Philco DVCR101 Page 21 Service Manual Download | Manualshive

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Check EE MODE.

No recording.

Is luminance and color signal

output from IC401 pin#46,58?

Is 5V obtained at IC401

pin#68

?

Check HEAD and Connector.

Is REC signal input at IC401

pin#66,73?

EP MODE: 66 Pin

SP MODE: 73Pin

Is signal input at IC401 pin#

30, 32 and IC402 pin#2,12?

Check POWER circuit.

Replace IC401.

C. No recording

YES

YES

YES

YES

YES

NO

NO

NO

NO

Is VIDEO SW Pulse input at

IC401 pin#57?

Check IC601 pin#18

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Summary of Contents for DVCR101

Page 1: ...DVCR101 DVD VCR PLAYER SERVICE MANUAL...

Page 2: ...Time FOB Shanghai Loading Quantity sets Certification UL C UL YES FCC YES FDA YES DOLBY YES MACROVISION YES FLLC NA CSS YES Remote Controller Model DVCR101 Body Color Silver Gray Button Color Gray POW...

Page 3: ...n Color Spray paint Silver Gray Decorative Bar of Panel NO Door of Loader Plastic Color of indicator light DVD RED VCR GREEN Display on Front Panel LED Region Code 1 Dolby Digital YES DTS Digital Out...

Page 4: ...it Digital Audio Output Optical 1 Unit Component Video Output YPbPr YPbPr 1 Unit S Video Output S 1 Unit DVD VCR Tuner RF IN RF OUT U V mixed F Type 75 1 Unit AV Input RCA AV RCA 2 Unit AV Output RCA...

Page 5: ...Playback Automatic upgrading Don t power off or operate the unit VCR Format VHS NTSC standard Multiplex sound playback record YES DVD record function YES INTERLACE SIGNAL Watching DVD for recording T...

Page 6: ...gic NO Output Channel 3 or 4 CH Received channels VHF 2 13CH UHF 14 69CH Cable 1 125 Default DVD TV DISPLAY NORMAL PS Audio OUT SPDIF RAW Screen Saver ON Audio English OSD Language English Subtitle OF...

Page 7: ...DVD SP SLP EP HIFI S N 1kHz 85 dB 42dB 40dB 60dB Dynamic Range 75dB 75dB THD N 1kHz 60 dB 4 5 0 7 Output Level 1kHz 1kHz 2 0VRMS 5 8 SP 5 8 Frequency Response 3 dB 20Hz 20kHz 3 6dB 100Hz 10KHz 3 6dB...

Page 8: ...arity 10 S N Luminance 100 52dB AM 52 dB S N Chrominance PM 50 dB Wave Distortion Luminance 15 Luminance 5 5MHz 5 5MHz 6dB CVBS Frequency Response Chrominance 1 5MHz 1 5MHz 6dB Y C DELAY 100nsec VCR S...

Page 9: ...Structural Drawing for Detail L W H Ichnography Provided and Approved by POLAROID POLAROID Printing Features Designed by POLAROID POLAROID Propagandistic Provided and Approved by POLAROID POLAROID Ori...

Page 10: ...he voltage provided for DVD is low level so in standby mode DVD part doesn t work instead main CPU on PCB in operation mode Data will be transmitted through 5 communication cables CLK STB DATA IN DATA...

Page 11: ...STB DATA IN DATA OUT IR So both DVD and VCR modes can be played back at the same time When DVD video signal is recorded the signal will be output by main CPU that s how the customer records the progr...

Page 12: ...f you are not sure of the type of power supply to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operati...

Page 13: ...crease the risk of fire 21 Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power supply c...

Page 14: ...1 Specific GRID SEG doesn t function GRID output at PORT of IC701 SEG output at PORT of IC701 Check PCB Pattern Exchange IC701 Check IC 701 pin 22 24 27 28 30 31 Check IC 701 pin 10 12 14 21 Exchange...

Page 15: ...PATH Is noise diminished by tracking adjustment Is there CTL pulse at IC601 pin 97 Noise appears on the screen even though changing tape Is there problem in CTL Input circuit and amplifier Is the hei...

