Sony KP-46WT520 / KP-51WS520 / KP-57WS520 (serv.man2) Service Manual ▷ View online
KP-46WT520/51WS520/57WS520
KP-46WT520/51WS520/57WS520
10
1-1. REAR BOARD REMOVAL
SECTION 1: DISASSEMBLY
1-2. CHASSIS ASSEMBLY REMOVAL
10 Screws (KP-46WT520 Only)
13 Screws (KP-51WS520 Only)
12 Screws (KP-57WS520 Only)
Dome Washer Hex Tap 4 x 20
13 Screws (KP-51WS520 Only)
12 Screws (KP-57WS520 Only)
Dome Washer Hex Tap 4 x 20
1
Rear board
2
Chassis assy
2
Three screws Dome Washer
1
(Hex Tap 4 x 20)
KP-46WT520/51WS520/57WS520
KP-46WT520/51WS520/57WS520
11
1-3. SERVICE POSITION
1-4. TERMINAL BOARD AND P BOARD REMOVAL
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
(+BVTP 3x12)
(+BVTP 3x12)
Chassis assembly
Free wiring from purse locks.
NOTE: Observe wire dress
and return to original condition.
NOTE: Observe wire dress
and return to original condition.
1
2
T
e
r
minal board
Six screws (+BVTP 3x12)
Main br
acke
t
2
Two screws
Dome Washer Hex Tap 4 x 20
Dome Washer Hex Tap 4 x 20
1
One screw
(M3 X 8) P, SW(+)
Two screws
+BVTT 3 X 8
+BVTT 3 X 8
Four screws
+BVTT 3x8
+BVTT 3x8
6
5
4
P board
Disconnect Ground Wire and Cable
3
KP-46WT520/51WS520/57WS520
KP-46WT520/51WS520/57WS520
12
Claws
Main bracket
4
Four screws
(+BVTP 3x12)
(+BVTP 3x12)
Seven screws
(+BVTP 3x12)
(+BVTP 3x12)
G board
D board
A board
1
2
Two screws
(+BVTP 3x12)
(+BVTP 3x12)
3
1-6. A BOARD, D BOARD, AND G BOARD REMOVAL
1-5. BM BOARD OR BH BOARD REMOVAL
Main bracket
Pull gently back on clips
to release
to release
1
2
3
BM board or
BH board
BH board
Pry apart shield
to remove BM board
to remove BM board
☛
KP-46WT520/51WS520/57WS520
KP-46WT520/51WS520/57WS520
13
CAUTION: Removing the arrow-marked screws is strictly prohibited. If removed, it may cause liquid to spill.
Four screws
Dome Washer Hex Tap 4x20
Dome Washer Hex Tap 4x20
Four screws
(+BVTP 4x12)
(+BVTP 4x12)
Picture tube
Picture tube
Deflection yoke
Four screws
(2 per side)
Dome Washer
Hex Tap 4x20
(2 per side)
Dome Washer
Hex Tap 4x20
Four screws (2 per side)
Dome Washer Hex Tap 4x20
Dome Washer Hex Tap 4x20
Neck assy
CR board
Lens
Lens
2
1
7
8
9
10
11
5
Shade
6
4
3
(2 screws for Red Shade
1 screw for Green Shade)
(+BVTP 4x12)
1 screw for Green Shade)
(+BVTP 4x12)
1-8. PICTURE TUBE REMOVAL
(2) Installation
Gutter
HV cable
Hook
1
Rubber cap
HV cable
turn 90
turn 90
1
2
(1) Removal
1-7. HIGH-VOLTAGE CABLE INSTALLATION AND REMOVAL
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