Sony HMD-A400 (serv.man4) Service Manual ▷ View online
5-19
1
A
B
C
D
E
F
G
H
I
2
12
13
11
10
9
8
7
6
5
4
3
14
5-20
•
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
HV
9
10
3
6
1
11
14
VF1
VF2
4
15
16
13
T501
FBT
+81V
D
-c
(HV)
B-SS3578<U/C>-D..-P3-EPS05
+12V
7
8
12
bc4
bc5
bc3
bc6
R594
120K
120K
1.2kV
CN504
1P
1
TO A BOARD
CN309
D528
RGP02-18
D537
RGP02-18
VR501
100k
R515
78.7k
R5100
100k
HV ADJ
C567
0.01
0.01
2kV
TO
PICTURE TUBE
0.1
100V
C530
C532
0.047
100V
C537
6800p
1kV
FB502
5.2µH
5.2µH
R519
100
2W
R5142
100
2W
C539
100
100V
D521
31DF4
D509
PS104R
D515
BYV26C
D516
1N4148
D533
1N4148
C536
1500p
1kV
S
Q522
2SK2843
R520
0.22
0.22
2W
R579
2.2k
2.2k
R5003
10k
R521
5.23k
R555
180
R5132
JW
R5144
10k
R584
5.6k
5.6k
R554
15
1
2
3
4
5
6
7
8
IC502
KA3843A
PWM CONT
COMP
FB
ISENSE
OSC
VREF
VCC
OUT
GND
C553
470p
470p
C540
0.1
R5133
10k
C535
100
C533
1
bc1
bc2
ac1
R551
7.32k
R558
10k
R556
10k
R552
100k
100k
R598
34.1k
R553
100k
100k
D538
MTZJ15A
C545
10
Q534
2SC945
Q539
2SC945
SYNC BUFF
SYNC BUFF
Q538
2SC945
Q525
2SA733
OVP
OVP
D529
1N4148
C554
680p
680p
C546
56p
C558
0.1
100V
C561
680p
680p
100V
C559
2200p
R561
47k
C562
0.1
R569
680
1/2W
R593
JW
R570
2.2k
2.2k
R559
1k
C564
47
25V
1%
R599
2.61k
50V
C599
220
R5143
0.12
D
Schematic diagram
-
c
board
l
l
l
l
l
D
Schematic diagram
Ò
Ò
Ò
Ò
Ò
-
b
board
5-21
5-22
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
0.1
16.5
4.9
2.6
5.9
5.3
2.5
5.3
5.0
1.7
124.4
7.0
0.1
3.4
2.5
0.4
1.1
5.0
7.1
2.1
2.6
0.1
0.1
18.7
1
2
3
4
5
6
7
8
1
2
3
1
2
3
S
L
G
N
1
2
3
4
5
6
7
4
1
2
3
1
2
3
4
5
6
7
8
11
12
9
10
13
14
15
16
17
CN602
TH602
R629
D611
R628
C649
C648
C618
C619
FB612
FB613
C601
R601
#2 C602
13mH
LF601
SW601
TH601
C607
C608
D605
T603
D606
D607
R610
R611
R609
FB602
FB617
R615
R614
C611
R616
1%
1%
IC606
D608
Q601
D609
R623
R621
R622
C614
R625
R624
R626
C615
R619
R618
C613
C616
R620
R642
#2 R640
C622
R641
D617
D616
D615
FB608
D628
C630
C628
C625
C626
R652
L604
L603
R656
C634
C612
L602
L607
CN601
RY601
F601
R643
Q615
R655
R630
C604
R605
#2 Q602
FB621
R653
C620
IC601
R627
R612
IC602
IC603
R644
IC607
Q608
Q607
D619
FB606
FB607
CN603
3P
DGC
NC
DGC
1k
1/4W
1N4148
62
1/4W
4700p
400V
4700p
400V
10
50V
0.1
50V
50V
600µH
600µH
0.47
250V
250V
560k
1/2W
1/2W
0.68
250V
250V
10
C610
4700
250V
4700
250V
220
35V
35V
0.1 400V
UF4007
#2 JW106
1N4148
RD27EB4
10
18
2.7k
1/4W
1/4W
2µH
3µH
1.82k
0.22
2W
R678
1.5M
1.5M
R670
1.5M
1.5M
680p
50V
3.32k
MCR100
RD27EB4
2SA733
SW
100
220
220
0.1
50V
50V
10k
9.1k
10k
100
16V
16V
10k
10k
270p
50V
C654
22
25V
0.1
50V
50V
1k
AC RECT
D601
D4SB60L-F
220
1/4W
470k
2200p
470
D610
1N4148
D629
1N4148
1N4148
D630
1N4148
UF5402G
31DF2
UF5404G
D631
UF5404G
C645
470
16V
16V
3µH
FB622
3µH
FB619
2µH
ER206
D613
ER206
1000
25V
2200
25V
220
100V
100
250V
100
1W
R669
1
100µH
100µH
10k
1000
16V
0.01
100µH
L605
100µH
100µH
AC-SOCKET
4A
250V
115k
1%
#2 R675
107k
1%
2SC945P
RELAY DRIVE
3.3k
3.9k
470p
250V
250V
75k
2W
2SK2843
SWITCHING
220
2W
100p
1kV
KA3842
