Mitsubishi Electric LT-37131 Service Manual page 43

1 2 3
PG 3.....SIGNAL1 [TERMINAL]
A
B
C
INT3-C
INT3-Y
INT3-V
INT3-SSW PJ2J01
D
YKC22-0827N
440C454-10
INPUT1 INPUT2
INT1-SSW
INT1-Y
D2J01
D2J03
MALS068X0L MALS068X0L
INT1-C 4 C1 Y2 27
INT1-V 2 25
1 26
3 Y1
C2 28
5 24
6 S1 23
D2J04
D2J02
MALS068X0L MALS068X0L
7 V1 22
V
9 21
8 20
E
10 19
L
R2J04
INT2-SSW 120K
1/16W
11 18
INT2-Y
INT2-C
12 R 17
INT2-V
R2J05 13 16
120K
1/16W
14 15
F
G
H
I
J
K
4 5 6
1 2 3 4
BOSS
CE-3L
CE-3R CE-3C
CE-GND1 CE-GND2
R2L41 R2L43
120K 120K
1/16W 1/16W
IC3J01
MM1699XJBE
INT2-SSW C3J22
22 C3J21
16V 1U
10V/6.3V
22 BIAS 21
INPUT3 R13
C3J20
INT2-Y
1U
10V/6.3V
23 MUTE 20
L13
C3J19
1U
INT2-C INT2-C
24 ADR 19 10V/6.3V
R12
DVII
R3J26 C3J18
100 1U
1/16W
5VSDA 10V/6.3V
25 SDA L12 18
R3J25 C3J17
100
1U
5VSCL 1/16W 10V/6.3V
26 SCL 17
R11
C3J16
INT2-V HDMI2
1U
27 GND 16 10V/6.3V
L11
C3J15
1U
10V/6.3V
28 ROUT4 R10 15
HDMI1
C3J14
1U
MONITOR 10V/6.3V
29 LOUT4
L10 14
R2J09
120K
1/16W MAIN-R
30 ROUT3 13
TUNER2 R9
MAIN
MAIN-L
31 12
LOUT3 L9
C3J11
1U
R2J10
32 ROUT2 10V/6.3V TUNER1-R
120K R8 11
1/16W TUNER1
C3J10
1U
ENCORDER
10V/6.3V TUNER1-L
33 LOUT2 L8 10
C3J09
1U
10V/6.3V DM-R
34 ROUT1 9
R7
DM
C3J08
TUNER 1U
8 10V/6.3V DM-L
35 LOUT1 L7
C3J07
L3J36
9VB 221 OHM 1U
10V/6.3V
36 VCC R6 7
C3J36 C3J06
C3J37
16V 47 1U
10V/6.3V
16V 37 VCC 6
0.1 L6
C3J38
C3J05
1U 1U VLP33+ ONLY
10V/6.3V 10V/6.3V
38 L1 R5 5
COMP3
C3J39 C3J04
1U
COMP1 1U
10V/6.3V 10V/6.3V
39 R1 4
L5
C3J40 C3J03
1U 1U
10V/6.3V 40 10V/6.3V
L2 R4 3
C3J41 COMP2
C3J02
1U
INPUT2 1U
10V/6.3V 10V/6.3V
41 R2 2
L4
C3J42 C3J01
1U
1U
10V/6.3V 10V/6.3V
42 INPUT1 1
L3 R3
5VSCL,5VSDA,MAIN-L,MAIN-R
7 8 9 10
TO PWB-FRONT
CE
5 6 7 8 9 10 11 12
CE-VSW
CE-3Y CE-3V CE-SSW
CE-GND3 CE-GND4 CE-GND5
D2L51
MALS068X0L
C2L51
0.047
16V/25V/50V
D2L52
MALS068X0L
C2L52
0.047
16V/25V/50V
R2L01 100 1/10W
R2L03 100 1/10W
R2L05 100 1/10W
COMP-1 COMP-2
COMP1-Y
Y
1
2
3
COMP1-Pb
Pb
4
5
COMP1-Pr Pr
6
PJ2J04 PJ2J05
YKC21-6056N YKC21-6056N
PJ2J06
440C452-10 440C452-10 7
DVI-PC DVI-1 DVI-2
L
8
L L
R2J55 R2J59
R2J51 L
120K 120K R2J20
120K 1/16W 1/16W 120K
1/16W
1/16W 9
R
10
R R
11
R
R2J57 R2J61 R2J22
R2J53
