Mitsubishi Electric LT-37131 Service Manual page 44

1 2 3
PG 4.....SIGNAL2 [VIDEO SW / AUDIO AMP]
SIGNAL1 SIGNAL1 SIGNAL1
L2K77
10MH
A
C2K74 C2K79
100
0.1
16V 16V
R2K76 R2K75
75 75
1/16W 1/16W
R2K81 R2K80 R2K78
75 75 75 C2K75
1/16W 1/16W 1/16W 1U
C2K78 10V
C2K80 1U
1U 10V
10V
80 79 78 77 76 75 74
B
ITEM 2,4
ONLY
1 Vin3_in8
C2K02
1U
10V/6.3V
comp1
2 R3/V3_in8
221 OHM
Vcc5
3
L2K03 C2K05 C2K04
0.1 1U
10V/6.3V
16V
4 G2/Y2_in9
C2K01
47
16V
5
Hin2_in9
C2K06
1U
10V/6.3V
6
B2/U2_in9
7
Vin2_in9
C2K08
1U
10V/6.3V
R2/V2_in9
8
R2K07
C
75
R2K09 1/16W
75 R2K06 9 GND
1/16W
75 C2K09 VIDEO SWITCHING 2
1/16W 1U
10V/6.3V
3D-Y
10 G1/Y1_in10
R2K11
100
3D-H
11
C2K12 Hin1_in10
IC2K01
1U
10V/6.3V
3D-Pb
12
B1/U1_in10
AN15870A
R2K13
100
3D-V
13 Vin1_in10
C2K14
1U
10V/6.3V
3D-Pr
R1/V1_in10
14
C2K13
33 L2K16
50V 68MH GND
15
R2K08 R2K17 R2K16
3D-C 3.3K 3.3K
10K
16 Sync_out1
C2K17
Q2K16 0.47
D R2K10
3D-VID 10K C2K15 16V/10V
C2K16
220 17 Sync_in1
50V 10
50V R2K18
75K
R2K12
10K 18 Vsyncsepa1
C2K18
FREERUN
0.047
16V/25V
Q2K17 19 Vcc5
R2K14
3DRST 10K
5VSCL 20 AFC1
C2K20 C2K21
4.7 2200
C2K19
5VSDA 16V 50V
0.1 21 FMonitor1
16V
R2K20
4.7K
22 R1/V1_out5
OUT5VD
23 VD1_out5
B1/U1_out5
24
E
25 26 27 28 29 30 31
GND
R2K29
22
MONITOR-V
F
FREERUN
3DRST
5VSCL 5VSCL
5VSDA 5VSDA R2K96
100
1/16W
Q2K00
MAIN-R 2SC3052-T112-1E,F
MAIN-L
R2K00
390
1/16W
R2K97
DM-L
100
G 1/16W
Q2K01
DM-R
2SC3052-T112-1E,F
TUNER1-L
R2K01
390
1/16W
TUNER1-R
R2K98
100
1/16W
AVR-DET
MUTE-AVR
C2K89
R2KB9 0.1
4.7K
16V
MUTE-MONITOR 1/16W
R2KB8 Q2KB0
1K
1/16W 2SA1235A-T112-1E,F
INPUT-DET1
R2K99
1K
INPUT-DET0
1/16W
H
9VB
9VB
3.3VB 3.3VB
5VB
9VB
3.3VB
5VB
I
J
K
4 5 6
SIGNAL1 SIGNAL1 SIGNAL1
R2K70
75
1/16W
R2K73
R2K69 R2K67
75
1/16W 75 75
1/16W 1/16W
C2K70
R2K72 1U
100 10V
C2K73 C2K69
1U 1U C2K65
1U
10V 10V C2K67
1U 10V/6.3V
R2K71
100 10V/6.3V
73 72 71 70 69 68 67 66 65
R2K64
100
S13 64
input3 63
tuner2 CV2_in2
R2K62
100
S12 62
C2K61
1U
10V/6.3V
CV1_in1 61
tuner1
S22 60
C2K59
1U
10V/6.3V
V7/SC4_in4 59
C2K58
1U
10V/6.3V
58
input1 U7/SY4_in4
R2K57
100
S11 57
C2K56
1U
10V/6.3V
Y7/CV4_in4 56
R2K56 R2K58
R2K59
75 75 75
S21 1/16W 1/16W
55 1/16W
C2K54
1U
10V/6.3V
V6/SC5_in5 54
C2K53
1U
10V/6.3V
U6/SY5_in5 53
DCCONT2 52
