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Philips DVD755VR, Руководство по обслуживанию

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Spare Parts Lists

EN 26

DVD755VR

2.

IC102

9965 000 18689 LTV-817B,PHOTO 

COUPLER(LITEON)

IC103

4822 209 12767 KIA431

IC151

9965 000 19209 KIA78R08PI CU KEC 4P TO-

220IS

IC152

9965 000 19210 KIA278R33PI-CU KEC 4PIN 

TO-220

ZD101 9965 000 19243 UZ-3.3BSB 26MM TP 

PYUNG CHANG

ZD103 4822 130 82665 MTZ13A
ZD104 9965 000 19244 UZ-30BSC 26MM PYUNG 

CHANG TP D

TIMER PWB DVD755VR /xx

Various

A49

9965 000 19245 VCR PHILIPS COMBI

C601

4822 124 11947 10

µ

F 20% 16V

C602

9965 000 18600 470

µ

F SR,SV 6.3V 20% FM5 

TP 5

C603

9965 000 18674 0.022

µ

F 50V Z F TA26 S

C611

9965 000 18624 1000P 50V K B TA26

C612

9965 000 18624 1000P 50V K B TA26

L601

9965 000 19251 820

µ

H 5% 4X5 TR5

L602

9965 000 18648 100M K 2.3X3.4 L5 TP

L603

9965 000 18648 100M K 2.3X3.4 L5 TP

R601

9965 000 19230 1k 

Ω

 1/6 W 5% TA26

R602

9965 000 19230 1k 

Ω

 1/6 W 5% TA26

R603

9965 000 19230 1k 

Ω

 1/6 W 5% TA26

R604

9965 000 19252 56k 

Ω

 1/6 W 5% TA26

R605

9965 000 18652 330 

Ω

 1/6 W 5% TA26

R617

9965 000 19253 1.5k 

Ω

 1/6 W 5% TA26

R618

9965 000 19254 1.2k 

Ω

 1/6 W 5% TA26

R619

9965 000 19253 1.5k 

Ω

 1/6 W 5% TA26

R620

9965 000 19253 1.5k 

Ω

 1/6 W 5% TA26

R621

9965 000 19255 8.2k 

Ω

 1/6 W 5% TA26

R641

9965 000 19256 75 

Ω

 1/6 W 5.00% TA26

DG601 9965 000 19246 11-MT-139GK FUTABA SEG 

VFD COM

IC601

9965 000 19247 UPD16315GB-3BS NEC 44 

QFP BK F

RC601 9322 155 82667 IR RECEIVER TSOP2236
SW60
8

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
9

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW61
0

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW61
1

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

KEY ASSY PWB DVD755VR /xx

Various

A42

9965 000 19258 VCR PHILIPS COMBI

R611

4822 116 52228 680

Ω

 5% 0,5W

R612

9965 000 19259 820 

Ω

 1/6 W 5% TA26

R613

9965 000 19254 1.2k 

Ω

 1/6 W 5% TA26

R614

9965 000 19253 1.5k 

Ω

 1/6 W 5% TA26

R615

9965 000 19260 2.2k 

Ω

 1/6 W 5% TA26

R616

9965 000 19255 8.2k 

Ω

 1/6 W 5% TA26

SW60
1

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
2

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
3

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
4

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
5

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
6

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

SW60
7

9965 000 19257 THVV502GAA POSTECH 

DC 12 V 5-

VCR MECHANICAL DVD755VR /xx

Various

002

9965 000 19288 DRUM I2OAL05 SEJIN-

SANKYO ICLE

003

9965 000 19290 FPC(6CH)

004

9965 000 19291 FPC

008

9965 000 19292 P=1.25 FFC 

UL2896(0.05X0.8) 7

009

9965 000 19293 T/UP(D35)

010

9965 000 19294 CHASSIS

011

9965 000 19295 TENSION(D35)

012

9965 000 19296 P2

013

9965 000 19297 P3

014

9965 000 19298 P4

015

9965 000 19299 LID(D35)

016

9965 000 19343 A/C HEAD (TDK)

017

9965 000 19300 S

018

9965 000 19301 COIL RS D35

019

9965 000 19302 RS

020

9965 000 19303 COIL D35 (TB)

021

9965 000 19304 T

022

9965 000 19305 D35 FE ST FE HEAD

023

9965 000 19306 LOADING

024

9965 000 19307 IDLER (H)

028

9965 000 19308 T

029

9965 000 19309 DECK/MECHA PINCH

030

9965 000 19310 T/UP

031

9965 000 19314 COIL TENSION(D35)

051

9965 000 19315 CAPSTAN

052

9965 000 19316 CAPSTAN F2QVB06 

SANKYO D35 ASR

054

9965 000 19318 RACK F/L

055

9965 000 19320 DRIVE(D35)

056

9965 000 19321 CAM(D35)

058

9965 000 19322 CAPSTAN

060

9965 000 19323 F/R(D35)

061

9965 000 19324 D35 (M)

064

9965 000 19325 SECTOR(D35)

076

9965 000 19326 SPRING

077

9965 000 19327 SLIDER

078

9965 000 19328 TENSION

079

9965 000 19329 TENSION(D35)

100

9965 000 19330 TOP

102

9965 000 19333 COIL D35 (STOPPER)

109

9965 000 19334 DOOR

115

9965 000 19335 SWITCH

116

9965 000 19336 COIL D35 SWITCH

117

9965 000 19337 SPRING CST

401

9965 000 19338 D2.6 L4.5 MSWR3/FZY

402

9965 000 19339 D 2.6 L 4.0 MSWR3/FZY

405

9965 000 19340 + 1 D2.6 L5.8 SWRCH16A/

FZY TAP

406

4822 502 21655

409

9965 000 19341 + 1 D2.6 L5.0 SWRCH18A/

FZY TAP

410

9965 000 19342 D2.6 L6.8 MSWR3/FZY

A01

9965 000 19280 D35-6CH PAL (8P6C)

A04

9965 000 19281 L/D(S)

A11

9965 000 19282 P3

A12

9965 000 19283 P2

A21

9965 000 19284 CST

A22

9965 000 19285 RACK F/L

A23

9965 000 19286 F/L

A24

9965 000 19287 ASSY SWITCH

002A

9965 000 19289 ASSY D33 (TIP+2 SPRING) 

1.4,

052A

9965 000 19317 CAPSTAN(D35)

054A

9965 000 19319 COIL D35 (RACK F/L)

100A

9965 000 19331 GND

100B

9965 000 19332 TOP(D35)

MECHANICAL DVD755VR /00

Various

250

9965 000 18503 CASE

260

9965 000 18504 FRAME

285

9965 000 18506 DOOR ASSEMBLY

300

9965 000 18507 POWER CORD

330

9965 000 18486

801

9965 000 19441 INSTRUCTION ASSEMBLY

900

9965 000 18509 REMOTE CONTROLLER 

ASSEMBLY

FRONT PWB DVD755VR /00

Various

283

9965 000 18512 DOOR.CASE

284

4822 492 42785 SPRING DOOR

A43

9965 000 19443 PANEL 

ASSEMBLY,FRONT[NORM
AL PA

SUB PWB DVD755VR /00

A46A

9965 000 19444 444503D7160F30 000000 

00003000

C201

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C202

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C203

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C206

9965 000 18557 100

µ

F SRA 16V M FM5 

TP(5)

C207

4822 124 23056 47

µ

F 20% 16V

C208

4822 124 23056 47

µ

F 20% 16V

C211

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C212

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C213

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C214

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C231

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C232

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C233

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C234

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C239

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C240

3198 017 31530 0603 50V 15nF COL R

C241

4822 124 23056 47

µ

F 20% 16V

C243

4822 126 12223 560pF 50V

C244

4822 126 12223 560pF 50V

C245

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C251

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C252

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C253

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C254

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C255

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C257

9965 000 18558 1

µ

F 10V Z (F) 1508 R/TP

C258

9965 000 18558 1

µ

F 10V Z (F) 1508 R/TP

C259

9965 000 18558 1

µ

F 10V Z (F) 1508 R/TP

C260

9965 000 18558 1

µ

F 10V Z (F) 1508 R/TP

C261

9965 000 18558 1

µ

F 10V Z (F) 1508 R/TP

C262

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C263

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C264

3198 017 31530 0603 50V 15nF COL R

C265

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C266

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C267

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C268

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C269

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C270

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C271

9965 000 18559 390pF 50V J 1508 R/TP

C272

9965 000 18559 390pF 50V J 1508 R/TP

C273

9965 000 18560 0.033

µ

F 50V K (X) 1508 R/

TP

C274

9965 000 18561 470pF 50V J 1508 R/TP

C276

9965 000 13794 SMD 10pF 5% 50V 0603

C277

3198 017 31530 0603 50V 15nF COL R

C278

4822 126 11669 27pF

C279

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C280

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C281

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C282

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C283

9965 000 18556 0.1

µ

F 50V Z (F) 1508 R/TP

C291

9965 000 18557 100

µ

F SRA 16V M FM5 

TP(5)

