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VDR-M70EG / VDR-M70EB / VDR-M70GC / VDR-M50EG / VDR-M50EB / VDR-M50GC
Symptom
DISC EJECT
button does not
operate
REC button does
not operate
Left button/
joystick does not
operate
QUICK MODE
switch does not
operate
No image on LCD
monitor
No image in
viewfinder (EVF)
Block noise
appears during
video recording
Camera recorded
image is abnormal
No image from AV
input/output
terminal
Downloaded From CamcorderManual.com Panasonic Manuals
Service
Check points
position
TL1547 [MAN-B]
TL0522 [MAN-A]
TL7030 [AEL-B]
TL7028 [AEL-B]
-----
-----
TL3418 [LCD]
TL3715 [AEL-B]
Close LCD
monitor
-----
-----
TL2084 [MAN-A]
TL2085 [MAN-A]
TL2086 [MAN-A]
TL2089 [MAN-A]
TL2090 [MAN-A]
TL2091 [MAN-A]
TL2095 [MAN-A]
TL2082 [MAN-A]
-----
-----
TL6010 [MAN-B]
Detail of check
Can change in voltage be
confirmed when button is
operated (EJECT SW)?
Can change in voltage be
confirmed when button
(REC) is pressed?
Can change in voltage be
confirmed when button/
joystick (KEY1) is moved?}
Can change in voltage be
confirmed when switch
(KEY2) is moved?
Does backlight turn on?
Can approx. 5 V DC (INV5V)
be confirmed?
Can video signal (EVF-G) be
confirmed?
----------
Can sensor drive pulses (V1-
4, H1, H2, RG) be confirmed?
V1 & V3 Pulse
V2 & V4 Pulse
15
0
0
-7
-7
Can video signal (CCD-OUT)
be confirmed?
Does image appear on LCD
monitor or in EVF?
Can video signal (VIDEO) be
confirmed?
52
Troubleshooting due to
check results
Yes: Replace MAN-H/
MAN circuit board.
No:
Replace rear cover.
Yes: Replace MAN-H/
MAN circuit board.
No:
Side case-L or parts
on the SWL2 circuit
board faulty.
Yes: Replace MAN-H/
MAN circuit board.
No:
Replace SW8017 on
SWL3 circuit board.
Yes: Replace LCD unit.
Yes: Q3451 or Q3452
and its peripheral
circuits are faulty.
No:
Replace MAN-H/
MAN circuit board.
Yes: Replace EVF unit.
No:
Replace IC3701.
Replace MAN-H/MAN
circuit board.
No:
Replace MAN-H/
MAN circuit board.
H1 & H2 Pulse
RG Pulse
3.3
13.3
0
10.0
Yes: Replace MAN-H/
MAN circuit board.
No:
With VDR-M70,
replace IC1001.
With VDR-M50,
replace lens unit.
No:
Replace MAN-H/
MAN circuit board.
Yes: Replace MAN-H/
MAN circuit board.
No:
IC6103 and its
peripheral circuits
are faulty.
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Table of Contents
Troubleshooting
