Mitsubishi Electric WD-52531 Service Manual page 53

1 2 3
PG 7.....SIGNAL5 [TUNER]
ANT-RELAY SWITCH
TU100
Direct
A RE100 115U2006AM-F
Connection
Antenna
In
Cable
In
20 21 22 23 24 25 26 27 28
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
G S
GND
L101
TP106
BLM21B272S
30VS GND GND
GND
C101
0.01
C102
50V
10 C104
R118 C106
50V AFTMAIN 220 100
0
6.3V 16V
B 1/16W
GND GND
C103
0.1
R108
25V/16V
0
GND 1/16W
RT1N436C-T112-1
(FROM TV MICRO) R119
3.3K
1/16W
ANT-SW
B C
3 Q103
C GND
1/16W
2.2K
L104
R120
BLM18PG600SN1
9VS
C111
0.1
25V/16V
GND
L103
BLM21B272S
5VS
D
5v
C105
0.1
R103 25V/16V
2.2K
1/16W
AFT-H
E
GND R109
2.2K
1/16W
R101
3.3K
1/16W
8 7 6 5
R110
1.5K
GND 1/16W
IC102
R111
2.2K
MAX4232AKA+T 1/16W
1 2 3 4
R104
2.2K
AFT-L 1/16W GND GND
R102
3.3K R125
1K
1/16W
1/16W AFTMAIN
TO SH1 RA
Controoled by X226
AFT-H,AFT-L GND
D101
F AFT
RSB6.8S
GND
G
H
I
J
K
All manuals and user guides at all-guides.com
4 5 6
C109
0.1 R113
16V IF+
100
1/16W
R114 IF-
C110 100
0.1 1/16W
16V
R1544
0
1/16W
R1541
0
1/16W
C108
0.1 R115
1K
25V/16V C107 R116
100 1/16W
75
16V 1/16W
GND GND
R112
100
1/16W
Q101
2SA1235A-T112-1E,F
GND
1.8VDCF
C1554
0.1
25V/16V
C1549
0.1
25V/16V
C1551
0.47
10V
R1510 GND
1
3W
R1511
22K
1/16W
C1585
10uF
C1552
47
16V C1553
0.1
25V/16V
GND
SIGNAL3
[ SIGNAL1 ]
7 8 9
L1508
BLM18PG300SN1
1.8VDCF
L1505
BLM18PG300SN1
128
L1506
BLM18PG300SN1
C1555
0.1
C1556 C1573
C1550 25V/16V
0.1 0.1 25V/16V
0.1
25V/16V C1565 25V/16V 0.1
25V/16V C1567 C1523
0.1
0.1 1
25V/16V VDD3.3
25V/16V
DGND
2
GND
1.0VF 3 VDD1.0
C1518
0.1
25V/16V DGND
4
GND
VDD1.8
5
6 OSC_XTAL_OUT
X1500
SMD-49 25.140MHz
OSC_XTAL_IN
7
8 AGND
C1512 C1516
8 8
50V 50V
AVDD_OSC
9
GND GND
C1507
0.1
16V
ADC_INP
10
R1501
390
1/16W
11 ACD_INN
C1508
0.1
16V AVDD_ADC
12
AGND
13
16V 14 ADC_VREF_P
0.1 C1509
C1502 0.1
16V
15 AVDD_ADC
C1511
1000
16 AGND
25V
C1504
GND 0.1
16V
17 ADC_VREF_N
18 AGND
R1565
0
L1507 1/16W
BLM18PG300SN1 19 AGND
AVDD_FDC AVDD
20
L1504
BLM18PG300SN1
C1574 C1591 AGND
0.1 21
0.1
25V/16V 16V
C1566
0.1
25V/16V C1570 22 N/C
0.1
25V/16V
23 AVDD
GND
24 AGND
N/C
25
DGND
26
AVDD
27
AVDD
28
29 AGND
30 AGND
31 N/C
IC1503
32 N/C
LD29150DT18R
VCC 1.8V
1 3 1.8VDEMOD
33 VDD 1.8
C1557 OUT C1563
10uF GND 0.1 C1568 AVDD
2 100
6.3V 25V/16V
16V
34 DGND
0.5A Reg.
