DOWNLOAD Sony HMD-A240 Service Manual ↓ Size: 10.22 MB | Pages: 60 in PDF or view online for FREE

Model
HMD-A240
Pages
60
Size
10.22 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / S/M HMD-A240 02 US CAN
File
hmd-a240.pdf
Date
PREV: Sony HMD-A440 Service Manual

Sony HMD-A240 Service Manual ▷ View online

— 18 —
HMD-A240
        
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
JW
4
JW
6
J
W7
J
W1
0
JW
1
4
JW
1
8
JW
1
9
JW20
JW
21
J
W2
2
C002
C
00
6
C0
07
C
00
9
C0
11
C0
1
6
C0
2
2
C0
28
C
04
7
F
B0
01
FB004
FB
0
06
F
B0
08
FB
01
6
L
00
2
L005
R
04
8
R0
53
SG001
C1
0
2
D306
FB
3
01
FB
2
01
C
30
6
D
20
6
FB
1
01
SG
30
1
S
G1
0
1
S
G2
0
1
D2
04
C
10
6
JW
2
3
C
20
6
L
20
5
D
10
6
D205
D305
L
30
5
D3
04
R3
1
1
R2
1
1
R111
SG003
S
G0
02
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C0
36
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C
01
3
JW15
JW
2
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F
B0
17
F
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1
0
JW16
J
W8
J
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J
00
1
JW
1
3
JW
11
R3
51
R
25
1
R1
51
FB
00
3
D1
05
JW
24
JW17
JW1
C2
02
C3
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C0
54
C0
03
L0
01
R
16
1
R361
R261
JW
3
JW5
R3
17
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1
7
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D104
L1
0
5
L0
07
R0
64
C018
C0
3
5
C
01
4
F
B0
0
5
C
N
3
0
8
C
N
3
0
5
C
N
3
0
4
CN309
C
N
3
0
2
I
C
0
0
4
Q
0
0
1
I
C
0
0
2
I
C
0
0
3
I
C
0
0
1
C
N
3
0
1
C
N
3
1
0
CN307
C
N
3
0
6
C
N
3
0
3
        
