Canon PC400 Service Manual - Page 183

E, Control Panel PCB, E, Table 10-601E

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2. Control Panel PCB a. PC420/430/FC220 CHAPTER 10 TROUBLESHOOTING 1 VR602 VR603 VR604 21 22 J601 7 J611 1 1 2 1 J621 J603 4 5 4 1 5 b. PC400/FC200 Figure 10-602E VR604 17 J601 1 7 J611 1 18 2 J621 J603 1 Figure 10-603E VR Description VR602 Use it to adjust the AE offset (use it only after replacing the scanning lamp unit, intensity sensor, AE sensor, or control panel PCB). VR603 Use it to adjust the AE gain (use it only after replacing the scanning lamp unit, intensity sensor, AE sensor, or control panel PCB). VR604 Use it to adjust the light intensity (use it only after replacing the scanning lamp unit, intensity sensor, AE sensor, or control panel PCB). Table 10-601E COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-39

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COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
10-39
Figure 10-603E
VR603 VR604
VR602
J601
J611
21
22
1
2
7
1
J621
4
1
J603
5
1
VR604
J601
J611
17
18
1
2
7
1
J621
4
1
J603
1
5
VR
Description
VR602
Use it to adjust the AE offset (use it only after replacing the scanning lamp unit, intensity
sensor, AE sensor, or control panel PCB).
VR603
Use it to adjust the AE gain (use it only after replacing the scanning lamp unit, intensity
sensor, AE sensor, or control panel PCB).
VR604
Use it to adjust the light intensity (use it only after replacing the scanning lamp unit, intensity
sensor, AE sensor, or control panel PCB).
2.
Control Panel PCB
a.
PC420/430/FC220
Figure 10-602E
b.
PC400/FC200
Table 10-601E