Sony HMD-A400 (serv.man3) Service Manual ▷ View online
HMD-A400
2-2
2-3. D BOARD REMOVAL
GND
CN309
CN307
A board
2
Screw
(+BVTT 4 X 8)
(+BVTT 4 X 8)
3
Two screws
(+BVTT 4 X 8)
(+BVTT 4 X 8)
11
Bottom assembly
13
Claw
12
Cable stopper
4
I/O Cable
5
Two screws
(+BVTP 3 X 12)
(+BVTP 3 X 12)
6
Cable holder
9
Cable bracket
8
Screw (+BVTP 3 X 12)
7
Anode cap
(Refer to page 2-3)
(Refer to page 2-3)
1
CN302
CN305
CN304
CN306
P2
P4
Connector (2P)
CN301
CN310
CN303
Screw
(+BVTT 4 X 8)
(+BVTT 4 X 8)
14
Harnes
15
Two screws
(+BV 3 X 12)
(+BV 3 X 12)
16
Eight screws
(+BV 3 X 12)
(+BV 3 X 12)
20
Two screws
(+BV 3 X 12)
(+BV 3 X 12)
18
Two claws
21
Side sield (R)
17
Side sield (L)
19
D board
22
HMD-A400
2-3
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 scratch the surface of anode-caps with sharp shaped
material!
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.
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.
The shatter-hook terminal will stick out or damage 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
.
a
b
c
Anode Button
2-4. SERVICE POSITION
D board
A board
HMD-A400
2-6. PICTURE TUBE REMOVAL
2-4
2-5. H BOARD REMOVAL
1
Three screws
(+BVTP 3 X 12)
(+BVTP 3 X 12)
3
H board
2
Menu knob
Cushion
A board
2
Four tapping screws (5)
4
Screw
(+BVTP 4 X 16)
(+BVTP 4 X 16)
3
Screw
(+BVTP 4 X 16)
(+BVTP 4 X 16)
3
Bottom assembly
6
Neck assembly
7
Deflection yoke
8
Picture tube
10
Claw
5
Bezel assembly
9
Anode cap
(Refer to page 2-3)
(Refer to page 2-3)
1
P2
P4
Connector (2P)
HMD-A400
2-7. HARNESS LOCATION
CN602
CN604
CN304
CN302
CN301
CN310
CN305
CN306
CN303
CN307
CN309
P2
P4
P703
P701
P702
CN4001
CN603
CN901
CN903
CN902
CN501
CN505
CN506
CN502
CN300
Picture tube
A board
AC inlet
FBT
Power switch
D board
H board
2-5
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