16
TROUBLESHOOTING FLOW CHART
B. TROUBLESHOOTING OF PREAMP IN THE PLAYBACK MODE
Is the signal from heads
fed to pin 8 and pin 9
(LP mode) or pin 4 and
pin 6 (SP mode) of P401?
NO
Is ON/OFF 5V Supplied
To IC 301?
Check ON/OFF 5V
NO
YES
Check drum and
deck mechanism
NO
Check H.A SW
NO
Is REC(H) from pin 75
of Ic501?
Is H.A SW from pin 18
of IC501?
Check REC(H)
YES
NO
Is video SW from pin 18 of
IC501 supplied to pin
11 of IC301?
Check video SW
YES
NO
Is the signal from pin 8 and
pin 9 (LP mode) or pin 4 and
pin 6 (SP mode) of P401
fed to pin 74 of IC301?
Change IC301
YES
YES
NO
Is the signal from pin 46
of IC301 fed to C332?
Check PB EQ
YES
YES
Check VIDEO 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...