 23: ... signal input 0 Key control signal input 1 Key control signal input 2 Level meter input Pul down S METER level input GND connection Non connected Non connected 5V connection J BUS data input J BUS data output J BUS clock I O J BUS data I O terminal Data output for LCD driver Clock output for LCD driver Chipenable output to LCD driver Buzzer output Non connected Non connected Non connected CD tray ...

Page 24: ...n Dimmer detection input At L dimmer ON POWER SAVE 1 ACC and syschronization POWER SAVE L At operation H POWER ON OFF switch outut At POWER ON H The CD power supply control signal output At CD H Mute output At mute ON L Non connected Non connected Non connected 5V connection Non connect Data output by which IC for electronic volume is controlled Clock output by which IC for electronic volume is co...

Page 25: ...R RGND CR CR 1 7 8 3220 14 BA3220FV X IC341 IC441 Line out amp 1 Pin layout 2 Block diagram www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 26: ...s 5V when M or H level applies to CTRL pin Output for ACC detector L ANT output OFF H ANT output ON Connected to VCC Low battery detect Output voltage is 9V when M or H level applied to CTRL pin L BIAS OFF M BIAS ON H CD ON Output voltage is 8V when H level applied to CTRL pin Adjustment pin for ILM output voltage Output voltage is 10V when M or H level applies to CTRL pin Connected to GND 1 2 3 4...

Page 27: ... X L H Y Z H L 1 2 3 4 5 6 7 14 13 12 11 10 9 8 HD74HC126FP X IC771 Buffer 1 Terminal layout 2 Block diagram 3 Pin function 1C 1A 1Y 2C 2A 2Y GND Vcc 3C 3A 3Y 4C 4A 4Y Note H High L Low X H and L Z H L X www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoy...

Page 28: ... 11 16 14 13 25 15 10 4 1 12 22 17 19 18 21 23 24 2 3 5 8 7 9 20 6 LA47503 IC351 Power amp 1 Terminal layout www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 29: ...wer GND Output for rear Lch Power input Output for front Muting control input Output for front Power GND No connection AC CONT1 GND1 OUTFR STBY OUTFR Vcc1 2 OUTRR GND2 OUTRR VREF INRR INFR SGND INFL INRL ONTIME OUTRL GND3 OUTRL Vcc3 4 OUTFL MUTE OUTFL GND4 NC AC CONT1 GND1 OUTFR STBY OUTFR Vcc1 2 OUTRR GND2 OUTRR VREF INRR INFR SGND INFL INRL ONTIME OUTRL GND3 OUTRL Vcc3 4 OUTFL MUTE OUTFL GND4 NC...

Page 30: ... all output MUTE It is ON OF as for all output Signal system GND 16 15 H ON L OFF Level sift Level sift Level sift Level sift H L VN1_SW H OP AMP_A L OP AMP_B LA6579H X IC561 CD driver 1 Terminal layout www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu...

Page 31: ...connection Signal system power supply Standard voltage impression terminal Output ON OFF terminal CH1 input OP_AMP switch terminal Signal system GND CH1 AMP_B non reversing input terminal CH1 AMP_B reversing input terminal CH1 input terminal and input OP_AMP output terminal 1 Frame FR at the center becomes system GND P GND power Please give as the lowest potential with signal system GND S GND VIN1...

Page 32: ...h when this pin goes from high to low The internal analog switches operate at this point Data transfer is enabled when this pin is high Connection to the 0 5 x VDD voltage generator circuit used as the analog signal ground To a power supply ripple countermeasure application must connect a capacitor of about 10 F between this pin and AVSS VSS Ground Volume output Input signal connections Symbol Fun...

Page 33: ...54 53 52 51 55 59 60 61 62 58 50 49 63 64 48 1 46 3 47 2 L1 L2 L3 L4 L6 R1 R2 R3 R4 R6 L5M L5P R5M R5P LSELO RSELO LCT RCT LVRIN RVRIN Single end input terminal Differential motion input terminal Input selector output terminal Then terminal for roudness CR for a high region amends is connected for LCT RCT and LVRIN RVRIN and CR for a low region amends is connected between LCT RCT and GND Volume eq...

