Sony CPD-G420 (serv.man3) Service Manual ▷ View online
CPD-G420(E)
1-1
SECTION 1
DISASSEMBLY
1-1. CABINET REMOVAL
1
B
A
C
Two screws
(+BVTP 4 x 16)
(+BVTP 4 x 16)
6
Slide the EMI shield in the direction
of arrow
of arrow
C
and remove four claws.
7
EMI shield
4
Four screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
5
Four screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
2
Two claws
3
Push the upper side of the cabinet
inthe direction of arrow
inthe direction of arrow
A
, disconnect claws,
then remove the cabinet
lifting it up in the direction of arrow
lifting it up in the direction of arrow
B
.
Bezel assembly
Bezel assembly
EMI shield
Cabinet
Cabinet
Push in the tip of a screwdriver
about 10mm to unlock the claw.
about 10mm to unlock the claw.
CPD-G420(E)
1-2
1-2. A1 BOARD (C BLOCK) REMOVAL
1
A1 board
CN315
CN318
GND
GND
CPD-G420(E)
1-3
1-3. A1 BOARD, US BOARD REMOVAL
Two screws
(+BVTT 4 x 6)
(+BVTT 4 x 6)
2
Video block assembly
11
Screw (+BVTT 4 x 6)
13
Five screws
(+BVTT 3 x 8)
(+BVTT 3 x 8)
14
USB case
15
US board
12
USB block assembly
3
Four screws
(+BVTP 3 x 8)
(+BVTP 3 x 8)
Screw
(+BVTP 3 X 10)
(+BVTP 3 X 10)
9
Video case
8
Input/out
terminal board assembly
terminal board assembly
CN315
CN313
CN2601
1
6
Two screws
(+BVTP 3 X 8)
(+BVTP 3 X 8)
7
5
Two screws (HEX)
10
A1 board
4
Video shield
CPD-G420(E)
1-4
1-4. BEZEL ASSEMBLY, H1 BOARD REMOVAL
2
1
Four tapping screws (5)
5
Bezel assembly
3
Screw
(+BVTP 4 x 16)
(+BVTP 4 x 16)
4
Screw
(+BVTP 4 x 16)
(+BVTP 4 x 16)
6
Three screws
(+BVTP 3 x 10)
(+BVTP 3 x 10)
9
H1 board
8
Joy stick
7
Input
selection button
selection button
CN1400
Picture tube shield
Before removing the bezel assembly, secure
the picture tube by attaching two screws to
the picture tube shield at the positions shown
with an arrow (diagonal two places) to prevent
the picture tube from falling.
(Use the screws +BVTT 4 x 8 that fix EMI shield.)
the picture tube shield at the positions shown
with an arrow (diagonal two places) to prevent
the picture tube from falling.
(Use the screws +BVTT 4 x 8 that fix EMI shield.)
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