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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
.O
9ES
.O
9ES
.O
9ES
.O
9ES
0(/4/BUTTONFOCUSLOCK DOESNOTFUNCTION
4,
&/#53?,/#+
6
7HEN0(/4/BUTTONISPRESSEDALLTHEWAY
3ETTOSERVICEPOSITION!
$OESAUTOFOCUSOPERATE
2EFERTO!UTOFOCUSDOES
NOTOPERATE
$OESFOCUSLOCK
WHEN0(/4/BUTTON
ISPRESSEDHALFWAY
4,
3(544%2
6
0(/4/BUTTONFAULTY
2EPLACETHEREARCASE
2EPLACETHE-!.
CIRCUITBOARD
3ETTOSERVICEPOSITION!
0(/4/BUTTONFAULTY
2EPLACETHEREARCASE
2EPLACETHE-!.
CIRCUITBOARD
7HEN0(/4/BUTTONISPRESSEDHALFWAY
4,
-!.!
4,
-!.!
,ISTOFCHECKPOINTS
3YMPTOM
#IRCUITBOARD
SIDE
,OCATIONON
CIRCUITBOARD
,EADWIRE
SOLDERED
ORNOT
%
.EED
%
.EED
2EMOVETHE-!.CIRCUIT
BOARDANDSOLDERALEAD
WIRETOCHECKPOINTS
2EMOVETHE-!.CIRCUIT
BOARDANDSOLDERALEAD
WIRETOCHECKPOINTS