C2K51
R2K51 R2K53 R2K54
1U 75 75 75
10V/6.3V
1/16W 1/16W 1/16W
Y6/CV6_in5 51
C2K42
33
L2K49 50V
GND 50 68MH
C2K49
220 50V
49 R2K44
Sync_out2 R2K49 R2K48 10K
3.3K 3.3K Q2K49
R2K39
C2K48 10K
0.47
48 16V/10V
Sync_in2
C2K47 C2K41 R2K40
0.047 16V/25V 10 Q2K48 10K
50V
47
Vsyncsepa2 R2K47 R2K42
10K
75K
Vcc5 46
C2K46
0.1
C2K45
4.7 16V
16V
AFC2 45
R2K84
1K
C2K40
2200
50V
FMonitor2 44
Q2K42
R2K83 2SC3052-T112-1E,F
R2K45 100 C2K43
4.7K 0.1
G2/Y2_out4 43 C2KG3
16V
0.1
C2KL4
16V R2K85 0.1
1K
16V
HD2_out4 42
Q2K43
R2K41
22 2SA1235A-T112-1E,F R2K86
1K
1/16W
B2/U2_out4 41
32 33 34 35 36 37 38 39 40
R2K50
100
R2K31
22
C2K32
1/16W
0.1
16V R2KM1 R2KM3
0
0
1/16W 1/16W
R2K43
100
R2KM2
0
1/16W
L2K00
10MH
C2KB7
C2KB1 47
16V
0.1
16V
L2KC0
R2K03 C2KC0 R2KC8 R2KC6 R2KC4
0.1 22 22 22
47
1/16W 16V 1/16W 1/16W 1/16W
MAIN-Y
14 13 12 11 10 9 8
R2K04
47
1/16W
MAIN-PB
1 2 3 4
5 6 7
Q2K02
2SC3052-T112-1E,F R2K05
47
1/16W MAIN-PR
R2KC3
22
R2K02 IC2K04 1/16W
390
74LVC14APW-T
1/16W
MAIN-H
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
DA
TO PWB-DM
7 8 9 10
DM-CV
TU1-CV
12VSB
L2KD0
10MH
5VB
C2KD4
C2KD2 0.047
L2KD1 16V/25V
100 C2KD3
16V 2200MH
0.01
50V
R2KD0 C2KD0 Q2KD2
470 0.1 R2KD7
R2KD4 33K
1/16W 16V
1K
Q2KD0 R2KD6
2.2K
R2KD3
C2KD1 15K
R2KD1
470
820K Q2KD1
25V/50V
R2KD5
R2KD2
3.3K
10K
SUB SYNC DETECT
L2KE0
10MH
R3E01
100
R2KE2 C2KE1
10K R2KE5 R2KE7 1/16W
R2KE0 100 0.1 4.7K
33K 16V C2KE2
1/16W R3E02
1/16W 100 100
Q2KE1 16V
1/16W
L2KL1 C2KE0
221 OHM 47
16V Q2KE0
C2KL5
100 2SA1235A-T112-1E,F
16V
R2KE1
22K R2KE6 Q2KE2
R2KE4
1/16W 100
1.2K
R2KE3
1.5K
SUB CCD
SB-CCD
SD-SUB
L2KF0
10MH
C2KF4
0.047
C2KF2 C2KF3 L2KF1 16V/25V
100 0.01 2200MH
16V 50V
R2KF0 C2KF0
Q2KF2
470 0.1 R2KF5
1/16W 16V R2KF4 33K
1K
Q2KF0
R2KF6
C2KF1 2.2K
470 R2KF3
25V/50V R2KF1 15K
820K Q2KF1
R2KF2
10K R2KF7
3.3K
MAIN SYNC DETECT
L2KG0
10MH
R2KG2
R2KG5 R2KG7
R2KG0 10K
100 C2KG1 4.7K
33K 0.1 1/16W
1/16W
16V C2KG2
100
C2KG0
47 16V
Q2KG1
16V Q2KG0
R2KG1
22K R2KG6 Q2KG2
1/16W R2KG4 100
R2KG3 1.2K
1.5K
MAIN CCD
MN-CCD
SD-MN
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
11 12 13
SIGNAL1
SURROUND PROCESSOR
IC3E01
LV1115M-TLM-E R3E33
100
C3E34 1/16W
GND
1 SET OUT 24
1U 10V/6.3V
R3E22 C3E33
