Sanyo HV-DX4EV Page 22 Service Manual Download | Manualshive

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CIRCUIT DIAGRAM

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Summary of Contents for HV-DX4EV

Page 1: ...Service Manual Service Manual MODEL HV DX4SP HV DX4EV Apr 2005 SANYO Electic Co Ltd ...

Page 2: ...1 SPECIFICATIONS 2 ADVANTAGES OF THIS PRODUCT 3 TROUBLE SHOOTING 5 WAVEFORMS 23 CIRCUIT DIAGRAM 26 PCB CIRCUIT BOARD 35 INSTRUMENT DISASSEMBLY 38 ELECTRICAL PARTSLIST 44 CONTENTS ...

Page 3: ...ve Play DVD VCD CD You can select and play the desired title chapter of DVD and track of Video CD CD in STOP mode Disc type DVD VIDEO CD CD Analogue Audio output 48 96KHz sampling 44 1KHz sampling 44 1KHz sampling Digital Audio output 48KHz sampling 44 1KHz sampling 44 1KHz sampling Optical digital audio output 48KHz sampling 44 1KHz sampling 44 1KHz sampling Output Power 200 240V 50 60Hz Consumed...

Page 4: ...he software Multi Angle function DVD This function allows you to choose the viewing angle of scenes which were shot from a number of different angles The number of angles depends on the software Screen zoom function DVD VCD 1 POWER CIRCUIT CAUTION You must use insulated transformer during the first part test of POWER circuit Check IC501 IC701 No power POWER cord is ok Is 400V 200V voltage obtained...

Page 5: ...TH B 1 Bad playback quality 1 YES YES YES YES No LED display Is 5V obtained at IC701 pin 9 25 Oscillation at IC701pin 1 Specific GRID SEG doesn t function Check R588 D857 L503 L860 Exchange IC701 Check IC 701 pin 22 24 27 28 30 31 Check IC 701 pin 10 12 14 21 NO YES YES NO NO GRID output at PORT of IC701 YES SEG output at PORT of IC701 Exchange IC701 YES A LED DISPLAY NO Noise appears on the Full ...

Page 6: ...ed at Loading parts IC501 pin 2 Is 14V voltage obtained at Capstan Motor P501 pin 2 Check at EVER 14V Check Q850 ConnectCapstanandLoadingMotor CheckconnectorandCapstanMotor YES NO NO NO Is 13V voltage obtained at Each parts of Loading Motor Replace Loading Motor Check D851 and POWER circuit D No CASSETTE Loading YES YES E AUTO STOP in Playback mode VCR stops automatically in playback mode Check R5...

Page 7: ...tor Check EVER 14V Q850 Check DRUM PG FG IC 501 pin 90 Check R534 R535 C519 C520 NO 3 VIDEO circuit A EE screen doesn t appear EE MODE Picture NG Is Video signal input at IC301 pin 48 50 52 54 Is 5V supplied at pin 42 55 72 91of IC301 Is C S DATA CLOCK signal input pin 67 68 69 of IC301 Check IF and LINE IN JACK Check POWER circuit Check IC501 pin 58 71 72 NO YES YES NO NO YES Is signal output fro...

Page 8: ...V NO NO Check PATTERN NO YES YES YES YES YES Is 5V supplied at IC301 pin 91 NO NO YES YES Is VIDEO SW Pulse input at IC301 pin 70 Is REC signal output from IC301 pin 94 95 89 90 LP MODE 89 90 Pin SP MODE 94 95Pin Check video HEAD and Connector Is signal input into IC301 pin 48 50 52 54 56 Check POWER circuit Check IC501 pin 18 Record video signal poor Check EE MODE YES Is luminance and color signa...

Page 9: ...eck IC301 NO Check RF output YES YES Check Line output 4 AUDIO Hi Fi MODEL No sound in RF E E mode Is Audio signal output at IC601 pin 3 13 A No sound in E E mode a RF E E Check IC501 Is Audio signal output at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit YES Replace IC...

