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Troubleshooting > Trouble Diagnosis
No improvement
DZ-GX3300E
Other
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Camera recorded image is abnormal
Set to service position (A).
0
15
-7.5
0
-7.5
V1 & V3 pulses
V2 & V4 pulses
H1 & H2 pulses
0
RG pulse
3.3
Remove the GSL-3M
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
7C
2D
Need
2D
Need
2D
2D
2D
TL7021
MAN (B)
IC1000-1
IC1000-3
IC1000-4
GSL-3M (B)
IC1000-5
IC1000-6
IC1000-7
IC1000-14
IC1000-19
7C
TL7028
MAN (B)
1D
1D
1D
IC1000-22
2D
Need
Need
Need
Need
Need
Need
Need not
Need not
Select the model
TL7028 (C5V): 5V DC
TL7021 (C3V): 3V DC
Refer to “Power does not
turn on.”
Refer to “Power does not
turn on.”
IC1000-1 (C15/C12V):
15V DC
Refer to “Power does not
turn on.”
IC1000-19 (H1),
IC1000-22 (H2):
Pulses
Replace the GSL-3M
circuit board.
IC1000-24 (RG):
Pulse
Replace the IC2103 or
GSL-3M circuit board.
IC1000-3 to 6
(V1 to V4):
Pulses
Replace the IC2003.
IC1000-7 (VST),
IC1000-8 (VHOLD):
Pulse
Replace the IC2004.
2
IC1000-14 (CCD OUT1),
IC1000-26 (CCD OUT2):
CCD output signals
2
Replace the IC1000
(CCD image sensor).
Replace the GSL-3M
circuit board.
Replace the MAN
circuit board.
IC1000-24
IC1000-26
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
GSL-3M (B)
Need
Need
Need
2D
2D
1
IC1000-17 (HL):
Pulses
Replace the GSL-3M
circuit board.
IC1000-17
1D
Need
GSL-3M (B)
IC1000-8
1D
Need
GSL-3M (B)
3.3
0
HL pulses
0
-7.5
VST & VHOLD
pulses