100 C3E12
2 23
Rch-IN Lch-IN
1/16W 1U 10V/6.3V 1U 10V/6.3V
C3E13 C3E32
3 R-DC1 L-DC1 22
K-4.7M B6.3V K-4.7M B6.3V
C3E14 C3E31
4 ST1 21
ST2
5600 50V 0.068 25V/16V
C3E15 C3E30
R3E40
LPFC 0.1 100K
5 HPFC 20 1/16W
16V
0.01 25V/50V
C3E16 C3E29
6 R-TC1 L-TC1 19
2700 50V 2700 50V
C3E28
C3E17
7 18
0.1 R-BC L-BC C3E40
16V
0.1 4.7M-K
16V B25V
R3E17 C3E18 R3E27 IC3E02-1
C3E27
8 R-BC L-BC 17
3.6K 1% 0.1 0.1 3.6K 1%
16V 16V
1/16W 1/16W C3E41
C3E19 C3E26 R3E41
100K 5600
9 R-DC2 16 50V
L-DC2 1/16W
K-4.7M B6.3V B6.3V C3E55 C3E25
K-4.7M 2.2U R3E55 4.7M-K R3E25
1.2K 2.7K 1% IC3E02-2
6.3V 1/16W B25V 1/16W
OUT-R OUT_L 1%
10 15
IC3E02-AGND
R3E14
C3E21
VREF 100 1/16W 5VSCL
11 CLK 14
16V
47 IC3E02-4
C3E10 R3E13
470 100 1/16W C3E54
VCC 5VSDA R3E42
12 DATA 13 10K 0.1
50V 1/16W 16V
C3E01 C3E09
47 0.1
16V C3E08
16V
47 16V
9V_AB L3E10
L3E01
BLM18A601SN1 10MH
9V_AP
R3E03
1.8K R3E06
1/16W 1.8K R3E53
1K R3E60
1/16W 100K
1/16W
R3E56 1/16W
68K
1/16W
Q3E07
2SC3052-T112-1G
R3E08
R3E05 470
470 1/16W
1/16W C3E60
4.7M-K
B25V
IC3E03-1
C3E61
Q3E02 R3E61
5600
2SA1235A-T112-1E,F 100K
1/16W 50V
C3E57 C3E20
R3E57 R3E20
2.2U 1.2K 1% 4.7M-K 2.7K 1%
6.3V B25V IC3E03-2
1/16W 1/16W
SPOUT_R
IC3E03-AGND
Q3E01
IC3E03-4
Q3E06 C3E53
R3E62 0.1
R3E54 10K
2SA1235A-T112-1E,F 1K 16V
1/16W
1/16W
R3E58
68K
1/16W
Q3E08
R3E36
10K 2SC3052-T112-1G
1/16W
5VB
C3E58 R3E34
4.7K
0.1
16V 1/16W
R3E35
1K
1/16W
Q3E03
2SC3052-T112-1E,F
R3E32
10K
R3E30
1/16W Q3E05
2SC3052-T112-1E,F
C3E05 1/16W
R3E31 0.1
10K 16V R3E37
10K
1/16W
1/16W
MUTESPKR
AVR-R
AVR-L
3.3VB
LP33+
ONLY
C2KN5
0.01
25V/50V
1 NC 3 4
TO PWB-DM
LP33+
ONLY
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DB
TO PWB-DM
14 15 16
2 X 10W CLASS-D POWER AMP.
L3E12
221 OHM
18V_L
C3E42
22
50V C3E88
0.01
50V PH-GND1
R3E44
A-GND
IC3E02 82K 1% 1
1/16W PH-GND2
MP7720DS-LF-Z
A-GND A-GND
IC3E02-PGND C3E43 C3E45 2
0.47M-K
1000U
B50V 25V PH-21V1
A-GND
1 PIN PGND 8 21VAUD
3
C3E48
D3E01 1000U
L3E13
MAZ80620H @value 25V PH-21V2
IC3E02-7
2 NIN L SW 7 21VAUD
4
IC3E02-VDD
R3E47
R3E45 C3G03 C3G04
AGND C3E51 10
3 VDD 6 10 R3E46 560 1/4W 0.01 0.01
1/16W
10K 50V C3E47 25V/50V 25V/50V
C3E44 1/16W 0.47M-K
C3E49
0.47 B50V
25V 0.1
4 EN BS 5 D3E02
IC3E02-5 50V/25V
