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
Summary of Contents for DV-K11WZ-PB/A
Page 30: ...27 6 CIRCUIT DIAGRAM CONNECTION DIAGRAM...
Page 31: ...28 POWER CIRCUIT DIAGRAM...
Page 32: ...29 SERVO SYSCON CIRCUIT DIAGRAM...
Page 33: ...30 VIDEO HEAD AMP CIRCUIT DIAGRAM...
Page 34: ...31 AUDIO CIRCUIT DIAGRAM...
Page 35: ...32 HI FI AUDIO CIRCUIT DIAGRAM...
Page 36: ...33 KARAOKE CIRCUIT DIAGRAM...
Page 37: ...34 LOGIC SW CIRCUIT DIAGRAM...