PWM CONTROL
1k
4.99k
R677
1M
1%
TLP621Y
VOLTAGE
FEED BACK
TL431
VOLTAGE
FEED BACK
2.8k
1%
LM7812
+12V REG
RN1203
+6.3V SW CONT
2SA966
+6.3V SW
1N4148
D632
1N4148
3µH
3µH
7P
-15V
2
1
3
5
4
6
1
2
4
3
COMP
FB
ISENSE
OSC
VAEF
Vcc
OUT
GND
VIDEO+81V
+12V
ABL
AGND
+5V
HEATER
AGND
ad1
+15V
POWER
+81V
+200V
+16V
+16V
IN
OUT
GND
D
-d
(POWER SUPPLY)
DGC
TO A BOARD
CN303
B-SS3578<U/C>-D..-P4-EPS05
C646
1000
1000
25V
R410
1.5
1W
R405
JW
C603
470p
250V
470p
250V
C640
0.1
250V
L608
C623
100p
100p
#2 C652
0.1
250V
ad2
bd1
de1
de2
de4
de3
FB601
A
G
K
#2 L606
#2 C606
330
400V
VA603
VA601
K
R
A
C639
1000p 1kV
+5V
L601
100µH
C651
1000
1000
25V
JW
R647
R645
JW
#2 JW105
L609
100µH
3µH
2µH
JW
FB609
3µH
18
FB605
JW
5-23
5-24
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
R5141
10k
R5137
68k
C594
0.1
100V
C588
3300p
100V
Q545
H2N6718L
R5140
-15V
R5135
10k
R5138
51k
IC504(2/2)
LM358
C587
0.1
10.5k
R5136
C586
10
+12V
6
5
8
7
4
R5139
100
Q546
2SB647
430
1/4W
C597
0.22
50V
D6000
1N4148
ZD6001
HZ27V-2
R6008
C6000
100
16V
IC6000
TOP223Y
D6002
L6001
100µH
CHOKE
R6003
Q6000
RN1001
R6006
10k
L6000
5.2µH
C6003
4700
16V
C6004
470
16V
R6007
100
0.01
50V
C6005
330
R6001
75
IC6001
LM431
R6005
3.16k
1/4W
R6004
3.4k
1/4W
D620
JW
+5V
C6006
220
16V
R4001
150
C6002
PH6001
TLP621Y
D6003
PS104R
PS104R
D6001
BYV26C
C6007
2200p
2200p
1kV
FB618
3µH
R6010
13
C6001
47
50V
33
T6000
D6005
F10P06Q
R6002
160
PH6000
TLP621Y
5
4
9
8
7
6
2
2
2
3
3
4A
1
1
0.1uF
50V
R4112
10k
1/4W
C4006
0.1
R4114
20k
R4113
56k
1/4W
R4116
15k
1/4W
Q4003
2SD669A
R4119
30R
2W
R4007
82k
1/4W
Q4001
2SD669A
R4009
100
Q4002
HSB649
R4110
30
2W
CN4001
4P
CN506
2P
C4005
0.22
100V
R4008
12.4k
1/4W
R4111
14.3k
1/4W
C4003
100V
0.1
R4118
IC4002
LM358
(1/2)
AMP
Q4004
HSB649
L507
100µH
-15V
-15V
100
1/4W
C4002
47
25V
R4117
5.23k
1/4W
C4007
0.1
100V
C4008
0.1
100V
C4001
0.1
R4115
24.9k
1
8
8
4
7
6
5
4
2
3
+15V
R4003
10k
R4006
R4005
100k
1/4W
IC4002
LM358
(2/2)
AMP
20K
1/4Ws
1/4W
+5V
+5V
+5V
D-e
(H.CONV,V.CONV)
B-SS3578<U/C>-D..-P5-EPS05
1
2
3
4
1
2
ae1
de1
de2
de3
de4
PMG0
SDA
SCL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
IC4001
M62393P
VrefL
Vrefu1
GND
Vrefu2
AO1
AO2
AO3
AO4
VCC
VDD
CS2
CS1
SCL
SDA
AO5
AO6
AO7
R
CS0
AO8
R6009
27k
2W
C4009
100
25V
#2
D
Schematic diagram
Ò
Ò
Ò
Ò
Ò
-
d
board
D
Schematic diagram
-
e
board
l
l
l
l
l
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 JW
L7032 JW
L7033
2.3µH
2.3µH
2.3µH
L7020
2.3µH
L7019
L7021 JW
L7022 JW
L7023 JW
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
C7008 3.3
C7023 47p
C7021
C7022
330
0.1
10V
50V
C7019
330
10V
C7020
0.1
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 10V
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
RYC8220
POWER SWITCH
RYC8220
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
R7034 24
R7032
1/4W
24
R7033
1/4W
24
R7035 24
L7030 2.3µH
L7029
L7027 JW
L7026 JW
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
#2
#2
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