Read Sony HMD-A400 Service Manual online
5-25
5-26
1
A
B
C
D
E
F
G
H
I
2
12
13
11
10
9
8
7
6
5
4
3
14
•
Divided circuit diagram
One sheet of D board circuit diagram is divided into six
sheets, each having the code D-
a
to D-
f
. For example, the
destination ab1 on the D-
a
sheet is connected to ab1 on the
D-
b
sheet.
b
1
a
Ref. No.
Circuit diagram division code
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
L7004
JW
L7001
0.45µH
L7002
0.45µH
L7003
1µH
L7005
JW
L7006
JW
R7000
18
R7001
18
R7002
1.5k
C7009 47p
C7012 47p
C7011 47p
C7010 47p
C7013
C7014
C7015
C7016
0.1
50V
330
330
0.1
50V
50V
10V
10V
3.3V
3.3V
L7007
C7030
0.01
L7008
2.3µH
2.3µH
2.3µH
R7016
15k
L7015
L7016
1µH
1µH
L7031
0.45µH
L7032
0.45µH
L7033
2.3µH
2.3µH
2.3µH
L7020
2.3µH
L7019
L7021
0.45µH
L7022
0.45µH
L7023
0.45µH
L7024 JW
L7025 2.3µH
L7034
2.3µH
R7030 24
R7031 24
R7029
R7028
24
24
P7002
4P
2
1
3
4
L7018
1µH
L7017
1µH
R7019
1M
R7020
1M
R7022
R7024
5VF
R7027
C7008 3.3
C7023 47p
0.1
330
50V
10V
C7020
C7021
C7022
330
0.1
10V
50V
C7019
C7017 47p
C7018 47p
C7024 47p
3.3k
0
5VF
C7006 22p
C7007 22p
X7000
6MHz
PSW1
DP2
DM2
DP0
DM0
DP1
DM1
DP5
DM5
INDV/SCL
OPTION/SDA
RESET_N
XTAL2
XTAL1
PSW5
PSW4
V3.3
PSW2
GND
DM3
DP3
VCC
OC1_N
OC2_N
OC3_N
OC4_N
OC5_N
DM4
DP4
SP/BP_N
HUBGL_N
PSW3
L7009
L7010
L7011
JW
C7000
220
10V
C7001 220V
R7003 10k
L7035
R7007 10k
R7008 10k
R7009 10k
R7010 10k
C7005
0.1
C7004
0.1
C7003
0.1
C7002
0.1
R7018
1M
R7015
100k
2.3µH
R7004 10k
R7005 10k
R7006 10k
1µH
1µH
5VF
5VF
5VF
5VF
R7011
1k
R7012
1k
R7013
1k
R7014
1k
MIC2526
POWER SWITCH
MIC2526
POWER SWITCH
IC7001
IC7002
ENA
FLGA
FLGB
ENB
OUTA
IN
GND
OUTB
ENA
FLGA
FLGB
ENB
OUTA
IN
GND
OUTB
5VF
L7012
1µH
L7013
1µH
D7000
L7014
HZ5.1B
2.3µH
5VF
5VF
R7017
15k
IC7000
ISP1122
USB CONT
R7025
100k
5VF
R7026
3.3k
0.45µH
0.45µH
R7034 24
R7032
1/4W
24
R7033
1/4W
24
R7035 24
L7030 2.3µH
L7029
L7027
L7026
2.3µH
L7028
2.3µH
+
+
+
+
+
USB DB_A BLOCK
USB DB_B BLOCK
+
+
P7000
4P
P7003
4P
2
1
3
4
P7004
4P
2
1
3
4
P7001
4P
2
1
3
4
P8D1
7P
B-SS3578<U/C>-D..-P6-EPS05
D-f
(USB CONTROL)
TO D-a BOARD
CN904
1
2
3
4
NC
USB DM
USB DP
GND
P7D1
7P
1
2
3
4
V2
V1
P2
M2
5
6
7
P1
M1
DGND
V2
V1
P2
M2
P1
M1
DGND
1
2
3
4
5
6
7
P8D2
7P
P7D2
7P
1
2
3
4
5
6
7
P3
M3
DGND
V4
V3
M4
P4
P3
M3
DGND
V4
V3
M4
P4
1
2
3
4
5
6
7
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