Sony KV-XA29M31 Service Manual ▷ View online
–
25
–
KV
-XA29M31/XA29M50/
-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
SECTION 2
DISASSEMBLY
2-1. REAR COVER REMOVAL
(KV-XA29M31/XA29M50/XA29M61)
2
Rear cover
1
Four screws
(+BVTP 4
×
16)
3
Eight screws
(+BVTP 4
×
16)
2-2. SPEAKER REMOVAL
1
Two screws (Washer head)
(+BVTP 4
×
16)
2
Two screws washer head
(+P 4
×
16)
2-3. CHASSIS ASSY REMOVAL
2-4. F BRACKET REMOVAL
3
F Board bracket
4
F Board
1
Three connectors
5
Two claws
2
Two screws
(+BVTP 3
×
12)
(KV-XA34M31 only)
2
Rear cover
1
Four screws
(+BVTP 4
×
16)
1
Ten screws
(+BVTP 4
×
16)
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26
–
KV
-XA29M31/XA29M50/
-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
2-6. REPLACEMENT OF PARTS
For replacement of light guide,unscrew
them, exchange with new parts and fix
them with screws respectively.
them, exchange with new parts and fix
them with screws respectively.
One screw
(+BVTP 3
(+BVTP 3
×
12)
2-6-1. Light Guide
2-6-2. Power Button
1 Push the claw to direction
of arrow and remove
of arrow and remove
2 Spring compression
3 Power Button
2-5. SERVICE POSITION
Note:
1. Disconnect the speaker connection on the right side
first.
2. Undress necessary wires before going to Service
Position.
2-7. HV CAP BLOCK (KV-XA34M31 only), PWB
HOLDER AND J BOARD REMOVAL
J Board
3
PWB holder
6
Terminal bracket
7
Bracket HVC
HV Cap block
5
One screw
(+BVTP 4
×
16)
4
Two screws
(+BVTP 3
×
12)
1
Two screws
(+BVTP 3
×
12)
2
One screw
(+BVTP 3
×
12)
One screw
(+BVTP 3
×
12)
2-8. TERMINAL BRACKET REMOVAL
1
J Board
4
One screw
(+BVTP 4
×
16)
3
Two screws
(+BVTP 3
×
12)
2
Two screws
(+BVTP 3
×
12)
5
Terminal bracket
6
Two claws
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27
–
KV
-XA29M31/XA29M50/
-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
2-11. H BOARD REMOVAL
3
Two connectors
2
Two connectors
1
Two connectors
4
One screw (+BVTAP 3
×
12)
6
H Board
5
Four claws
2-12. A AND B BOARDS REMOVAL
3
B Board
5
A Board
4
Four connectors
2
Three screws
(+BVTAP 3
×
12)
One screw
(+BVTAP 3
(+BVTAP 3
×
12
with washer)
2-10. B1 AND V1 (KV-XA29M31/XA29M61/
XA34M31) BOARDS REMOVAL
2
V1 Board
One connector
Two connectors
1
B1 Board
2-9. D2 (KV-XA34M31) /D3 (KV-XA29M31/
XA29M50/XA29M61) BOARDS REMOVAL
1
Three connectors
3
D2 board
(KV-XA34M31)
3
D3 board
(KV-XA29M31/
XA29M50/XA29M61)
XA29M50/XA29M61)
2
One claw
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28
–
KV
-XA29M31/XA29M50/
-XA29M31/XA29M50/
XA29M61/XA34M31
RM-954
•
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.
CRT.
•
REMOVING PROCEDURES
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.
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.
3 Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage the rubber.
•
HOW TO HANDLE AN ANODE-CAP
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.
arrow c.
2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b.
1 Turn up one side of the rubber cap in the direction indicated by the arrow a.
a
a
b
b
c
Anode Button
2-13. PICTURE TUBE REMOVAL
NOTE : i)
The picture tube for OCE model is upside down, and the position for the
anode cap and tension springs are changed accordingly.
anode cap and tension springs are changed accordingly.
ii) Please remove necessary CRT support located on top left, top right, bottom
left, bottom right, prior to removing the CRT.
iii) 9 and q/ (screws Tapping 7+ Crown Washer)
(KV-XA29M31/XA29M50/XA29M61).
iv) Nut, Special, CRT and cap screw (KV-XA34M31 only).
6
Two screws
wf
Cap, screw
wf
Cap,
screw
(+BVTP 4
×
16)
qh
C6 board
qg
Neck assy
qj
Degaussing coil
Degaussing coil
qk
Four claws
DGC clips
(KV-XA29")
DGC clips
qa
Chassis assy
wa
Four DGC clips
8
Two screws
(+P 4
×
16)
(washer head)
q;
Two screws
Crown Washer)
(Tapping 7+
4
Two screws
(+P 4
×
16)
(washer head)
9
Two screws
Crown Washer)
(Tapping 7+
ws
Holder DGC
w;
Cushion (50x550) DGC
Cushion (S) DGC
Cushion (S) DGC
w;
Cushion (50x550) DGC
2
Two screws
(+BVTP 4
×
16)
1
Speaker
(5cm)
qf
Deflection
yoke
qd
Tension
spring
ql
DGC
DGC band
DGC Holder
band
qs
Anode cap
qg
Picture tube
qf
Cushion
5
Speaker
wd
Nut,
Special
CRT
CRT
wd
Nut,
Special
CRT
CRT
(5cm)
7
Speaker
(15
×
6.5cm)
3
Speaker
(15
×
6.5cm)
CRT (Top,right)
Support Assy
Support Assy
CRT (Top,left)
Support Assy
Support Assy
Two screws
(+BVTP 4
(+BVTP 4
×
16)
Two screws
(+BVTP 4
(+BVTP 4
×
16)
(KV-XA34")
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