17
Is the video signal from pin of IC301?
NO
YES
Check PHONE jack
31
Is ON/OFF 5V supplied to pin and
pin of IC301 at 5volts?
NO
YES
Check 5V CIRCUIT
(IC801, Q802, Q803)
26
54
Is REC(H) supplied to anode of
DA01 at 4.2 volt?
NO
YES
Check IC601 Pin
Is the down-converted color signal
obtained from pin of IC301?
NO
YES
Change IC301
2
Is the down-converted color signal
from pin of IC301 fed to RA04?
YES
Check ICA01 and pattern
2
To HEAD AMP IC
NO
NO
YES
Check IC302
44
Is the down-converted color signal
from pin of IC301 fed to pin of IC301?
55
56
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...
