Read Sony HMD-A400 Service Manual online
1
A
B
C
D
E
F
G
H
I
2
12
13
11
10
9
8
7
6
5
4
3
14
5-9
(2) Schematic Diagram of A Board
5-10
• A BOARD WAVEFORMS
0.75 Vp-p (H)
1
H
1.08 Vp-p (H)
2
0.75 Vp-p (H)
3
4
5
6
43.5 Vp-p (H)
43.5 Vp-p (H)
44.5 Vp-p (H)
H
0.2
0.8
1.1
-0.2
0.1
2.6
0.1
2.9
0.1
0.1
2.6
4.4
0.6
1
2
3
2.0
2.9
1.5
4.4
1.1
2.1
4.7
0.6
2.1
2.9
2.9
5.0
5.0
0.2
0
0
0
0
3.8
5.0
1.3
5.0
5.0
5.0
4
5
6
5.0
0
4.4
0
2.1
2.9 2.0
53.1
41.9
52.7
5.0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
H
G1 G2
HG
HV
RGB
1
2
3
4
5
6
5
6
7
8
1
2
3
4
CN301
D101
D102
D201
D202
D301
D302
C202
C203
C303
C103
R016
C025
R046
C023
R007
D002
2µH
FB002
150µH
FB005
150µH
FB004
CN303
R011
R009
R020
R015
D004
R028
R026
D003
R022
C026
R029
C029
R030
R213
C030
R039
C033
C034
C032
R018
R019
R014
R013
C304
C204
C104
R006
R005
R303
R304
R204
R104
L001
R004
C005
C006
C008
R008
R010
C013
R034
C102
C302
C004
C022
R103
R203
SG001
J001
C043
R313
R113
R301
R201
R101
C014
Q002
C002
IC001
Q003
R021
C042
IC003
IC004
IC002
Q001
9P
1N4148
1N4148
1SS119
1SS119
1SS119
1SS119
10 50V
0.1
50V
50V
0.1
50V
50V
0.1
50V
50V
470
0.1
50V
50V
3k
100
10V
10V
100
1N4148
7P
470
1k
1k
240
1/4W
1SS119
1k
470
MTZJ5.1B
2.4k
5600p
C027
330p
330p
50V
1.5k
1000p
50V
10k
470
470
16V
16V
2.4k
4700p 50V
0.1
50V
50V
1 50V
100
100
4.7k
4.7k
0.1
50V
50V
0.1
50V
50V
0.1
50V
50V
10k
1k
1k
22
68
22
100µH
100
470
16V
16V
0.1
50V
50V
0.1
50V
50V
2.4k
100
0.1
50V
50V
10k
1/2W
R035
2.2M
1/2W
2.2M
1/2W
10 50V
10 50V
0.22
16V
390p
50V
1k
1k
CRT_SOKET
4.7
35V
N.P
35V
N.P
470
470
75
75
75
0.01
2kV
2N3904
CLAMP AMP
220
16V
16V
M52743BSP
PRE AMP,OSD MIX
2N3904
H SYNC BUFF
2SC945
Q005
V SYNC
BUFF
12.4k
12p
50V
50V
M35047
OSD
LM358
AMP
LM2412
RGB OUT
2N3904
CLAMP AMP
RGND
RED
GGND
GREEN
BGND
BLUE
7
8
9
GND
V-IN
H-IN
+81VS
GND
GND
+6.3V
+12V
ABL
+5V
RIN
VCCR
OSDR
GNDR
GIN
SOGI
VCCG
OSDG
GNDG
BIN
VCCB
OSDB
GNDB
ABLIN
NC
VCC
VCC2
ROUT
EXTFB
GOUT
EXTFB
MBRI
BOUT
EXTFB
BLK
DA1
DA2
DA3
DA4
GND5
SDA
SCL
CLAMP
SOG OUT
OSD BLKIN
VDD2
P4
P3/G
P2
P1/R
P0/BK0
VSS
CPOUT
VIR
CS
SCK
SIN
TCK
VDD1
P7
+IN.B
-IN.B
OUT.B
Vcc
Vee
+IN.A
-IN.A
OUT,A
AC
VERT
HOR
P5/B
P6
GNDA
+5V
+5V +12V
+12V
+12V
+5V
+5V
+5V
+5V
+5V
+81VF