C292

4822 124 23056 47

µ

F 20% 16V

Содержание DVD755VR

Страница 1: ...A2 CIRCUIT DIAGRAM 3 32 3 A V CIRCUIT DIAGRAM 3 34 4 HI FI CIRCUIT DIAGRAM 3 36 5 SCART JACK CIRCUIT DIAGRAM 3 38 6 SYSTEM CIRCUIT DIAGRAM 3 40 7 TIMER CIRCUIT DIAGRAM 3 42 WAVEFORM VOLTAGE SHEET 3 44 CIRCUIT VOLTAGE CHART 3 46 PRINTED CIRCUIT DIAGRAMS 3 50 1 MAIN P C BOARD 3 50 2 SMPS P C BOARD 3 52 3 KEY P C BOARD 3 52 4 TIMER P C BOARD 3 52 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE WAVEFORMS 3 ...

Страница 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MECHANISM OF VCR PART SECTION 5 MECHANISM OF DVD PART SECTION 6 REPLACEMENT PARTS LIST ...

Страница 3: ...SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 SERVICE INFORMATION FOR EEPROM IC SETTING 1 5 SPECIFICATIONS 1 6 ...

Страница 4: ...AYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Страница 5: ...ng Metal pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques sho...

Страница 6: ... using following JIG key PHILIPS MODEL FRONT FF FRONT REC KEY LG PHILIPS CODE 2 EEPROM WRITED COMPLETE SCREEN Writes data on EEPROM by using REMOCON OK If completing the option data screen with a menu key Powering Off is automatically done and the option edit screen is arranged 3 PG ADJUST 1 Payback the SP standard tape 2 Press the 1 key on the Remote controller and the PLAY key on the Front Panel...

Страница 7: ...to 35 C 95 F Operation status Horizontal OUTPUTS Video outputs 1 0V p p 75Ω negative sync RCA jack x 1 SCART TO TV S video outputs Y 1 0V p p 75Ω negative sync Mini DIN 4 pin x 1 C 0 3V p p 75Ω Component video output Y 1 0 V p p 75 Ω negative sync RCA jack x 1 Pb Pr 0 7 V p p 75 Ω Audio output digital audio 0 5V p p 75Ω RCA jack X 1 SCART TO TV Audio output optical audio Optical connector x 1 Audi...

Страница 8: ...Directions for Use ...

Страница 9: ......

Страница 10: ......

Страница 11: ......

Страница 12: ......

Страница 13: ......

Страница 14: ......

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Страница 19: ......

Страница 20: ......

Страница 21: ......

Страница 22: ......

Страница 23: ......

Страница 24: ......

Страница 25: ......

Страница 26: ...Personal Notes ...

Страница 27: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Packing Accessory Section 2 3 ...

Страница 28: ...VIEWS 1 Cabinet and Main Frame Section 467 300 A43 A42 A49 OPTIONAL PARTS 280 465 250 467 467 467 284 283 L D 6 0 1 330 276 260 A46 A46A A48 A00 A26 285 457 457 457 457 467 467 452 274 452 330 323 A 5 4 3 2 1 B C D ...

Страница 29: ... BATTERY 808 BAG 804 PACKING OPTIONAL PARTS 803 806 INSTRUCTION ASSEMBLY CABLE COAXIAL 810 CABLE ASS Y RF 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y YELLOW PLUG ASS Y RED WHITE 821 SCART CABLE 813 PLUG ASS Y BLACK ...

Страница 30: ...CTRICAL TROUBLESHOOTING GUIDE WAVEFORMS 3 54 1 SYSTEM OPERATION FLOW 3 54 2 TEST DEBUG FLOW 3 55 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 61 1 SYSTEM 27MHZ CLOCK RESET FLASH R W SIGNAL 3 61 2 SDRAM CLOCK 3 61 3 TRAY OPEN CLOSE SIGNAL 3 62 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 3 65 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION 3 65 6 LASER POWER CONTROL RELATED SIGNAL NO DIS...

Страница 31: ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 PMD02 SPM SPM FM FM LM LM SW OPEN SW CLOSE GND SW LEAD IN GND 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 P3D02 CTL CTL A E A E A REC A PB 1 2 3 4 5 6 1 2 3 4 5 6 GND FULL ERASE P3D03 1 2 1 2 S COMPO SW COAXIAL OPTICAL GND GND K RTN 1 DVD RESET DVD ENA DVD CLK DVD DATA IN DVD DATA...

Страница 32: ...he dis tance time difference which is from the selected A B Head point of the H SW JP05 JP06 signal to the starting point of the vertical synchronized signal to 6 5H 0 5H 412µs 1H 63µs PG Adjustment Method a 1 Payback the SP standard tape b 2 Press the 1 key on the Remote controller and the PLAY key on the Front Panel the same time then it goes in to Tracking initial mode c 3 Repeat the above step...

Страница 33: ...e about 2 5V at the IC103 Vref Check the Main PCB 5 3VA 5 0V Line short 1 No 5 3VA SYS Hi Fi TUNER NO 12VA Check or Replace the D110 Is the Vcc 13V supplied to terminal in D115 D117 Check or Replace the Motor Vcc Is the Vcc 12V supplied to terminal in D115 D117 NO NO Replace the D115 YES YES YES 2 No 12VA TO CAP DRUM MOTOR NO 5 0VA 5 3VA Line Check Is 5 3VA put into the Q160 Emitter Is about 5V pu...

Страница 34: ...eplace the Q162 Q160 4 No 5V TO DVD No 33V Check the Timer H Signal Is Timer H L Check or Replace Q161 R154 R155 NO YES YES 5 No 33V TUNER No REG 12V Check or Replace D110 Is 13V put into the Q156 Collector Is 13V put into the R153 Base NO Check 33V Line NO YES YES Check or Replace the Q156 ZD103 R153 C151 YES 6 No REG 12V NO 5VT Timer H Check Q706 Base H Check or Replace Q705 R719 NO YES YES 7 No...

Страница 35: ...k the Power Control NO FD Is 27VA supplied to PPM01 13 pin YES Is FD supplied YES Check ZD101 YES 10 27VA FD FD Check D108 or the trans NO NO Replace D107 or F102 NO 27V Is HSR H H YES Is 0V put into the Q154 collector YES Is 30V put into the Q155 base Check the Q155 YES YES 9 No 27V TO CAP Check the HSR H Signal from µ com NO NO Replace Q154 NO Check Q153 ZD104 ...

Страница 36: ... Refer to SMPS 5 3VA troubleshooting Check the IC501 Pins68 69 70 71 Do T UP Reel Pulses appear at the Q514 Base terminal Replace the T UP Reel Sensor RS501 Check the CST SW and the peripheral circuitry Replace the IC501 The unstable loading of a Cassette tape Does the H signal appear at the IC501 Pin30 during inserting the CST Does the L signal appear at the IC501 Pin72 during inserting the CST C...

Страница 37: ... Drum Motor 2 doesn t run Do the DFG Pulses appear at the PMC01 Pin11 Replace the Cap M Aren t the foil patterns and the Components between IC501 Pin104 and PMC01 Pin11 short Replace the IC501 Refer to 2 No 12VA of Power section Do the Drum PWM Pulses appear at the IC501 Pin107 Aren t the foil patterns and the Components between IC501 Pin107 and PMC01 Pin12 short Do the DFG Pulses appear at the IC...

Страница 38: ...108 and PMC01 Pin9 short Does the CFG signal come into the IC501 Pin9 Aren t the foil patterns and Components between IC501 Pin108 and PMC01 Pin9 short 2 SERVO CIRCUIT 3 When the Capstan Motor doesn t run NO NO NO YES YES YES When the Capstan Motor doesn t run Does 12VA appear at the PMC01 YES Replace the IC501 YES NO NO YES Refer to SMPS CAPSTAN 12Volt Trouble Shooting Aren t the foil patterns an...

