Related Manuals for Sanyo HV-DX4EV
Summary of Contents for Sanyo HV-DX4EV
- Page 1 Service Manual Service Manual MODEL: HV-DX4SP HV-DX4EV SANYO Electic Co., Ltd. Apr. 2005...
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Page 2: Table Of Contents
CONTENTS 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... -
Page 3: Specifications
ADVANTAGES OF THIS PRODUCT SPECIFICATIONS Power 200-240V~, 50/60Hz • DVD, VCD, CD, CD-R(MP3), CD-RW, VHS Consumed electricity • Watching DVD for recording broadcast Weight 4.6kg • Integrated remote control (VCR, DVD) Dimension (W x H x D) 435mmx93mmx255mm • VISS function Operative temperature +5°C~40°C •... -
Page 4: Troubleshooting
TROUBLESHOOTING ADVANTAGES OF THIS PRODUCT 1. POWER CIRCUIT • Parental Lock function (DVD) This function can prevent playback of software that may be unsuitable for children. CAUTION • Multi Audio function (DVD) You must use insulated transformer during the first part test of POWER circuit. The audio soundtrack can be heard in up to 8 languages. - Page 5 TROUBLESHOOTING TROUBLESHOOTING 2. SYSTEM CIRCUIT B-1. Bad playback quality (1) A. LED DISPLAY Noise appears on the playback screen. No LED display. Is noise diminished by tracking Re-adjust PATH. adjustment. Is 5V obtained at IC701 Check R588, D857, L503, L860 pin #9, 25? Noise band is trembled up and Noise appears on the screen even...
- Page 6 TROUBLESHOOTING TROUBLESHOOTING D. No CASSETTE Loading C. No broadcasting signal received Cassette tape isn t inserted. No broadcasting signal received Is 5V voltage obtained at Loading Check at EVER 14V Is the output at IC501 pin# 61(CLK), parts IC501 pin#2? Check Q850.
- Page 7 TROUBLESHOOTING TROUBLESHOOTING 3. VIDEO circuit F. DRUM Motor stops A. EE screen doesn t appear DRUM Motor stops. EE MODE Picture NG Is 14V voltage obtained at P501 Check EVER 14V Is Video signal input at pin#8? (Q850). Check IF and LINE IN JACK. IC301 pin#48,50,52,54? Is 5V supplied at Is DRUM PWM fit to IC 501...
- Page 8 TROUBLESHOOTING TROUBLESHOOTING B. Playback picture doesn t appear C. No recording Record video signal poor. PB video signal missing. Check EE MODE. Is Envelope output from IC301 Is 5V supplied at IC301 pin#91? Check POWER 5V. pin#79? Is luminance and color signal Is signal input into IC301 output from IC301 pin#78? pin# 48,50,52,54,56?
- Page 9 TROUBLESHOOTING TROUBLESHOOTING 4. AUDIO (Hi-Fi MODEL) A. No sound in E-E mode D. No OSD(On Screen Display) appears a. RF E-E No OSD appears. No sound in RF E-E mode Is 5V obtained at IC501 pin# 53, Check POWER circuit. 98, 99? Is 5V obtained at IC051 pin#1? Check Power circuit.
- Page 10 TROUBLESHOOTING TROUBLESHOOTING c. AV2 E-E b. AV1 E-E No sound in AV2 E-E mode. No sound in AV1 E-E mode. Is 12V obtained at IC251 pin#34? Is 12V obtained at IC251 pin#34? Check POWER circuit. Check POWER circuit. Is 5V obtained at IC251 pin#40? Is 5V obtained at IC251 pin#40? Is Audio signal at IC251 pin#8, 9? Check Input AV2 JACK...
- Page 11 TROUBLESHOOTING TROUBLESHOOTING d. DVD E-E e. FRONT E-E No sound in DVD No sound in Front E-E mode. E-E mode. Is Audio signal at IC601 pin#1, Is there DVD Audio at ICD01 Check Input Front JACK. Check ICD01, DVD board pin#7,8? Is Audio signal output at IC601 pin Comparing with switching table, are SWA, B CTL SIGNAL...
- Page 12 B. No Hi-Fi Playback audio(PLAY MODE) C. No Hi-Fi playback in record/playback mode (REC MODE) Check input LINE1 JACK. Are there Audio signal Check input LINE2 JACK. at IC251 pin#4~9? Is 12V obtained at IC251 pin#34? Check ICD03(DVD). Check POWER circuit. Is FM OSC signal at IC251 Replace IC251 pin#36?
