4 - 31
No
Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
No
Autofocus does not operate.
Does manual focus
operate?
TL0513 (C3V_CAM):
3.2V DC
IC0502-30, 31: 7V DC
Replace IC0502.
Replace Q0508 or Q0509.
Does zoom operate?
Replace the lens unit.
Replace the MAN
circuit board.
TL0514
(C5V_CAM/LEN5V):
4.8V DC
IC0501-30: 7V DC
Replace IC0501.
Replace Q0503.
TL0515 (LEN3V):
3.6V DC
IC0502-27: 7V DC
Replace IC0502.
Replace Q0510.
Replace IC1301
Set to service position (A).
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
TL0513
MAN (B)
6C
Need not
TL0514
MAN (B)
5D
Need not
TL0515
MAN (A)
2A
Need
IC0501-30
MAN (B)
4E
Need not
IC0502-27
MAN (B)
5E
Need not
IC0502-30, 31
MAN (B)
5E
Need not
Troubleshooting > Trouble Diagnosis