4 - 30
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
Camera recorded image is abnormal
Is camera recorded
image output?
TL0523 (C15/12V):
12V or 15V DC
( *1)
Replace D0508 or
D0509.
(*2)
IC0502-26: 7V DC
Replace IC0502.
Replace Q0511.
*2: Replace D0508 for DZ-GX20A; D0509 for other models.
Set to service position (A).
TL0525 (C8.5V):
8.5V DC
TL2001 (CCD_OUT1):
CCD output signal?
Replace the MAN
circuit board.
TL2002 (RG),
TL2004 (H2),
TL2005 (H1):
Pulses
Replace IC2004.
Replace IC1001
(CCD image sensor).
Replace IC2001.
TL2009 (V3), TL2010 (V4),
TL2012 (V2), TL2013 (V1):
Pulses
0
15
-7
0
-7
V1 & V3 pulses
V2 & V4 pulses
H1 & H2 pulses
0
RG pulse
10.0
13.3
3.3
*1: 12 V DC for DZ-GX20A; 15 V DC for other models.
Remove the MAN circuit
board and solder a lead
wire to check points
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
3B
4C
Need
3B
Need not
3B
3B
3C
TL0523
MAN (A)
TL2001
TL2002
TL2004
MAN (B)
TL2005
MAN (A)
MAN (A)
MAN (A)
TL2009
TL2010
TL2012
MAN (A)
TL2013
MAN (A)
MAN (A)
MAN (A)
1B
TL0525
MAN (A)
3B
3C
3B
IC0502-26
MAN (B)
5E
Need not
Need
Need
Need
Need
Need
Need
Need
Need
Troubleshooting > Trouble Diagnosis