Page 10: ...e IC601 YES Comparing with switching table are SWA B CTL SIGNAL right at IC601 pin 9 10 NO Check Output JACK YES YES NO c AV2 E E No sound in AV2 E E mode NO Check Input AV2 JACK Is Audio signal at IC251 pin 8 9 Is Audio signal output at IC601 pin 3 13 Check IC501 Is Audio signal output at IC251 pin 19 20 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 ...

Page 11: ... pin 1 7 Check ICD03 NO YES Is Audio signal output at IC601 pin 3 13 Check IC501 YES Replace IC601 Comparing with switching table are SWA B CTL SIGNAL right at IC601 pin 9 10 NO Check Output JACK YES YES NO Is Audio signal at IC601 pin 1 12 Check Input Front JACK NO Is Audio signal output at IC601 pin 3 13 Check IC501 YES Replace IC601 Comparing with switching table are SWA B CTL SIGNAL right at I...

Page 12: ...tput JACK YES YES NO C No Hi Fi playback in record playback mode REC MODE Are there Audio signal at IC251 pin 4 9 Is FM OSC signal at IC251 pin 36 Check input LINE1 JACK Check input LINE2 JACK Check ICD03 DVD Replace DRUM YES NO NO NO Is FM OSC signal at P401 pin 2 Replace IC251 YES HEAD CLEANING YES D No NORMAL AUDIO playback PLAY MODE Is Playback Audio signal at IC301 pin 11 Replace IC251 YES NO...

Page 13: ...Check IC251 YES YES Check Q203 NO Check P201 pin 2 4 8 and A C HEAD YES REC H BASE voltage at Q206 is 5V Check IC501 pin 45 NO YES 1 VIDEO IC301 70 5Vp p 1V 2msec cm REC IC301 70 5Vp p 1V 2msec cm PLAY IC301 46 520mVp p 200mV 5usec cm REC IC301 46 520mVp p 200mV 5usec cm PLAY IC301 43 520mVp p 100mV 5usec REC IC301 43 520mVp p 100mV 5usec PLAY IC301 21 600mVp p 200mV 2msec cm PLAY SP VIDEOSWTRIG I...

Page 14: ... EE REC PLAY 4 IC251 24 200mVp p 50mV 0 5msec EE REC 5 IC251 34 1 4Vp p 0 5V 1msec REC 6 IC251 32 200mVp p 50mV 0 5msec EE REC 7 IC251 16 1 4Vp p 0 5V 0 5msec EE REC 3 SERVO SYSCON 8 IC501 18 5Vp p 2V 5msec cm REC PLAY 9 IC501 77 5Vp p 2V 5µsec cm REC PLAY 0 IC501 76 5Vp p 2V 5µsec cm REC PLAY IC501 94 3Vp p 1V 5msec cm REC IC501 97 4 4Vp p 1V 5msec cm PLAY IC501 90 25Vp p 5Vp p 1V 5msec cm REC PL...

Page 15: ...26 CIRCUIT DIAGRAM 1 POWER SUPPLY CIRCUIT DIAGRAM ...

Page 16: ...27 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM DVD REC VCR ...

Page 17: ...28 CIRCUIT DIAGRAM 3 VIDEO AUDIO CIRCUIT DIAGRAM ...

Page 18: ...29 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM ...

Page 19: ...30 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM ...

Page 20: ...31 CIRCUIT DIAGRAM 6 DVD CIRCUIT DIAGRAM ...

Page 21: ...32 CIRCUIT DIAGRAM ...

Page 22: ...33 CIRCUIT DIAGRAM ...

Page 23: ...34 CIRCUIT DIAGRAM ...

Page 24: ...35 PCB CIRCUIT BOARD 1 1 VCR MAIN ...

Page 25: ...36 PCB CIRCUIT BOARD 1 2 POWER ...

Page 26: ...37 PCB CIRCUIT BOARD 1 3 DVD MAIN ...

Page 27: ...re that all leads wiring are routed correctly when reassembling FIG 1 A TOP COVER REMOVAL Remove a screws Remove three screws Remove a screws B PANEL FRONT DISASSEMBLY C LOGIC PCB DISASSEMBLY FIG 2 FIG 3 Remove 3 Hooks at bottom Remove 2 Hooks at left and right sides Simultaneously remove panel Remove 2 screws then remove Logic INSTRUMENT DISASSEMBLY 38 ...

