Picture Tube Removal - IBM 6550-23N Service Manual

6550-23N/23S/33N/63N/63S/73N

2-4. PICTURE TUBE REMOVAL

• REMOVAL OF ANODE-CAP
NOTE: Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon painted on the CRT,
after removing the anode.
• REMOVING PROCEDURES
a
1
Turn up one side of the rubber cap in
the direction indicated by the arrow a.
• HOW TO HANDLE AN ANODE-CAP
1
Don't scratch the surface of anode-caps with shartp shaped mate-
rial!
2
Don't press the rubber hardly not to damege inside of anode-caps!
A material fitting called as shatter-hook terminal is built in the
rubber.
3
Don't turn the foot of rubber over hardly!
The shatter-hook terminal will stick out or damage the rubber.
A board
2
Degaussing coil assembly
11
2 pin
Neck assembly
13
Deflection yoke
14
CN2
Four screws
9
(Tapping screw 5)
Anode cap
1
Two degaussing coil holder
16
Cushion
2
Using a thumb pull up the rubber cap
firmly in the direction indicated by the
arrow b.
Two extention coils
12
CN303
8 pin
CN601
GND
Two degaussing coil holders
15
Bezel assembly
Picture tube
10
b
2-3
Screw
3
(+BVTT 4 x 8)
Two claws
4
Stand assembly
5
6 Two screws
(+BVTP 4 x 16)
Base assembly
8
Two screws
7
(+BVTT 4 x 8)
Anode Button
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 up it in
the direction of the arrow c.
c