Страница 39: ... KEY doesn t working KEY doesn t working Is 5V applied to the IC501 Pin36 Does LED or FLD change when a function button is pressed Refer to SMPS 5 3VA Trouble Shooting Replace the defective switches YES NO NO ...

Страница 40: ...gnal appear at the Emitter termi nal of the Q307 Q308 Check the 5 2VT 5 3VA Line Power Circuit Is I2 C BUS signal applied to the IC301 Pins68 69 Check C316 AGC Chck the path of the signal between the IC301 Pin65 and IC501 Pin17 Replace the IC301 Does the 12VT 5 4VA appear at the Emitter termi nal of the Q804 Q308 Replace the Q804 Q308 Check the 12VT 5 4VA Line Power Circuit Check the System Circui...

Страница 41: ...01 Pin105 Check the V H S W level Check R303 R304 Replace the IC301 Refer to SYSTEM I2 C BUS CHECK Trouble Shooting Is the V H S W signal applied to the IC301 Pin70 Is V H S W H about 3 4V at the IC301 Pin70 Clean the Drum Check the path of the Y Luminance RF signal Check C327 Check the path of the Y Luminance RF signal Check the C312 Does the Y Luminance RF signal appear at the IC301 Pin76 Is the...

Страница 42: ...the line of the 5 2VT 5 3VA Line Power Circuit Replace the X301 Check the Color Pass Check the Color Rotary Circuit IC501 Pin99 Check the Color Rotary level Check the R303 Does the X301 4 43MHZ oscillate Replace the IC301 Does the Color signal appear at the IC301 Pin21 Is Color Rotary H about 3 4V Replace the IC301 NO NO NO YES YES YES YES NO NO NO YES Does the Color signal appear at the IC301 Pin...

Страница 43: ...he System of REC H the IC501 Pin47 the D301 Replace the IC301 Check the line of the 5 2VT 5 3VA Line Power Circuit Check PB Mode Is the REC H signal about 4V applied to the IC301 Pin80 Check the circuit of the IC301 Pins85 86 Check REC Luminance Pass Color Pass Does PB Mdoe operate normally Does the REC RF signal appear at the IC301 Pins88 89 94 95 Check the Drum Drum Connector YES YES YES YES YES...

Страница 44: ...2 Pin4 YES Check the IIC Clock and DATA at IC801 Pins42 43 IC802 Pins32 33 YES Check the Audio of IC801 Pins16 17 YES Check the Audio of IC802 Pins22 26 YES Check the JK902 Check the IC751 Pins30 31 NO Check the DVD MODULE PMD02 Pins13 15 NO Check the Scart1 Jack SC901 Scart1 Audio in Pins2 6 NO Check the front Jack L5F1 L5F2 Check the Scart2 Jack SC901 Scart2 Audio in Pins2 6 NO Check the Power 5...

Страница 45: ...Audio Signals appear at IC801 Pin16 L CH 17 R CH YES Do Audio Signals appear at IC802 Pin10 L CH 16 R CH YES YES YES Do Audio Signals appear at IC802 Pins22 26 Do Audio Signals appear at JK902 Check Power 5 2V 12VT NO Check IC501 Pin106 A H SW NO NO Check the parts of µ COM IC501 Pins59 60 NO Check the Connection at P3D01 Pins7 9 NO Check the A IN line of IC802 C808 C809 NO Check the Vcc of IC802 ...

Страница 46: ...Audio signals appear at IC801 Pins16 17 YES Do FM Audio signals appear at IC801 Pin36 YES Check the Contact Point of Drum Connector if good then Replace the Drum YES Check Power 5V 12VT NO Check ports of µ COM IC501 pins 59 60 Check Audio input signal of IC801 Pins2 3 TU A 4 5 DVD A 6 7 AVI A 8 9 AV2 A 10 11 AV3 A NO Replace IC801 NO NO ...

Страница 47: ... Does the Video signal at the IC802 Pin30 Check the signal flow from IC802 Pin30 to SC901 Pin19 YES YES Check 33VT line NO Check 5VT line NO YES Does the Clock signal appear at TU701 Pin11 Check the lIC Clock Signal of µ COM Pin59 NO YES Does the data signal appear at TU701 Pin12 Replace Tuner Check the signal flow from TU701 Pin24 to IC301 Pin48 Check the signal from IC301 Pin65 to IC501 Pin17 Ch...

Страница 48: ...801 Pins2 3 YES Check the Audio of IC801 Pins16 17 YES Check the Audio of IC802 Pins22 26 YES Check the Signal flow from IC802 Pins22 26 SC901 Pins1 3 YES Check the Tuner SIF of TU701 Pin22 NO Replace X751 NO Check the IIC Clock and Data at IC751 Pins12 13 NO Check the signal flow from IC751 Pins30 31 to IC801 Pins2 3 NO Check the IIC Clock and Data at IC801 Pins42 43 NO Check the signal flow from...

Страница 49: ......

Страница 50: ...T BL WH F101 C111 HOT GND R101 SNUBBER BLOCK D101 R104 C105 C106 RECTIFIER SMOOTHING D110 C123 L122 C126 27VA FD FD SUPPLY BLOCK D108 D107 ZD101 C121 C130 R111 R118 R167 R168 FD 27VA FD FD FD 27VA RECTIFIER SMOOTHING D106 C117 R130 HSR SWITCHING BLOCK Q155 R131 ZD104 C156 Q153 Q154 R151 R152 R110 RECTIFIER SMOOTHING D111 C127 L123 C128 RECTIFIER SMOOTHING D118 L125 C129 C131 FEED BACK BLOCK R112 R...

Страница 51: ...NTERFACE TIMING VPS BLOCK IC7V1 SDA5650 151 5 2VA 378 VPS V out 59 CLK 60 DATA 55 DAV VSUP CVBS Iref VC01 VCS CSO SDA SCL GND PD1 EHB DA VIN T1 PD2 VC02 2 3 7 13 12 COMBI SCART VC6 s 2 Tu IF NICAM A2 BLOCK DIAGRAM From Power 159 27 731 60 59 93 94 158 143 872 159 871 151 5 4VA 5 2VT S V W MSP3417 MSP3407 ...

Страница 52: ...0dB AMP Y C MIX 65 63 61 46 43 Y Delay 79 78 REC MODE 80 REC H V H SW C ROTARY DATA CLOCK C SYNC V OUT MICOM V IN4 FRONT V IN3 DEC 79 78 76 75 70 69 68 67 65 59 58 54 52 50 V IN2 S1 V IN1 TUNER 48 46 43 33 32 31 CLK IN 29 28 4 43MHz 27 21 95 94 89 88 Killer C LPF ACC BPF Main Conv Main Conv DETAIL ENH NL EMPHA W D CLIP IC301 LA71750M UP REC SP REC To Drum To Drum W D CLIP REC FM EQ Y LPF FBC AGC S...

Страница 53: ... 7 10 11 21 22 36 35 16 A OUT L A OUT R 17 8 9 AUDIO INPUT BLOCK VIDEO INPUT BLOCK AUDIO INPUT BLOCK OSD V IN DVD R V IN DVD A IN L DVD A IN R NORMAL AUDIO OUT To AVCP NORMAL AUDIO IN From AVCP Tu A IN L Tu A IN R DVD A IN L DVD A IN R EU1 A IN L EU1 A IN R EU2 A IN L EU2 A IN R AV2 A IN L AV2 A IN R MODULATOR A OUT To Tu COMBI SCART VC6 s ...

Страница 54: ...M BLOCK DIAGRAM 2fsc R524 R514 R518 R516 R589 C577 C576 L501 Q504 LD LD L M CONTROL R525 R526 IC501 HD6432197A DVD VCR DATA IN VCR DATA OUT DVD CLK DAV OTPB LED H R C IN 2W NC CST SW A ENV CANAL DET H COMBI SCART VC6 s ...

Страница 55: ...SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC...

Страница 56: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO COMBI SCART ...

Страница 57: ...C301 Pin 84 is defective EE PB Screen doesn t appear Q305 is defective PB COLOR Signal disappear IC301 Pin70 is defective PB COLOR Signal disappear IC301 is defective D301or IC301 Pin 80 REC is defective PB and Recording is failed IC301 doesn t operate IC301 Pin 69 68 are defective Normal Audio signal is not recorded FL301 Q301 Q306 are defective No mono Audio Signal in PB MODE Q302 Q303 Q314 are ...

