C.
No sound in the playback mode
after recording. Check the following
procedure in RECORD mode.
Is the signal supplied to pin 76
Check INPUT JACK.
of IC301?
NO
YES
Is pin 10 of IC301 0V?
Check IC601.
NO
YES
Is there output at pin 7 of
Check IC301.
IC301?
NO
YES
Is there 70kHz signal at pin 4 of
Is the voltage above 4.8V at
Check Power
P201?
NO
Collector of Q202?
NO
circuit.
YES
YES
Is 5V to Emitter of Q205?
Check Power
NO
circuit.
YES
Check Q201.
Check Q201.
Collect:4.8V Base:5.0V
NO
Emitter:5.9V
YES
Clean A/C HEAD and connector
Check P201 and P202.
of P201.
Summary of Contents for DV-T1B1WX-BB/D
Page 4: ...3 INTERCONNECT WIRING DIAGRAM...
Page 5: ...4 POWER SUPPLY SCHEMATIC CIRCUIT DIAGRAM MIDDLE EAST...
Page 7: ...6 POWER BLOCK DIAGRAM...
Page 8: ...7 SERVO SYSCON SCHEMATIC DIAGRAM MIDDLE EAST...
Page 10: ...9 SERVO SYSCON BLOCK DIAGRAM...
Page 11: ...10 VIDEO AUDIO SCHEMATIC DIAGRAM...
Page 13: ...VIDEO RECORD PATH FOR PAL 12 VIDEO PLAYBACK PATH FOR PAL...
Page 14: ...13 PIF SCHEMATIC DIAGRAM...
Page 16: ...15...
Page 17: ...16...
Page 29: ......
