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Troubleshooting > Trouble Diagnosis
No
Yes
Yes
No
No
Yes
Yes
No
DISC EJECT button does not operate.
TL7041 (EJECT_SW):
0V
(*1)
Is recognition sound
heard when the DISC
EJECT button is
pressed?
Replace IC4006.
Disc Eject button faulty:
Replace the rear case.
Replace the MAN
circuit board.
*1: When DISC EJECT button is pressed.
Set to service position (A).
Does "EJECT"
appear on the
LCD monitor?
Is motor drive sound
heard when the DISC
EJECT button is
pressed?
Replace the MAN
circuit board.
Replace the lock unit.
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
TL7041
MAN (B)
6E
Need not
No
Yes
No
Yes
No
Yes
No
Yes
PHOTO button (focus lock) does not function.
TL7046
(FOCUS_LOCK):
0V
(*2)
*1: When PHOTO button is pressed all the way.
Set to service position (A).
Does autofocus operate?
Refer to "Autofocus does
not operate".
Does focus lock
when PHOTO button
is pressed halfway?
TL7047
(SHUTTER):
0V
(*1)
PHOTO button faulty:
Replace the rear case.
Replace the MAN
circuit board.
Set to service position (A).
PHOTO button faulty:
Replace the rear case.
Replace the MAN
circuit board.
*2: When PHOTO button is pressed halfway.
TL7046
MAN (A)
TL7047
MAN (A)
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
1E
Need
1E
Need
Remove the MAN circuit
board, and solder a lead
wire to check points
Remove the MAN circuit
board, and solder a lead
wire to check points