Страница 58: ...3 36 3 37 4 Hi Fi CIRCUIT DIAGRAM PB REC OPTIONAL PART COMBI SCART 44 Pin is defective Hi Fi Audio is not appear IC801 Pins42 43 aredefective All Audio is not appear ...

Страница 59: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM OPTIONAL PART COMBI SCART ...

Страница 60: ...efective CLOCK SETTING will not operate X502 is defective µ COM will not operate ES501 ES502 LD501 are defective Auto Rew will not working RS501 RS502 Q514 Q515 are defective Auto stop occures R575 R576 R577 R578 are defective Deck will not operate IC504 is defective Reset is defective Set dead SW is defective Key service dead RC501 is defective R C will not operate ...

Страница 61: ...3 42 3 43 7 TIMER CIRCUIT DIAGRAM ...

Страница 62: ...h f7 e h f 6KO 5 V4 0Yh f h f e h fV4 0Y IC301 Pin 20 PB mode 500mvp p he he he he Me I e g heW2 6X fW2 6X e f e W2 6Xg W2 6X he f W2 6X e W2 g H W26KV 5e g h W Xe W Xe L eJ e 7 MI4 gJ 5 0MI 1 h J L fW Xe W 5g e7 f M I I X I e g 7 H N 1e 7 H N 1e 1 e7Y e Hhe7 H W2 6X N h 7 1 f W2 6X W2 eW2 6X f7 MI 1e W Yg L 1e YW26XV S 6XV e g e e e e e e 3 h J 5e 7 I4 J 5 hJ V LfW MI4 W Me e7 I4 f Y V e Y g X I4...

Страница 63: ... V 2 6 V 2 6 V 5 V 1 5 V 1 5 V 5 V 0 003 V 1 58 V 5 1 V 0 005 V 0 005 V 0 003 V 0 051 V 0 05 V 0 003 V 0 003 V 2 77 V 1 9 V 0 003 V 5 09 V 4 08 V 0 003 V 2 76 V 0 002 V 0 003 V 0 003 V 2 75 V 2 75 V 2 59 V 2 35 V 0 003 V 0 002 V 2 55 V 2 55 V 2 55 V 2 55 V 2 56 V 2 63 V 2 53 V 2 27 V 5 12 V 1 68 V 1 7 V 2 V 0 08 V 1 29 V 1 83 V 3 V 0 004 V 0 004 V 0 003 V 5 11 V 4 8 V 4 7 V 2 59 V 2 6 V 5 V 2 06 V...

Страница 64: ...8 V 2 91 V Q501 BASE 0 69 V 0 69 V 0 69 V EMITER 0 002 V 0 003 V 0 003 V COLECTOR 0 02 V 0 012 V 0 023 V Q502 BASE 0 31 V 0 38 V 0 33 V EMITER 0 004 V 0 004 V 0 004 V COLECTOR 2 65 V 1 93 V 2 4 V Q504 BASE 0 59 V 0 51 V 0 50 V EMITER 0 03 V 0 03 V 0 03 V COLECTOR 3 78 V 3 75 V 3 71 V Q5S1 BASE 0 006 V 0 005 V 0 003 V EMITER 1 77 V 1 8 V 1 89 V COLECTOR 2 41 V 2 1 V 2 4 V Q515 BASE 4 94 V 0 5 4 3 V...

Страница 65: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...

Страница 66: ...3 52 3 53 2 SMPS P C BOARD LOCATION GUIDE 3 TIMER P C BOARD LOCATION GUIDE 4 KEY P C BOARD ...

Страница 67: ......

Страница 68: ...er Position Recieve OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8032 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC DVD PART ...

Страница 69: ...SH R Wenable signal PRD RWR 4 Check RS232 SIGNALS 5 Check FLASH Memory related circui t Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Is the DC Vol tage outputs OK 5V 3 3V 8V 12V Is 3 3V and 2 5V DC outputs normal on main PCBA Update FLASH IC5A1 successfully Replace FLASH IC5A1 A Communication between VCR DVD is normally Connect to PC RS232 Cable and update the FLASH memor...

Страница 70: ...ck the Tray control IO pins on MT1376 MT1379 Check the Tray control amplifying circuit on Motor driver IC202 Does Tray move inside when it is not at closed position Normal TROUT TRIN signals Normal TRCLOSE TROPEN signal Normal LOAD LOAD signal Check the cable connection between main PCBA and loader MECHA Check connection lines between SDRAM IC502 IC503 MT1379 and the SDRAM is damaged Check the rel...

Страница 71: ...l Lens has movements for searching Focus Proper F F outputs Check cable connect on with pick up head Proper FOSO outputs to motor driver Check FOSO connection on MT1379 and motor dirver Check the amp circuit on motor dirver C Check the cable connection with MECHA Do not put in disc and tray close Check the connection line of STBY signal Check the rel ated circuit of FMSO Check the amp circuit on m...

Страница 72: ... circuit on MT1336 RFL signal Collector voltage of power transistor is OK Q204 Q205 Check cable connection between transistor couput and pick up head Laser off Proper RFL signal on MT1336 Proper DMSO signal on MT1379 Check DMSO related circuit on MT1379 Check the spindle control amp circuit of motor driver SP SP output properly Check the cable connection between spindle and main PCBA Check the RFL...

Страница 73: ...O signal on MT1336 Proper FEO signal on MT1336 Check the related circuit on MT1336 FEO sugnal Check the related circuit on MT1336 Properly TRSO signal on MT1379 T T output properly Check the TRSO connection on MT1379 and motor dirver Check the tracking control amp circuit on motor driver Check cable connection on pick up head Check RF signal waveform Check FEO connection between MT1336 and MT1379 ...

Страница 74: ...C received correct data stream Normal Audio DAC out IC401 Check Audio filter amplify mute circuit IC402 Application circuit Check connection between MT1379 Audio DAC Check VRST ACLK ABCK ASDAT3 Check the related circuit of Audio DAC Check Audio out Pin 14 15 18 19 ...

Страница 75: ...D DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 3 8V 27MHz FIG 1 1 2 MT1379 MT1336 reset is high active PWR_CTL CN505 PIN 7 5 2VA Power Cord in M_RESET CN505 PIN 9 URST IC501 PIN 188 FIG 1 2 3 61 ...

Страница 76: ...3 62 3 RS232 waveform during procedure Downloading TXD J6 PIN3 RXD J6 PIN 2 FIG 1 3 4 Flash R W enable signal during download Downloading FRD IC5A1 PIN 28 FWR IC5A1 PIN 11 FIG 1 4 ...

Страница 77: ...T1379 main clock is at 27MHz X501 IC502 IC503 PIN 35 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform OPEN CN203 PIN 3 CLOSE CN203 PIN 2 TROPEN IC202 PIN 1 TRCLOSE IC202 PIN 2 FIG 3 1 ...

Страница 78: ...2 Tray close waveform OPEN CN203 PIN 3 CLOSE CN203 PIN 2 TROPEN IC202 PIN 1 TRCLOSE IC202 PIN 2 FIG 3 2 3 Tray open waveform OPEN CN203 PIN 3 CLOSE CN203 PIN 2 TROPEN IC202 PIN 1 TRCLOSE IC202 PIN 2 FIG 3 3 ...

Страница 79: ...V 1 4V 1 0V IC501 PIN 19 STBY 5V IC201 PIN 50 SL 4 7V 3 6V 1 9V IC202 PIN 12 SL 5 3V 3 7V 2 5V IC202 PIN 13 FIG 4 1 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION FOSO 1 5V 1 4V 1 3V IC501 PIN 12 F 4 0V 3 6V 3 2V IC202 PIN 9 F 4 0V 3 6V 3 2V IC202 PIN 8 FIG 5 1 ...

Страница 80: ...NTROL RELATED SIGNAL NO DISC CONDITION MDI1 0V 180mV IC201 PIN 124 LD01 5 0V 3 5V IC201 PIN 125 LD02 5 0V 3 6V IC201 PIN 126 FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORM F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 1 DVD ...

Страница 81: ...3 67 F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 2 DVD F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 3 CD ...

Страница 82: ...3 68 F IC202 PIN 9 FE IC201 PIN 18 RFL IC201 PIN 19 FIG 7 4 CD 8 FOCUS ON WAVEFORM FE IC201 PIN 18 FOSO IC501 PIN12 F IC202 PIN 9 F IC202 PIN 8 FIG 8 1 DVD ...

