Mitsubishi Electric WD-52531 Service Manual page 49

Lcd projection hdtv
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1
2
3
PG 3.....SIGNAL1 [TV MICRO]
A
B
COVER-DET
FMT-PGOOD
C
MAIN-RELAY
ACOFF
ACOFF
PC-RXD
PC-RXD
PC-TXD
PC-TXD
FMT-BUSREQ
FMT-BUSREQ
SUCS
SUCS
SWD
SWD
SCK
SCK
MUTE_SPKR1
SRD
SRD
FMTRST
FMTRST
FMT-RXD
FMT-RXD
FMT-TXD
FMT-TXD
FMT-CTS
FMT-CTS
FMT-RTS
FMT-RTS
BUSYX-ENG
BUSYX-ENG
DDAN-ENG
DDAN-ENG
CLRN-ENG
CLRN-ENG
ENG-SCL
ENG-SCL
ENG-SDA
ENG-SDA
V-SYNC
V-SYNC
D
DVI-PWRDOWN
STBY
3.3VSL
E
MUTE-AVR
MUTE-MNT
BWC2
BWC2
BWC1
BWC1
3.3VSL
INPUT-DET1
INPUT-DET0
SB-CCD
F
MN-CCD
SD-SUB
SD-MN
MAIN-R
MAIN-R
MAIN-L
MAIN-L
DM-R
DM-R
DM-L
DM-L
DM-CV
DM-CV
SUB-VD
SUB-VD
SUB-HD
SUB-HD
SUB-CR
SUB-CR
SUB-CB
SUB-CB
SUB-Y
SUB-Y
MAIN-VD
MAIN-VD
MAIN-HD
MAIN-HD
MAIN-CR
MAIN-CR
MAIN-CB
MAIN-CB
MAIN-Y
MAIN-Y
G
5VSCL
5VSDA
ANT-SW
ANT-SW
3.3VS
3.3VS
DEMOD1-RST
DEMOD1-RST
3.3VSL
TSMCLK
TSMCLK
TSMDT
TSMDT
TSMVLD
TSMVLD
TSMFRM
TSMFRM
OOBCRX
OOBCRX
OOBDRX
OOBDRX
AFT-H
STBY
AFT-H
AFT-L
AFT-L
I2CB-SDA
I2CB-SDA
5VSL
I2CB-SCL
I2CB-SCL
H
PON
PON
PON-SHORT
PON-SHORT
AVR-L
AVR-L
AVR-R
AVR-R
9VS
9VS
18VSL
18VSL
STBY-SHORT
5VS
MUTE_SPKR1
5VS
MUTE_SPKR2
STBY-SHORT
MUTE_SPKR1
MUTE_SPKR2
5VSCL
5VSCL
5VSDA
5VSDA
5VSL
STBY
I
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
TO DM
J
K
4
5
6
TO CONTROL
TO PREAMP
AN
1
2
3
4
1
2
3
4
5
6
7
8
9
10
BOSS
LE
1
2
3
4
5
8
9
10
6
7
3.3VSL
R7A65
R7A72
10K
4.7K
1/16W
1/16W
L7A73
BLM18BB141SN1
C7A73
0.47
D7A73
16V/10V
MC2838-T112-1
R7C61
2.7K
C7A81
0.1
1/16W
25V/16V
Q7A81
RT1P241C-T112-1
LAMP-R
R7A81
100
LAMP-R1
1/16W
81
R7C63
R7A82
2.7K
100
1/16W
1/16W
Q7A83
82
R7A83
LAMP-G
RT1P241C-T112-1
100
LAMP-G1
1/16W
R7C62
83
2.7K
R7A84
100
1/16W
STATUS-R
1/16W
84
R7C65
Q7A84
R7A85
2.7K
RT1P241C-T112-1
100
1/16W
STATUS-G
1/16W
85
Q7A85
R7A86
100
RT1P241C-T112-1
1/16W
86
R7A92
R7A87
330
Q7A88
100
1/16W
2SC3052-T112-1E,F
1/16W
PWRLED
87
R7A79
2.7K
L7A89
1/16W
LM21BB201SN1
C7A89
C7A88
88
0.1
10
25V/16V
16V
R7A88
R7A93
4.7K
R7A99
89
10K
10K
1/16W
R7A90
1/16W
1/16W
100
1/16W
KSC1
90
R7A91
100
KSC0
1/16W
91
R7C92
100
C7A91
C7A90
0.01
0.01
1/16W
R7C95
50V
50V
92
R7C93
10K
1/16W
100
1/16W
93
R7A94
R7C98
100
22K
1/16W
1/16W
94
R7A95
10K
1/16W
C7A95
95
1000
25V
96
C7A93
R7A97
C7A96
R7A96
0.1
470
220
1K
16V
1/16W
50V
1/16W
97
R7A98
C7A97
C7A94
1M
680
2.2U
1/16W
25V
6.3V
98
L7A99
201 OHM
99
C7A98
C7A99
47
0.1
16V
25V/16V
100
C7A03
R7A00
0.1
470
16V
1/16W
R7A01
C7A00
1M
680
25V
1/16W
IC9C51
L9C51
LD29150DT33R
221 OHM
IN OUT
1
3
TV-RESET
C9C52
GND
C9C53
C9C54
100
0.1
2
0.1
16V
25V/16V
25V/16V
20 21 22 23 24 25
26 27 28 29 30 31 32 33 34 35 36 37 38
39 40 41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
TA
RA
1
2
3
4
5
6
7
8
9
10
11 12 13
14 15 16 17
18 19 20 21 22 23 24
25 26 27
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
