Canon PowerShot G3, Service Manual

Page: 87 / 185

3-15
CHAPTER 3. REPAIR INSTRUCTION
Fig. 3-15 DC/DC CONVERTER PCB ASS’Y, OPTICAL UNIT/FINDER UNIT
(2)-3
q
(2)-1
(2)-2
(2)-5
q
CCD SPRING
DC/DC CONVERTER
PCB ASS'Y
OPTICAL UNIT/
FINDER UNIT
(2)-2
ZOOM GND
PLATE
ZOOM GND
PLATE
CCD
SPRING
MAIN FRAME
(2)-5
(2)-4
CAUTION
(1)-1
(1)-2
a
METAL
M1.7
CB1-1998-000
3.0mm
XA4-9170-359
BLACK
M1.7
(SELF TAP)
3.5mm
a q
Be careful not
to drop the
CCD SPRING.
Install the CCD SPRING as
shown in the illustration.
NOTE1 (Assembling)
NOTE2 (Assembling)
Setting the position
for reassembling
2.2.12 DC/DC CONVERTER PCB ASS’Y, OPTICAL UNIT/FINDER UNIT
(1) DC/DC CONVERTER PCB ASS’Y
1. Remove the three screws of
a
.
2. Slant the DC/DC CONVERTER PCB ASS’Y in the direction of the arrow, and remove it.
(2) OPTICAL UNIT/FINDER UNIT
1. Remove the screw of
q
.
2. Remove the ZOOM GND PLATE.
3. Remove the two screws of
q
.
4. Remove the OPTICAL UNIT/FINDER UNIT to the direction of the arrow.
5. Remove the CCD SPRING from the OPTICAL UNIT/FINDER UNIT.
CAUTION
Be careful not to drop the CCD SPRING.
NOTE1 (Assembling)
When installing the ZOOM GND PLATE, align it with the mark used for position setting of the MAIN
FRAME.
NOTE2 (Assembling)
Insert the CCD SPRING in the OPTICAL UNIT/FINDER UNIT, and hold it down with the MAIN FRAME.