Mitsubishi Electric LT-55154 Service Manual page 59

5V
5VS SWITCH FET
D9A15
MC2838-T112-1
12VS
R9A01 R9A02
R9A75
47K 10K
1/16W 1/16W 100 R9A03 R9A04
1/16W 33K 22
1/16W 1/16W
Q9A01
RT1N436C-T112-1 C9A01
0.1
TO MAIN 10 16V
STBY-ON
[MICRO]
Q9A02
2SC3052-T112-1E,F
F9A01
KAB2402632NA29010 (MI)
12VS
12VS TO 5V
C9A11
100
16V C9A21
25V/16V
C9A19 C9A20
D2
10uF 10uF G2
5 4
DGND 16V 16V
R9A12
1/16W
D2
S2
6 3
L9A01
CDRH105RNP-2R2NC R9A13
5V 0
G1 1/16W
7 2
R9A11 D1
2.2
1/10W
C9A17
C9A14 C9A15 C9A16 8 1
1000
10uF 10uF 10uF D1
50V S1
C9A13 6.3V 6.3V 6.3V
M-681
10V Q9A05
D9A04
FLZ5V6C
FDS6910
DGND
5V 5V/5VSL
5V SW
D9A30
MC2838-T112-1
R9A28
R9A27 10K
47K 1/16W
1/16W
R9A81
100 R9A29 R9A30
33K 22
Q9A08 1/16W 1/16W 1/16W
RT1N436C-T112-1
TO MAIN 10 C9A28
5VS-ON 0.1
[MICRO] Q9A09
16V
2SC3052-T112-1E,F
DGND
5VSL
5V/5VSL
5VSL SW
D9A31
MC2838-T112-1
R9A32
R9A31 10K
1/16W
47K
1/16W
R9A71
R9A33 R9A34
100 33K 22
Q9A11 1/16W
1/16W 1/16W
RT1N436C-T112-1
TO MAIN 10 C9A29
BCM-ON
Q9A12 0.1
[MICRO] 16V
2SC3052-T112-1E,F
DGND
5V/5VSL Exclusive OR Switch
FDC655BN
Q9A16
L9A02
N-220 ohm
5V/5VSL TO 3.3VBCM
L9A03
3.3VBCM N-220 ohm
1 6
L9A04
N-220 ohm
5V/5VSL
2 5
3.3VS
3 4
C9A37
C9A36 C9A39 C9A41 C9A43
M-101
10uF 16V 10uF 10uF 10uF
6.3V 6.3V 6.3V 6.3V
D9A06
FLZ3V9A C9A38 C9A40 C9A42 C9A44
3.3VS C9A35 10uF 10uF 10uF
100 10uF
6.3V 6.3V 6.3V 6.3V
16V
SWITCH
FET
DGND
TO MAIN 10
BCMPWR-EN
[MICRO]
FDC655BN
Q9A19
L9A06
N-220 ohm
5V/5VSL TO 1.8VBCM
L9A07
1.8VBCM N-220 ohm
6
1
L9A08
N-220 ohm
5V/5VSL
2 5
1.8VS
C9A51
3 4 C9A50 C9A53 C9A55 C9A57
M-101 10uF 10uF 10uF
10uF 16V
6.3V 6.3V 6.3V
6.3V
D9A08 C9A52 C9A78 C9A56 C9A58
10uF 10uF
1.8VS C9A49 FLZ3V9A 10uF 10uF
6.3V 6.3V 6.3V 6.3V
100
16V
SWITCH
FET
DGND
FDC655BN
Q9A22
L9A10
N-220 ohm
L9A11 5V/5VSL TO 1.2VBCM
1.2VBCM
N-220 ohm
1 6
L9A12
N-220 ohm
5V/5VSL
2 5
1.2VS
3 4 C9A64
C9A63 C9A66 C9A68 C9A70
M-101 10uF 10uF 10uF
10uF 16V
6.3V 6.3V 6.3V 6.3V
C9A67 C9A71
D9A29 C9A65 C9A91
1.2VS C9A62 FLZ3V9A 10uF 10uF 10uF 10uF
100 6.3V 6.3V 6.3V 6.3V
16V
SWITCH
FET
DGND
IC9A08
MM3376A33NRE
5VSL 3.3VSL
VDD VOUT
1 5
C9A03
C9A87 R9A76
1M 2 GND 1U
0.1 10V/6.3V
FDC655BN 16V 1/16W DGND
Q9A03 3 CE NC 4
C9A02
0.1
16V
1 6
2 5
DGND DGND DGND
5VS
3 4
C9A88
100
16V
5VSL
DGND
5VS
IC9A01
C5F06 C5F07 C5F08 C5F09
0.1 0.1 0.1 0.1
ISL6545ACBZ-TS2698
