Discharging Of The Flashlight Power; Supply Capacitor - Sony DCR-HC90 Service Manual

4. DISCHARGING OF THE FLASHLIGHT POWER SUPPLY CAPACITOR
The power supply capacitor (ST-114 board C8404, 8405) of the flash are charged up to the maximum 300V potential.
There is a danger of electric shock by this high voltage when the capacitors are handled by hand. The electric shock is caused by the charged
voltage which is kept without discharging when the main power of the unit is simply turned off. Therefore, the remaining voltage must be
discharged as described below.
4-1. PREPARING THE SHORT JIG
To preparing the short jig, a small clip is attached to each end of a resistor of 1k /1W (1-215-869-11)
Wrap insulating tape fully around the reads of the resistor to prevent electric shock.
4-2. DISCHARGING THE CAPACITOR
1 Open the cabinet (G) assembly.
2 Remove the cabinet top.
3 Connect the CL8404 (Check land of discharge) on the ST-114 board and the MD frame by using the short jig for about 10 seconds.
DCR-HC90/HC90E
1 k /1 W
Wrap insulating tape
Shorting jig
(1k / 1w)
ST-114 board
CL8404
(Check land of discharge)
MD frame
Capacitor
1-3
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ENGLISH JAPANESE