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Troubleshooting > Trouble Diagnosis
No improvement
DZ-GX3200E
DZ-GX3100E or
DZ-BX37E/BX35E
/MV4000E
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Set to service position (A).
Remove the GSL-2M
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
3D
Need
3D
Need
3D
3D
4C
TL7021
MAN (B)
IC1051D-1
IC1051D-2
IC1051D-3
GSL-2M (A)
IC1051D-4
IC1051D-10
IC1051D-12
IC1051D-13
IC1051D-14
7C
TL7028
MAN (B)
3C
3C
3C
IC1051D-15
3C
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.”
IC1051D-12
(C15/C12V):
12V DC
Refer to “Power does not
turn on.”
IC1051D-14 (H1),
IC1051D-15 (H2):
Pulses
Replace the GSL-2M
circuit board.
IC1051D-16 (RG):
Pulse
Replace the GSL-2M
circuit board.
IC1051D-1 to 4
(V1 to V4):
Pulses
Replace the IC2003D.
IC1051D-13 (HL):
Pulse
Replace the GSL-2M
circuit board.
4
IC1051D-10 (CCD OUT1),
IC1051D-18 (CCD OUT2):
CCD output signals
4
Replace the IC1051D
(CCD image sensor).
Replace the GSL-2M
circuit board.
Replace the MAN
circuit board.
IC1051D-16
IC1051D-18
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
GSL-2M (A)
Need
Need
Need
3C
3C
3
1
0
15
-7.5
0
-7.5
V1 & V3 pulses
V2 & V4 pulses
H1 & H2 pulses
0
RG pulse
3.3
3.3
0
HL pulses