Sony CPD-520GS / CPD-520GST / CPD-520GST9 Service Manual ▷ View online
CPD-520GS/520GST/520GST9
2-3. G BOARD REMOVAL
2-4. A2 BOARD REMOVAL
2-2
A2 borad (1/2)
Three screws
(+BVTT 4 x 8)
Two screws
(+BVTT 4 x 8)
Video block
assembly
assembly
1
2
A2 borad (2/2)
3
Two screws
(+ BVTT 4 x 8)
Three hooks
Two screws
(+BVTP 3 x 10)
G shield
G board
Open the G block in the direction
of the arrow . and remove of
the arrow .
of the arrow . and remove of
the arrow .
A
B
Two printed circuit board holders
A
B
1
7
Screw
(+ BVTT 4 x 8)
3
2
4
5
6
GND
GND
CPD-520GS/520GST/520GST9
2-5. L2 BOARD REMOVAL
2-6. I/O TERMINAL BOARD ASSY REMOVAL
2-3
L2 board
Four printed circuit board holders
1
2
CN5001
CN5002
CN5004
CN5003
Three screws
(+ BVTT 3 x 8)
1
I/O terminal board assy
2
CN511
CN806
CN405
CN407
CN403
CN402
CN401
CPD-520GS/520GST/520GST9
2-7. SERVICE POSITION
2-8. H5, H6 AND J BOARDS REMOVAL
2-4
D board (Refer to 2-2.)
Rear shield
D,G boards
A2 board (Refer to 2-4.)
G board
(Refer to 2-3.)
CAUTION : SHORT
If the claw is hooked,
opening and closing
the board is impossible.
Do not try to do it by force.
opening and closing
the board is impossible.
Do not try to do it by force.
If the claw is hooked,
opening and closing
the board is impossible.
Do not try to do it by force.
opening and closing
the board is impossible.
Do not try to do it by force.
Four screws
(Tapping screw 5:
except UK/AEP for UK-made set)
(Self tapping screw 5:
UK/AEP for UK-made set)
(Tapping screw 5:
except UK/AEP for UK-made set)
(Self tapping screw 5:
UK/AEP for UK-made set)
CN801
H5 board
Three screws
(+ BVWHTP 3 x 12)
Bezel
1
2
3
4
H6 board
5
Claw
J board
8
CN891
Power cap
Claw
6
7
CPD-520GS/520GST/520GST9
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
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
.
•
HOW TO HANDLE AN ANODE-CAP
1
Don’t hurt the surface of anode-caps with shartp shaped
material!
material!
2
Don’t press the rubber hardly not to hurt inside of anode-caps!
A material fitting called as shatter-hook terminal is built in the
rubber.
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 hurt the rubber.
The shatter-hook terminal will stick out or hurt the rubber.
•
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
1
Turn up one side of the rubber cap in
the direction indicated by the arrow
the direction indicated by the arrow
a
.
2
Using a thumb pull up the rubber cap
firmly in the direction indicated by the
arrow
firmly in the direction indicated by the
arrow
b
.
2-9. PICTURE TUBE REMOVAL
a
b
c
Anode Button
2-5
Open the D block
(Refer to 2-2.)
(Refer to 2-2.)
6P (DY)
10P (DY)
Four screws
(+ BVTT 4 x 8)
A2 board
Open the G block
(Refer to 2-3.)
(Refer to 2-3.)
Neck assy
Deflection yoke
Picture tube
Two connectors
Anode cap
1
2
3
4
5
6
8
9
7
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