Страница 83: ... FE IC201 PIN 18 FOSO IC501 PIN12 F IC202 PIN 9 F IC202 PIN 8 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION DMSO 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC202 PIN 10 SP 3 6V 4 8V IC202 PIN 11 FIG 9 1 ...

Страница 84: ... 70 10 TRACKING CONTROL RELATED SIGNAL System checking TE IC201 PIN 21 TRSO IC501 PIN 13 T IC202 PIN 7 T IC202 PIN 6 FIG 10 1 DVD TE IC201 PIN 21 TRSO IC501 PIN 13 T IC202 PIN 7 T IC202 PIN 6 FIG 10 2 CD ...

Страница 85: ...3 71 11 RF WAVEFORM RFOP 2 3V 1 1V IC201 PIN 6 RFON 0 8V 2 0V IC201 PIN 7 FIG 11 1 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF IC501 PIN 153 FIG 12 1 ...

Страница 86: ...3 72 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS IC604 PIN 23 FIG 13 1 2 Y IC604 PIN 21 FIG 13 2 ...

Страница 87: ...3 73 3 C IC604 PIN 26 FIG 13 3 14 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R FIG 14 1 JK601 PIN 4 5 ...

Страница 88: ...3 74 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...

Страница 89: ...DING MOTOR SL SL IC202 LA6560 MOTOR DRIVER M V33 DV33 AV33 DV33 V25 VCC DV33 3V3M ACLK ABCLK ALRCK IC604 MM1623XFBE VIDEO BUFFER MIC_DETC ASPDIF COAX OPTICAL ASPECT VCC RVCC AVCC AV33 V25 LD01 LD02 IOA V2 0 VCC 8V RVCC LIMIT TROUT TRIN TROPEN TRSO FOSO DMSO FMSO SCLK SDEN SDATA PWMOUT2 AD 0 7 VCC VCR VFD_SCK VFD_TXD M_REQ POWER BOARD V1P4 MDI1 APC VFD_RXD S_REQ 5V2A P8V MUTE J6 RS232 TXD RXD SCL I...

Страница 90: ...F T T SL SL LOAD LOAD 27MHz X TAL RFOP RFON LD0 1 LDO 2 IOA MDI 1 ALPC V20 SDEN SDATA SCLK PWMOUT2 LIMIT TRIN TROUT TRCLOSE STBY V1P4 IC302 GM72V161621 1M x 16bit SDRAM IC303 GM72V161621 1M x 16bit SDRAM MA 0 10 DQM0 DQM1 WE CAS RAS CS BA0 DCLK DCKE DQ 0 15 DQ 16 31 MA 0 10 DQM0 DQM1 WE CAS RAS CS BA0 DCLK DCKE FLASH ROM PRD PWR PCE AD 0 7 A 0 19 EEP ROM SCL SDA RS232C MTK RXD TXD COMBI SCART MTK ...

Страница 91: ... BOARD IC502 SDRAM 16M RFOP RFON HTRC RFRP RFL DCLK WE CAS RAS CS DCKE MA 0 10 DQM0 DQM1 DQ 0 15 DQM2 DQM3 DQ 16 31 X501 27MHz SCL SDA Y2 Y Y3 Color Y4 Y Y5 Cb Y6 Cr ASPECT 16 9 FEO CSO TEO ADIN BDO SDATA SDEN SCLK URST FMSO DMSO V1P4 V2P8 TROPEN TRSO FOSO ACLK ALRCK ABCK MUTE VSCK VSDA ASDTA 0 3 ASTB SCL SDA ASPDIF PWR PCE PRD A 0 19 AD 0 7 VFD_SCK VFD_TXD M_REQ SCKO TXDO M REQ URST S_REQ VFD_RXD...

Страница 92: ...k Diagram IC5C1 VIDEO 6dB Amp IC401 AUDIO DAC 2CH IC402 OP Amp LPF Buffer CVBS COMPONENT R G B Y Pb Pr SUPER VIDEO Y C R G B Y Pb Pr Y C DAC RESET ACLK SCL SDA INTERFACE MPEG MPEG AUDIO R AUDIO R ADATA3 COMBI SCART MTK MODEL ...

Страница 93: ......

Страница 94: ... screen is abnormal COMBI SCART MTK 03 3 25 SR17444A No Power on Video signal not appeared Video signal Y Video signal Color Digitron all not display System not working Program download fail CIRCUIT DIAGRAMS 1 SYSTEM CIRCUIT DIAGRAM ...

Страница 95: ...3 81 3 82 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on COMBI SCART MTK 03 3 25 SR17445A ...

Страница 96: ...3 83 3 84 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A ...

Страница 97: ...3 85 3 86 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A ...

Страница 98: ...0 08 0 78 1 06 80 0 23 0 08 0 89 1 15 STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY 0 08 0 16 3 28 3 29 5 52 5 49 5 09 5 08 1 82 0 45 3 28 3 28 5 52 5 48 2 43 2 42 2 84 0 0 1 65 5 51 5 47 5 09 5 08 2 83 3 12 1 63 1 64 0 0 1 45 0 0 69 0 26 1 64 1 65 5 51 5 48 0 0 1 72 0 25 1 59 1 61 5 51 5 48 1 45 1 69 1 92 0 9 0 0 5 52 5 47 0 0 1 7 1 45 3 28 0 12 03 12 03 2 47 2 4...

Страница 99: ...63 198 0 0 199 0 0 200 0 2 15 201 0 1 44 202 0 1 44 203 0 1 43 204 0 1 43 205 0 1 42 206 0 2 1 207 0 2 07 208 0 1 41 209 0 1 52 210 0 1 43 211 0 2 81 212 0 3 28 213 0 0 12 214 0 0 12 215 1 02 1 43 216 0 1 43 STOP PLAY STOP PLAY STOP PLAY STOP PLAY IC201 MT1336E IC202 MOTOR IC501 MT1379 IC502 SDRAM IC505 EEPROM IC510 BUFFER IC5A1 FLASH IC401 CS4391 IC402 AMP IC5C1 MM1623XFBE Q201 Q202 Q203 Q204 STO...

Страница 100: ...3 91 3 92 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...

Страница 101: ......

Страница 102: ...ce 4 12 1 Mechanism Alignment Position Check 4 13 2 Preparation for Adjustment 4 14 3 Checking Torque 4 14 4 Guide Roller Height Adjustment 4 15 4 1 Preliminary Adjustment 4 15 4 2 Precise Adjustment 4 15 5 Audio Control A C Head Adjustment 4 16 5 1 Preliminary Adjustment 4 16 5 2 Confirmation of Tape Path between Pinch Roller and Take up Guide 4 17 5 3 Precise Adjustment Azimuth Adjustment 4 17 6...

Страница 103: ...ssembly P4 Chassis Embossing A 5 T 17 Opener Lid Chassis Embossing A 5 T 17 18 Arm Assembly Pinch Shaft A 5 T 17 19 Lever T Up Arm T Up 1 Hook A 5 T 17 18 20 Belt Capstan Motor Capstan 3 Screw A 6 B 21 Lever F R Locking Tab A 6 B 20 21 22 Clutch Assembly D35 Washer A 6 B 23 Brake Assembly Capstan Locking Tab A 6 B 24 Gear Drive Gear Cam Washer Hook A 7 B 25 Gear Sector 1 Hook A 7 B 20 21 23 26 Pla...

Страница 104: ...e the Drum assembly 3 Unhook H1 H2 and separate the Holder FPC and Cap FPC 1 1 Drum Motor 1 Remove two Screws S2 and disassemble the Stator of the Drum Motor 2 Remove two Screws S3 and separate the Rotor of the Drum Motor from the Drum Sub assembly NOTE When reassembling confirm A portion of the Drum Sub assembly whether the Carbon Brush is in there or not Fig A 1 Fig B 1 Holder FPC Drum FPC Cap F...

Страница 105: ...te Top Arm Assembly F L Spring Lever S W Gear Assembly Rack F L Chassis Opener Door Bracket Assembly L D Motor Holder Assembly CST B C D E H6 A B Lever Assembly S W H8 Fig A 2 Fig A 2 1 Fig A 2 2 Fig A 2 6 Fig A 2 7 Fig A 2 5 Fig A 2 3 Fig A 2 4 ...

