Noise Filter P.c. Board 2 (Mcc-1748) Replacement Procedure - Toshiba MMY-MUP0801HT8P-TR Service Manual

13-1-7. Noise Filter P.C. Board 2 (MCC-1748) Replacement Procedure

43T6W889: MMY-MUP1601*/1801*/2001*/2201/*2401*
Subject part
Included item:
MCC-1748 : 1pcs
Replacement Steps:
(1) Turn off the power supply of the outdoor
unit and wait at least 5 minutes for the
capacitor to discharge.
Remove all of the connector and
(2)
solderless terminal tab
(CN04,CN05,CN14,CN15,CN24)
screw terminal( : 9pcs), Line-Filter
which were connected to the Noise
Filter P. C. board. Solderless terminal
tab need to push lock pin.
(Remove the connectors by pulling the
connector body. Do not pull the wire.)
(3) Remove eight screws
( : 6pcs, : 2pcs).
(These screws are to be re-used after
procedure.)
(4) Remove the P.C. board from the four
spacers ( : 4pcs,
(5) Using a new spacer (
( ), attach the service board.
(6) Screw the Noise Filter P.C. board by the
eight screws ( , ) that were
removed in step (3).
(7) Re-connect the connectors and screw
terminals ( ), Line-Filter, solderless
terminal tab (CN04, CN05, CN14,
CN15, CN24).
Be sure that all the connectors and the
screw terminals are connected
correctly and securely inserted.
(10) If the components on the P.C. board
were bent during board replacement,
adjust it manually ensuring that it is
not short-circuited or contact other
parts.
(11) Install the cover, then turn on the
supply.
Check the operation.
The torque of the screws
Screw
Screw
Screw terminals
Spacer : 4pcs
: 2pcs).
, ), a bush
Solderless terminal
(CN24)
Solderless terminal
(CN15)
Solderless terminal
(CN14)
Solderless terminal
(CN04)
Solderless terminal
M3 × 18 0.6N• m
M4 × 8 1.2N• m
2.5N• m
M6 × 12
Spacer : 2pcs Bush : 6pcs
Noise Filter P.C. board
(43T6W889)
Spacer
Screw
Screw
Screw
Screw
Space r
Screw
Screw
(CN05)
- 297 -
Push
Lock pin
2pcs
Line-filters are
another service parts.
Is not included.
How to remove a Line-filter
a) Remove the solderless terminal tab.
(CN05, CN14, CN15, CN24)
b) Remove the screw terminal.
(CN01, CN02, CN03)
c) Remove the screw (CN11,
CN12, CN13), holding the
lower Line-filter(L01).
d) Remove the screw (CN21,
CN22, CN23), holding the
upper Line-filter (L02).
*L01 and L02 are the same parts.
Screw
Screw
Spacer
RED lead wire
(CN21)
WHITE lead wire
(CN22)
BLACK lead wire
(CN23)
Spacer
Line Filter (CN11)
Line Filter (CN12)
Line Filter (CN13)
Spacer
RED lead wire
(CN01)
WHITE lead wire
(CN02)
BLACK lead wire
(CN03)
Space r