Picture Tube Removal - Sony TRINITRON KV-SZ252M50 Service Manual

KV-SZ252M50/M61/M81/N50/N60

1-6. PICTURE TUBE REMOVAL

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 Coil and CRT grounding strap.
Remove Chassis Assy.
3) Place the TV set with the CRT face down on a cushion jig.
• 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
a
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.
RM-GA002
qd Screw Tapping
7+ Crown Washer (x4)
0 Earth Coating Assy
9 Degaussing Coil
8 Spring Tension(x2)
Removal
qs Supports CRT (x2)
Removal
qa Loosen the Deflection Yoke
fixing screw and remove
a
b
b
4 Anode Cap Removal
7 Band, DGC Removal
6 Loosen the Neck Assembly
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.
• 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.
3 Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage
the rubber.
– 6 –
fixing screw and remove
Neck Assy
5 CV Board Removal
c
Anode Button