Sony KP-43T90 / KP-48V90 / KP-53V90 / KP-61V90 Service Manual ▷ View online
— 9 —
KP- 43T90 / 48V90 / 53V90 / 61V90
Eight Screws (KP-43T90)
Ten Screws (KP-48V90/53V90/61V90)
Ten Screws (KP-48V90/53V90/61V90)
Rear board
2
1
1-1. REAR BOARD REMOVAL
1-2. CHASSIS ASSEMBLY REMOVAL
SECTION 1: DISASSEMBLY
From CG board CN1304.
(The extension cable is not
supplied because of the
countermeasure for radiation.)
supplied because of the
countermeasure for radiation.)
G board
CN203
A board
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.
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)
(+BVTP3x12)
Chassis assembly
Disconnect CN203
on A board.
on A board.
1
2
Three screws
(Screw(4x20),tapping)
(Screw(4x20),tapping)
Chassis assy
2
1
1-3. SERVICE POSITION
— 10 —
KP- 43T90 / 48V90 / 53V90 / 61V90
Four screws
(+BVTP 3x12)
(+BVTP 3x12)
Three screws
(+BVTP 3x12)
(+BVTP 3x12)
Four screws
(Screws (4x20), tapping)
(Screws (4x20), tapping)
HB board
Control Panel Assembly
HA board
HA bracket
2
4
1
8
Four screws
(+BVTP 3x12)
(+BVTP 3x12)
7
5
6
3
1-5. HA AND HB BOARD REMOVAL
(KP-43T90 ONLY)
(KP-43T90 ONLY)
1-4. HA AND HB BOARD REMOVAL
(EXCEPT KP-43T90)
(EXCEPT KP-43T90)
Four screws
(+BVTP 4x12)
(+BVTP 4x12)
Four screws
(+BVTP 4x12)
(+BVTP 4x12)
Two screws
(Screws (4x20), tapping)
(Screws (4x20), tapping)
HB bracket
Speaker grille assy
HA board
HA bracket
Multi button
6
7
Three screws
(+BVTP 3x12)
(+BVTP 3x12)
8
HB board
9
1
5
4
3
2
Three screws
(KP-43T90/48V90)
Five screws
(KP-53V90/61V90)
(Screws (4x20), tapping)
(KP-43T90/48V90)
Five screws
(KP-53V90/61V90)
(Screws (4x20), tapping)
Eleven screws (KP-43T90)
Twelve screws (KP-48V90)
Fifteen screws (KP-53V90)
Fourteen screws (KP-61V90)
(Screws (4x20), tapping)
Twelve screws (KP-48V90)
Fifteen screws (KP-53V90)
Fourteen screws (KP-61V90)
(Screws (4x20), tapping)
Beznet assy
2
3
1
1-6. BEZNET ASSY REMOVAL
— 11 —
KP- 43T90 / 48V90 / 53V90 / 61V90
HC board
L screen
holder
holder
Claws
S board
Sensor
bracket (B)
bracket (B)
Two screws
(+BVTP 4x12)
(+BVTP 4x12)
Two screws
(+BVTP 4x12)
(+BVTP 4x12)
Two screws
(+BVTP 4x12)
(+BVTP 4x12)
Sensor
bracket (A)
bracket (A)
7
6
4
1
2
3
5
1-8. HC BOARD AND S BOARD REMOVAL
1-9. A BOARD AND G BOARD REMOVAL
Two screws
(+BVTP 3x12)
(+BVTP 3x12)
Eight screws
(+BVTP 3x12)
(+BVTP 3x12)
G board
A board
Terminal board
Claw
Claws
Main bracket
Two screws
(Screws (4x20), tapping)
(Screws (4x20), tapping)
Seven screws
(+BVTP 3x12)
(+BVTP 3x12)
6
4
9
7
3
2
1
5
8
Seventeen screws (KP-43T90)
Twenty-four screws (KP-48V90)
Twenty-one screws (KP-53V90)
Twenty-five screws (KP-61V90)
(Screw (4x20), tapping)
Twenty-four screws (KP-48V90)
Twenty-one screws (KP-53V90)
Twenty-five screws (KP-61V90)
(Screw (4x20), tapping)
Mirror cover
1
2
1-7. MIRROR COVER REMOVAL
— 12 —
KP- 43T90 / 48V90 / 53V90 / 61V90
1-10. HIGH-VOLTAGE CABLE INSTALLATION AND REMOVAL
1-11. PICTURE TUBE REMOVAL
CAUTION: Removing the arrow-marked screws is strictly prohibited. If removed, it may cause liquid to spill.
(2) Installation
Gutter
HV cable
Hook
1
Rubber cap
HV cable
turn 90
turn 90
1
2
(1) Removal
Four screws
(Screw(4x20), tapping)
(Screw(4x20), tapping)
Four screws
(+BVTP 4x12)
(+BVTP 4x12)
Picture tube
Picture tube
Deflection yoke
Four screws
(Screw(4x20), tapping)
(Screw(4x20), tapping)
Four screws
(Screw(4x20), tapping)
(Screw(4x20), tapping)
Neck assy
CR board
Lens
Lens
2
1
6
7
8
9
11
5
4
3
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