19
Is PB-FM signal from HEA DAMP
fed to pin of ICA01?
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.
26
Is REC(H) supplied to anode of
DA01 at 0volt?
NO
YES
Check IC601 Pin
Is Y-FM signal from pin of
ICA01 fed to pin of IC301?
NO
YES
Check PB EQ CIRCUIT
(QA01, QA02, QA03)
Is the luminance signal from pin
of IC301 fed to pin of IC301?
Check IC301
11
51
47
38
YES
Is the luminance signal from pin of IC301
fed to pin of IC301
Check IC302
38
35
YES
Is the luminance signal from of IC301
fed to pin of IC301?
Change IC301
35
27
YES
Check RF out
NO
NO
NO
11
Check Line out
44
54
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 ...