Mitsubishi Electric LT-40148 Service Manual page 49

Lcd flat panel television
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1
2
3
PG 4.....MAIN2 [AV-SWITCH / TUNER / OOB]
A
B
MAIN 03
IR-OUT
C
C2J01
C2J04
K-4.7M
R2J80
K-4.7M
B6.3V
B6.3V
MAIN 11
120K
AVR-L
R2J77
1K
1/16W
R2J79
120K
C2J02
C2J03
K-4.7M
K-4.7M
B6.3V
B6.3V
MAIN 11
AVR-R
R2J78
1K
1/16W
3.3VSL
3.3VSL
MAIN 01
D
Q2J05
2SC3052-T112-1E,F
Q2J01
R2J72
Q2J02
RT1N436C-T112-1
1K
ISA1235AC1-IE,IF
1/16W
R2J97
AVR-MUTE
AVR-MUTE
100K
MAIN 12
R2J71
1/16W
3.3K
R2J76
1/16W
1K
1/16W
DGND
R2J75
1K
1/16W
MUTE AVR
R2J98
R2J11
R2J10
100K
0
0
1/16W
Q2J04
1/16W
1/16W
2SC3052-T112-1E,F
E
S/PDIF AUDIO OUTPUT
L3S01
MMZ16608S601A
C3S02
R3S15
0.1
0
1/16W
25V/16V
SPDIF-TO-SOUND
R3S04
MAIN 1
3.3K
C3S01
1/16W
47
Q3S01
6.3V
C3S03
2SC3052-T112-1E,F
R3S01
R3S06
F
820
22
100
6.3V
R3S13
MAIN 6
SPDIF-OUT
1/16W
1/16W
220K
1/16W
R3S08
C3S04
22
75
6.3V
1/16W
R3S05
R3S02
3.3K
560
1/16W
1/16W
R3S10
R3S07
220
12K
1/16W
1/16W
C3S10
1U
R3S12
330K
10V/6.3V
DGND
1/16W
R3S14
1K
MAIN 12
SPDIF-DET
1/16W
G
RE102
IN2
Ant.2
OUT
IN1
3
Ant.1
1
2
G
S
B
GND
DGND
TP-RE01
H
MAIN 1
30VS
TP-RE02
VCESAT = 0.3V
IC = 100mA, IB = 10mA
2SC3052-T112-1E,F
R118
10K
1/16W
ANT-RELAY
ANT-RELAY
0.27mA
R122
MAIN 6
47K
1/16W
13μA
DGND
9VS
9VS
I
IC102
MAX4232AKA+T
5VS
R103
2.2K
R109
1/16W
MAIN 4
AFT-H
2K
1/16W
8
7
6
5
3V_ref
R101
3.3K
1/16W
R110
C105
1.3K
1U
1/16W
10V/16V
2V_ref
R102
3.3K
1/16W
R111
2K
DGND
R104
2.2K
1
2
3
4
1/16W
AFT-L
1/16W
MAIN 4
J
DGND
AFTMAIN
K
4
5
6
P2J01
YLC21-3309V
(MI)
DVI-R
DVI-L
AVR-L
1
11
1
R2J94
R2
120K
AVR-R
L2
1/16W
2
12
2
3
3
R2J60
R2J93
75
R1
120K
1/16W
SPDIF
L1
4
13
INP1-Y/CV
4
5
5
6
14
6
R2J65
75
7
8
9
10
R2J04
R2J64
R2J63
120K
120K
120K
R2J69
R2J68
YUV1-DET
120K
120K
INP1-PB
INP2-PB
INP1-PR
DGND
5VS
TUNER
ANT SWITCH
TU101
115U4116AM
RE101
IN2
24
23
OUT2
25
22
IN1
1
2
3
4
5
1
2
3
4
5
6
7
8
11 12 13 14
15 16 17
18 19
20 21
DGND
G
S
B
G
OUT1
DGND
GND
DGND
25V/16V
0.1
C103
C104
C101
C111
16V
0.1
0.01
C119
100
100
0.1
DGND
25V/16V
16V
50V
25V/16V
C106
C109
R113
C102
TP-OOB
10
0.1
100
L105
TP103
50V
TP104
C110
16V
R114
1/16W
10MH
30VS
100
0.1
16V
1/16W
TP106
L118
MMZ16608S601A
L117
TP-RE03
R119
Q102
MMZ16608S601A
3.3K
ISA1235AC1-IE,IF
1/16W
Q105
R120
TPTUV
2.2K
R125
5.6K
27mA
1/16W
1/16W
R108
0
1/16W
L104
L106
10MH
MMZ16608S601A
C112
1U
10V/16V
DGND
DGND
TU102
115U2027AM
12
14
L119
13
15
1
2
3
4
5
6
7
8
9
10
11
DGND
DGND
