15-383 CCD AGC
Automatic Gain Control (AGC) for CCD Channel 4 green failed.
Initial Actions
•
Verify that the Platen Glass is installed correctly
•
Verify that NVM location 715-400 = 1
Procedure
Enter
dC330
[6-002] and press Start. The Exposure Lamp illuminates.
Y
N
Go to the
6-371
RAP.
The Exposure Lamp illumination is bright and steady.
Y
N
Go to
P/J722 (Figure
2) and
P/J724 (Figure
circuit.
Verify that
P/J742
on the Lamp Ballast PWB and
If the wires and connectors are good, replace the Exposure Lamp
If the problem continues, replace the Lamp Ballast PWB
If the problem continues, replace the IIT/IPS PWB
Remove the Platen Glass
(REP
6.2). The white reference strip on frame under the Regis-
tration Gate is clean and undamaged.
Y
N
Clean the white reference strip.
Go to
P/J721 (Figure
3) on 6.2 and check the flat cable on the IIT/IPS PWB and
CCD PWB for damage. Reseat the flat cable.
If the problem continues, replace the Lens Kit
If the problem continues, replace the IIT/IPS PWB
Initial issue
DC 3535/2240/1632
(REP
6.2).
1) and check the wires for an open or short
P/J724
on the IIT/IPS PWB are seated.
(PL
18.6).
(PL
18.6).
(PL
18.3).
P/J741
(PL
18.4).
(PL
18.3).
Figure 1 15-383 RAP Circuit Diagram - Lamp Ballast
on the
Figure 2 15-383 RAP Circuit Diagram - IPS Fan
02/03
2-307
Status Indicator RAPs
15-383