3.3VS
7
8
9
10
3.3VSL
C7C21
R7C24
R7C23
0.1
10K
10K
25V/16V
1/16W
1/16W
R7A69
R7A68
R7A66
R7A56
100
4.7K
4.7K
2.2K
1/16W
1/16W
1/16W
1/16W
R7A80
R7A78
2.2K
100
R7A76
1/16W
1/16W
0
1/16W
R7A75
R7A73
R7A71
R7A64
R7A59
R7A58
100
10K
0
100
100
100
1/16W
1/16W
1/16W
1/16W
1/16W
1/16W
80
79
77
76
70
67
66
64
63
62
59
57
56
78
75
74
73
72
71
69
68
65
61
60
58
55
LAMP-R
DM_PWR_GOOD
LAMP-G
STATUS-R
STATUS-G
MUTE-MNT
STBY
PWRLED
DM-TEMP
KSC1
IC7A00
M306V7MG-162FP#U0
KSC0
INPUT-DET1
HDD-TEMP
INPUT-DET0
VHOLD
HLF2
CV_IN_SUB
GND4
VCCE(5VST)
CV_IN_MAIN
2
5
6
7
8
11
13
15
18
21
22
23
24
1
3
4
9
10
12
14
16
17
19
20
25
26
R7A25
C7A01
R7A03
R7A04
R7A06
R7A07
C7A20
100
1000
R7A12
0.01
100
100
100
100
C7A16
C7A17
C7A19
1/16W
25V
R7A02
1K
0.1
47
25V
25V
R7A24
R7A26
1K
1/16W
1/16W
1/16W
1/16W
R7A09
1/16W
100
25V/16V
16V
1000
100
1/16W
4.7K
1/16W
1/16W
R7A05
1/16W
R7A13
R7A23
100
470
10K
C7A12
1/16W
C7A04
C7A02
1/16W
1/16W
0.01
R7A20
2.2U
220
25V/50V
100
R7A16
6.3V
50V
10K
R7A19
1/16W
C7A06
C7A07
1K
1/16W
100
100
C7A13
X7A13
C7A15
22
1/16W
50V
50V
16.000MHz
22
50V
50V
R7A18
R7B10
R7A14
8.2K
2.2K
2.2K
1/16W
L7A16
1/16W
1/16W
3.3VSL
IC7A02
C7A09
R7A15
MAX823REUK+T
0.1
4.7K
25V/16V
1/16W
R7A11
5
VCC
WDI
4
10K
1/16W
IC7A03
RST
1
MR
3
TC7SA08FU(TE85L,F)
GND
C7A10
2
1U
10V/16V
1
INB
VCC 5
C7A11
2
INA
0.1
25V/16V
R7C01
R7C05
3
GND
OUTY 4
0
0
1/16W
1/16W
TO DM
48 49
50
11
12
13
R7A43
10K
1/16W
R7A51
100
R7A53
1/16W
100
1/16W
R7A54
10K
1/16W
52
51
54
53
R7A50
1K
COVER-DET
1/16W
50
R7A52
100
BWC2
1/16W
49
R7C50
R7A48
10K
100
1/16W
BWC1
1/16W
D7A44
48
MC2838-T112-1
3.3V
R7C47
10K
BUS_REQ
1/16W
47
R7A46
R7A47
10K
5.6K
Tie 3.3V(UPDATE)
1/16W
R7A45
1/16W
46
10K
1/16W
R7A42
100
AC_OFF
1/16W
45
R7A44
R7C48
100
1K
STBY-SHORT
1/16W
1/16W
44
C7A44
R7B42
CARDDET
0.1
5.6K
25V/16V
43
1/16W
R7C83
10K
1/16W
PON-SHORT
42
GND(UPDATE)
R7A40
41
4.7K
1/16W
DMFANSTP
DMFANSTP
40
SIGNAL-SHORT
39
CTS0-TRS0
38
R7A37
R7A32
100
10K
GND(UPDATE)
1/16W
1/16W
37
RXD0
36
TXD0
35
NC
34
NC
33
NC
32
LAMPLITZ
31
28
29
27
30
R7A30
100
C7A29
1/16W
0.1
R7A29
R7B29
25V/16V
100
1/16W
4.7K
1/16W
VCC
OE
R7A27
5
1
100
1/16W
A
2
R7A34
B
GND
4
3
4.7K
1/16W
IC7A29
SN74CBTD1G125DBVR
R7A33
4.7K
1/16W
R7C27
R7C29
R7C30
0
0
0
1/16W
1/16W
1/16W
CONTENTS
PG 1.....BLOCK
PG 2.....POWER / INTERFACE
PG 3.....SIGNAL1 [TV MICRO]
PG 4.....SIGNAL2 [AUDIO / DC-DC]
PG 5.....SIGNAL3 [VID-AUDIO-SW]
PG 6.....SIGNAL4 [FMT-MICRO]
PG 7.....SIGNAL5 [TUNER]
PG 8.....SIGNAL6 [PIN-JACK] / MISC [CONTROL/E2P/FRONT/PREAMP]
PG 9.....DM1 [DMDCDC]
PG 10....DM2 [DMCORE]
PG 11....DM3 [DMMEMA/DC]
PG 12....DM4 [DMMEMB/USB]
PG 13....DM5 [DMROM/AV]
PG 14....DM6 [DMADC-DVI]
14
15
16
WD-52531 V32
WD-62531 V32
PG 15....DM7 [DMPM8]
WD-62530 V32L
PG 16....DM8 [DM-HDMI]
PG 17....DM9 [DM-AUDIO]
PAGE 3

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