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Check ICD04(DVD) Block
at IC901 pin#9,10,14,
15, 2, 4.
Is there Audio signal?
Check Input LINE1 JACK.
Check Input LINE2 JACK.
Check ICD02(DVD) Block.
REC '
H'
BASE voltage at
Q409 is 5V? Q201 is 5V?
Check IC601 pin#22
Is FM OSC signal at P401
pin#2?
Is FM OSC signal at IC901
pin#21?
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 circuit.
D. No NORMAL AUDIO playback (PLAY MODE)
c. No HIFI playback in record/playback mode(REC MODE)
YES
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO
Is there Audio signal
Pin#2 of IC401?
YES
Check A/C head.
Is pin#12 of IC401 0V?
Check P403 and A/C head.
Check IC401 and IC901.
YES
YES
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...