Hitachi DZ-MV580EAU Service Manual page 59

Troubleshooting > Trouble Diagnosis
Service
Symptom
position
No sound from (C)
speaker
No audio from AV (B)
input/output
terminal
Audio from built- (B)
in microphone
cannot be recorded
(B)
Audio from (B)
external
microphone cannot
be recorded
When a darkish -----
scene is recorded,
a bright point will
appear on the
screen for external
output (CRT-type
color monitor
screen).
EIS does not work. (B)
Check points
TL1534 [MAN-B] Can audio signal (SP_OUT+,
TL1535 [MAN-B] SP_OUT-) be confirmed?
TL6006 [MAN-B] Can audio signal (AUD-L,
TL6009 [MAN-B] AUD-R) be confirmed?
IC6101-1, 7, 8, 14 Can audio signal (MIC_INL,
[AEL-A] MIC_INR) be confirmed?
(Do not solder lead
wire)
TL6101 [AEL-B] Can audio signal (MIC_INL,
TL6102 [AEL-B] MIC_INR) be confirmed?
IC6201-3, 4 Can audio signal
[AEL-A] (EXTMIC_LCH,
(Do not solder lead EXTMIC_RCH) be
wire) confirmed?
----- This bright point will not
disappear even when "6-4-9
Spot Noise" is performed.
PG0154-1 [SHE] Can approx. 3.1 V DC (C3V)
be confirmed?
PG0154-3 [SHE] Can approx. 0 V DC
(GYRO_RST) be confirmed?
PG0154-2, 4 Can approx. 1.3 V DC be
[SHE] confirmed when the camera
is fixed, and can variation in
voltage be confirmed when
the camera is shaken?
4 - 33
Troubleshooting due to
Detail of check
Yes: Replace disc cover.
No:
Yes: Replace MAN-H/
No:
No:
Yes: IC6201 or its
No:
Yes: IC6201 or its
No:
With DZ-MV580E,
replace IC1001.
With DZ-MV550E,
replace lens unit.
No:
No:
Yes: Replace MAN-H/
No:
check results
IC6103 and its
peripheral circuits
are faulty.
MAN circuit board.
IC6103 and its
peripheral circuits
are faulty.
Built-in
microphone, or
IC6101 and its
peripheral circuits
are faulty.
peripheral circuits
are faulty.
Q6101-6104,
Q6108, Q6109,
Q6207, Q6208 or
their peripheral
circuits are
faulty.
peripheral circuits
are faulty.
Replace MAN-H/
MAN circuit
board.
Replace MAN-H/
MAN circuit
board.
Replace MAN-H/
MAN circuit
board.
MAN circuit
board.
Replace IC1401,
IC1402 or IC1403.