![background image](http://html.mh-extra.com/html/mitsubishi/s290u/s290u_service-manual_1809589026.webp)
3. Removal of MAIN PCB ASSY
1. Remove the Front Case Unit following “1.Removal of
FRONT CASE UNIT”.
2. Remove the Top Case Assy following “2. Removal of
TOP CASE ASSY”.
3. Remove the five (
a
) screws, the (
b
) screw and the (
c
)
screw and the Terminal Board as shown in Fig. 3-2-1.
4. Remove the two (
d
) screws and the (
e
) nut as shown
in Fig. 3-2-2.
5. Remove the Main Barrier as shown in Fig. 3-2-3.
6. Remove the two (
f
) screws and the Cooling Cover Top
as shown in Fig. 3-2-3.
7. Remove the eight (
g
) screws, the eleven connectors
(SC, SR, SG, SB, SP, SD, SA, SF, SL, SM and SZ) and
the MAIN PCB ASSY as shown in Fig. 3-2-3.
f
x2
g
SP
SF
SA
SM
SD
SZ
SB
SC
SL
SG
x8
SR
e
x1
d
x2
a
x5
b
x1
c
x1
Terminal Board
Fig. 3-2-1
Main Barrier
MAIN PCB ASSY
Cooling Cover Top
Fig. 3-2-3
Fig. 3-2-2
11
Summary of Contents for S290U
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Page 180: ...113 SYMBOL NO ADDRESS X7A1 A 3 PCB MAIN COMPONENT SIDE ...
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