Canon PowrShot G5, Service Manual, Page: 47 / 161

CHAPTER 3. REPAIR INSTRUCTION
CONTENTS
1. Before Starting the Repair Work
1.1 Precaution on Flash High Tension Circuit ------------------------------------------------------------------------------- 3-1
1.2 List of Tools ----------------------------------------------------------------------------------------------------------------- 3-1
1.3 List of Supplies -------------------------------------------------------------------------------------------------------------- 3-1
1.4 Flexible Connectors --------------------------------------------------------------------------------------------------------- 3-2
2. Disassembly/Assembly
2.1 Procedure --------------------------------------------------------------------------------------------------------------------- 3-3
2.2 Removal of Main Parts/Units ---------------------------------------------------------------------------------------------- 3-4
2.2.1 FRONT COVER UNIT ------------------------------------------------------------------------------------------- 3-4
2.2.2 REAR COVER UNIT --------------------------------------------------------------------------------------------- 3-5
2.2.3 BATTERY LID UNIT, DATE BATTERY HOLDER ------------------------------------------------------- 3-6
2.2.4 SIDE COVER, CF COVER -------------------------------------------------------------------------------------- 3-7
2.2.5 TOP COVER ------------------------------------------------------------------------------------------------------- 3-8
2.2.6 SIDE COVER FRAME ------------------------------------------------------------------------------------------- 3-9
2.2.7 MAIN BARREL UNIT, MICROPHONE UNIT -------------------------------------------------------------3-10
2.2.8 MAIN PCB ASS’Y, MAIN SHEET ---------------------------------------------------------------------------3-11
2.2.9 EVF UNIT, SUB FRAME -------------------------------------------------------------------------------------- 3-12
2.2.10 REAR PLATE UNIT, CF UNIT -------------------------------------------------------------------------------3-13
2.2.11 FLASH/JACK UNIT, SPEAKER UNIT ----------------------------------------------------------------------3-14
2.2.12 DC/DC CONVERTER PCB ASS’Y, OPTICAL UNIT/FINDER UNIT -------------------------------- 3-15
2.2.13 OPTICAL UNIT, FINDER UNIT ----------------------------------------------------------------------------- 3-16
2.2.14 Assembling the FINDER UNIT ------------------------------------------------------------------------------- 3-17
2.2.15 BAT BOX UNIT, TRIPOD BASE -----------------------------------------------------------------------------3-18
2.3 Disassembly of Main Units -----------------------------------------------------------------------------------------------3-19
2.3.1 TOP COVER ------------------------------------------------------------------------------------------------------3-19
2.3.1.1 B/W LCD UNIT, TOP BUTTON 1,TOP BUTTON 2,TOP BUTTON 3 -------------------------- 3-19
2.3.1.2 B/W LCD WINDOW -------------------------------------------------------------------------------------3-20
2.3.1.3 MODE DIAL -----------------------------------------------------------------------------------------------3-21
2.3.1.4 ZOOM LEVER UNIT -------------------------------------------------------------------------------------3-22
2.3.1.5 ACCESSORY CONTACT UNIT ---------------------------------------------------------------------- 3-23
2.3.2 EVF UNIT -------------------------------------------------------------------------------------------------------- 3-24
2.3.2.1 LCD TOP COVER, HINGE UNIT ----------------------------------------------------------------------3-24
2.3.2.2 LCD FRAME COVER, LCD PANEL ------------------------------------------------------------------3-25
2.3.2.3 LCD PCB ASS’Y ------------------------------------------------------------------------------------------3-26
2.3.3 REAR PLATE UNIT ---------------------------------------------------------------------------------------------3-27
2.3.3.1 BUTTON PCB ASS’Y, EF SENSOR HOLDER ------------------------------------------------------3-27
2.3.4 CCD HOLDER, SHUTTER UNIT -----------------------------------------------------------------------------3-28
2.3.4.1 CCD HOLDER, SHUTTER UNIT ----------------------------------------------------------------------3-28
2.3.4.2 Assembling the CCD HOLDER, SHUTTER UNIT-1 ------------------------------------------------ 3-29
2.3.4.3 Assembling the CCD HOLDER, SHUTTER UNIT-2 ------------------------------------------------ 3-30
2.3.5 BAT BOX UNIT ------------------------------------------------------------------------------------------------- 3-31
2.3.5.1 HV MODULE UNIT, SLT HOLDER, LEAF SW UNIT, R/C HOLDER ------------------------- 3-31
2.3.5.2 HV MODULE UNIT, LEAF SW UNIT ----------------------------------------------------------------3-32
2.4 Screw List -------------------------------------------------------------------------------------------------------------------3-33