Before Starting The Repair Work; Precaution On Flash High Tension Circuit; List Of Tools; List Of Supplies - Canon PowerShot A300 Service Manual

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
positive terminal of the main capacitor.
CAUTION:
Be careful of electric shock because the circuit is the high tension circuit.
(Discharging resistor:
Around 1k-ohms,
approx. 5 W.)
ELECT. CAPASITOR
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 (commercially available on market)
Tweezers (commercially available on market)
Soldering iron (commercially available on market)

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
ADHESIVE TAPE, 3M No. 56
DIA BOND No. 1663G
Soldering iron (commercially available on market)
terminal of the main capacitor with the discharging resistor. Then contact the
terminal
Orange
Gray
terminal
Part No.
Part No.
CY4-6012-000
CY4-6018-000
CY9-8129-000
3-1
CHAPTER 3. REPAIR INSTRUCTION
ELECT. CAPASITOR
FLASH UNIT
Areas where supplies are used
Areas where supplies are used
Double-sided Tape
Insulation Tape