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Disassembly; Rear Board Removal; Chassis Assy Removal; Service Position - Sony KP-XR432K90 Service Manual

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2-1. REAR BOARD REMOVAL

2-2. CHASSIS ASSY REMOVAL

2 Chassis assy
SECTION 2

DISASSEMBLY

2 Rear board
1 Nine screws
(Screw, tapping haxagon head)
1 Three screws
(Screw, tapping haxagon head)

2-3. SERVICE POSITION

1 Disconnect CN203
on A board.
From CG board CN1304.
(The extension cable is not
supplied because of the
A board
countermeasure for radiation.)
CN203
G board
Chassis assembly

2-4. HA AND HB BOARD REMOVAL

8 HB board
7 Three screws
(+BVTP 3x12)
4 HA bracket
Panel ASSY, Control
– 7 –
KP-XR432K90/XR432N90
RM-Y906K
2 Covers
Cut them off with a plier or the like
from chassis assembly in case of
checking printed circuit boards.
After checking, turn over the covers
and secure them with screws.
Screws
(+BVTP3x12)
1 Four screws
(Screw, tapping haxagon head)
2
3 Four screws
(+BVTP 3x12)
6 HA board
5 Three screws
(+BVTP 3x12)
RM-Y906

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Troubleshooting

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