OOB-GND
C117
R1500
10uF
1K
6.3V
1/16W
DGND
C118
C115
0.01
100
VLP39++ & VLP39+++ ONLY
DGND
25V/50V
16V
DGND
DGND
7
8
9
10
INP2-Y
INP1_CV_DET
INP1-Y/CV
P2J03
YKC22-0829V
(MI)
R2J06
P2J02
75
YLC21-3308V
(MI)
R2J03
CV3
75
R3
L3
D2J03
C1
Y1
3
MALS068X0L
12
INP3_CV
R2J07
INP3_DET
1
13
75
2
PB2
Y2
PR2
4
14
INP2-PR
R2J62
D2J04
75
MALS068X0L
6
PB1
Y1/CV1
PR1
15
5
D2J06
9
MALS068X0L
R2J67
T
IR-OUT
75
16
R
8
S
7
7
8
9
10
11
R2J61
75
R2J66
75
R2J05
DGND
120K
DGND
AVR_DET
SIF DEMODULATOR
DGND
IC3F01
AN5832SA-E1V
C3F32
2.2U
6.3V
1
NC
L-R REF
32
C3F02
10
16V
2
WB TIME
NC
31
R3F30
0
C3F03
1/16W
TU-L
C3F04
3
WB DET
LOUT
30
2.2U
R3F28
.33M
R3F29
16V
0
180K
1/16W
6.3V
ROUT
1/16W
4
SPE TIME
29
C3F08
C3F05
0.1
1U
16V
10V/6.3V
SPE DET
C3F28
5
28
AGC DET
C3F06
2.2U
R3F27
0.022
6.3V
100
16V/25V
SCL/STID
1/16W
6
SPE FIL
27
7
I2C PARA
PE
26
R3F07
8
AGCSW
GND
25
330
1/16W
R3F24
SDA/SAPID
9
MODE
24
C3F23
100
2.2U
1/16W
STEREO REF
6.3V
23
10
FOMO
C3F22
K-4.7M
MUTE
SIFREF
B6.3V
11
22
C3F21
R3F21
100
1000
50V
1/16W
12
SIF/BB
INPUT
21
C3F13
0.1
16V
C3F19
C3F20
NOISE DET
13
NC
20
22
0.1
6.3V
25V/16V
L3F01
C3F14
MMZ16608S601A
14
SAP DET
VCC
19
0.033
C3F18
0.1
16V/25V
16V
15
L+R REF
PLL
18
C3F15
R3F16
C3F16
2.2U
PILOT DET
3.3K
6.3V
0.22
16
NC
17
1/16W
10V
C3F17
.33M
16V
DGND
DGND
5VS_F
VLP39++ & VLP39+++ ONLY
11
12
13
TO SIDE1 PWB
S15B-PASK-2(LF)(SN)
CE
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BOSS
R2J24
R2J22
R2J20
R2J28
R2J26
75
75
75
120K
120K
1/16W
1/16W
1/16W
1/16W
1/16W
DGND
R2J33
C2J93
R2J59
0.1
10K
1/16W
1/16W
25V/16V
R2J56
C2J95
10K
0.1
R2J32
1/16W
10K
25V/16V
C2J94
C2J92
C2J90
C2J88
C2J86
C2J84
C2J82
1/16W
C2J00
C2J96
1U
1U
1U
1U
1U
1U
1U
1U
1U
C2J98
1U
INP1_Y
C2J99
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
0.1
25V/16V
1
80
S1-1
GND
INP1_C
2
Y1
79
SW1
S2-1/FS1
3
SW2
78
4
C1
SW3
77
S1_DET
C2J06
O1
ADR
5
76
1U
10V/6.3V
V2
CY-OUT1
6
CYout1
75
C2J08
7
S1-2
PBout1
74
PB-OUT1
1U
10V/6.3V
Y2
PRout1
PR-OUT1
8
73
C2J10
S2-2/FS2
Vcc9
9
72
1U
10V/6.3V
C2
10
CYout2
71
C2J12
11 BIAS
PBout2
70
1U
10V/6.3V
Tu_CV
V3
PRout2
12
69
IC2J01
S1-3
GND
13
68
C2J11
22
Y3
6.3V
14
Yout3
67
MM1783BQ
15 S2-3/FS3
Vcc5
66
C3
Vout3
16
65
R2J39
R2J34
10K
C2J18
270K
1%
O2
1/16W
17
GND
64
1U
1/16W
10V/6.3V
V4
18
Cout3
63
S1-4
DCout
19
62
20 Y4
Vcc9
61
21 S2-4/FS3
L1
60
22 C4
R1
59
O3
L2
23
58
V5
R2
24
57
GND
25
L3
56
26 V6
R3
55
5V_SW
27 Vcc5
L4
54
C2J27
28 V7
C2J29
R4
53
100
0.1
