Read Sony HMD-A400 Service Manual online
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
C602
22mH
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
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
Q602
FB621
R653
C620
IC601
R627
R612
IC602
IC603
R644
IC607
Q608
Q607
D619
FB606
FB607
CN603
3P
DGC
NC
DGC
1k
1/4W
1SS119
62
1/4W
4700p
400V
4700p
400V
10
50V
0.1
50V
50V
600µH
600µH
0.47
250V
250V
560k
1/2W
1/2W
1
250V
10
C610
4700
250V
4700
250V
C650
630V
0.022
C609
630V
0.33
220
35V
35V
0.1 400V
UF4007
FB614
3µH
FB615
3µH
1SS119
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
4.22k
HXL1225-AB
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
100k
2200p
470
D610
1SS119
D629
1SS119
1SS119
D630
1SS119
PG104R
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
100V
100V
100µH
L605
100µH
100µH
AC-SOCKET
4A
250V
115k
1%
R675
107k
107k
1%
2SC945P
RELAY DRIVE
3.3k
3.9k
470p
250V
250V
75k
2W
2SK2607
SWITCHING
220
2W
100p
1kV
KA3842
PWM CONTROL
4.12k
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
1SS119
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
20V
R410
1.5
1W
R405
JW
C603
470p
250V
470p
250V
C640
0.1
250V
L608
C623
100p
100p
C652
2200p
500V
ad2
bd1
de1
de2
de4
de3
FB601
A
G
K
4
3
6
1
T601
L606
D621
BYU26C
C606
330
450V
VA603
VA601
UF5406
D623
K
R
A
C639
1000p 1kV
+5V
L601
100µH
C651
1000
1000
25V
JW
R647
R645
JW
FB616
3µH
L609
100µH
3µH
2µH
15µH
FB609
3µH
18
FB605
JW
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