Page 34: ... impedance The fader output terminal A rear reception desk side side can be separately narrowed respectively L R of the amount of attenuation is the same VDD 2voltage generation part Connect the capacitor of about several 10 F as a counter measure for ripple of power supply between Vref AVSS for VSS Power supply terminal System logic grand terminal Analog grand terminal External control mute termi...

Page 35: ...Synchronization clock DI Transfer data Display off control input INH L VSS Display forced off Used for applying the LCD drive 2 3 bias voltage externally Must be connected to VDD2 when a 1 2 bias drive scheme is used Used for applying the LCD drive 1 3 bias voltage externally Must be connected to VDD1 when a 1 2 bias drive scheme is used Power supply connection Provide a voltage of between 3 0 and...

Page 36: ... K 1 x0 5 x2 x0 5 x2 PIN SEL APC SW TEB TE BAL TEB TE BAL RFGC AGC Gian VCTRLPIN VCC HiZ GND 50 0 50 12dB 6dB 0dB Normal mode 0dB Normal mode 0dB CD RW mode 12dB APC ON APC ON APC OFF LDO H TA2157FN X IC501 RF amp 2 Block diagram 1 Terminal layout 24 13 1 12 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 89249829...

Page 37: ...m RF signal peak detection output pin AGC FE TE amp gain change pin Reference voltage VRO output pin VRO 1 2VCC When VCC 3 3V Focus error signal generation amp output pin Focus error signal generation amp negative phase input pin Signal amp output pin for track count Combining RFRP signal and TEO signal with TC94A14F FA configures tracking search system Signal generation amp input pin for track co...

Page 38: ...ock input Serial data output Register control pin I O ports I O ports Non connect Non connect Single power supply for REF frequency block O I I I O O I O I O Pin No Symbol I O Function 13 14 15 16 17 18 19 20 21 22 23 24 IFC VDD FMIN AMIN DGND FMCP VT AMCP VCC RF AGND XIN IF signal input Power pins for digital block FM band local signal input AM band local signal input Connect to GND for digital c...

Page 39: ...y command L R channel clock output pin L for L channel and H for R channel Output polarity can be inverted by command Audio data output pin MSB first or LSB first selectable by command Digital data output pin Outputs up to double speed playback Correction flag output pin When set to H AOUT output cannot be corrected by C2 correction processing Digital 3 3V power supply voltage pin Digital GND pin ...

Page 40: ...n RF amplitude adjustment control signal output pin Tracking balance control signal output pin APC circuit ON OFF signal output pin At laser on high impedance with UHS L H output with UHS H Analog 3 3V power supply voltage pin Feed equalizer output pin Disc equalizer output pin Digital GND pin Digital 3 3V power supply voltage pin Test input pin Normally fixed to L System clock oscillator GND pin ...

Page 41: ...NJM4565M WE IC251 Ope amp VCC 22K ROUT Comparator Limiter AMP I V Detection crimp BPF RPM7138 V4 IC602 Remote control receiver www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 42: ...NESS UNIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49690 200202 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 43: ...NE AMP POWER AMP IC351 E VOL IC301 FM AM TUNER TU1 TU L R CH L R CD L R SUB CE SUB MUTE VOL CL VOL DA SYSTEM CONTROLLER IC701 CD PICKUP UNIT MECHA SWITCH SW1 2 CD LPF IC571 CHANGER CONTROL IC771 FRONT L R REAR L R FRONT L FRONT R REAR L REAR R LCDDA LCDCLK LCDCE KEY0 2 COM1 3 CN601 CN701 CN251 SPINDLE FEED only for KD SX8250 only for KD SX8250 AUX L R E VOLUME SUB WOOFER IC251 IC252 AUX JACK J601 ...

