Toshiba RAS-B10EKVP-E Service Manual page 63

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Precautions when inspecting the control section of the outdoor unit
NOTE :
A large-capacity electrolytic capacitor is used in the outdoor unit controller (inverter). Therefore, if the power
supply is turned off, charge (charging voltage DC280 to 380V) remains and discharging takes a lot of time. After
turning off the power source, if touching the charging section before discharging, an electrical shock may be
caused. Discharge the electrolytic capacitor completely by using soldering iron, etc.
< Discharging method >
(1) Remove the inverter cover (plating) by opening four mounting claws.
(2) As shown below, connect the discharge resistance (approx. 100Ω40W) or plug of the soldering iron to voltage
between + – terminals of the C14 ("CAUTION HIGH VOLTAGE" is indicated.) electrolytic capacitor (500µF/
400V) on P.C. board, and then perform discharging.
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Discharging position
Plug of
(Discharging period
soldering iron
10 seconds or more)
Fig. 11-1
– 63 –
Inverter cover
P . C. board
(Soldered surface)