- 27
Is the ENVE level of IC901 pin#
29,30 more than 200mVp-p?
Is A.SW Signal input at IC901
pin#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 audio (PLAY MODE)
YES
YES
YES
NO
NO
NO
NO
Is the voltage of IC901 pin#28
above 5V?
Change IC 901
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...