Page 44: ... 2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 45: ...V 47 16 2 2 50 100 10 2 2 50 2 2 50 4 7 25 CRS03 10p QSW0451 001 0 0 01 330 0 01 22k 22k 150k 33k 100 10 2200 16 2 2 50 47 16 100 10 100 10 100 22k 100k 10k 100 2 2 50 10 16 UN2211 1M 2 2 50 UN2211 UN2111 1 2k 4 7k 1SS133 10k 2 2k 4 7 25 4 7 25 2 2 50 2 2 50 4 7 25 2 2k 22k 22k 150k 10 16 0 UDZS5 6B X 10k 33k 33k 0 047 UN2211 12k 10 16 1 50 0 1SS355 X 22 16 2 2k 0 1SS355 X 4 7 25 0 2 2k 2SD601A R ...

Page 46: ... 100 100 10 100 10 0 0068 0 18k 0 330k 82k 330k 82k 150 1 10W 100 10 150 4 7k 8 2k 18k 0 10p 4 7 25 15k 10p 0 4 7 25 1 5k 5 1k 1M 33k 12k 33k 33k 12k 120p 120p 0 01 2SD601A R 1 5k 1 5k 0 039 0 039 0 039 0 039 47u 4 7u 4 7u 100 10 47 6 3 100 10 22k 22k 22k 22k 0 001 20k 1 10W 0 01 56k 0 1 0 1 0 047 100 100 0 047 100 100 0 047 100 10 0 01 4 7k 4 7k 4 7k 4 7k 1 50 0 01 0 01 TA2157FN X 0 01 100 10 0 0...

Page 47: ...SPW310BS BRS 430 47k UN2211 1k 0 0 047 0 22 1SS355 X 470 0 390K 1SS355 X 1SS355 X UDZS5 1B X 0 22 0 01 220P 4 7 6 3 SML 310LT MN X 0 1SS355 X 1SS355 X UDZS5 6B X 820 2SB815 7 X NSPW310BS BRS NSPW310BS BRS 430 430 0 0 LCDCE LCDDA LCDCL KEY0 AUX L AUX R A GND ACC5V REM 10V LCDCL S22 S62 KEY1 ENC2 ENC1 10V ACC5V COM3 COM2 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 KEY...

Page 48: ...544 C545 C546 C547 C548 C549 C550 C551 C555 C561 C562 C563 C582 C585 C592 C595 C596 C597 C699 C702 C703 C708 C709 C710 C711 C714 C721 C722 C723 C724 C726 C771 C772 C871 C872 C873 C914 C951 C953 C954 C960 C961 C962 C963 C964 C965 C967 C968 C969 C971 C975 C976 C977 C981 C982 C983 C984 CN251 CN501 CN701 CN901 D1 D2 D3 D4 D251 D252 D253 D254 D255 D256 D324 D351 D561 D701 D702 D703 D704 D705 D706 D707 ...

Page 49: ...arts list Block No MB Electrical parts list Block No 01 02 Packing materials and accessories parts list Block No M3 M5 KD SX8250 KD SX780 3 2 3 5 3 8 3 14 Area suffix J Northern America www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www ...

Page 50: ...2 14 61 58 36 44 41 38 7 7 1 3 2 34 46 43 42 7 50 49 33 37 35 45 39 40 47 48 53 12 54 53 67 51 53 52 63 62 60 64 59 56 73 9 72 11 11 8 4 8 66 65 74 68 9 69 71 26 20 75 75 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 51: ...KZ4786 002 OIL DAMPER 1 25 FSKW4012 001 T SPRING 1 FOR L LEVER TOP 26 GE40144 001A T SPRING 1 FOR RELEASE LEVER 27 VKW5262 001 T SPRING 1 FOR L LEVER R 28 QYSDSF2006M SCREW 1 DAMPER L LEVER R 29 VKW5263 002 T SPRING 1 FOR L LEVER L 30 VKZ4777 001 MINI SCREW 1 LOCK LEVER O L 31 FSKW4013 002 T SPRING 1 FOR OPEN LEVER 32 GE40140 001A BLIND 1 33 GE10041 001A FRONT PANEL 1 KD SX780 GE10041 002A FRONT P...

