Canon Digital ELPH, Service Manual, Page: 85 / 166

1
1. Before Starting the Repair Work
Be sure to read the following precautions before starting the repair work.
1.1 Precautions on Flash High Voltage Circuit
•
After the FLASH 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 a high voltage circuit.
1.2 List of Tools
The following tools are used for the re-assembling during service.
List of tools
New Name of tools Part No. Remarks
Screwdriver (Local Purchase)
Tweezers (Local Purchase)
1.3 List of Supplies
The following supplies are used for the re-assembling during service.
List of supplies
New Name of supplies Part No. Remarks
ADHESIVE TAPE, SONY T4000 CY4-6012-000 Double-sided tape (0.15mm
×
6mm
×
50m)
ADHESIVE TAPE, 3M NO. 56 CY4-6018-000 Electric insulation tape
BOND, DIABOND NO.1663G BLACK CY9-8129-000 200ml
* TAPE, DOUBLE SIDED (NO.531) CY9-4505-000 Double-sided tape (0.06mm
×
10mm
×
5m)
Fig. 1 Precautions on Flash High Voltage Circuit
FLASH UNIT
Discharge points
TAPE
MAIN
CAPACITOR