Toshiba RAS-M10YKV-E Service Manual page 73

No. Part name
Inverter 1. Detachment
assembly 1) Perform work of item 1 of
2) Remove screw (ST1TØ4 x 10 1 pc.) of the
3) Perform discharging by connecting + , – polarity
4) Remove screw (ST1TØ4 x 10 1 pc.) fixing the
5) Remove various lead wires from the holder at
6) Remove the lead wire from the bundled part at
7) Pull the inverter box upward.
8) Disconnect connectors of various lead wires.
Procedure
upper part of the front cabinet.
• If removing the inverter cover in this condition,
P.C. board can be checked.
• If there is no space in the upper part of the
upper cabinet, perform work of
Be careful to check the inverter because
high-voltage circuit is incorporated in it.
by discharging resistance (approx. 100Ω40W) or
plug of soldering iron to + , – terminals of the
C15 (printed "CAUTION HIGH VOLTAGE" is
attached.) electrolytic capacitor (500µF) on P.C.
board.
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 be-
tween + , – polarity with screwdriver, etc.
for discharging.
main body and the inverter box.
upper part of the inverter box and wiring holder
at right side of the terminal block.
left side of the terminal block.
Requirement :
As each connector has a lock mecha-
nism, avoid to remove the connector by
holding the lead wire, but by holding the
connector.
.
.
Discharging position
(Discharging period
10 seconds or more)
– 73 –
Remarks
Inverter cover
P . C. board
(Soldered surface)
Bundled
part
Terminal block
The connector is one with lock,
so remove it while pushing the
part indicated by an arrow.
The connector which is inserted
into terminal block is one with
lock. Be sure to remove the
connector by holding the connec-
tor, not by pulling the lead wire.
Plug of
soldering
iron
Holder