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Check ICD04(DVD) Block
at IC901 pin# 9, 10,14
15, 2,4
Is there Audio signal?
Signal at IC901 pin#61 is
transferred to IC401 pin#10?
REC '
H'
BASE voltage at
Q409 is 5V?
Collect signal at Q405 is
about 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.
Check ICD02(DVD) Block.
Check signal flow circuit.
Check IC601 pin#22.
Check Q404.
Check IC901.
E. No NORMAL AUDIO playback in record/playback mode(Check in REC
mode)
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Содержание DVCR101
Страница 1: ...DVCR101 DVD VCR PLAYER SERVICE MANUAL...
Страница 41: ...40 2 TOP COVER REMOVAL...
Страница 42: ...41 3 LOGIC PCB DISASSEMBLY...
Страница 43: ...42 4 DECK AND MAIN PARTS DISASSEMBLY...
Страница 44: ...43 5 MAIN PCB DISASSEMBLY...
Страница 45: ...44 6 MAIN CHASSIS DISASSEMBLY...
Страница 46: ...45 7 EXPLODE VIEW CIRCUIT DIAGRAM...
Страница 47: ...46...
Страница 48: ...47...
Страница 49: ...48...
Страница 50: ...49...
Страница 51: ...50...