Technical information

MECHANICALSYSTEM m
B. Blank Exposure Unit
1. Construction
2. Re-Exposure PCB
1) Remove the rear cover.
2) Disconnect the connector (J731) from the pre-
exposure PCB.
3) Hold thepre-exposure PCB using a wrench, and
pull it straight up; take care not to damage the
PCB and elements on it.
3. Blank Exposure Unit
1) Remove the copyboard glass, lens cover, rear
cover, drum unit, and developing assembly.
2) Mark the blank exposure shutter home position
sensor on the lens mount using a scriber, and
remove it.
@ Sensor
Figure 4-57
3) Disconnect the connector (J731) from the pre-
exposure PCB.
I
J
h-
4
2
@ Connector
@ HVT
Figure 4-58
4) Holdtheblankexposureunitfrombelow, remove
thethreemounting screws, andpull ittothefront
to remove.
0 Mounting screws
Figure 4-59
COPYAIGHT 0 1992 CANON ING.
CANON NPZl20/2MO AN. MAY 1990 PRINTEG IN JAPAN IIMPAIME AU JAPONI
4-l 9