15
TROUBLESHOOTING FLOW CHART
5. VIDEO CIRCUIT
A. TROUBLESHOOTING OF EE MODE
YES
NO
YES
YES
NO
NO
Is the Signal obtained from
pin 21 of IC601 ?
(A/V SW. circuit)
Is the video signal from
pin 21 of IC601 fed to
pin 36 of IC301?
YES
Is ON/OFF 5V supplied to
IC301 at 5 volts?
YES
Is the CLK-DATA signal
obtained from pin 23, 24
of IC301?
YES
YES
Is the signal from
pin 36 of IC301 fed to
pin 29 of IC301?
YES
Is the video signal obtained
from pin 50 of IC501?
TO RF OUT CIRCUIT
TO A/V SW CIRCUIT
Check A/V SW Circuit.
Check ON/OFF 5V
NO
Check pin 71, 72
of IC501
NO
Check pin 71, 72
of IC501
Check OSD circuit
Check PCB pattern
Check PCB pattern
and adjacent circuit
Appendix
Summary of Contents for DV- K213S Series
Page 15: ...14 CIRCUIT DIAGRAM 1 POWER CIRCUIT DIAGRAM 230V ONLY...
Page 16: ...15 CIRCUIT DIAGRAM 2 SYSCON CIRCUIT DIAGRAM...
Page 17: ...16 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM SECAM...
Page 18: ...17 4 PIF CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Page 19: ...18 CIRCUIT DIAGRAM 5 HIFI SW CIRCUIT DIAGRAM...
Page 20: ...19 CIRCUIT DIAGRAM 6 SW CIRCUIT DIAGRAM...
Page 25: ...24 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...
Page 26: ...25 DISASSEMBLY 1 PACKING ASS Y...
Page 27: ...26 DISASSEMBLY 2 FRONT PANEL ASSEMBLY DV K813S SERIES DV K823S SERIES...
Page 28: ...27 DISASSEMBLY DV K873S SERIES DV K893S SERIES...
Page 29: ...28 DISASSEMBLY DV K843S SERIES DV K863S SERIES...
Page 30: ...29 DISASSEMBLY DV K9A3S SERIES...