Страница 106: ...or Figure A 2 3 1 Turn the Opener Door clockwise and remove it through the guide hole of the Chassis 5 Bracket Assembly L D Motor Fig A 2 4 1 Unplug the Connector C1 2 Unhook three Hooks H3 H4 H5 on bottom side of the Chassis lift up the Bracket Assembly L M and disassem ble the Bracket Assembly L D Motor 6 Gear Assembly Rack F L Fig A 2 5 1 Move the Gear Assembly Rack F L in direction of arrow A ...

Страница 107: ...e direction and lift it up 10 Head F E Fig A 3 2 1 Breakaway the A portion of the Head F E from the embossing of the Chassis turn it to counterclockwise direction and lift it up 11 Base Assembly A C Head Fig A 3 3 1 Remove the Screw S4 and lift the Base Assembly A C Head up A Arm Assembly Cleaner Base Assembly A C Head S4 Head F E A Chassis Fig A 3 Fig A 3 1 Fig A 3 3 Fig A 3 2 ...

Страница 108: ... Brake Assembly RS Fig A 4 2 1 Unhook the Spring RS from the Hook H10 of the Chassis 2 Lift the Brake Assembly T up 14 Arm Assembly Tension Fig A 4 3 1 Unhook the Spring Tension from the Hook H11 of the Arm Assembly Tension 2 Unhook the Hook H12 of the Base Tension and lift the Arm Assembly Tension up NOTE Difference for Springs 15 Reel S Reel T Fig A 4 4 1 Difference for Reel S Reel T Spring TB S...

Страница 109: ...ner Lid Fig A 5 2 1 Breakaway the B portion of the Opener Lid from the embossing of the Chassis 2 Turn the Opener Lid to clockwise direction and lift it up 18 Arm Assembly Pinch Fig A 5 3 1 Lift the Arm Assembly Pinch up NOTE When reassembling confirm the C portion of the Arm Assembly Pinch is inserted to the Chassis hole correctly as Fig 19 Lever T up Fig A 5 4 Arm T up Fig A 5 5 1 Unhook the Hoo...

Страница 110: ...apstan 2 Remove the three Screws S5 on bottom Chassis and lift the Motor Capstan up 21 Lever F R Fig A 6 3 1 Unlock the Locking Tab L1 as Fig A 6 3 and lift the Lever F R up 22 Clutch Assembly D35 Fig A 6 4 1 Remove the Washer W1 and lift the Clutch Assembly D35 up 23 Brake Assembly Capstan Fig A 6 5 1 Pull the Locking Tab L2 back in direction of arrow and lift it up Fig A 6 1 Fig A 6 2 Fig A 6 3 ...

Страница 111: ...and the Gear Cam Hole B in a straight line after the Gear Drive Hole C is aligned with the Chassis Hole as Fig 25 Gear Sector Fig A 7 3 1 Unhook the Hook H15 of the Base Loading on bottom Chassis and lift the Gear Sector up 26 Plate Slider Fig A 7 4 1 Just lift the Plate Slider up 27 Lever Tension Fig A 7 5 1 Unhook the A portion of the Lever Tension from the Hook H16 of the Chassis 2 Turn the Lev...

Страница 112: ... P3 up NOTE When reassembling align the two holes of the Gear Assembly P2 and P3 in a straight line after confirmation whether the Gear Sector Hole A and the Plate Slider Hole B are aligned or not as Fig 30 Base Assembly P2 Fig A 8 3 Base Assembly P3 Fig A 8 4 1 Move the Base Assembly P2 in direction of arrow A along the guide hole of the Chassis and disassemble it on bottom side 2 Move the Base A...

Страница 113: ...ion Fig A 9 2 1 Breakaway the A portion of the Base Tension from the embossing of the Chassis 2 Turn the Base Tension to counterclockwise direction and lift it up 33 Arm Assembly Idler Fig A 9 3 1 Make narrower the two parts B and C as Fig A 9 3 2 Lift the Arm assembly Idler up NOTE When disassembling be careful not to be caught the D part by the Chassis as Fig Fig A 9 1 Fig A 9 2 Fig A 9 3 ...

Страница 114: ...00 D006 4 Torque Gauge Adaptor Parts No D09 R001 5 Post Height Adjusting Driver Parts No DTL 0005 6 Type Driver ø 5 2 Alignment Tape Parts No NTSC DTN 001 PAL DTN 0002 3 Torque Gauge 3 600g Cm ATG 3 Parts No D00 D002 SRK VIDEO CASSETTE TORQUE METER VHT 303 S R K V H T S SRK V HT T 300 250 200 150 50 0 300 250 200 150 50 0 100 ...

Страница 115: ...is as below Fig C 2 4 Remove the Screw which fixes the Deck Mechanism and Main Frame and confirm if the Gear Cam is aligned with the Gear Drive as below Fig C 1 A 5 Confirm if the Mode S W on the Main P C Board is aligned as below Fig C 1 B 6 Remount the Deck Mechanism on the Main P C Board and check each operation Gear Cam Gear Drive A Mode S W B L D Motor Assembly Gear Cam Chassis Hole Gear Cam ...

Страница 116: ...the Torque Gauge affixed NOTE The torque reading to measure occurs when the tape abruptly changes direction from Fast Forward to Rewind Mode when quick braking is applied to both Reels SRK VIDEO CASSETTE TORQUE METER VHT 303 S R K V H T S SRK V HT T 300 250 200 150 50 0 300 250 200 150 50 0 100 Test Equipment Fixture Torque Gauge 600g cm ATG Torque Gauge Adaptor Cassette Torque Meter SRK VHT 303 C...

Страница 117: ...velope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Point RF Envelope Output Point Test Conditions VCR VCP State Play an Alignment Tape Adjustment Point Guide Roller Height Adjustment Screws Fig C 4 2 Fig C 4 3 P3 POST ADJUSTMENT P2 POST ADJUSTMENT Turn the Roller Guide Height Adjustment Screw slightly to flatten the waveform Tracking Control at center RF ENVELOPE OUTPUT TEST POINT OSCILLOS...

Страница 118: ...Screw Fig C 5 3 A C Head Tape Tape 0 2 0 25mm P4 5 1 Preliminary Adjustment Height and Tilt Adjustment Perform the Preliminary Adjustment when there is no Audio Output Signal with the Alignment Tape 1 Initially adjust the Base Assembly A C Head as shown Fig C 5 1 by using the Height Adjustment Screw B 2 Play a blank tape and observe if the tape passes accu rately over the A C Head without tape cur...

Страница 119: ...ernately adjust the Azimuth Adjustment Screw A and the Tilt Adjustment Screw C for maximum output of the 1KHz and 7KHz segments while maintaining the flattest envelope differential between the two frequencies Adjustment Procedure 5 3 Precise Adjustment Azimuth adjustment 6 X Value Adjustment Fig C 5 4 1KHZ Oscilloscope Alignment Tape SP only Screw Driver Type 5mm CH 1 PB RF Envelope CH 2 NTSC SW 3...

Страница 120: ...sm Condition Play the Blank Tape Play an Alignment Tape Adjustment Points Guide Roller Precise Adjustment Switching Point Tracking Preset X Value Checking Adjustment Procedure Play a blank tape and check for tape curling or creasing around the Roller Guide If there is a problem then follow the procedure 4 Guide Roller Height and 5 Audio Control A C Head Adjustment RF ENVELOPE OUTPUT TEST POINT OSC...

Страница 121: ...nch Roller NOTE If locations marked with o do not operate normally after cleaning check for wear and replace See the EXPLODED VIEWS at the end of this manual as well as the above illustrations and see the Greasing Page 4 21 22 for the sections to be lubricated and greased o o o o Dirt on Video Head Dirt on tape transport system Low volume Sound distorted Tape does not run Tape is slack o In Review...

Страница 122: ...video head First use a cleaning tape If the dirt on the head is too stubborn to remove by tape use the cleaning patch Coat the cleaning patch with Isopropyl Alcohol Touch the cleaning patch to the head tip and gently turn the head rotating cylinder right and left Do not move the cleaning patch vertically Make sure that only the buckskin on the cleaning patch comes into contact with the head Otherw...

Страница 123: ...ding Path Inside Top side 2 Base Assembly P2 P3 stopper 3 Shaft 4 L D Motor Gear Wheel Part 5 Arm Take up Rubbing Sections 6 Reel S T shaft G381 Yellow 7 Arm Assembly F L Rotating Sections Guide Rail Base Loading Gear Drive Gear Sector Gear Cam Gear Part Chassis Left Side Chassis Right Side 5 7 8 1 2 6 4 3 Slider Guide Slider Guide 1 Loading Path Inside Top side 2 Base Assembly P2 P3 stopper 3 Sha...

