13
TROUBLESHOOTING FLOW CHART
B. TROUBLESHOOTING OF REC MODE
No sound
in the playback
mode after recording
YES
NO
YES
NO
Is signal input into pin
76 or 78 of IC 301?
Check A/V
select circuit
YES
NO
Is the voltage above 4V
at "REC H" ?
Is clock and data applied
to pin 23, 24 of IC301?
NO
Check SYSCON
YES
NO
Is signal input into
pin 1 of IC301?
Check R201,
R202, C203
NO
Change IC301
YES
YES
Does pin 6 of T201
oscillate?
AC signal put on 70KHz
at base of Q203
Clean HEAD
Check R227, R228,
C221,T201
Check IC301
Is 5V applied to
IC 301?
Check SYSCON
YES
YES
YES
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...