Canon PowerShot G2, Service Manual, Page: 46 / 155

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. Areas where supplies are used
Screwdriver (Local Purchase)
Tweezers (Local Purchase)
Soldering iron (Local Purchase)
Steel wire (
φ
1.2mm) (Local Purchase) FINDER UNIT
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. Areas where supplies are used
ADHESIVE TAPE, SONY T4000 CY4-6012-000 Fixing the flexible cable
DIA BOND No.1663G CY9-8129-000 Attaching the parts together
CEMEDINE SUPER X CY9-8118-000 FLASH/SPEAKER UNIT
THREE BOND 1401C CY9-8011-000 ACC. SHOE
LOGENEST RAMBDA A-74 CY9-8102-000 MODE DIAL
Solder (Local Purchase)
FLASH UNIT
+ terminal
– terminal