Canon PowerShot G5 Service Manual - Page 49

Before Starting the Repair Work, Precaution on Flash High Tension Circuit, List of Tools

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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 kΩ, 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. 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 Screwdriver (Local Purchase) Tweezers (Local Purchase) Soldering iron (Local Purchase) Part No. Remarks 1.3 List of Supplies The following supplies are used for the re-assembling during service. (1) List of supplies New Name of supplies ADHESIVE TAPE, SONY T4000 DIA BOND No.1663G INSULATION TAPE 3M No.56 LOGENEST RAMBDA A-74 Part No. CY4-6012-000 CY9-8129-000 CY4-6018-000 CY9-8102-000 THREE BOND 1401C Solder (Local Purchase) CY9-8011-000 3-1 Remarks Fixing the flexible cable Attaching the parts together Used for SIDE COVER FRAME Used when exchanging MODE DIAL, ZOOM LEVER UNIT ACC. SHOE

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3-1
CHAPTER 3.
REPAIR INSTRUCTION
Fig. 3-1 Precaution on flash high tension circuit
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
, 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.
CAUTION:
Be careful of electric shock because the circuit is the 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)
FLASH/JACK UNIT
+
terminal
–
terminal