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Page 13: Waveforms
WAVEFORMS TROUBLESHOOTING 1. VIDEO E. No NORMAL AUDIO playback in record/playback mode(Check in REC mode) No Normal Audio playback in record/playback mode (IC301-70) 5Vp-p (IC301-70)5Vp-p (IC301-46) 520mVp-p (IC301-46) 520mVp-p 1V/2msec/cm 1V/2msec/cm 200mV/5usec/cm 200mV/5usec/cm PLAY PLAY Check Input LINE1 JACK. Are there Audio signal at IC251 Check Input LINE2 JACK. - Page 14 WAVEFORMS WAVEFORMS 3. SERVO/SYSCON 2. AUDIO 2-1 AUDIO(Normal) (IC501-18) 5Vp-p (IC501-77) 5Vp-p (IC501-76) 5Vp-p “ (IC501-94) 3Vp-p (IC301-15) 100mVp-p (IC301-11) 1.5Vp-p (IC301-100) 2.3Vp-p (IC301-8) 120mVp-p 2V/5msec/cm 2V/5µsec/cm 2V/5µsec/cm 1V/5msec/cm 20mV/0.5msec/cm 0.5V/0.5msec/cm 0.5V/0.5msec/cm 50mV/0.5msec/cm REC/PLAY REC/PLAY REC/PLAY PLAY ‘ (IC501-97) 4.4Vp-p (IC501-90)25Vp-p&5Vp-p (IC501-87) 2.5Vp-p (IC501-38) 2.6Vp-p...
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Page 15: Circuit Diagram
CIRCUIT DIAGRAM 1. POWER SUPPLY CIRCUIT DIAGRAM... - Page 16 CIRCUIT DIAGRAM 2. SERVO & SYSCON CIRCUIT DIAGRAM...
- Page 17 CIRCUIT DIAGRAM 3. VIDEO/AUDIO CIRCUIT DIAGRAM...
- Page 18 CIRCUIT DIAGRAM 4. HiFi & SW & INPUT CIRCUIT DIAGRAM...
- Page 19 CIRCUIT DIAGRAM 5. PIF CIRCUIT DIAGRAM...
- Page 20 CIRCUIT DIAGRAM 6. DVD CIRCUIT DIAGRAM...
- Page 21 CIRCUIT DIAGRAM...
- Page 22 CIRCUIT DIAGRAM...
- Page 23 CIRCUIT DIAGRAM...
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Page 24: Pcb Circuit Board
PCB CIRCUIT BOARD 1-1 . VCR (MAIN) - Page 25 PCB CIRCUIT BOARD 1-2. POWER...
- Page 26 PCB CIRCUIT BOARD 1-3. DVD (MAIN)
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Page 27: Instrument Disassembly
INSTRUMENT DISASSEMBLY INSTRUMENT DISASSEMBLY 1. DECK DISASSEMBLY B. PANEL FRONT DISASSEMBLY Perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure. Make sure that all leads/ wiring are routed correctly when reassembling. @ Remove 2 Hooks at left and right sides, Simultaneously, remove panel. - Page 28 INSTRUMENT DISASSEMBLY INSTRUMENT DISASSEMBLY E. MAIN PCB DISASSEMBLY D. DECK AND MAIN PARTS DISASSEMBLY @ Remove 2 screws, then remove MAIN PCB ! Remove 6 screws, then remove DECK @ Remove 4 screws, then remove LOADER # Remove 3 screws, then remove POWER PCB ! Remove 2 screws FIG.
- Page 29 SCREW TAPPTITE 7173300811 TT2 RND 3X8 MFZN PCB TACT S/W FIX PCB TACT S/W PANEL FRONT AS 97PP340000D03 1 SANYO HV-DX4EP DIVX 2 TONE SCREW TAPPTITE 7173300812 TT2 BIN 3X8 BK JACK A/V FIX COVER BOTTOM SECC T0.8 CUSHION LEG EVA T=2.0...
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Page 30: Electrical Partslist
C CHIP CERA COG 50V 220PF 5% 2012 CD18 HCBK182KCA C CHIP CERA X7R 50V 1800PF 10% 2012 97PP340000D03 FRONT PANEL SANYO HV-DX4EP DIVX 2 TONE C051 HCQK390JCA C CHIP CERA COG 50V 39PF 5% 2012 C401 HCFH104ZCA C CHIP CERA Y5V 25V 0.1MF(-20%+80%)2012... - Page 31 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT Q308...
- Page 32 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT C205...
- Page 33 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT JP022...
- Page 34 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT LOC. PART CODE PART NAME PART DESCIRTION Q TY UNIT JP272...