VDD 1.0
1.0VF 35
C1519
0.1
DGND
25V/16V 36
IC1502
SC4215ISTRT GND
VDD 3.3
R1533 R1532 37
12K 3K
1/16W
1/16W
1 NC GND 8
38 VDD 3.3
EN C1520
2 ADJ 7 0.1
25V/16V
1.0V 39
3 VIN VO 6 1.0VCORE
C1571
0.1 C1572
10uF C1524
25V/16V C1593
4 NC NC 5 6.3V 0.1
100
6.3V 25V/16V
16V
C1501
L1500 0.1
BLM18PG300SN1 25V/16V
3.3VSF
C1506
56
50V
GND
L1510
BLM18PG300SN1
C1584
0.1
25V/16V
GND
I2CCLK
I2CDATA
T314_RESET
10 11 12
R1507
10K
1/16W
1.0VF AVDD
3.3VS
R1504
C1526 C1535 R1508 R1556
0.1 1K 10K
0.1 C1536 4.7K
16V 1/16W 1/16W
16V 0.1 1/16W
25V/16V
GND GND R1555
4.7K
AVDD 1/16W
1.0VF GND
GND
C1534
0.1
1.0VF
C1527 25V/16V
0.1
25V/16V
C1530 C1531 GND C1538
0.1
0.1 0.1
GND 25V/16V AGND
25V/16V 25V/16V
3.3VSF 3.3VSF
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103
102
VDD3.3
DGND 101
GPIO_2/PDET_COMP_IN 100
GPIO_3 99
GPIO_4
98
DGND
97
DGND 96
I2C_ADDR1 95
I2C_ADDR0 94
GPIO_5 93
VDD1.0
92
VDD1.8
91
VDD3.3
90
GPIO_6 89
88
GPIO_7
GPIO_8 87
IC1500
DGND 86
DGND 85
T312 A21 100-CG1028
GPIO_9
84
GPIO_10
83
TDO 82
VDD1.0 81
VDD1.8 80
VDD3.3 79
TCK 78
TMS 77
TRST
76
DGND
75
DGND 74
TDI 73
/POWER_RESET 72
I2C_SDA
71
VDD1.0 70
VDD1.8 69
VDD3.3
68
12C_SCL
67
MPEG_PKT_SYNC
66
MPEG_ERR
65
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
C1539
C1533
0.1 0.1
C1589 25V/16V
25V/16V R1522
10 0
C1525 50V 1/16W
0.1
25V/16V
C1590
10
50V
3.3VSF
25V/16V C1532
0.1 0.1 C1537
R1509 0.1
C1528 25V/16V 10
25V/16V
R1506 1/16W
R1512
10
1/16W GND 10
1/16W
GND
GND
1.0VF
R1569
22
1/10W
GND
1/10W
22
R1568
16 15 14 13 12 11 10 9
IC1504
74LVC257APW-T
1 2 3 4 5 6 7 8
R1550 R1566
0
22
1/16W 1/10W
R1567
22
GND 1/10W
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]
13 14 15 16
R1561
R1560 0
0
1/16W
1/16W
Level Shifter
Q1500
uPA672T-A-T1
S1
D1
1 6
G1
2 5
G2
3 4
D2 S2
C1540
0.1
25V/16V
R1519
10K
1/16W
R1520
10K
GND
1/16W
GND
C1544
0.1 GND
25V/16V
1.0VF
AVDD
C1541
0.1
25V/16V
1.0VF
C1545
0.1
25V/16V
AVDD
C1542
0.1 R1517
25V/16V 10K
1/16W
GND
3.3VS
R1513
1K
1/16W
3.3VS
3.3VS
R1516
1K
R1527
1/16W C1583
10K
0.1 1/16W
R1524
25V/16V
0
1/16W
R1521
0
1/16W
1.0VF
C1546
0.1
AVDD 25V/16V
GND
C1543
0.1
25V/16V
TP1501
R1518
0
1/16W
GND
L1509
221 OHM
1.0VCORE 1.0VF
C1558 C1560 C1569 C1575
C1564
100 220 0.1 10 0.1
16V 6.3V 25V/16V 16V 25V/16V
GND GND GND GND GND
L1503
BLM18PG300SN1
1.8VDEMOD 1.8VDCF
L1502
BLM18PG300SN1
AVDD
C1576
0.1
C1561 25V/16V C1577
C1559 0.1 10
25V/16V 16V
0.1
25V/16V C1562
10
16V
GND
WD-52531 V32
WD-62531 V32
PG 15....DM7 [DMPM8]
WD-62530 V32L
PG 16....DM8 [DM-HDMI]
PG 17....DM9 [DM-AUDIO]
PAGE 7
SIF-IN
A-SDA
A-SCL