Страница 124: ...MAINTENANCE INSPECTION PROCEDURE 4 22 Lever F R Base Tension GEAR AY P2 P3 Lever F R Base Tension Arm Tension Guide Hole Clutch G 754 Yellow Boss Cam ...

Страница 125: ... sensor Check the syscon circuit NO YES YES YES YES NO NO 1 Deck Mechanism A NO NO NO No F R modes Is the present mode F R Mode Is the mode SW assembled correctly refer to page 4 13 Is the normal voltage supplied to the Capstan Motor Vcc1 Vcc2 Does terminal voltage Vctl of Capstan Motor supply side more than 4V Check the servo power circuits Replace the Capstan Motor Does the Capstan Motor rotate ...

Страница 126: ...page 4 13 Replace the Drum Motor Check the Servo Syscon Check the Syscon µ COM Cassette doesn t load Insert the cassette Check Lever Assembly S W Is there variation for CST IN S W Output In Tape with REC Tab L H L In Tape without REC Tab L H L H Does the CST IN S W work normally Does the Lever Assembly S W work normally Check the Syscon Circuit Check the Syscon Circuit Replace the CST IN S W YES Y...

Страница 127: ...k Check the Syscon Circuit Check the Syscon Circuit Check the Servo Syscon Does the Capstan Motor turn Is the terminal voltage vctl of the Drum Motor more than 4V Replace the Drum Motor Is the Vcc voltage of the Drum Motor normal Check the Clutch and Idler Assembly YES YES YES YES YES YES YES YES NO NO NO NO NO Is the terminal voltage vctl of Capstan Motor supplied more than 4V Replace the Capstan...

Страница 128: ... 5V YES Is there a short circuit between cassette switch and GND on main P C Board Remove the short circuit part or Replace the main P C Board NO Check the Mode switch location and syscon circuit Replace the CST IN Switch YES NO YES NO NO Replace the CST IN Switch NO NO Cassette does not eject Does the L D Motor rotate in reverse Check the L D Motor or Drive IC Replace the Lever Assembly Switch Do...

Страница 129: ...Assembly F L Check the power of L D Motor Check the Holder Assembly Cassette assembled correctly Replace the Gear Rack F L Does the Gear Assembly Rack F L work Does the Opener Door work Does the Arm Assembly F L work Does the L D Motor work Does the Holder Assembly Cassette move the Arm Assembly F L Replace the Front Loading Mechanism Assembly YES YES YES YES NO NO NO YES NO YES NO YES NO C ...

Страница 130: ...4 28 EXPLODED VIEWS 117 103 105 117 100 106 107 A21 114 113 112 110 115 A24 116 102 A23 032 A22 109 054 054A 100A 100B 1 Front Loading Mechanism Section ...

Страница 131: ...29 401 402 001 008 011 031 079 017 032 024 406 020 021 028 019 018 029 030 026 A03 A04 A01 002 002A 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 OPTIONAL PART 2 Moving Mechanism Section 1 ...

Страница 132: ...EXPLODED VIEWS 4 30 051 052 517 061 056 058 518 052A 055 060 410 070 069 076 032 077 068 064 066 065 067 A11 078 A12 OPTIONAL PART 3 Moving Mechanism Section 2 ...

Страница 133: ...MEMO ...

Страница 134: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...

Страница 135: ...6 010 018 013 014 017 015 015A 011 430 431 011A 012 004 001 002 003 A01 A26 A02 020 430 430 430 430 012 021 433 433 012 012 028 022 432 024 A03 025 030 015B 015C 435 029 031 431 431 431 024A 024A 024B 1 DECK Mechanism Exploded View ...

Страница 136: ...556 0 1µF 50V Z F 1508 R TP C420 9965 000 18557 100µF SRA 16V M FM5 TP 5 C421 9965 000 18563 3900pF 50V K Z5U E 1608 R TP C422 9965 000 18563 3900pF 50V K Z5U E 1608 R TP C423 4822 124 40804 22µF 20 63V C424 4822 124 40804 22µF 20 63V C425 9965 000 18556 0 1µF 50V Z F 1508 R TP C426 4822 124 12052 220µF 20 6 3V C502 5322 126 11583 10nF 10 50V 0603 C503 5322 126 11583 10nF 10 50V 0603 C504 5322 126...

Страница 137: ...51 30102 1k 5 0 062W R501 4822 117 12902 8k2 1 0 063W 0603 R502 9965 000 18576 750k Ω 1 16 W 5 1608 R TP R503 9965 000 18579 4 7 Ω 1 16 W 1608 5 00 D R504 4822 051 30008 0Ω jumper R505 9965 000 18579 4 7 Ω 1 16 W 1608 5 00 D R506 9965 000 18579 4 7 Ω 1 16 W 1608 5 00 D R507 4822 051 30152 1k5 5 0 062W R508 4822 117 13632 100k 1 0603 0 62W R509 4822 051 30008 0Ω jumper R510 4822 051 30008 0Ω jumper...

Страница 138: ...F 2012 R TP C545 9965 000 18610 0 033µF 25V K B 2 0X1 25 R TP C546 9965 000 18607 47µF SRA SS 35V M FM5 TP 5 C547 9965 000 18605 0 01µF 50V K B 2 0X1 25 R TP C551 9965 000 18610 0 033µF 25V K B 2 0X1 25 R TP C552 9965 000 18605 0 01µF 50V K B 2 0X1 25 R TP C561 4822 124 12052 220µF 20 6 3V C564 9965 000 18602 1000P 50V K B 2 0X1 25 R TP C567 9965 000 18602 1000P 50V K B 2 0X1 25 R TP C570 9965 000...

Страница 139: ...3 100Ω 1 RC12H 0805 R317 4822 051 20562 5k6 5 0 1W 0805 R318 4822 051 20392 3k9 5 0 1W R319 4822 051 20561 560Ω 5 0 1W R320 4822 117 10353 150Ω 1 0 1W R321 4822 051 20122 1k2 5 0 1W R322 4822 051 20102 1k 5 0 1W R324 4822 051 20334 330k 5 0 1W R325 4822 051 20471 470Ω 5 0 1W R326 4822 117 11383 12k 1 0 1W R327 4822 051 20562 5k6 5 0 1W 0805 R328 4822 117 11504 270Ω 1 0 1W R329 4822 117 11383 12k 1...

Страница 140: ... 18667 100mF 400V SHL SMPS S Y C104 9965 000 18668 0 022µF S 50V J PE TP C105 9965 000 18669 0 01µF D 630V K PE NI TP C106 9965 000 18670 HIGH VOL 100P 1KV SMPS SAMHWA C109 9965 000 18671 10M SMS 50V M FM5 TP 5 C110 9965 000 18672 1nF 400V M E Z5U R C111 9965 000 18673 2200 pF 400V M E R NK AD SD C112 9965 000 18674 0 022µF 50V Z F TA26 S C117 9965 000 18675 330µF KMG 50V M FM5 BULK C121 4822 124 ...

Страница 141: ...329 TENSION D35 100 9965 000 19330 TOP 102 9965 000 19333 COIL D35 STOPPER 109 9965 000 19334 DOOR 115 9965 000 19335 SWITCH 116 9965 000 19336 COIL D35 SWITCH 117 9965 000 19337 SPRING CST 401 9965 000 19338 D2 6 L4 5 MSWR3 FZY 402 9965 000 19339 D 2 6 L 4 0 MSWR3 FZY 405 9965 000 19340 1 D2 6 L5 8 SWRCH16A FZY TAP 406 4822 502 21655 409 9965 000 19341 1 D2 6 L5 0 SWRCH18A FZY TAP 410 9965 000 19...

Страница 142: ...V C5A2 9965 000 18556 0 1µF 50V Z F 1508 R TP C5C1 4822 124 23056 47µF 20 16V C5C2 4822 124 23053 1µF 20 63V C5C4 4822 124 23053 1µF 20 63V C5C5 4822 124 23053 1µF 20 63V C5C6 4822 124 23053 1µF 20 63V C5C7 4822 124 23053 1µF 20 63V C5C8 9965 000 18556 0 1µF 50V Z F 1508 R TP C5C9 4822 124 40804 22µF 20 63V C5E0 9965 000 18556 0 1µF 50V Z F 1508 R TP C601 9965 000 18556 0 1µF 50V Z F 1508 R TP C60...

