Sony HMD-A230 Service Manual ▷ View online
HMD-A230(E)
5
DIAGNOSIS
Failre
Horizontal / Vertical Deflection failure,
(Included S-cap)
(Included S-cap)
ABL protector
HV failure
Aging / Self Test
Out of scan range
Power LED
Amber
→
Off
(1.5 sec)
(0.5 sec)
Amber
→
Off
(0.5 sec)
(1.5 sec)
Amber
→
Off
(0.5 sec)
(0.5 sec)
Amber
→
Off
→
Green
→
Off
(0.5 sec)
(0.5 sec)
(0.5 sec)
(0.5 sec)
Green (OSD indication)
Aging Mode (Video Aging)
:
During Power Save, press MENU button for longer than 2 second.
Monitor Information and RGB bar :
During Power Save, push CONT+ button for longer than 2 second.
ALL White
:
During Power Save, push CONT- button for longer than 2 second.
HMD-A230(E)
6
TIMING SPECIFICATION
MODE
Primary Mode
MODE AT PRODUCTION
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
MODE 8
MODE 9
RESOLUTION
640 X 480
640 X 480
720 X 400
800 X 600
800 X 600
1024 X 768
1024 X 768
1280 X 1024
1280 X 1024
CLOCK
25.175 MHz
36.000 MHz
28.322 MHz
40.000 MHz
56.250 MHz
65.000 MHz
94.500 MHz
108.000 MHz
135.000 MHz
— HORIZONTAL —
H-FREQ
31.469 kHz
43.269 kHz
31.469 kHz
37.879 kHz
53.674 kHz
48.400 kHz
68.677 kHz
63.981 kHz
79.976 kHz
u
sec
u
sec
u
sec
u
sec
u
sec
u
sec
u
sec
u
sec
H. TOTAL
31.778
23.111
31.777
26.400
18.631
20.677
14.561
15.630
12.504
H. BLK
6.356
5.333
6.355
6.400
4.409
4.923
3.725
3.778
3.022
H. FP
0.636
1.556
0.636
1.000
0.569
0.369
0.508
0.444
0.119
H. SYNC
3.813
1.556
3.813
3.200
1.138
2.092
1.016
1.037
1.067
H. BP
1.907
2.222
1.907
2.200
2.702
2.462
2.201
2.296
1.837
H. ACTIV
25.422
17.778
25.422
20.000
14.222
15.754
10.836
11.852
9.481
— VERTICAL —
V. FREQ (HZ)
59.940 Hz
85.008 Hz
70.087 Hz
60.000 Hz
85.061 Hz
60.000 Hz
84.997 Hz
60.020 Hz
75.025 Hz
lines
lines
lines
lines
lines
lines
lines
lines
lines
HMD-A230(E)
7
1. DISASSEMBLY
1-1. Cabinet Assembly Removal .................................
1-1
1-2. A AND D Boards Removal .................................
1-2
1-3. Service Position ...................................................
1-3
1-4. H1 AND J Boards Removal .................................
1-4
1-5. Picture Tube Removal .........................................
1-5
2. SAFETY RELATED ADJUSTMENT
................
2-1
3. ADJUSTMENTS
......................................................
3-1
4. DIAGRAMS
4-1. Block Diagrams ....................................................
4-1
4-2. Frame Schematic Diagram ....................................
4-3
4-3. Circuit Boards Location ........................................
4-4
4-4. Schematic Diagrams and Printed Wiring
Boards ...................................................................
4-5
(1) Schematic Diagram of A Board ...........................
4-7
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
(2) Schematic Diagrams of D (a, b, c, d ) Board
..............................................................................
4-9
(3) Schematic Diagram of H1 Board .........................
4-14
(4) Schematic Diagram of J Board ............................
4-16
4-5. Semiconductors ....................................................
4-17
5. EXPLODED VIEWS
..............................................
5-1
5-1. Cabinet .................................................................
5-2
5-2. Chassis .................................................................
5-3
5-3. Picture Tube .........................................................
5-4
5-4. Packing Materials .................................................
5-5
6. ELECTRICAL PARTS LIST
...............................
6-1
HMD-A230(E)
1-1
SECTION 1
DISASSEMBLY
1-1. CABINET ASSEMBLY REMOVAL
5
Two screws
(+BVTP 3
x
8)
4
Four screws
(+BVTP 3
x
8)
1
Two screws
(+BVTP 4
x
16)
2
Two screws
(+BVTP 4
x
16)
3
Cabinet
Cover cable
Push driver into opening
and remove claws.
and remove claws.
Bezel
EMI
shield
shield
Cabinet
6
Release from
four claws
Base shassis
Click on the first or last page to see other HMD-A230 service manuals if exist.