Toshiba RAV-SM563UT-E Service Manual page 136

No. Part name
ƒ
1. Detachment
Inverter
assembly
1) Perform work of item 1 of
2) Take off screws of the upper part of the
3) Perform discharging by connecting
4) Take off screws (ST1T Ø4 × 10L, 2 pcs.)
5) Remove various lead wires from the
6) Remove the lead wire from the bundled
7) Pull the inverter box upward.
8) Disconnect connectors of various lead
Procedure
front cabinet.
• If removing the inverter cover under this
condition, P.C. board can be checked.
• If there is no space in the upper part of
the upper cabinet, perform work of
CAUTION
Be careful to check the inverter because
high-voltage circuit is incorporated in it.
polarities by discharging resistance
(approx. 100Ω, 40W) or plug of soldering
–
+
iron to , terminals of the C14
(printed as "CAUTION HIGH VOLTAGE")
electrolytic capacitor (500µF) of P .C.
board.
WARNING
The electrolytic capacitor may not nor-
mally discharge according to error con-
tents and the voltage may remain. There-
fore, be sure to discharge the capacitor.
WARNING
For discharging, never use a screwdriver
and others for short-circuiting between
–
and electrodes. As the electrolytic
capacitor is one with a large capacity, it is
very dangerous because a large electric
spark will occur.
fixing the main body and the inverter box.
holder at upper part of the inverter box
and wiring holder at right side of the
terminal block.
part at left side of the terminal block.
wires.
REQUIREMENT
As each connector has a lock mechanism,
avoid to remove the connector by holding
the lead wire, but by holding the connector.

.
‚
.
+ –
,
+
– 136 –
Remarks
Screws
Front cabinet
Inverter cover
Cord clamp
Screws
Plug of
soldering iron
Discharging
position
(Discharging
period
10 seconds
or more)
Inverter
assembly
Remove the connectors
with locking function by
pushing the part indicated
by the arrow mark.