C3E46 EC21QS04-TE12L
C3E50 390
50V
C3E36 1000
50V
50V
5600
A-GND
L3E22
221 OHM
18V_R
ES-L+
C3E62
22 LOUT(+)
C3E89
50V 0.01 1
50V ES-L-
LOUT(-)
R3E64
2
82K 1%
IC3E03
1/16W
MP7720DS-LF-Z A-GND
3
IC3E03-PGND ES-R-
C3E63 C3E65
0.47M-K 1000U
B50V
25V ROUT(-)
1 PIN PGND 8 4
C3E68
ES-R+
1000U
L3E23 25V
IC3E03-7 ROUT(+)
2 NIN R SW 7 5
D3E21
MAZ80620H C3E71
AGND IC3E03-VDD R3E65 560 R3E67
6 10 R3E66
3 VDD Cathode 50V C3E67 10 C3G01 C3E84 C3E85 C3G02
1/16W 10K 0.47M-K 1/4W
1/16W 33 33 33 33
C3E64 B50V
0.47 50V 50V 50V 50V
25V D3E22 C3E69
4 EN BS 5
IC3E03-5 EC21QS04-TE12L 0.1
C3E66
50V/25V
C3E70
1000 390
50V 50V
A-GND
C3E37
50V 5600
A-GND
IC3H10
BA50BC0WFP-E2
IC3H10-GND
IC3H10-5VB GND N/C PA-GND1
3 5
L3H10 GND
IC3H10-12VIN 221 OHM 1
OUT VCC
4 CTL 2 PA-2
1 AC-OFF AC-OFF
C3H10 2
M-100 IC3H10-CTL C3H12 C3H13
0.1 M-100 C2KN6 PA-3
16V
16V 16V 0.01
25V/50V MAIN-RELAY
MAIN-RELAY MAIN-RELAY
3
C2KN7 PA-GND2
C3H11 0.01
GND
0.33 25V/50V
4
25V/16V R3H10 PA-5
10K
0
1/16W
PANEL-PWR
PANEL-PWR
5
C2KN8 PA-6
0.01
25V/50V N.C.
6
PA-7
BRIGHT BRIGHT
7
C2KN9 PA-GND3
0.01
25V/50V GND
8
PA-9
INV-SHORT
INV-SHORT
9
C2KP4
PA-10
0.01
INV-RELAY
25V/50V
INV-RELAY
10
C2KP3 PA-11
0.01
INV-PWR
INV-PWR 25V/50V
11
C2KP2 PA-12
0.01
25V/50V
INV-SW INV-SW
12
37" ONLY
C2KP1
IC2K06
0.01
BA00CC0WFP 25V/50V GND
13
PA-GND4
IC2K06-GND
GND
6 IC2K06-5
IC2K06-A9V
R2KS3 AT-AT9V
0 IC2K06-CTL 1 2 3 4 5
1/16W
R2KS2
AT9V
30K R2KS1
1/16W 1
L2KS1 4.7K
C2KS1 IC2K06-12VSB 1/16W C2KP5 AT-GND
221 OHM 0.01
47 C2KS2 C2KS4
16V C2KS3 0.1 25V/50V GND
0.33 47 2
16V 16V
25V/16V AT-3
STAND-DET
3
C2KP6
AT-4
0.01
L
25V/50V
4
C2KP7 AT-5
0.01
25V/50V R
5
C2KP8 AT-6
0.01 AT-DIR-IN
25V/50V
6
C2KP9 AT-7
0.01
25V/50V KSC0
7
C2KP0
0.01
25V/50V
1
AN-2
STATUS-G
2
C2KQ1 AN-3
0.01
25V/50V STATUS-R
3
C2KQ2 AN-5VSB1
0.01
5VSB
25V/50V
4
AN-5 C2KQ5
0.01
25V/50V LED
5
C2KQ6
0.01
25V/50V GND
6
AN-5VSB2 AN-GND1
5VSB
7
C2KQ7
AN-8
0.01
25V/50V RMC
8
C2KQ8
AN-GND2
22
50V GND
9
C2KR3 C2KR2
VLP33+ C2KR5 0.01 C2KR1
0.01
C2KN3 C2KN2 C2KN1 ONLY 50V C2KR4 25V/50V 25V/50V 0.01
22 0.01
0.01 0.01 0.01 25V/50V 25V/50V
25V/50V 25V/50V 25V/50V
8 7 6 5 4 3 2 1
5 6 7 8 9 10
DC LE
TO PWB-FRONT
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 4