Mitsubishi Electric LT-37131 Service Manual page 42

1 2 3
PG 2.....POWER
A
B
C
PF12
PF11
R9A82
1.2K
1/6W OR 1/4W
BRIGHT
BRIGHT
12
R9A81
12V 1.2K D9A49 D9A50
D INV-SW
INV-SW 1/6W OR 1/4W ISS355 ISS355
11
GND
10
R9A83 R9A84
GND 4.7K 4.7K
1/16W 1/16W
9
R9A85
GND 4.7K
INV-SHORT
8 1/16W
GND
PF 7 Q9A17
2SC3052-T112-1E,F R9A86
1.2K
GND
1/16W
6
D9A51
ISS355
VINV (24V)
5
VINV
(24V)
4
VINV (24V) VINV24V-2
3
ISS355
E 1 D9A52
VINV
(24V)
2
24 V
VINV (24V)
1
R9B03
22K
1/16W
24 V
GND
14
R9B04
22K
1/16W
BRIGHT
BRIGHT
13
PD13
INV-SW
INV-SW
12
PD12
C9A93 C9A94
11 0.01 0.01
50V 50V
F
GND
10
GND
9
12VS
GND
8
GND
7
GND 12VSC
6
VINV (24V) PANEL-PWR
5
R9A57 C9A53
47K
0.1
VINV 1/16W 50V/25V
(24V)
4
VINV24V-1 R9A58
47K
1
VINV 1/16W PANEL VCC (12VSC)
(24V)
3 SUPPLY SWITCH.
VINV (24V) 8 7 6 5
G
2 Q9A14
TPCP8J01(te85lf,f)
VINV (24V)
1
1 2 3 4
H
12VS
1
PANELVCC
1
I
12VS
7 6 5 4 3 2 1 4 3 2 1
PJ
PG
J
K
4 5 6
COLD HOT
IC9A40
STR-T2268
6
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C9A97
220
2KV
374 V
C9A60 C9A69
0.18 0.068
630V 25V
D9A46
R9A90 EG01C
330K D9A45
1/4W AL01Z
R9A71
10
1/2W C9A68
R9A91 0.22 R9A70
330K
50V C9A62 1M
1/4W V25
1/16W
1UF
R9A65
R9A92 C9A65
330K 1.2K
C9A64 R9A68 1500
1/4W 47U C9A67 1/4W
33K 50V
50V 1/16W 1500
50V
C9A66
10U *
50V
R9A63
0.39
C9A63 R9A69 R9A64 2W
1U 100
100
50V 1/10W 1/4W
* R9A62
D9A44 C9A70 0.39
AL01Z C9A71
220U 10 2W
35V
1KV
C9A61
0.22
R9A72
50V
D9A38 0
AK04 1/6W OR 1/4W
25 V
D9A43
AL01Z
374 V
D9A41 R9A66
EG01 12K
1/4W
374 V
4 5 6 7 9 10
Q9A16
2SA1235A-T112-1E,F
R9A79
4.7K
1/16W T9A20
ST-3166
L9A07 20 19 17 16 14 13 12 11
2.7MH D9A48
FMXA-2203S
L9A08 C9A85 R9A93
F9A08
2.7MH 470 330
125V 10A 2W
24 V 1KV
L9A09
2.7MH
C9A79
470U C9A72 C9A73
35V 1000U 1000U
35V 35V
D9A47
L9A10
FMXA-2203S
2.7MH F9A07
125V 10A
24 V 24 V
C9A74 C9A75
C9A78
1000U 1000U
470U 35V 35V
35V
12VS
12VS
C9A54
C9A56
470U
0.01
50V 16V
12VSC
C9A40
C9A50
0.01 470U
16V
50V
MODELS CHASSIS
R9A62
0.27
LT-46231 VLP33+
LT-46131 VLP33 0.27
LT-37132 VLP33+ 0.39
0.39
LT-37131 VLP33
7 8 9 10
D9A01
D6SB80
F9A09 C9A83
125V 7A AC250V E2200P-M (X1/Y2) RA(OOG
C9A02
R9A60
820
200V 1M
1/2W
D9A40 C9A81
EG01 AC250V E2200P-M (X1/Y2) RA(OOG
C9A96
220 R9A61
C9A03
2KV 820 1M
1/2W
200V
21
F9A06
125V 1A
C9A84
220
2KV
IC9A10
R9A67 STR-G9628
330
1/16W
5 4 3 2 1
C9A30
1000
1KV
C9A19 GS-056081
0.018
630V D9A05
4 3
RG10A
C9A18
L9D05
470
BL02RN1-R3
50V
R9A23 C9A01
680 C9A28
3300P-J 820
1/4W
630V 200V
D9A39 5 6
R9A22 R9A19
MAZ83000H
0.22 0.56
2W 2W
R9A21
0.22
2W
D9A23
MAZ81200H
R9A16
F9A05
10K 125V 1A
1/16W
HOTGND
R9A29
10K
R9A28 R9A18
1/16W 82K 82K
1/2W 1/2W
C9A20
D9A22
1000
MAZ80680H
50V C9A21
100U R9A42 R9A56 R9A36
35V 18K 18K 18K
1/2W
R9A44 1/2W 1/2W
PC9A30 1.8K-J
SFH615A-3 1/2W
4
3 D9A07
D9A09
AG01Z AG01Z
L9D04
BL02RN1-R3
R9A04
1 2
33
1/2W
8 7 5 4 2
T9A10