Страница 143: ...F 50V 5 B 5YP 2012 R TP C311 9965 000 18595 47µF SR SV 50V M FL TP 5 C312 9965 000 18586 0 01µF 50V 5 B 5YP 2012 R TP C313 9965 000 18596 0 022µF S 63V K PP NI TP5 C314 4822 124 11947 10µF 20 16V C315 9965 000 18590 2 2µF SRA SS 50V 20 FM5 TP 5 C316 4822 124 11947 10µF 20 16V C317 9965 000 18586 0 01µF 50V 5 B 5YP 2012 R TP C318 4822 124 23053 1µF 20 63V C319 9965 000 18586 0 01µF 50V 5 B 5YP 2012...

Страница 144: ...00 18623 470µF SRA SS 16V 20 FM5 TP 5 C887 4822 124 11947 10µF 20 16V C888 4822 124 11947 10µF 20 16V C889 9965 000 18587 0 1µF 2012 50V 80 20 F C890 9965 000 18587 0 1µF 2012 50V 80 20 F C891 9965 000 18587 0 1µF 2012 50V 80 20 F C892 9965 000 18587 0 1µF 2012 50V 80 20 F C908 9965 000 18602 1000P 50V K B 2 0X1 25 R TP C910 9965 000 18602 1000P 50V K B 2 0X1 25 R TP C912 9965 000 18624 1000P 50V ...

Страница 145: ...5 0 1W R710 4822 051 20332 3k3 5 0 1W R711 4822 051 20332 3k3 5 0 1W R712 4822 051 20472 4k7 5 0 1W R713 4822 051 20562 5k6 5 0 1W 0805 R714 4822 051 20008 0Ω jumper 0805 R715 4822 117 11449 2k2 5 0 1W 0805 R716 4822 051 20102 1k 5 0 1W R717 4822 117 11373 100Ω 1 RC12H 0805 R718 4822 117 11373 100Ω 1 RC12H 0805 R719 4822 117 13577 330Ω 1 RC12H 0805 1 25W R7M1 4822 051 20102 1k 5 0 1W R7M2 4822 117...

Страница 146: ... 20 16V C530 9965 000 18556 0 1µF 50V Z F 1508 R TP C531 9965 000 18556 0 1µF 50V Z F 1508 R TP C532 9965 000 18556 0 1µF 50V Z F 1508 R TP C533 4822 126 14507 18pF 5 50V 0603 C534 2222 867 15339 0603 50V 33P 5 C535 9965 000 18556 0 1µF 50V Z F 1508 R TP C536 5322 126 11578 1nF 10 50V 0603 C537 5322 126 11578 1nF 10 50V 0603 C538 5322 126 11578 1nF 10 50V 0603 C539 9965 000 18556 0 1µF 50V Z F 150...

Страница 147: ...08 0Ω jumper R5E1 4822 051 30008 0Ω jumper R601 4822 051 30759 75Ω 5 0 062W R602 4822 051 30759 75Ω 5 0 062W R603 4822 051 30759 75Ω 5 0 062W R604 4822 051 30759 75Ω 5 0 062W R605 4822 051 30759 75Ω 5 0 062W R606 4822 051 30759 75Ω 5 0 062W R607 4822 051 30008 0Ω jumper R608 4822 051 30008 0Ω jumper R609 4822 051 30008 0Ω jumper R610 4822 051 30008 0Ω jumper R611 4822 051 30008 0Ω jumper X501 9965...

Страница 148: ...µF 2012 50V 80 20 F C804 9965 000 18587 0 1µF 2012 50V 80 20 F C805 9965 000 18587 0 1µF 2012 50V 80 20 F C806 4822 124 11947 10µF 20 16V C807 9965 000 18588 0 47M SRA 50V M FM5 TP 5 C808 4822 124 23053 1µF 20 63V C809 4822 124 23053 1µF 20 63V C810 9965 000 18606 1µF 16V Z F 2012 R TP C811 9965 000 18606 1µF 16V Z F 2012 R TP C812 4822 124 11947 10µF 20 16V C813 9965 000 18622 6800pF 50V 10 B 5YP...

Страница 149: ...0472 4k7 5 0 1W R567 4822 117 10833 10k 1 0 1W R568 4822 051 20683 68k 5 0 1W R569 4822 051 20105 1M 5 0 1W R570 4822 051 20472 4k7 5 0 1W R575 4822 051 20472 4k7 5 0 1W R576 4822 051 20472 4k7 5 0 1W R577 4822 051 20472 4k7 5 0 1W R578 4822 051 20472 4k7 5 0 1W R579 4822 117 11148 56k 1 0 1W R582 4822 117 11373 100Ω 1 RC12H 0805 R583 4822 117 10833 10k 1 0 1W R589 4822 051 20105 1M 5 0 1W R591 48...

Страница 150: ...02 5322 126 11583 10nF 10 50V 0603 C503 5322 126 11583 10nF 10 50V 0603 C504 5322 126 11583 10nF 10 50V 0603 C505 5322 126 11583 10nF 10 50V 0603 C506 9965 000 11253 CHIP 100P 50V J CH 0603 C507 5322 126 11583 10nF 10 50V 0603 C508 9965 000 18564 2 2µF 16V 80 20 F 3216 C509 9965 000 18556 0 1µF 50V Z F 1508 R TP C510 9965 000 11253 CHIP 100P 50V J CH 0603 C511 4822 124 23056 47µF 20 16V C513 9965 ...

Страница 151: ...0008 0Ω jumper R515 4822 051 30339 33Ω 5 0 062W R516 4822 051 30339 33Ω 5 0 062W R517 4822 051 30339 33Ω 5 0 062W R518 4822 051 30339 33Ω 5 0 062W R519 4822 051 30339 33Ω 5 0 062W R520 4822 051 30339 33Ω 5 0 062W R521 4822 051 30339 33Ω 5 0 062W R522 4822 051 30339 33Ω 5 0 062W R523 9965 000 18580 1 2k Ω 1 16 W 1608 5 00 D R524 9965 000 18580 1 2k Ω 1 16 W 1608 5 00 D R525 9965 000 18580 1 2k Ω 1 ...

Страница 152: ... 25 R TP C5P1 9965 000 18605 0 01µF 50V K B 2 0X1 25 R TP C5P2 9965 000 18605 0 01µF 50V K B 2 0X1 25 R TP C5S1 9965 000 18612 43pF 50V J 2012 R TP C5S3 9965 000 18597 0 022µF 50V K B 2 0X1 2 R TP C706 9965 000 18613 33P 50V J C 2 0X1 2 R TP C707 4822 126 13694 68pF 1 63V C708 9965 000 18600 470µF SR SV 6 3V 20 FM5 TP 5 C709 9965 000 18605 0 01µF 50V K B 2 0X1 25 R TP C710 4822 124 40769 4 7µF 20 ...

Страница 153: ...1W R350 4822 117 10833 10k 1 0 1W R351 4822 051 20824 820k 5 0 1W R352 4822 117 13577 330Ω 1 RC12H 0805 1 25W R353 4822 117 13577 330Ω 1 RC12H 0805 1 25W R3A2 4822 051 20008 0Ω jumper 0805 R501 4822 117 11373 100Ω 1 RC12H 0805 R502 4822 117 11373 100Ω 1 RC12H 0805 R503 4822 051 20472 4k7 5 0 1W R504 4822 051 20102 1k 5 0 1W R505 4822 051 20102 1k 5 0 1W R506 4822 051 20008 0Ω jumper 0805 R508 4822...

Страница 154: ...M K 2 3X3 4 L5 TP W901 9965 000 18656 1 0M K 2 3X3 4 L5 TP W902 9965 000 18656 1 0M K 2 3X3 4 L5 TP W903 9965 000 18656 1 0M K 2 3X3 4 L5 TP X301 9965 000 18657 HC49U BUBANG 4 433709MHz 15P X501 9965 000 18658 HC 49S BUBANG 10MHz 30 PPM X502 9965 000 18659 C 001R SEIKO EPSON 32 768 KHZ X751 9965 000 18660 49U BUBANG 18432000HZ 30PPM 16 CS501 9965 000 18625 MPU11810MLB0 MIC DC 5V 1MA D 3 ES501 9965...

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