17
TROUBLESHOOTING FLOW CHART
C. TROUBLESHOOTING OF LUMINANCE SIGNAL IN THE RECORD MODE
NO
NO
NO
NO
Is the video signal obtained
from pin 21 of IC601
(AV SW circuit)?
Is the video signal from
pin 21 of IC601
fed to pin 36 of IC301?
Is ON/OFF 5V supplied to
IC301 at 5 volts?
YES
YES
Check PCB pattern and
adjacent circuits.
Check ON/OFF 5V
Check IC301
Check Q302, C311,
R311 and R312
NO
Check AV SW circuit
YES
Is the video signal from
pin 36 of IC301 fed to pin 29
of IC301?
YES
YES
Check IC301
Is the luminance signal from
pin 21 of IC301 fed to
pin 20 of IC301?
Appendix
Содержание DV- K213S Series
Страница 7: ...6 EXTERNAL VIEWS 2 REAR VIEWS FUNCTION MONO 2 SCART TYPE REAR VIEW HI FI 2 SCART TYPE REAR VIEW...
Страница 15: ...14 CIRCUIT DIAGRAM 1 POWER CIRCUIT DIAGRAM 230V ONLY...
Страница 16: ...15 CIRCUIT DIAGRAM 2 SYSCON CIRCUIT DIAGRAM...
Страница 17: ...16 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM SECAM...
Страница 18: ...17 4 PIF CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Страница 19: ...18 CIRCUIT DIAGRAM 5 HIFI SW CIRCUIT DIAGRAM...
Страница 20: ...19 CIRCUIT DIAGRAM 6 SW CIRCUIT DIAGRAM...
Страница 25: ...24 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...
Страница 26: ...25 DISASSEMBLY 1 PACKING ASS Y...
Страница 27: ...26 DISASSEMBLY 2 FRONT PANEL ASSEMBLY DV K813S SERIES DV K823S SERIES...
Страница 28: ...27 DISASSEMBLY DV K873S SERIES DV K893S SERIES...
Страница 29: ...28 DISASSEMBLY DV K843S SERIES DV K863S SERIES...
Страница 30: ...29 DISASSEMBLY DV K9A3S SERIES...