25V/16V 25V/16V 25V/16V 25V/16V
0.1
BOOT PHASE DGND
UGATE COMP/SD C9A24
8200
0 25V/50V IC9A02
GND FB
R9A15 NJM78M05DL1A(TE1)
2.2
1/16W
OUT IN
LGATE/OCSET VCC 3 1
C9A25 GND
8200 R9A63 2
220
25V/50V 1/16W
C9A26 C9A27
R9A14 0.1 0.33
25V/16V
4.7K 25V/16V
1/16W C9A22
1U R9A17 R9A18
1%
10V/6.3V 3.9K 270
1/16W 1/16W
1% 1% DGND
R9A16
560
1/16W
1%
12VS
C5F03 C5F04 C5F05
0.1 0.1 0.1
25V/16V 25V/16V 25V/16V
DGND
5VSL
C9A31 C9A34 C9A47
1000U 1000U 1000U
6.3V 6.3V 6.3V
3.3VBCM
C9A32 C9A92
0.1 0.1
50V 50V
DGND
C5F34 C5F35 C5F36
D9A07 D9A14 0.1 0.1 0.1
3 3
25V/16V 25V/16V 25V/16V
BAT54S BAT54S
2 1 2 1
C9A85 C9A33 DGND
0.1 K-1M
50V 25V
R9A36
R9A35
22 22
1/16W 1/16W
DGND
L9A05
VLP8040T-2R2N
16 15 14 13
NC LX LX NC
1 12
VIN PGND
C9A46 IC9A03
R9A41
47 ISL8014IRZ-T
50V 100K 2 11
1/16W VIN PGND
1%
C9A45 17
R9A42 3 VDD 10
10uF SGND
220K R9A72
6.3V 1/16W DGND
0
1% 1/16W SYNCH SGND
4 9
EN NC PG FB
R9A43 5 6 7 8
100K
1/16W
1%
DGND
3.3VS
1/16W
68K
R9A65
1.8VBCM
L9A09
VLP8040T-2R2N C5F10 C5F11 C5F12 C5F13 C5F14
0.1 0.1 0.1 0.1 0.1
25V/16V 25V/16V 25V/16V 25V/16V 25V/16V
16 15 14 13
NC LX LX NC
1 12
PGND DGND
VIN IC9A04
C9A60 R9A51
47 12K ISL8014IRZ-T
2 11
50V 1/16W VIN PGND C5F15 C5F16 C5F17 C5F18
1%
0.1 0.1 0.1 0.1
C9A59 17
10uF R9A52 25V/16V 25V/16V 25V/16V 25V/16V
3 VDD SGND 10
6.3V 120K
1/16W DGND
1% SGND
4 SYNCH 9
EN NC PG FB
DGND
5 6 7 8
R9A53 R9A73 C5F19 C5F20 C5F21 C5F22
100K 0 0.1 0.1 0.1 0.1
1/16W 1/16W
25V/16V 25V/16V 25V/16V 25V/16V
1%
R9A66
68K
1/16W DGND
DGND
1.8VS
1.2VBCM
1.2VS
L9A13
VLP8040T-2R2N
16 15 14 13 C5F23 C5F24 C5F25 C5F26 C5F27
0.1 0.1 0.1 0.1 0.1
NC LX LX NC 25V/16V 25V/16V 25V/16V 25V/16V 25V/16V
1 12
PGND
C9A73 VIN IC9A05
R9A59
47 8.2K ISL8014IRZ-T
2 11
50V 1/16W VIN PGND
1%
C9A72 17 C5F28 C5F29 DGND
10uF R9A60 3 0.1 0.1
VDD SGND 10
6.3V 47K 25V/16V 25V/16V 5VSL
1/16W DGND
1% SYNCH SGND
4 9
EN NC PG FB
R9A61
5 6 7 8 12VS
100K R9A74 DGND
1/16W
0
1% 1/16W
R9A67
68K
DGND 1/16W
DGND
1 2 3 4 5 6 7 8 9 10 11 12
PB1
TO PWB-POWER
C9A04
6.3V
22
DGND
3.3VS
D9A28
MC2838
12VS
R9A70
100K
1/16W
3.3VS
3.3VSL
3.3VSL
C5F30 C5F31 C5F32 C5F33
0.1 0.1 0.1 0.1
25V/16V 25V/16V 25V/16V 25V/16V
3.3VS
DGND
5VSL AC-OFF DETECT
(4.2V trip point)
(OUT goes low when VDD goes low)
IC9A06
PST8242NR
OUT NC
1 5
R9A77 R9A78
10K 13K
