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20
Is the PAL color signal from pin of
ICA01 fed to pin of IC301 through
AMP circuit?
NO
YES
Check HEAD AMP circuit
Is ON/OFF 5V supplied to pin and
pin of IC301 at 5volts?
NO
YES
Check ON/OFF 5V CIRCUIT
Is QV SYNC supplied to anode of
D301 at 0 volts?
NO
YES
Check QV SYNC
Is the PAL color signal from pin
of IC301 fed to pin of IC302?
Check IC301 pin , serial
clock and data input
YES
Is the signal from pin
of IC301 fed to pin
of IC301
Check IC302
YES
11
53
26
53
55
55
56
Is color signal output from
pin of IC301?
Change IC301
27
YES
Check RF out
NO
NO
NO
Check Line out
Is the signal from pin of
IC301 fed to pin of IC301
Check IC301
YES
56
23
NO
54
15
14
Содержание DV-K11WY-PB
Страница 27: ...WAVEFORMS OF THE SERVO SYSCON CIRCUIT 24 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms ...
Страница 30: ...27 6 CIRCUIT DIAGRAM CONNECTION DIAGRAM ...
Страница 31: ...28 POWER CIRCUIT DIAGRAM ...
Страница 32: ...29 SERVO SYSCON CIRCUIT DIAGRAM ...
Страница 33: ...30 VIDEO HEAD AMP CIRCUIT DIAGRAM ...
Страница 34: ...31 AUDIO CIRCUIT DIAGRAM ...
Страница 35: ...32 HI FI AUDIO CIRCUIT DIAGRAM ...
Страница 36: ...33 KARAOKE CIRCUIT DIAGRAM ...
Страница 37: ...34 LOGIC SW CIRCUIT DIAGRAM ...