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Disassembly; Rear Board Removal; Chassis Assembly Removal; Service Position - Sony RA-3B Service Manual

Color rear video projector.
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1-1. REAR BOARD REMOVAL

1
Eight Screws (KP-43T90)
Ten Screws (KP-48V90/53V90/61V90)

1-3. SERVICE POSITION

SECTION 1: DISASSEMBLY
Rear board
2
Disconnect CN203
1
on A board.
A board
G board
Chassis assembly
— 9 —

1-2. CHASSIS ASSEMBLY REMOVAL

2
Chassis assy
From CG board CN1304.
(The extension cable is not
supplied because of the
countermeasure for radiation.)
CN203
2
Covers
Remove covers from chassis assembly
with pliers when checking printed circuit boards.
After checking, turn the covers over
and re-secure them with the screws.
Screws
(+BVTP3x12)
KP- 43T90 / 48V90 / 53V90 / 61V90
1
Three screws
(Screw(4x20),tapping)

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This manual is also suitable for:

Kp-43t90Kp-48v90Kp-53v90Kp-61v90

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