Disassembly; Rear Board Removal; Chassis Assy Removal; Service Position - Sony KP-51HW40 Service Manual

2-1. REAR BOARD REMOVAL

2-2. CHASSIS ASSY REMOVAL

2 Chassis assy
SECTION 2

DISASSEMBLY

2 Rear board
1 Nine screws, dome washer
HEX tap 4x20
1 Three screws, dome washer
HEX tap 4x20
2 Screw, dome washer
HEX tap 4x20

2-3. SERVICE POSITION

1 Disconnect CN17, 18, 19
on A board.
From V boards CN9001.
(The extension cable is not
supplied because of the
A board
countermeasure for radiation.)
CN17, 18, 19
D board
Chassis assembly
2-4.

H2 BOARD REMOVAL

1 Cap, speaker grille
2 Screw, dome washer
HEX tap 4x20
1 Cap, speaker grille
– 8 –
KP-51HW40/57HW40
RM-Y909
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)
3 Six screws
(+BVTP4x12)
4 H2 board
5 Button, multi
RM-Y909