CH3E.pdf

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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
 
3. Adjustments
3.1 Replacement Parts and Adjustment Items ----------------------------------------------------------------------------- 3-34
3.2 Adjustment Tools ----------------------------------------------------------------------------------------------------------3-35
3.3 Before Starting Electrical Adjustments --------------------------------------------------------------------------------- 3-36
3.3.1 TWAIN Driver Installation --------------------------------------------------------------------------------------3-36
3.3.2 Factory Mode Driver Installation -------------------------------------------------------------------------------3-36
3.3.3 Adjustment Software Installation -------------------------------------------------------------------------------3-38
3.3.4 Preparation -------------------------------------------------------------------------------------------------------- 3-39
3.3.5 Starting up the Adjustment Software ---------------------------------------------------------------------------3-40
3.3.6 Menu Window -----------------------------------------------------------------------------------------------------3-40
3.3.7 How to Use the Adjustment Software ------------------------------------------------------------------------- 3-40
3.4 Calibration ----------------------------------------------------------------------------------------------------------------- 3-41
3.4.1 Calibration -------------------------------------------------------------------------------------------------------- 3-41
3.5 Adjustment Procedure -----------------------------------------------------------------------------------------------------3-46
3.5.1 CCD Adjustment ------------------------------------------------------------------------------------------------- 3-46
3.5.2 Optical Unit Adjustment ---------------------------------------------------------------------------------------- 3-48
3.5.3 Imaging Process Adjustment ------------------------------------------------------------------------------------ 3-50
3.5.4 Color Adjustment -------------------------------------------------------------------------------------------------3-53
3.5.5 Pixel Dot Adjustment -------------------------------------------------------------------------------------------- 3-55
3.5.6 LCD Adjustment ------------------------------------------------------------------------------------------------- 3-57
3.5.7 Flash Adjustment -------------------------------------------------------------------------------------------------3-58
3.5.8 Checking of sound recording/output ---------------------------------------------------------------------------3-60
CHAPTER 3. REPAIR INSTRUCTION
1. Before Starting the Repair Work
Be sure to read the following precaution before starting the repair work.
1.1 Precaution on Flash High Tension Circuit
• When the FRONT COVER UNIT is removed, be sure to discharge the main capacitor.
(Discharging resistor: 1 k
Ω
CAUTION:
Be careful of electric shock because the circuit is the high tension circuit.
FLASH/JACK UNIT
+ terminal
– terminal
Fig. 3-1 Precaution on flash high tension circuit
1.2 List of Tools
The following tools are used for the re-assembling during service.
(1) List of tools
New Name of tools
Part No.
Remarks
Screwdriver (Local Purchase)
Tweezers (Local Purchase)
Soldering iron (Local Purchase)
1.3 List of Supplies
The following supplies are used for the re-assembling during service.
(1) List of supplies
New Name of supplies
Part No.
Remarks
ADHESIVE TAPE, SONY T4000
CY4-6012-000
Fixing the flexible cable
DIA BOND No.1663G
CY9-8129-000
Attaching the parts together
INSULATION TAPE 3M No.56
CY4-6018-000
Used for SIDE COVER FRAME
LOGENEST RAMBDA A-74
CY9-8102-000
Used when exchanging MODE DIAL,
ZOOM LEVER UNIT
THREE BOND 1401C
CY9-8011-000
ACC. SHOE
Solder (Local Purchase)
3-1
, approx. 5 W.)
• First contact the GND terminal of the main capacitor with the discharging resistor. Then contact the
positive terminal of the main capacitor.
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CHAPTER 3. REPAIR INSTRUCTION
1.4 Flexible Connectors
This product uses the five types of the flexible connectors.
1 Type A
Unconnected state
Connected state
2 Type B
Unconnected state
Connected state
3 Type C
LOCK
UNLOCK
The contact-piece
should face
downwards
Unlocked state
Locked state
4 Type D
UNLOCK
LOCK
The contact-piece
should face
downwards
Unlocked state
Locked state
5 Type E
UNLOCK
LOCK
The contact-piece
should face
upwards
Unlocked state
Locked state
Fig. 3-2 Flexible connectors
Holes
CAUTIONS:
1. For the connectors of Type C, Type D and Type E, set them to the
unlocked state before removing and inserting flexible card. After flex-
ible card is inserted, set them to the locked state.
2. The flexible card is equipped with the holes as shown. Use them for
removal and insertion by inserting the tweezers into them as required.
Fig. 3-3 Holes for removal
3-2
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CHAPTER 3. REPAIR INSTRUCTION
2. Disassembly/Assembly
2.1 Procedure
Disassembling procedure of PowerShot G5 is shown by the following flowchart.
Reverse the disassembling procedure to reassemble them.
∗
The pages to refer are shown in parenthesis ( ).
FRONT COVER UNIT
(3-4)
REAR COVER UNIT
(3-5)
BATTERY LID UNIT,
DATE BATTERY HOLDER
(3-6)
B/W LCD UNIT,
TOP BUTTON1,TOP BUTTON2, (3-19)
TOP BUTTON3
SIDE COVER, CF COVER
(3-7)
B/W LCD WINDOW
(3-20)
TOP COVER
(3-8)
MODE DIAL
(3-21)
SIDE COVER FRAME
(3-9)
ZOOM LEVER UNIT
(3-22)
MAIN BARREL UNIT,
MICROPHONE UNIT
(3-10)
ACCESSORY CONTACT UNIT (3-23)
CAUTION
Be careful
high tension
LCD TOP COVER ,
HINGE UNIT
MAIN PCB ASS'Y,
MAIN SHEET
(3-11)
(3-24)
EVF UNIT,
SUB FRAME
(3-12)
LCD FRAME COVER,
LCD PANEL
(3-25)
LCD PCB ASS'Y
(3-26)
REAR PLATE UNIT,
CF UNIT
(3-13)
BUTTON PCB ASS'Y,
EF SENSOR HOLDER
(3-27)
FLASH/JACK UNIT,
SPEAKER UNIT
(3-14)
DC/DC CONVERTER PCB
ASS'Y
CCD HOLDER UNIT,
SHUTTER UNIT
(3-28)
(3-15)
OPTICAL UNIT/FINDER UNIT
Assembling the
CCD HOLDER UNIT,
(3-29)
OPTICAL UNIT, FINDER UNIT (3-16)
SHUTTER UNIT-1
Assembling
the FINDER UNIT
Assembling the
CCD HOLDER UNIT,
(3-30)
(3-17)
SHUTTER UNIT-2
BAT BOX UNIT,
TRIPOD BASE
HV MODULE UNIT,
SLT HOLDER,
(3-31)
(3-18)
LEAF SW UNIT, R/C HOLDER
HV MODULE UNIT,
LEAF SW UNIT
(3-32)
3-3
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