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
FB
0
02
1
2
10
11
1
B
E
1
8
9
16
1
6
1
8
9
I
IC
SD
A
G
ND
I
IC
S
CL
BP
C
LP
VR
T
RC
HR
T
RC
NC
+
80
V
G
ND
H1
+
12
V
GN
D
+
5V
1
11
1
1
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1
6
30
7
C
BL
K
G1
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RE
D
R.
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GR
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D
B
LU
E
B.
GN
D
ST
B
Y 
5
V
1
+1
80
V
A
-
1
2
9
9
-
(
1
-
7
1
9
-
6
4
2
-
2
1
)
1
-
6
8
0
-
9
1
2
-
2
1
5
1
4
-
A
1
A
B
C
D
E
2
3
4
5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
R2
1
1
R3
11
D3
1
1
C
01
1
C0
1
4
C0
16
C
03
6
C
05
4
FB
00
1
C2
0
7
C3
07
C
20
4
C
30
5
C2
05
R3
04
R1
0
5
R1
02
R1
0
9
R3
02
R3
0
9
R1
08
R2
0
8
R3
08
R2
0
6
C
30
2
C0
3
0
Q
00
1
R3
06
C0
28
R
05
0
C0
2
7
R
04
7
R2
3
0
C2
5
1
R1
30
C0
04
D
11
1
R1
1
9
R0
1
8
R
16
1
FB
01
6
FB
01
0
R0
0
9
R0
21
R2
19
C3
0
4
C
05
0
C0
12
C
01
0
C1
04
C
04
9
R0
30
R0
1
9
C0
92
C3
06
D2
06
SG
20
1
D
10
6
C
10
6
D
10
5
S
G0
02
C0
0
6
C
20
6
D2
0
4
D1
0
4
L3
05
C0
3
7
C
03
9
D3
04
R0
0
6
C0
46
R
05
1
C1
0
7
C
01
5
JR
8
C0
5
1
C0
55
R1
0
4
R0
32
FB
0
06
FB
01
7
R3
1
9
R3
51
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5
1
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5
1
C0
0
3
JR
2
R
21
7
R3
17
SG
00
1
R
05
3
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2
9
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40
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23
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49
R
04
6
C
21
2
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B2
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15
1
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07
R
01
7
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20
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0
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02
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04
R0
05
F
B0
0
8
L
00
2
R0
0
1
R0
24
JR
7
F
B0
0
3
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6
1
F
B3
0
2
C
35
1
C
20
2
F
B1
01
S
G3
01
L1
05
FB
0
05
R
30
5
R
20
2
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0
5
R0
48
C
03
5
R0
64
C
01
3
C
N
3
0
8
C
N
3
0
7
C
N
3
0
1
I
C
0
0
2
C
N
3
0
6
C
N
3
0
2
I
C
0
0
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C
0
0
3
C
N
3
0
4
C
N
3
0
3
C
N
3
1
0
I
C
0
0
5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
F
B0
0
2
1
2
11
10
E
B
C
 S
YN
C
I
IC
SD
A
GN
D
I
IC
SC
L
BP
CL
P
C
BL
K
V
RT
R
C
H
RT
R
C
+
18
0V
NC
+
80
V
GN
D
H1
+
12
V
GN
D
+5
V
3
0
1
1
5
16
1
1
1
G1
1.
2K
V
1
16
9
8
S
TB
Y
 5
V
B
.G
ND
B
LU
E
G
.G
ND
G
RE
EN
R
.G
ND
R
ED
1
-
6
8
0
-
9
1
2
-
2
1
(
1
-
7
1
9
-
6
4
2
-
2
1
)
1
A
B
C
D
E
2
3
4
5
A
[Video]
COMPONENT SIDE
CONDUCTOR SIDE
A BOARD LOCATOR LIST
1
2
3
.725 Vp-p (H)
.705 Vp-p (H)
.701 Vp-p (H)
4
5
6
3.188 Vp-p (H)
2.938 Vp-p (H)
2.769 Vp-p (H)
7
8
9
40.94 Vp-p (H)
38.75 Vp-p (H)
35.94 Vp-p (H)
10
11
12
COMP COND
D001
A-4
--
D104
B-3
--
D105
B-3
--
D106
A-3
--
D111
--
D-4
D204
B-3
--
D205
A-4
--
D206
A-3
--
D211
--
D-4
D304
B-4
--
D305
A-4
--
D306
A-2
--
D311
--
D-5
COMP COND
IC001
D-2
--
IC002
C-4
--
IC003
D-3
--
IC004
B-1
--
COMP COND
Q006
--
D-2
            DIODE
               IC
     TRANSISTOR
— 20 —
HMD-A240
32
0.4
19
10.7
pin
volt
pin
volt
pin
volt
pin
volt
33
0.5
20
9.9
1
1.6
1
77.4
1
5
1
-0.1
34
5
21
1.5
2
14.3
2
NC
2
0
2
0.0
35
5
22
10.4
3
-13.3
3
GND
3
GND
3
2.5
36
4.4
23
4.9
4
-14.4
4
-75.7
4
2.5
37
4.7
24
5.1
5
0.3
5
0.0
pin
volt
5
-14.8
38
5
25
4
6
13.8
6
-65.7
1
12.1
6
2.5
39
5
26
0.4
7
1.6
7
-66.1
2
5
7
2.5
40
NC
27
4.9
8
-75.1
3
GND
8
0.2
41
NC
28
0
pin
volt
9
-74.9
9
0.2
42
NC
29
0.4
1
12.1
10
NC
pin
volt
10
14.7
43
NC
30
GND
2
4.7
11
GND
1
4.8
44
0.1
3
4
12
NC
2
4.9
pin
volt
45
2.4
pin
volt
4
6.3
13
0
3
4.9
1
0.1
46
0.5
1
GND
5
8.8
14
6.1
4
4.8
2
4.9
47
0.5
2
GND
6
6.2
5
4.9
3
2.7
48
3.7
3
GND
7
GND
pin
volt
6
4.9
4
1.6
49
5
4
5.0
8
0.2
1
3.0
7
4.9
5
4.8
50
0.3
5
5.0
9
GND
2
8.7
8
4.9
6
4.8
51
5
10
8.4
3
GND
9
4.8
7
0
52
5
pin
volt
11
4.6
4
6.3
10
12.1
8
NC
53
5
1
GND
12
5.8
5
1.2
11
4.1
9
5
54
5
2
GND
13
5.8
12
4.9
10
GND
55
NC
3
GND
14
5.8
pin
volt
13
4.9
11
5
56
GND
4
GND
15
7.1
1
9.3
14
4.4
12
5
5
5
16
11.6
2
8.2
15
1.1
13
5
pin
volt
6
5
17
12.1
3
-73.9
16
4.7
14
0.5
1
2.2
7
5
18
8.8
4
-65.3
17
4.4
15
5
2
4.9
8
5
19
9.4
18
GND
16
4.3
3
4.7
20
8.2
pin
volt
17
NC
4
4.5
pin
volt
21
0
1
2.5
pin
volt
18
4
5
GND
1
0
22
4.7
2
GND
1
-0.1
19
-0.2
6
3.9
2
5
23
4
3
6.9
2
0.0
20
0.1
7
6
3
5
24
4
3
2.2
21
NC
8
4.9
4
0
pin
volt
4
2.2
22
0.1
9
4
5
GND
pin
volt
1
14.7
5
2.2
23
4.9
10
5
6
NC
1
1.1
2
12.1
6
0.0
24
5
11
6.8
7
GND
2
1.1
3
GND
7
-14.8
25
0.0
12
4.6
8
5
3
-14.9
4
4.8
8
GND
26
0
13
NC
9
0
4
-2.8
9
14.7
27
0.4
14
0.4
10
0.4
5
14.7
10
3.2
28
0.1
15
GND
11
4.7
29
GND
16
11.7
12
4.7
30
0.4
17
0.4
13
0
31
5
18
4.9
14
5
All voltages are in V
     IC605
     IC502
     IC902
     IC908
     IC604
     IC702
     IC904
     IC602
     IC905
     IC603
     IC901
     IC608
     IC501
     IC701
     IC401
     IC601
     IC607
     IC703
D BOARD IC VOLTAGE LIST
1
2
4.43 Vp-p (H)
3.14 Vp-p (H)
5
6
1.165 kVp-p (H)
92.00 Vp-p (H)
7
8
9
1.44 Vp-p (H)
56.31 Vp-p (H)
11.56 Vp-p (H)
4
5.51 Vp-p (H)
3
5.11 Vp-p (H)
10
11
12
9.83 Vp-p (H)
9.23 Vp-p (H)
11.56 Vp-p (H)
13
14
1.46 Vp-p (H)
1.175 kVp-p (H)
15
1.56 Vp-p (H)
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