1/16W 1/16W
2 VDD
C9B36
C5F02 C5F01 C9B35 0.01
0.1 0.1 3 GND NC
0.01 4 25V/50V
25V/16V 25V/16V
25V/50V
DGND DGND
P9C06
R2
PANEL SUPPLY L2
SHORT DETECT 50V 50V 50V 50V 50V 50V DGND
15 15 15 15 15 15
C9C63 C9C64 C9C65 C9C66 C9C69 C9C70
P9C05
Y2
PB2
PR2
1 2 3 4 5 6 7 8 9
A-GND
PA1
13 14 15 16
TO PWB-POWER
TO MAIN 10
[MICRO]
TO MAIN 10
[MICRO]
5
G 4 G
SPDIF OUT
P9C07
3 2 1
C9B06 DGND
0.1
25V/16V
DGND
MUTE AVR
P9C00
Q9C02
R9C01
1K RT3Y97M-T111-1 T1-1
Subwoofer 1
1/16W R9C03
R9C02 2
100K
100K 1/16W B1
Q9C01 1/16W
S1 3
RT1N436C-T112-1
T1-2
Center-IN 4
5
B2
DGND
S2 6
DGND
DGND
12VS AC-OFF DETECT
(10.2V trip point)
(OUT goes low when VDD goes low)
IC9A07
PST8242NR
OUT NC
1 5
P9C03
2 VDD
TO MAIN 8
1
PR1
3 GND NC MIC-IN [ISPMAIN]
R9A79 4
9.1K
1/16W
2
PB1 3
4
R9B75 R9B42
DGND 5
10K 10K
1/16W 1/16W
1
IN2PB-DET Y1 6
7
2
IN2Y-DET
8
C9B37 R9B44
2.2U
6.3V 39K
3 1/16W INPUT2-L
4
TO MAIN 4
C9B38 P9C04
R9B46
2.2U 39K [DMCORE]
6.3V INPUT2-R
1/16W
1
2
8
R1
INPUT2Y
7
6
3
4
5
L1
R9B37 R9B38 R9B39 R9B43 R9B41
4 50V 75 120K 120K 12K 12K
5 1/16W 1/16W 1/16W 1/16W 1/16W
3 C9F07
2
DGND INPUT2PB
1 TO MAIN 4
INPUT2PR [DMCORE]
DGND
R9B73 R9B74
50V 50V 75 75
5 5 1/16W 1/16W
C9F09 C9F08
DGND
P9C01
AVR-L
AVR-R
DGND
P9C02
R
1
NC
T
2
S
3
NC
DGND
DVI-R
TO MAIN 4
C9B12 R9B68
39K
2.2U [DMCORE]
6.3V 1/16W
DVI-L
R9B67
R9B11 C9B10
R9B12 2.2U 39K R9B45 R9B40
120K 120K 1/16W
1/16W 6.3V 12K 12K
1/16W 1/16W 1/16W
DGND DGND
DGND DGND
C9B04 C9B03
R9B03
K-4.7M 1K K-4.7M
AVR-R
B6.3V 1/16W B6.3V TO MAIN 9
C9B02 R9B01 C9B01 [ISPAMP]
K-4.7M K-4.7M
1K
AVR-L
1/16W
B6.3V B6.3V
R9B02 R9B04
120K 120K
1/16W 1/16W
DGND
R9C11 R9C12 R9C13
220K 220K
220K
1/16W 1/16W 1/16W
AVR-DET
CENTER-DET TO MAIN 10
[MICRO]
SUBWOOFER-DET
R9C20
R9C18 R9C19
270K
270K 270K 1/16W
1/16W 1/16W
DGND
C-IN
TO MAIN 8
[ISPMAIN]
C9C08 R9C29 C9C09
K-4.7M K-4.7M SUBWOOFER
1K
B6.3V 1/16W B6.3V
R9C27
120K
1/16W
DGND
Q9C04 R9C06
100K
1/16W R9C07
RT3Y97M-T111-1
100K
1/16W
DGND
R9B28 R9B27
10K 10K
1/16W
1/16W
IN1PB-DET
IN1Y-DET
INPUT1PR
INPUT1PB
INPUT1Y
R9B35
75 R9B33 TO MAIN 4
75
50V 50V 50V 1/16W R9B31
1/16W 75 [DMCORE]
5 5 5
C9F05 C9F04 C9F16 1/16W
DGND
INPUT1-R
C9B18 R9B71
2.2U 39K
1/16W
6.3V
INPUT1-L
C9B20 R9B72
2.2U 39K
R9B16 R9B14 1/16W
6.3V R9B60 R9B65
120K 120K
1/16W 1/16W 12K 12K
1/16W 1/16W
DGND DGND DGND