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GDM-F520(E)

1-6

1

2

4

1

Remove the D board.

D board 

2

Remove the Video block assembly.

3

Install the Adaptor board 
(XT MOUNT) (A-1391-123-A).

4

Lay the Video block assembly.

Video block assembly

Video block assembly

5

Install the video block assembly.

6

Put a box which is about 15cm in height 
under the D board to fix it. 

D board

Box

3

GDM-F520(E)

1-7

4

Picture tube

1

Anode cap
(Refer to page 1-8)

2

A2 board
(C block)

3

Neck assembly

CN3

CN7

CN2

CN1

GND

CPD-G520(E)

1-8

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

.

•

1

Don’t scratch the surface of anode-caps with sharp shaped
material!

2

Don’t press the rubber hardly not to damage 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.

•

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.

•

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

.

GDM-F520(E)

1-9

CN602

CN601

CN604

CN1102

CN312

CN311

CN318

CN319

CN320

CN31

6

CN315

CN303

CN1103

CN1003

CN1401

CN1500

CN1400

CN605

CN1600

CN1

CN1

CN3

CN1602

CN701

CN501

4P

4P

5P

CN904

CN2601

Picture tube

A2 board

AC inlet

D board

US board

Magnetic sensor

L2 board

N board

H2 board

CN1601