16V
29 O4
L5
25V/16V
L5
52
GND
R5
30
51
R5
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
DGND
C2J50
C2J43
1U
1U
10V/6.3V
R2J38
10V/6.3V
C2J33
100
C2J48
100
R2J35
1/16W
16V
DGND
1U
100
C2J34
VLP39++ &
10V/6.3V
1/16W
0.1
VLP39+++
C2J49
25/16V
1U
10V/6.3V
DGND
L2J02
MMZ16608S601A
L2J01
MMZ16608S601A
C2J45
1U
10V/6.3V
TU-R
C2JA0
0.1
16V
DGND
9VS
C2J20
R2J40
0.1
2.7K
25V/16V
1/16W
R2J41
220
1/16W
R2J42
100
1/16W
Q2J06
ISA1235AC1-IE,IF
DGND
MAIN SYNC DETECT
L2J03
MMZ16608S601A
5VS_D
L2J04
2200MH
C2J21
Q2J07
0.1
ISA1235AC1-IE,IF
25V/16V
C2J23
0.1
25V/16V
R2JB0
R2JA7
0
0
R2JA9
R2JA8
1/16W
1/16W
0
0
R2J46
1/16W
1/16W
R2J44
15K
820K
1/16W
C2J22
1/16W
270
25V/50V
R2J45
Q2J08
10K
2SC3052-T112-1E,F
1/16W
DGND
MAIN 11
MAIN 1
PG 1.....BLOCK
PG 2.....POWER
PG 3.....MAIN1 [DC-DC / IF]
PG 4.....MAIN2 [AV-SWITCH / TUNER / OOB]
PG 5.....MAIN3 [HDMI]
PG 6.....MAIN4 [DM-CORE (x240)]
PG 7.....MAIN5 [DM-MEMORY]
PG 8.....MAIN6 [PROGRAMMABLE LOGIC DEVICE]
PG 9.....MAIN7 [ANALOG-DIGITAL CONVERTOR]
PG 10....MAIN8 [ASIC]
PG 11....MAIN9 [ASIC MEMORY]
PG 12....MAIN10 [LVDS]
PG 13....MAIN11 [AUDIO]
PG 14....MAIN12 [TV MICRO]
PG 15....MAIN13 [POD]
PG 16....MAIN14 [FRAME RATE CONTROL]
PG 17....MAIN15 [DDRAM]
PG 18....MISC
[SIDE / LED / CONTROL / PREAMP / SBL]
PG 19....SOUND (VLP39++ ONLY)
14
15
16
10K
R2J57
10K
1/16W
R2J55
47
1/16W
R2J54
1/16W
47
R2J53
47
1/16W
MAIN-PR
C2J72
R2J74
0
0.1
1/16W
CY-OUT2
25V/16V
PB-OUT2
R2J73
0
1/16W
C2J66
0.1
25V/16V
C2J61
0.1
25V/16V
C2J60
1U
10V/6.3V
C2J59
1U
10V/6.3V
C2J58
1U
10V/6.3V
C2J57
1U
10V/6.3V
C2J56
1U
10V/6.3V
C2J55
1U
10V/6.3V
C2J54
1U
10V/6.3V
C2J53
1U
10V/6.3V
C2J52
1U
10V/6.3V
MAIN 11
C2J51
AL-DSP
1U
10V/6.3V
AR-DSP
MAIN 11
9V_SW
LAVR-SW
MAIN 11
RAVR-SW
MAIN 11
AVRL-TO-SOUND
MAIN 1
AVRR-TO-SOUND
MAIN 1
R2JB2
0
R2JA1
R2JA6
R2JA2
1/16W
2.7K
1.5K
4.7K
1/16W
R2JB4
1/16W
1/16W
0
1/16W
R2JA0
100
C2JA3
1/16W
0.1
25V/16V
Q2J10
ISA1235AC1-IE,IF
R2JB1
R2JB3
R2JA5
R2JA4
0
0
2.7K
1/16W
1/16W
4.7K
1/16W
1/16W
R2JA3
100
1/16W
C2JA1
.33M
Q2J11
16V
ISA1235AC1-IE,IF
VLP39++ & VLP39+++ ONLY
C2J24
0.047
16V/25V
Q2J09
ISA1235AC1-IE,IF
R2J48
33K
C2J25
R2J47
1K
1/16W
47
1/16W
6.3V
R2J49
2.2K
1/16W
R2J50
3.3K
1/16W
MAIN 12
MAIN 04
MAIN 07
CONTENTS
LT-40148 VLP39+
LT-46148 VLP39+
LT-52148 VLP39+
LT-46149 VLP39++
LT-52149 VLP39++
LT-46246 VLP39+++
LT-52246 VLP39+++
VLP39++ and VLP39+++ ONLY
PAGE 4

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