Page 28: ... DISASSEMBLY FIG 4 D DECK AND MAIN PARTS DISASSEMBLY Remove 6 screws then remove DECK Remove 4 screws then remove LOADER Remove 3 screws then remove POWER PCB FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws ...

Page 29: ...PZGVLDFS07 1 SEE LABEL PGM 10 SCREW TAPPTITE 7173300811 2 TT2 RND 3X8 MFZN M PCB FIX 11 PCB MAIN MANUAL AS PVMPMSCD07 1 DC S87E1D NB I 12 SCREW TAPPTITE 7173300811 2 TT2 RND 3X8 MFZN POWER PCB FIX 13 POWER PKD ASSY PVPWPKE435 1 DVD VCR COMBI VER3 0 14 CORD POWER AS 97P690091B 1 CE EU KKP 419C YFH800 1 7M 15 SCREW TAPPTITE 7173300811 3 TT2 RND 3X8 MFZN COVER BOTTOM FIX 16 CHASSIS MAIN 1 HIPS HB 17 ...

Page 30: ...RTNAME PARTDESCIRTION Q TY UNIT C260 HCFH474ZCA CCHIPCERA Y5V25V0 47MF 20 80 2012 1 EA C269 HCFH223ZCA CCHIPCERA Y5V25V0 022MF 20 80 2012 1 EA C271 HCBK682KCA CCHIPCERA X7R50V6800PF10 2012 1 EA C277 HCBK682KCA CCHIPCERA X7R50V6800PF10 2012 1 EA C281 HCFH104ZCA CCHIPCERA Y5V25V 0 1MF 20 80 2012 1 EA C282 HCBK122KCA CCHIPCERA X7R50V1200PF10 2012 1 EA C286 HCFH104ZCA CCHIPCERA Y5V25V 0 1MF 20 80 2012...

Page 31: ... 16VRSM22MF 5X7 1 EA 47 ELECTRICAL PARTSLIST LOC PARTCODE PARTNAME PARTDESCIRTION Q TY UNIT Q308 T2SC5343SF TRCHIP 2SC5343SFG DAGNPNAUK 1 EA Q309 T2SC5343SF TRCHIP 2SC5343SFG DAGNPNAUK 1 EA Q310 T2SC5343SF TRCHIP 2SC5343SFG DAGNPNAUK 1 EA Q311 T2SC5343SF TRCHIP 2SC5343SFG DAGNPNAUK 1 EA Q333 T2SA1037KB TRCHIP 2SA1037K T146 R 1 EA QD03 T2SC5343SF TRCHIP 2SC5343SFG DAGNPNAUK 1 EA QD04 T2SC5343SF TRC...

Page 32: ...1J2T COILPEAKING EL0305RA100UHJRADIAL 1 EA LD51 5CPX100J2T COILPEAKING EL0305RA10UHJRADIAL 1 EA Q201 T2SC5343Y TR 2SC5343Y AUK 1 EA Q203 T2SC5342Y TR 2SC5342Y 1 EA Q204 T2SC5343Y TR 2SC5343Y AUK 1 EA 49 ELECTRICAL PARTSLIST LOC PARTCODE PARTNAME PARTDESCIRTION Q TY UNIT Q205 T2SC5343Y TR 2SC5343Y AUK 1 EA Q206 T2SA1980Y TR 2SA1980Y AUK 1 EA Q207 T2SA1980Y TR 2SA1980Y AUK 1 EA Q208 T2SC5343Y TR 2SC...

Page 33: ...NG 0 052 ME JP271 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME 50 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST LOC PARTCODE PARTNAME PARTDESCIRTION Q TY UNIT JP022 85801065GY WIRECOPPER AWG221 0 6TINCOATING 1 ME JP023 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP024 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP025 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP026 8580...

Page 34: ...AWG221 0 6TINCOATING 0 052 ME JP282 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP283 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP284 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP285 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP287 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP289 85801065GY WIRECOPPER AWG221 0 6TINCOATING 0 052 ME JP290 85801065GY WIREC...

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