Page 52: ...MODULE 1 LCD1 59 QNZ0449 001 RUBBER CONNE 1 60 QNZ0450 001 RUBBER CONNE 1 61 GE30375 001A LCD CASE 1 62 FSJK3028 001 LCD LENS 1 63 FSYH4061 001 LIGHTNG SHEET 1 64 FSKS3013 001 LENS CASE 1 65 GE40136 001A IC BRACKET 1 66 GE40124 001A REG BRACKET 1 67 FSKS3017 002 LED HOLDER 1 68 GE30382 003A REAR BRACKET 1 69 QYSDST2606Z SCREW 1 REAR BKT REG BKT 70 QYSDST2606Z SCREW 1 REAR BKT ANT JACK 71 QYSDST260...

Page 53: ...91 92 113 88 89 82 87 20 18 115 90 32 30 38 114 11 85 25 73 111 33 34 74 72 35 26 31 22 36 116 29 112 19 61 24 112 62 21 38 76 95 96 14 97 100 123 81 94 77 75 74 73 84 94 101 100 122 93 75 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http w...

Page 54: ...0526T SELECT L ARM SP 1 32 30320527T SUSPENSION SPG 2 33 30320529T SELECT ARM R 1 34 30320530T LINK PLATE 1 35 30320531T LINK PLATE SPG 1 36 30320523T CUSHION F 1 37 30320524T CUSHION R 2 38 30320528T SUSPENSION SPGL 2 61 69011614T PICKUP OPT 725 1 62 64180406T DET SW ESE22 1 71 303210301T CONN PWB ASS Y 1 72 30321002T MODE SW 1 73 30321003T LOAD MOTOR WIRE 1 74 30321005T MODE SW WIRE 1 75 3032100...

Page 55: ...LATE SPG 1 100 30321133T LDG ROLLER 2 101 18211223T COLLAR SCREW 1 111 9P0420031T SCREW M2X3 6 112 9P0420041T SCREW M2 X 4 2 113 9B0320041T SCREW M2 X 4 1 114 9C0117183T SCREW 2 115 9C0120203T SCREW 1 116 9C0317503T SCREW 1 121 9W0130170T PW 3 5X8X0 3 1 122 9W0513060T HL WASHER 1 123 9W0710070T L WASHER 1 124 9E0100152T E RING 1 125 9W0113020T PW 2 1X4X0 13 1 Parts list CD mechanism Block No MBMM ...

Page 56: ... 20 16V C 331 QERF1HM 225Z E CAPACITOR KD SX8250 C 332 QERF1HM 225Z E CAPACITOR KD SX8250 C 341 QERF1AM 107Z E CAPACITOR KD SX8250 C 342 QERF1EM 475Z E CAPACITOR KD SX8250 C 343 QERF1AM 107Z E CAPACITOR KD SX8250 C 344 QERF1EM 475Z E CAPACITOR KD SX8250 C 345 QERF1CM 476Z E CAPACITOR KD SX8250 C 346 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 347 QERF1HM 225Z E CAPACITOR 2 2MF 20 50V C 348 QERF1AM 107...

Page 57: ...3X C CAPACITOR C 715 NCS31HJ 101X C CAPACITOR C 721 NDC31HJ 8R0X C CAPACITOR C 722 NCS31HJ 270X C CAPACITOR C 723 NCS31HJ 270X C CAPACITOR C 724 NCS31HJ 220X C CAPACITOR C 725 NCB31EK 103X C CAPACITOR C 726 QERF0JM 476Z E CAPACITOR 47MF 20 6 3V C 771 NCB31EK 473X C CAPACITOR C 772 NCB31HK 103X C CAPACITOR C 872 QERF1HM 104Z E CAPACITOR 10MF 20 50V C 873 QERF1EM 475Z E CAPACITOR 4 7MF 20 25V C 914 ...

