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Troubleshooting > Trouble Diagnosis
Symptom
Error message "NO
DISC" appears even
when normal disc is
inserted
Error message "CHECK
DISC" appears
Message "Disc is not
formatted. Format the
disc now? YES NO"
appears
Date is not backed up
Zoom switch does not
work
EJECT switch does not
work
Does not enter REC
PAUSE status
No image in LCD
No image in EVF
Table 4-7-1 Trouble Diagnosis Table (2/3)
Service
Check points
position
-----
-----
-----
-----
-----
-----
(B)
TL7041 [AEL-A]
(A)
TL1543 [MAN-B]
(A)
TL1547 [MAN-B]
(B)
TL1541 [MAN-B]
(D)
TL3418 [LCD]
-----
-----
(B)
TL3719 [AEL-B]
4 - 7
Troubleshooting due to
Detail of check
Error message
Check connections of DRF
appears approx. 1
circuit board. If no
second after disc is
abnormality is found,
inserted.
replace disc drive unit.
Error message
Replace disc drive unit.
appears within 10
seconds after disc is
inserted
Disc is protected.
Yes: Release protect.
No: Replace disc drive
Normally initialized
Yes: Replace disc drive
disc was inserted
No: Change or Initialize
3V DC is not
NG: Check backup
supplied.
OK: Replace MAN board.
Switch operation
NG: Replace rear cover.
changes voltage.
OK: Replace MAN circuit
Switch operation
changes voltage.
Switch operation
changes voltage.
INV5V(5V)
NG: Check cable between
OK: Check cable between
Check damage to flat
NG: Replace fulcrum
cable between LCD
circuit board and AEL
OK: Replace MAN circuit
circuit board
Video signal
NG: IC3701 faulty.
OK: Check flat cable
check results
unit.
unit.
disc.
Lithium battery
LA1801.
board.
LCD circuit board
and AEL circuit
board. Or replace
MAN circuit board.
LCD circuit board
and AEL circuit
board. Or check
connections of MAN
and AEL circuit
boards.
block.
board.
between EVF, SHE
and AEL circuit
boards.
Or replace EVF unit.
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