120K 120K 120K
120K 1/16W 1/16W 12
1/16W 1/16W
SIGNAL2 SIGNAL2 SIGNAL2 SIGNAL2
11 12 13
C2L14 C2L13
K-1M 0.1 R2L96 R2L95 R2L94
25V R2L12
16V 10K 10K 10K
1/16W 1/16W 1/16W 2K
1/16W
R2L09
100
1/10W
R2L32
R2L10 1K
R2L11 2K
1/16W
100 1/16W
1/10W
R2L30
R2L08
1K
2K 1/16W
1/16W
R2L13
R2L28
100 2K
1/10W
1/16W
14 13 12 11 10 9 8
R2L33
75
1/16W
IC2L01
VLP33 ONLY
74LVC14APW-T
1 2 3 4 5 6 7
1/16W
2K
R2L06
R2L26
R2L04 1K
2K
1/16W 1/16W
L2L61
R2L93 R2L92 R2L91
10K 10K 10K R2L22 10MH
R2L02 R2L24 2K
1/16W 1/16W 1/16W 2K 1K 1/16W
1/16W 1/16W
C2L61
10
16V
C2L65
100
6.3V
C2L64
220
6.3V
R2L65
68K
1/16W
PJ2J03
PJ2J02 VLP33+ ONLY
COMP-3 MONITOR
COMP2-Y
COMP3-Y
Y Y V
24 1 23
2
23 3
22 22
COMP2-Pb
Pb Pb L
COMP3-Pb 4
21 21
R2J42
5 47K
1/16W
20 20
Pr COMP2-Pr Pr R
6
COMP3-Pr
19 19
R2J43
47K
18 7 18
1/16W
L L L
17 8 17
R2J39
R2J27 R2J44
120K
16 120K 1/16W 47K
1/16W 9 16
1/16W
15 R R R
10 15
11
R2J41
R2J29 120K R2J45
14 120K 14
1/16W 47K
1/16W 12
1/16W
13 13
R2L52
10K
R2L51
1/16W
47K
1/16W
Q2L51
2SA1235A-T112-1E,F
SIGNAL2
VLP33+ ONLY
CONTENTS
PG 1.....BLOCK
PG 2.....POWER
PG 3.....SIGNAL1 [TERMINAL]
PG 4.....SIGNAL2 [VIDEO SW / AUDIO AMP]
PG 5.....SIGNAL3 [3DYC / NTSC DECODER]
PG 6.....FRONT, E2P, AT-SW, PREAMP
14 15 16
INPUT-DET1
INPUT-DET0
Mon-L
Mon-R
9VB
R2L62
100
1/10W
R2L61
100
1/16W MONITOR-V
R2L64
68 Q2L61
1/16W
2SC3052-T112-1G
R2L63 R2L60
390 390
1/10W 1/10W
R2L66 C2L66
2.2U
1K 6.3V
1/16W
C2L67
R2L67
1K 2.2U
6.3V
1/16W Mon-R
L2L72
BLM18A601SN1
Q2L70 C2L72
C2J22 0.1
2.2U 2SC3052-T112-1G R2L70 R2L72
16V
6.3V 1K 10K
1/16W 1/16W R2L73
4.7K
1/16W
R2L71
1K Q2L72
R2L68 R2L69 1/16W 2SA1235A-T112-1E,F
C2J23 68K
2.2U 68K Mute = Low
1/16W 1/16W
6.3V
Q2L71
2SC3052-T112-1G
R2L74
C2J24 1K C2L74
2.2U 2.2U
1/16W 1AVR-L
6.3V 6.3V
R2L75
C2J25 1K C2L75
2.2U 2.2U
1/16W 1AVR-R
6.3V 6.3V
L2L80
BLM18A601SN1
Q2L78 C2L80
2SC3052-T112-1G R2L78 0.1
16V R2L80 MUTE-MONITOR
1K 10K
1/16W R2L81
1/16W 4.7K
1/16W MUTE-AVR
R2L79
1K Q2L80
R2L76 R2L77 1/16W 2SA1235A-T112-1E,F
68K 68K AVR-DET
1/16W 1/16W
Q2L79
2SC3052-T112-1G
3.3VB
9VB
R2L53
10K
1/16W
Q2L52
RT1N436C-T112-1
LT-37131 VLP33
LT-46131 VLP33
LT-37132 VLP33+
LT-46231 VLP33+
PAGE 3