Page 58: ...RS T TRANSISTOR Q 871 UN2211 X TRANSISTOR Q 951 2SD601A R X TRANSISTOR Q 963 2SB709A R X TRANSISTOR Q 964 UN2211 X TRANSISTOR Q 971 UN2211 X TRANSISTOR KD SX8250 Q 976 UN2111 X TRANSISTOR Q 977 UN2111 X TRANSISTOR R 1 NRSA63J 0R0X MG RESISTOR R 2 NRSA63J 223X MG RESISTOR R 3 NRSA63J 472X MG RESISTOR R 4 NRSA63J 473X MG RESISTOR R 5 NRSA02J 332X MG RESISTOR R 6 NRS181J 6R8X MG RESISTOR R 7 NRSA63J ...

Page 59: ...G RESISTOR R 472 NRSA02J 821X MG RESISTOR R 473 NRSA63J 222X MG RESISTOR R 474 NRSA63J 222X MG RESISTOR R 475 NRSA02J 101X MG RESISTOR R 476 NRSA02J 101X MG RESISTOR R 503 NRSA63J 823X MG RESISTOR R 504 NRSA63J 823X MG RESISTOR R 505 NRSA63J 334X MG RESISTOR R 506 NRSA63J 334X MG RESISTOR R 507 NRSA02J 220X MG RESISTOR R 508 NRSA02J 220X MG RESISTOR R 509 NRSA63J 823X MG RESISTOR R 510 NRSA63J 563...

Page 60: ...TOR R 755 NRSA63J 122X MG RESISTOR R 756 NRSA63J 472X MG RESISTOR R 757 NRSA63J 102X MG RESISTOR R 758 NRSA63J 103X MG RESISTOR R 759 NRSA63J 473X MG RESISTOR R 760 NRSA63J 103X MG RESISTOR R 762 NRSA63J 103X MG RESISTOR R 763 NRSA63J 103X MG RESISTOR R 764 NRSA63J 473X MG RESISTOR R 765 NRSA63J 473X MG RESISTOR KD SX780 R 766 NRSA63J 473X MG RESISTOR KD SX8250 R 767 NRSA63J 473X MG RESISTOR R 769...

Page 61: ...STOR R 625 NRSA02J 122X MG RESISTOR R 626 NRSA02J 122X MG RESISTOR R 627 NRSA02J 561X MG RESISTOR R 628 NRSA02J 561X MG RESISTOR R 629 NRSA02J 561X MG RESISTOR R 630 NRSA02J 561X MG RESISTOR R 631 NRSA02J 122X MG RESISTOR R 632 NRSA02J 122X MG RESISTOR R 633 NRSA02J 911X MG RESISTOR R 634 NRSA02J 911X MG RESISTOR R 635 NRSA02J 182X MG RESISTOR R 636 NRSA02J 182X MG RESISTOR R 637 NRSA02J 122X MG R...

Page 62: ...M M 5 P1 P6 P7 P7 P5 A18 A19 A17 P2 A15 A14 P4 P3 A16 A1 A8 KIT A9 A13 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 63: ...D 1 KD SX8250 A 5 LVT0717 001B TROUBLE SHEET C 1 A 6 BT 52004 2 WARRANTY CARD 1 KD SX780 BT 52005 1 WARRANTY CARD 1 KD SX8250 A 7 BT 51028 1 REGISTER CARD 1 KD SX8250 BT 51020 2 REGISTER CARD 1 KD SX780 A 8 BT 20071B JVC CENTER LIST 1 A 9 VKZ4027 202 PLUG NUT 1 A 10 VKH4871 001SS MOUNT BOLT 1 A 11 VKZ4328 001 LOCK NUT 1 A 12 WNS5000Z WASHER 1 A 13 GE40130 001A HOOK 2 A 14 RM RK50 REMOCON 1 A 15 LI...

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