Disassembly Instructions - Mitsubishi Electric MSC-GA20VB- E1 Service Manual

10

DISASSEMBLY INSTRUCTIONS

<"Terminal with locking mechanism" Detaching points>
The terminal which has the locking mechanism can be detached as shown below.
There are two types ( Refer to (1) and (2)) of the terminal with locking mechanism.
The terminal without locking mechanism can be detached by pulling it out.
Check the shape of the terminal before detaching.
(1) Slide the sleeve and check if there is a locking lever or not.
Sleeve
Locking lever
MSC-GA20VB -
E1
INDOOR UNIT
OPERATING PROCEDURE
1. Removing the front panel
(1) Remove the screw caps of the front panel.
Remove the screws.
(2) Pull the panel down to your side slightly and unhook the
catches at the top.
2. Removing the electronic control P.C. board and the
power monitor, receiver P.C. board
NOTE : In case of removing only indoor electronic control
P.C. board, work (3) is not necessary.
(1) Remove the front panel. (Refer to 1.)
(2) Remove the power monitor, receiver P.C. board holder
from the bottom of electrical box.
(3) Open the power monitor, receiver P.C. board holder and
remove the power monitor, receiver P.C. board.
(4) Remove the screw of the electrical cover and the electrical
cover.
(5) Remove the screw of the V.A. clamp and the V.A. clamp.
(6) Remove the screw of the cord clamp and the cord clamp.
(7) Remove the screw of the terminal block.
(8) Remove the screw of the ground wire.
(9) Pull out indoor electronic control P.C. board slightly.
(10) Disconnect all (except CN101) the connectors on the elec-
tronic control P.C. board.
(11) Remove the electronic control P.C. board.
(12) Disconnect the connector of power monitor, receiver P.C.
board (CN101) on the electronic control P.C. board.
1Slide the sleeve.
2Pull the terminal while
pushing the locking
lever.
MSC-GA25VB -
E1
(2) The terminal with this connector has the locking
mechanism.
MSC-GA35VB -
E1
Photo 1
Photo 2
Screw of the
ground wire
Power monitor, receiver
P.C. board holder
18
1Hold the sleeve, and
pull out the terminal
slowly.
Connector
PHOTOS
Screws of the front panel
Terminal block
fixing screw
Indoor electronic
control P.C. board
Cord clamp fixing
screw
Screw of the V.A.
clamp
Screw of the
electrical cover