Inverter Assembly Replacement - Toshiba RAS-B10N3KV2-E Service Manual

No. Part name
ƒ
Inverter 1) Perform work of item 1 in
assembly
2) Remove screw (ST1TØ4 × 10L 2 pcs.) of the
3) Perform discharging by connecting
4) Remove screw (ST1T∅4 x 10L 4pcs.) fixing
5) Remove the front cabinet by performing step
6) Remove various lead wires from the holder
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 above the unit, perform
‚
work of 1 in .
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 a of the C14 (printed "CAUTION
HIGH VOLTAGE" is attached.) electrolytic
capacitor (760µF or 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
between ,
the terminal part of inverter box to the main
body.
k
1 in , and remove the fixing screws
(ST1T∅4 x 10L) for securing the main body
and inverter box.
at upper part of the inverter box.
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)
,
− −
93
FILE NO. SVM-12050
Remarks
Inverter cover
P.C. board
(Soldered surface)
Partition
The connector is one with lock,
so remove it while pushing the
part indicated by an arrow.
Be sure to remove the connector
by holding the connector, not by
pulling the lead wire.
Plug of
soldering
iron
Terminal
block