Sony KV-SW252M50 (serv.man2) Service Manual ▷ View online
– 6 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
1 Two hooks
3 One screw
(+BVTP 3 x 12)
2 F Board
1 One screw
(+BVTP
(+BVTP
3
× 12
Type2
IT-3)
2 Two hooks
6 One screw
(+BVTP
(+BVTP
3
× 12
Type2
IT-3)
5 Terminal bracket
3 One screw
(+BVTP
(+BVTP
4
× 12
Type2
IT-3)
4 Two screws
(+BVTP
(+BVTP
3
× 12
Type2
IT-3)
1-7.
TERMINAL BRACKET REMOVAL
(Except KV-SW252M60K)
1-9. F2 (Except KV-SW252M50/
M
60K) and J3
BOARDS REMOVAL
3 One screw
(+BVTP 3
(+BVTP 3
× 12)
1 One screw
(+BVTP 4
(+BVTP 4
× 16 Type2 IT-3)
4 One screw
(+BVTP 3
(+BVTP 3
× 12)
2 Terminal bracket
5 hooks
3 F2 Board
1 J3 Board
2 Two screws
(+BVTP 3
(+BVTP 3
× 12 Type2 IT-3)
1-8.
TERMINAL BRACKET REMOVAL
( KV-SW252M60K)
1-11. F1 BOARD REMOVAL (KV-SW252M60K)
1-10. F1 BOARD REMOVAL
(Except KV-SW252M60K)
2 F1 Board
1 Two hooks
3 One screws
(+BVTP 3
(+BVTP 3
× 12 Type2 IT-3)
1-12. H4 and H7 BOARDS REMOVAL
(Except KV-SW252M60K)
3 Four hooks
1 Five hooks
2 H7 Board
4 H4 Board
– 7 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
5 Five screws
(3
(3
× 12)(+) BVTAP
3 Four hooks
2 A Board
1-13. H4 and H7 BOARDS REMOVAL
( KV-SW252M60K)
2 Five Hooks
5 Four Hooks
4 H4 Board
1
H7 Board
3 One screws
(+BVTAP 3
(+BVTAP 3
× 12)
1-14. A BOARD REMOVAL
(Except KV-SW252M60K)
1-15. A BOARD REMOVAL (KV-SW252M60K)
1 Five screws
(+BVTAP 3
(+BVTAP 3
× 12)
4 One screws (Washer head)
(+BVTP 3
(+BVTP 3
× 12)
3 Four Hooks
2 A Board
1-16. B and K2 BOARDS REMOVAL
(KV-SW252M60K)
2 B Board
3 K2 Board
4 Two hooks
5 Two hooks
1 Three screws
(+BVTAP 3
(+BVTAP 3
× 12)
– 8 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
1-17. PICTURE TUBE REMOVAL (Except KV-SW252M60K)
Note:
•
Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom
right and left.
right and left.
1) Remove the rear cover.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
Remove Chassis Assy.
3) Place the TV set with the CRT face down on a cushion jig.
4
Anode Cap Removal
6
Degaussing Coil
0
Loosen the Neck Assembly
fixing screw and remove
Neck Assy & VM board
Neck Assy & VM board
qa
Loosen the Deflection Yoke
fixing screw and remove it
9
C Board Removal
7
Spring Tension(2x)
Removal
5
Holder, DGC
Removal (2x)
8
Earth Coating Assy
qs
Screw Tapping 7+ Crown Washer (4x)
1-18. PICTURE TUBE REMOVAL (KV-SW252M60K)
Note:
•
Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom
right and left.
right and left.
1) Remove the rear cover.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
Remove Chassis Assy.
3) Place the TV set with the CRT face down on a cushion jig.
8
Earth Coating Assy
4 Anode Cap Removal
9 C Board Removal
5
Holder, DGC(2x) Removal
7
Spring Tension(2x) Removal
qs
Screw Tapping 7+ Crown Washer (4x)
6
Degaussing Coil
0 Loosen the Neck Assembly
fixing screw and remove Neck
Assy & VM Board
fixing screw and remove Neck
Assy & VM Board
qa
Loosen the Deflection Yoke
fixing screw and remove it
– 9 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
• REMOVAL OF ANODE-CAP
Note:
• After removing the anode, short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT
shield or carbon paint on the CRT.
• REMOVING PROCEDURES
1 Turn up one side of the rubber cap in the direction
indicated by the arrow a.
2 Using a thumb pull up the rubber cap firmly in the direc-
tion indicated by the arrow b.
3 When one side of the rubber cap is separated from the
anode button, the anode-cap can be removed by
turning up the rubber cap and pulling it up in the
direction of the arrow c.
turning up the rubber cap and pulling it up in the
direction of the arrow c.
• HOW TO HANDLE AN ANODE-CAP
1 Do not damage the surface of anode-caps with
sharp shaped objects.
2 Do not press the rubber too hard so as not to
damage the inside of anode-cap.
A metal fitting called the shatter-hook terminal is
built into the rubber.
A metal fitting called the shatter-hook terminal is
built into the rubber.
3 Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage
the rubber.
the rubber.
a
a
c
Anode Button
b
b
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