Read Sony KV-AZ21M90 Service Manual online
– 6 –
KV-AZ21M90/AZ21N90
RM-GA002 RM-CA002
qf
Nut, Special, CRT (x4)
4
Anode Cap Removal
7
Degaussing Coil
6
Loosen the Neck Assembly
fixing screw and remove
Neck Assy & VM board
Neck Assy & VM board
qs
Loosen the Deflection Yoke
fixing screw and remove
5
CV Board Removal
8
Spring Tension(2)
Removal
5
Holder, DGC
Removal (x2)
9
Earth Coating Assy
qd
Supports, CRT
Removal (x2)
A
A
B
B
C
Anode Button
• 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.
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.
1-7.
PICTURE TUBE REMOVAL
• 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
direction indicated by the arrow b.
Note:
• Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right
and left.
1) Remove the Rear Cover.
2) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap. Remove
2) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap. Remove
Chassis Assy.
3) Place the TV set with the CRT face down on a cushion (jig).
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