Page 16: ...Check IC601 Check PCB Pattern Is the output at IC601 pin 71 CLK 72 DATA normal Is SIF video output at TMI RF101 pin 13 16 normal Is Video Signal input at IC601 pin 50 Is there Video output at IC601 pi...

Page 17: ...ER circuit Connect Capstan and Loading Motor Check connector and Capstan Motor YES YES YES YES NO NO NO Cassette tape isn t inserted VCR stops automatically in playback mode Is there REEL Pulse at IC6...

Page 18: ...57 R658 C661 C668 CAPSTAN doesn t rotate Is 14V voltage obtained at P603 pin 2 Is Capstan PWM fit to IC 601 pin 77 Is 3 2V voltage obtained at P603 pin 5 Is 2 3V voltage obtained at P603 pin 9 Check P...

Page 19: ...52 Check POWER circuit Check LINE JACK and PIF circuit Check DVD circuit Check PCB Pattern Check PCB Pattern Is 5V obtained at IC601 pin 53 98 99 Check LINE out YES EE screen doesn t appear YES YES YE...

Page 20: ...mposite video Signal output from IC401 pin 39 Check Power circuit Check OSD circuit B Playback picture doesn t appear YES YES YES YES YES YES YES Playback picture doesn t appear YES YES NO NO NO NO NO...

Page 21: ...at IC401 pin 68 Check HEAD and Connector Is REC signal input at IC401 pin 66 73 EP MODE 66 Pin SP MODE 73Pin Is signal input at IC401 pin 30 32 and IC402 pin 2 12 Check POWER circuit Replace IC401 C...

Page 22: ...601 pin 53 98 99 Is Video signal output at IC601 pin 52 Check IC 601 Check POWER circuit Is Video signal input at IC601 pin 50 Check IC 601 Replace IC601 D No OSD On Screen Display appears YES YES YES...

Page 23: ...02 pin 19 20 21 Is signal output at emitter of Is signal output at P102 pin 15 17 Is signal output at emitter of Q106 Q107 Check FFC CABLE DVD Check Q103 Q104 Q105 Check FFC CABLE DVD Check Q106 Q107...

Page 24: ...d at IC901 pin 58 Is 5V obtained at IC901 pin 25 40 and IC401 pin 77 Is the signal supplied to pin 48 of IC901 Is RF Audio signal output at IC901 pin 53 57 Check Output JACK YES No sound in RF EE mode...

Page 25: ...ned at IC901 pin 25 40 and IC401 pin 77 Is Audio signal at IC901 pin 9 14 in LINE1 mode Is RF Audio signal output at IC901 pin 53 57 Check Output JACK A b LINE1 EE YES No sound in LINE1 EE YES YES YES...

Page 26: ...in 2 4 in LINE2 mode No sound in LINE2 EE Is LINE2 Audio signal output at IC901 pin 53 57 Check Output JACK Check POWER circuit Check Input LINE2 JACK Is 12V obtained at IC901 pin 58 A c LINE2 EE NO Y...

Page 27: ...at IC901 pin 53 57 Is there DVD Audio at P102 pin 1 3 Is DVD Audio signal output at ICD04 pin 1 7 Is 12V obtained at ICD04 pin 8 Check POWER circuit Check ICD04 Check Output JACK Check DVD Loader A d...

Page 28: ...27 Is Playback Audio signal output at IC901 pin 53 57 Check Output JACK Check the PRE AMP circuit Check A SW at IC601 pin 19 Check power circuit Is 12V obtained at IC901 pin 58 B No Hi Fi playback aud...

Page 29: ...Replace IC901 Replace DRUM HEAD CLEANING Voltage at IC901 pin 58 is 12V Is there signal at IC901 pin 53 57 Is 5V supplied to pin 25 40 of IC901 and pin 77 of IC401 Check power circuit Check Power circ...

Page 30: ...out 70Vp p at 70KHz Is there recording signal at IC901 pin 61 No Normal Audio playback in record playback mode Check P403 pin 3 4 6 and CLEAN A C HEAD Check Input LINE1 JACK Check Input LINE2 JACK Che...