R9A73 SRW40EC-X50H117
4.7K R9A74
1/16W 2.2K
1/16W
R9A76
18K
1/16W
R9A75
0
1/16W
C9A77 R9A78
0.22 1.2K K 2
1/16W
50V
1 IC9A50
Ref
RT9H301C
A 3
R9A80 9 10 11 12 13 14 15 16
2.2K
1/16W
F9A01
125V 5A
C9A14
680
1KV
12 V
C9A37 C9A34 C9A33
1000U C9A36
1000U 1000U
16V 1000U
L9A21 F9A03 16V 16V
16V
2.7MH 125V 7A R9A94
C9A35 D9A31
1000U 100
2W FMB-G19L
16V 2
L9A20
D9A32
2.7MH
FCH20A10
L9A18
1 3
6.8MH 9X9.5
R9A77
470
F9A04 3W
125V 4A
R9A87
470
3W
24V
21V
C9A17
1UF
V25
21VAUD
PH1 PH2 PH3
PH4
PH
R9A63
0.33
0.33
0.39
0.39
11 12 13
C9A10
AC250V E2200P-M (X1/Y2)
3
HOTGND
1 4
2
C9A08
1 HOTGND
C9A04 AC250V E2200P-M (X1/Y2)
D9A00
330
D6SB80
200V
PC9A20
SFH615A-3
AC-OFF BUFFER
4
L9D06 AC-OFF
R9A97
2 1 68K 3
1/16W
Q9A10
2SC3052-T112-1E,F
R9A98
6.8K
1/16W C9A42
1U
16V
R9A43
7 8 5.6K
1/16W
INVERTER SWITCH RELAY
1S2076A/1S2471OM
K9A20
12V LKS1AF-12V
3
C1
Q9A09
4
2SC3052-T112-1E,F C2
K9A21
R9A41
3.3K LKS1AF-12V
INV-PWR 1/16W
C1 3
R9A40
4
22K C2
1/16W
1S2076A/
1S2471OM
R9A39
3.3K
1/16W
INV-RELAY
Q9A08
2SC3052-T112-1E,F
HOT R9A38
22K
1/16W COLD
C9A44
0.01
25V/50V
4 3
3
C1
PC9A10
4
1 2 SFH615A-3 C2
R9A08
2.2K
K9A10
1/16W
MAIN-RELAY Q9A01 LKS1AF-12V
2SC3052-T112-1E,F
R9A07
22K
1/16W
COLD
IC9A10 IN-RUSH RELAY.
R9A99
10
1/4W 12V
12V
R9A33
220
1/16W
1
R9A32
1K 12VA
1/16W
R9A31
220
1/16W
R9A34
18K
1/16W C9A43
50V
0.22 K 2
IC9A20
1
Ref
RT9H301C
R9A35 3
A
4.7K
1/16W
IC9A60
PQ1CY1032ZPH
1 2 3 4 5
R9B01
82K
1/16W
C9A88
C9A89 0.01
470U 50V
35V
C9A87
0.01
R9A52 R9A53
7.5K 8.2K 25V/50V
1/16W 1/16W
L9A37
GSRH127-470M
R9B02
L9A34 C9A91 39K
22MH 9X9.5 0.1 1/16W
50V/25V C9A90 D9A54
SFPB-74
1000U R9A55
1K
25V
L9A35 1/16W
22MH 9X9.5
C9A92
0.01
R9A88
25V/50V
0
1/6W
21VAUD SUPPLY SWITCH.
C9D10 C9D11 C9D12 C9D13
0.01 0.01 0.01 0.01
25V/50V
25V/50V 25V/50V 25V/50V
C9D17
C9D14 C9D15 C9D16
0.01 0.01 0.01 0.01
25V/50V 25V/50V 25V/50V 25V/50V
PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PA10 PA11 PA12 PA13
1 2 3 4 5 6 7 8 9 10 11 12 13
PA
(TO SHILD EARTH)
14 15 16
R9A12
10K
1/16W
30Vp max.
AC-OFF
1 DETECT.
Q9A02
2
2SC3052-T112-1E,F
R9A09
220K
1/2W
R9A11
220K
1/2W
D9A02
1S2076A/1S2471OM
R9A10
D9A03 15K
UDZS5.6B
1/16W
HOTGND
2 S2
1
S1
R9A02 R9D01
6.8
6.8
10W
2 S2 10W
1
S1
INVERTER
IN-RUSH RELAYS.
R9A01
HOT 6.8
10W
4
1
2 L9D03
S2
TF3524V-402Y6R0-01
1 2 3
S1
C9A06
AC250V E2200P-M(X1/Y1)
C9A05
AC250V E2200P-M(X1/Y1)
C9D07
0.47
AC250V/275V
4
1
L9D02
TF3524V-402Y6R0-01
R9A05 2 3
4.7M (UL)
1/2W
C9D03
0.47
AC250V/275V
J7
J6
C9D01
0.47
AC250V/275V
AG9D00
RV9D01
DSS-302M
J3 J4
J1 J2
RV9D00
F9D00
S10A 125V
NC
1 2 3
L N
PS
TO AC POWER CORD
LT-37131 VLP33
CONTENTS
LT-46131 VLP33
PG 1.....BLOCK
LT-37132 VLP33+
PG 2.....POWER
LT-46231 VLP33+
PG 3.....SIGNAL1 [TERMINAL]
PG 4.....SIGNAL2 [VIDEO SW / AUDIO AMP]
PG 5.....SIGNAL3 [3DYC / NTSC DECODER]
PG 6.....FRONT, E2P, AT-SW, PREAMP
PAGE 2