Disassembly; Rear Board Removal; Chassis Assy Removal; Service Position - Sony KP 48S75 Service Manual

2-1. REAR BOARD REMOVAL

1 Nine screws (Except KP-43T75)
Eight screws (KP-43T75)
(Screw(4x20), tapping)

2-2. CHASSIS ASSY REMOVAL

2 Chassis assy
SECTION 2

DISASSEMBLY

2 Rear board
1 Three screws
(Screw(4x20),tapping)
– 33 –

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
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.
Chassis assembly
2-4. HA BOARD AND HB BOARD REMOVAL
(EXCEPT KP-43T75)
6 Four screws
(+BVTP 4x12)
8 Three screws
7 HB bracket
(+BVTP 3x12)
9 HB board
1 Two screws
(Screws (4x20), tapping)
KP-43T75/48S75/
53N77/53S75/61S75
RM-Y906
Screws
(+BVTP3x12)
2 Two screws
(+BVTP 4x12)
3 HA bracket
4 Multi button
5 HA board
Speaker grille assy