Sony KLV-40S310A Service Manual ▷ View online
– 39 –
KLV-40/S, 40S310A
RM-GA008
BG1 BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC2005
1
16.2
2
16.1
3
8.9
4
2.5
5
0
IC2009
1
0
2
1.7
3
1.7
4
0
5
1.4
6
1.6
7
3.7
8
3.9
9
0
10
3.8
11
1.6
12
0
13
0
14
1.0
15
3.9
16
1.2
17
0.1
18
11.1
19
0
20
0
21
0
22
0
23
11.1
24
0
25
0
26
16.2
27
16.1
28
0
29
0
30
11.5
31
11.5
32
0
33
0
34
16.2
35
16.2
36
0
37
0
38
4.1
39
0
40
0
41
0
42
0
43
11.1
44
15.6
45
16.2
46
0
47
16.2
48
16.2
IC3006
1
3.2
2
0
3
3.2
4
0
5
1.7
IC3007
1
3.2
2
3.2
3
0
4
0
5
0
6
0
7
3.2
8
3.2
IC3009
1
(3.2)[0]
2
0.4
3
0.2
4
0
5
3.1
6
3.1
7
3.1
8
3.0
IC4001
1
11.9
2
11.1
3
3.7
4
4.9
5
0.5
6
0.5
7
0.5
8
1.2
9
1.2
10
0.5
11
0.7
IC4702
1
0
2
1.3
3
1.2
4
1.4
5
0
6
0.8
7
0.9
8
0.7
9
0.5
10
0
11
0.5
12
0.8
13
0.7
14
0.8
15
1.1
16
1.2
17
1.2
18
1.4
19
0
20
3.3
IC4800
1
1.2
2
0
3
1.2
4
0
5
2.6
6
4.6
7
1.2
8
2.6
9
4.7
10
0
11
4.7
12
4.7
13
1.2
14
0
15
1.2
16
0
17
2.5
18
4.5
19
3.1
20
3.1
21
1.2
22
0.2
23
1.2
24
0
25
2.5
26
4.7
27
1.7
1.160Vp-p
PAL
1
1.400Vp-p
NTSC
1
28
0
29
4.7
30
0
31
1.7
32
0.5
33
1.4
34
1.8
1.120Vp-p
PAL
2
1.360Vp-p
NTSC
2
35
1.0
2.160Vp-p
PAL
3
2.800Vp-p
NTSC
3
36
1.4
37
0.5
38
1.7
39
4.7
40
4.7
IC5000
1
0
2
0
3
0
4
0
5
(3.0)[2.8]
6
(3.0)[2.8]
7
0.6
8
2.8
IC5001
1
0
2
3.3
3
3.3
4
0
5
3.2
6
0
7
0
8
0
9
3.2
10
0
11
3.2
12
3.1
13
0.2
14
3.2
IC5500
1
0
2
4.7
3
4.7
4
0
5
3.2
6
3.3
7
0
8
3.2
9
0
10
0
11
3.3
12
3.2
13
3.2
4-4. VOLTAGE MEASUREMENT AND WAVEFORMS
– 40 –
KLV-40/S, 40S310A
RM-GA008
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
BG1 BOARD VOLTAGE LIST AND WAVEFORMS
14
3.3
15
3.2
16
0
17
3.3
18
*
19
0
20
0
21
0
22
3.2
23
0.2
24
0
25
3.1
26
3.0
27
3.3
28
3.2
29
2.8
30
0
31
3.2
32
2.8
33
3.2
34
2.8
35
3.2
36
0
37
0
38
4.9
39
4.9
40
0
41
0
42
0
43
3.2
44
0
45
0.4
46
0.4
47
0
48
3.3
49
3.2
50
3.3
51
3.3
52
3.2
53
0
54
3.3
55
3.3
56
3.2
57
3.3
58
3.2
59
0
60
0
61
3.3
62
0
63
4.7
64
4.7
65
0
66
0
67
3.2
68
3.3
69
3.3
70
3.3
71
3.3
72
0
73
3.3
74
3.3
75
3.3
76
3.3
77
3.3
78
0
79
3.2
80
0
Q4012
1
11.9
2
11.9
3
11.9
4
1.0
5
11.9
6
11.9
7
11.9
8
11.9
– 41 –
KLV-40/S, 40S310A
RM-GA008
4-5.
PRINTED WIRING BOARDS
– BG1, D1 & G3 Boards –
[POWER SUPPLY]
G3
[I/O/AUDIO/MAIN
µ
CON/VSW.TRIDENT/DDR/HDMI.PC/POWER.DC_ALERT/TUNER.MSP]
BG1
Board
Function
Note
BG1
I/O/Audio/Main
µ
con/
VSW.Trident/DDR/
HDMI.PC/
Power.DC_Alert/
Tuner.MSP
HDMI.PC/
Power.DC_Alert/
Tuner.MSP
D1
Inverter
G3
Power Supply
Due to complexity of the board, performing component
level field repair is not recommended.
If service is required, complete board replacement is
required. The Printed Wiring Boards (PWB) are not
included in this service manual. For part number
information refer to the Exploded View or Electrical Parts
lists section of this service manual.
level field repair is not recommended.
If service is required, complete board replacement is
required. The Printed Wiring Boards (PWB) are not
included in this service manual. For part number
information refer to the Exploded View or Electrical Parts
lists section of this service manual.
[INVERTER]
D1
– 42 –
KLV-40/S, 40S310A
RM-GA008
– H4S Board – (Component Side)
– H4S Board – (Conductor Side)
[OPTICAL SENSOR]
H4S
1-875-045-11
EP-(GW+GN)
A-1319-537-A
(1-729-100-11)
O
VCC
R401
R402
C401
C402
C403
D401
IC401
1
3
CN401
JL401
JL402
JL403
– H3S Board – (Component Side)
– H3S Board –(Conductor Side)
1-875-044-11
Optical
Sensor
(1-729-100-11)
PWR
DATA
REC
TREC
TIMER
PICOFF
LED
D308
A-1319-536-A
IC320
D302
D305
STBY
B
E
B
E
B
E
Q301
Q302
Q305
R301
R302
R303
R304
R305
C301
C320
JL305
C322
D302
D305
D307
D308
D320
IC320
(1-729-100-11)
1-875-044-11
CN301
EP-(GW+GN)
B
E
B
E
B
E
1
9
Q303
Q304
Q320
CN301
R320
R321
R322
R323
R324
R325
R326
R327
R328
JL301
JL302
JL303
JL304
JL306
C323
JL307
JL320
JL321
D301
D303
D304
D306
[LED]
H3S
– H1 Board – (Component Side)
[KEY]
H1
– H1 Board – (Conductor Side)
HOME
INPUT SEL
CH-
CH+
POWER
(1-729-100-11)
1-875-043-11
A-1319-
S101
S102
S103
S107
S105
S106
S104
VOL+
VOL-
MENU
WEGAGATE
C103
R101
R102
R103
R104
R105
R106
R107
R108
S101
S102
S103
S104
S105
S106
S107
(1-729-100-11)
CN101
1-875-043-11
CN102
1 2
1
3
CN101
CN102
C101
C102
JL101
JL102
JL103
D101
D102
Click on the first or last page to see other KLV-40S310A service manuals if exist.