Disassembly; Rear Board Removal; Chassis Assy Removal; Service Position - Sony KP-43T70K Service Manual

KP-43T70K/43T70T/48VS70K/53VS70K/53VS70T
RM-Y906K RM-Y906

2-1. REAR BOARD REMOVAL

1 Nine screws (Except KP-43T70K/43T70T)
Eight screws (KP-43T70K/43T70T)
(Screw(4x20), tapping)

2-2. CHASSIS ASSY REMOVAL

RM-Y906K RM-Y906K
2 Rear board
1 Three screws
(Screw(4x20),tapping)
2 Chassis assy
RM-Y906
SECTION 2

DISASSEMBLY

2-3. SERVICE POSITION

1 Disconnect CN203
on A board.
From CG board CN1304.
A board
CN203
G board
Chassis assembly
2-4. HA BOARD AND HB BOARD REMOVAL
(EXCEPT KP-43T70K/43T70T)
6 Four screws
(+BVTP 4x12)
7 HB bracket
1 Two screws
(Screws (4x20), tapping)
– 24 –
(The extension cable is not
supplied because of the
countermeasure for radiation.)
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)
8 Three screws
(+BVTP 3x12)
9 HB board
2 Two screws
(+BVTP 4x12)
3 HA bracket
4 Multi button
5 HA board
Speaker grille assy