Page 31: ...lace the resistance Example4 Symptom In VCR mode the playback picture is rolling up and down and then the picture disappears Analyze The performance of the component on the main PCB declines because o...

Page 32: ...ing buttons on the front panel Analyze Remote sensor and the circuit have trouble First test if 5V voltage output at remote sensor P701 with OSC Then test if pulse signal output at output terminal on...

Page 33: ...PLAY REC PLAY 3 IC401 22 520mVp p 3 IC401 22 520mVp p 4 IC401 14 650mVp p 4 IC401 14 450mVp p 100mV 5usec 100mV 5usec 200mV 2msec cm 200mV 2msec cm REC PLAY PLAY SP VIDEO SW TRIG PLAY SLP VIDEO SW TR...

Page 34: ...ec REC PLAY REC PL REC PLAY REC 14 IC601 97 4 4Vp p 15 IC601 90 25Vp p 5 Vp p 16 IC601 87 2 5Vp p 17 IC601 38 2 6Vp p 1V 5msec cm 1V 5msec cm 1V 0 2msec cm 0 1V 0 1msec cm PLAY REC PLAY REC PLAY REC P...

Page 35: ...901 9 120mVp p 19 IC901 19 250mVp p 20 IC901 21 1 4Vp p 21 IC901 29 600mVp p 20mV 0 5msec 50mV 0 5msec 0 5V 1msec 0 2V 2msec EE REC PLAY EE REC REC PLAY 22 IC901 32 250mVp p 23 IC901 57 1 4Vp p 50mV 0...

Page 36: ...V 0V 1 2V 11 OPEN 0V 0V 0V 12 OPEN 0V 0V 0V 13 QV SYNC 2 71V 0V 0V 14 RECMON 5 88V 5 88V 5 88V 15 C ROTARY 0V 0V 30HZ 16 HA SW 0V 0V 5 4V 17 ENVE COMP 500mV 5 2V 5 2V 18 VIDEO SW 0V 0V 30HZ 19 A SW 30...

Page 37: ...V 0V 41 OPEN 0V 0V 0V 42 OPEN 5 5V 5 4V 5 4V 43 GND 0V 0V 0V 44 OPEN 5 5V 5 4V 5 4V 45 OPEN 0V 0V 0V 46 GND 0V 0V 0V 47 LPF 5 5V 1 3V 1 3V 48 GND 0V 0V 0V 49 GND 0V 0V 0V 50 VIDEO IN 2 0V 51 LECHA 800...

Page 38: ...KHZ 1KH Z 65 S OUT 5 4V 5 4V 5 4V 66 S IN 5 4V 5 4V 5 4V 67 S CLK 5 4V 5 4V 5 4V 68 S OUT 1 KHZ 1K HZ 74KH Z 69 S IN 2 2 5KH 22 5K HZ 22 5KH Z 70 S CLK 220 KHZ 220K HZ 220KHZ 71 CLK1 5 4V 72 DATA1 5...

Page 39: ...C FG 2 8V 2 7V 88 AMP VSS 0V 0V 0V 89 DRUM FG 0V 0V 0V 90 DRUM FG 0V 0V 91 AMP OUT 2 8V 2 74V 2 74V 92 AMP IN 2 8V 2 74V 2 74V 93 C 0V 0V 0V 94 CTL 2 72V 2 72V 2 72V 95 CTL 2 72V 2 72V 2 72V 96 AMP C...

Page 40: ...K 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 1 TOP COVER R...

Page 41: ...40 2 TOP COVER REMOVAL...

Page 42: ...41 3 LOGIC PCB DISASSEMBLY...

Page 43: ...42 4 DECK AND MAIN PARTS DISASSEMBLY...

Page 44: ...43 5 MAIN PCB DISASSEMBLY...

Page 45: ...44 6 MAIN CHASSIS DISASSEMBLY...

Page 46: ...45 7 EXPLODE VIEW CIRCUIT DIAGRAM...

Page 47: ...46...

Page 48: ...47...

Page 49: ...48...

Page 50: ...49...

Page 51: ...50...

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