12
TROUBLESHOOTING FLOW CHART
4. AUDIO CIRCUIT (NORMAL)
A. TROUBLESHOOTING OF PB MODE
No sound in the
playback mode
Is the output at pin 96
of IC301?
Check power circuit
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
Is 5V applied to
IC301?
Check A/V select circuit
IS collector of
Q204 GND?
Check Q204,
Q205, Q206
Check pattern and
AC Head
NO
Is "REC H" less than
0.2V?
Is clock and data applied
to pin 23, 24 of IC301?
Check SYSCON
Appendix
Содержание DV-K813S 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...