+6.3V
+5VF
+12V
+12VF
+6.3V
+12V
8
9
10
7
6
1
2
3
4
5
11
12
13
14
15
SIGNAL IN
HD15
PIG-TAIL
PICTURE
TUBE
V901
TO
D BOARD FBT
+12V
+5V
C017
0.1
100V
B-SS3578<U/C>-A..-EPS05
1.2kV
L101
0.1µH
L201
0.1µH
L301
0.1µH
R042
100
2
3
4
5
6
VCC
G VOUT3
GND2
R VOUT2
GND1
1
B VOUT1
7
8
9
10
11
B VIN1
VBB
R VIN2
G VIN3
GND
+12VF
C010
C009
0.1
50V
50V
47
16V
FB006
3µH
+80VF
C019
C011
0.1
100V
C012
0.1
100V
C048
0.1
100V
10
100V
R108
20k
R208
20k
R308
20k
1/2W
C045
10000P
3kV
D017
ER106
1
2
3
4
5
6
7
8
9
CN302
9P
SOG
GND
H_RTN
V_RTN
G1
GND
CLAMP
SDA/I
SCL/I
CN309
1P
1
C035
100
10V
10V
A
(VIDEO,RGB OUT)
1
2
3
4
CS1
CS0
CS3
CS2
R001
100
R037
100
R036
100
R002
100
R024
150k
150k
+12V
+12V
R023
300k
300k
C015
0.47
0.47
16V
C039
100
16V
16V
C016
1000p
R033
220k
220k
C028
330p
330p
R031
22M
R032
56K
C037
0.22
0.22
16V
Q004
2SC4634
G2 CONT
G2 CONT
R025
2.2k
2.2k
+12V
D001
1SS119
C038
47
16V
FB001
JW
R215
110
1/2W
R115
68
1/2W
R315
68
1/2W
Q301
2SC1921
B CUT-OFF
R309
510
R307
5.1k
5.1k
+80VF
C307
0.1
D305
HSS82
D304
HSS82
D303
HSS82
R311
1M
C306
0.1
100V
L302
0.1µH
Q201
2SC1921
R209
510
R207
5.1k
5.1k
+80VF
C207
0.1
100V
C040
0.01
0.01
D205
HSS82
D204
HSS82
D203
HSS82
R211
1M
C206
0.1
100V
L202
0.1µH
Q101
2SC1921
R109
510
R107
5.1k
5.1k
+80VF
C107
0.1
D105
HSS82
D104
HSS82
D103
HSS82
R111
1M
C106
0.1
100V
L102
0.1µH
G CUT-OFF
R CUT-OFF
R112
120
1/2W
R212
120
1/2W
R312
120
1/2W
SG101
SG201
SG301
CN304
4P
TO D-a BOARD
CN901
TO D-d BOARD
CN603
TO D-b BOARD
CN504
TO D-b BOARD
CN502
C020
47
16V
C049
0.1
100V
C105
0.1
C108
0.1
C120
0.1
JW035
150µH
150µH
C055
33p
C056
33p
C054
0.1
R302
4
3
2
1
PCDET
DDSDA
DDSCL
+5V
CN306
4P
1
2
3
4
5
6
CN305
6P
H-IN
GND
PCDET
V-IN
DDSDA
DDSCL
TO D-a BOARD
CN902
FB008
R106
47
R120
47
R105
47
5
6
7
8
4
3
2
1
24C21
IC005
DDC
SDA
SCL
VCLK
VCC
VSS
/WP
NC
/TEST
D013
1N4148
R102
4.7k
4.7k
D012
1SS119
FB010
FB009
D008
1SS119
D010
1SS119
D009
1SS119
D011
1SS119
C109
220p
220p
C041
220p
220p
FB101
JW
FB301
JW
FB201
JW
FB012
+12V
L002
C045
0.1
C036
0.1
C047
0.1
FB011
FB315
FB115
FB215
FB003
2µH
R110
3.3k
3.3k
C110
100p
100p
R210
3.3k
3.3k
C210
100p
100p
R310
3.3k
3.3k
C310
100p
100p
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