14
TROUBLESHOOTING GUIDES
4. AUDIO CIRCUIT (Hi-Fi MODEL)
Is 9V supplied to pin
of IC251?
Check power circuit.
YES
NO
A.
Is 5V supplied to pin ,
of IC 251?
Check INPUT JACK
Is signal input pin ,
of IC251 in line mode?
YES
NO
Is 0V supplied to pin
of IC251?
YES
NO
YES
NO
Check SYSCON circuit
Change IC251
Is there output at pin ,
of IC251?
NO
Check OUTPUT JACK
YES
No sound in the E-E mode
58
25 40
9
14
36
53
57
Appendix
Summary of Contents for DV-T5T2
Page 7: ...6 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM...
Page 8: ...7 CIRCUIT DIAGRAM 2 SERVO SYSCON CEC CIRCUIT DIAGRAM T DECK...
Page 9: ...8 CIRCUIT DIAGRAM 3 VIDEO AUDIO SCHEMATIC DIAGRAM 4 HEAD...
Page 10: ...9 CIRCUIT DIAGRAM 4 VIDEO AUDIO SCHEMATIC DIAGRAM HI FI...
Page 11: ...10 CIRCUIT DIAGRAM 5 PIF SCHEMATIC DIAGRAM 4 HEAD...
Page 12: ...11 CIRCUIT DIAGRAM 6 PIF MPX SCHEMATIC DIAGRAM HI FI...
Page 48: ......
