Canon PowerShot A300, Service Manual

Page: 59 / 130

3-9
CHAPTER 3. REPAIR INSTRUCTION
Fig. 3-9 MAIN PCB ASS’Y-(1)
2.7 MAIN PCB ASS’Y-(1)
(1) MAIN PCB ASS’Y-(1)
1. Remove soldering and remove the two lead wires (black) and (red) coming form the FLASH UNIT.
*1
2. Remove soldering from the contactor of the lithium battery terminal.
CAUTION
Be careful of the direction of the lithium battery contactor.
3. Peel of the copper foil tape and remove connection of the M-S FFC.
NOTE1 (Assembling)
Attach the copper foil tape at the specified position.
4. Remove connection of the CCD FPC.
5. Remove connection of the OPT FPC.
6. Remove the three screws
c
and remove the MAIN PCB ASS’Y, the MAIN SHIELD 1 CASE, MAIN
SHIELD 2 CASE and MAIN SHIELD CASE together as one unit in the direction of the arrow.
NOTE2 (Assembling)
Align it with the two dowels that determine position of the MAIN FRAME.
METAL
M1.7
(SELF TAP)
XA4-9170-407
4.0mm
c
NOTE1 (Assembling)
Setting the position
during assembling
Setting the position
during assembling
NOTE2 (Assembling)
NOTE2 (Assembling)
CAUTION
(1)-2
Soldering
(1)-3
(1)-3
(1)-4
(1)-5
CCD FPC
OPT FPC
M-S FFC
5 mm
17 mm
(1)-6
(1)-6
Red
Red
Black
Black
MAIN PCB ASS’Y,
MAIN SHIELD 1 CASE,
MAIN SHIELD 2 CASE,
MAIN SHIELD 3 CASE
(1)-6
(1)-1 Soldering
(1)-3 Copper foil tape
c
c