Toshiba HWT-602S21SM3W-E(TR) Service Manual page 220

Exchange
No.
parts name
③
"How to check outdoor control board"
Inverter
assembly
1) Perform step
2) Remove the fixing screws (Φ4 × 8, 2 screws)
3) Perform discharging by connecting
Work procedure
②
in "Detachment (Inverter)".
for securing the motor base and the inverter
box.
WARNING
Be careful to check the inverter because
high-voltage circuit is incorporated in it.
polarity by discharging resistance (approx.
100Ω40W) or plug of soldering iron to
terminals of C10 (printed "WARNING HIGH
VOLTAGE" is attached.) electrolytic capacitor
(500μF) on P.C. board.
WARNING
Be careful to discharge the capacitor
because the electrolytic capacitor cannot
naturally discharge and voltage remains
according to trouble type in some cases.
NOTE
This capacitor is one with mass capacity.
Therefore, it is dangerous that a large spark
generates if short-circuiting between
Inverter box
,
 
,
 
, .
 
219
Remarks
PL-COVER-PCB
Partition plate
Inverter cover
Plug of
soldering iron
Discharging
position
(Discharging
period 10
seconds
or more)