4 - 35
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
Power does not turn on.
Are fuses F0501-0504
conducting?
Replace the fuses.
Set to service position (A).
TL0508 (REG ON1):
3.2V DC
(*1)
*1: When power switch is set to "VIDEO",
"DISC PHOTO" or "CARD PHOTO".
TL0509 (C1.2V):
1.2V DC
IC0501-33, 34: 7V DC
Replace IC0501.
Replace Q0501 or Q0502.
TL0510 (C1.8V):
1.8V DC
IC0502-32, 33: 7V DC
Replace IC0502.
Replace Q0506 or Q0507.
Remove the MAN circuit
board and solder a lead
wire to check points.
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
3B
TL0523
MAN (A)
TL7002
TL7003
TL7004
F0501 - 0504
IC0501-33
1B
TL0525
MAN (A)
IC0502-30, 31
Need
Need
TL0508
TL0509
TL0510
TL0511
TL0512
TL0514
TL0515
TL0516
TL0517
TL0522
TL0524
IC0502-32, 33
IC0501-30
IC0502-27
IC0501-31
IC0501-32
IC0502-26
5D
Need not
MAN (B)
5E
Need not
MAN (B)
1F
Need
MAN (A)
1F
Need
MAN (A)
1E
Need
MAN (A)
6E
Need not
MAN (B)
5D
Need not
MAN (B)
2A
Need
MAN (A)
1E
Need
MAN (A)
3E
Need
MAN (A)
5E
Need not
MAN (B)
4C
Need not
MAN (B)
6D
Need not
MAN (B)
6D
Need not
MAN (B)
6D
Need not
MAN (B)
4E
Need not
MAN (B)
4E
Need not
MAN (B)
4E
Need not
MAN (B)
4E
Need not
MAN (B)
5E
Need not
MAN (B)
5E
Need not
MAN (B)
5E
Need not
MAN (B)
5E
Need not
MAN (B)
3
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Troubleshooting > Trouble Diagnosis