Mitsubishi Electric WD-52531 Service Manual page 53

1 2 3
PG 7.....SIGNAL5 [TUNER]
ANT-RELAY SWITCH
TU100
Direct
A
RE100 Connection 115U2006AM-F
Antenna
In
Cable
In
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
G S
GND
L101
BLM21B272S TP106
30VS
GND GND GND
C101
0.01
50V C102
10 C104
R118 AFTMAIN C106
50V 220 100
0 6.3V
1/16W 16V
B
GND GND
C103
0.1
R108
25V/16V
GND 0
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
C108
25V/16V
D
5v
C105
0.1
25V/16V
R103
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
TO SH1 RA AFTMAIN
Controoled by X226
GND
AFT-H,AFT-L D101
F AFT
RSB6.8S
GND
G
H
I
J
K
4 5 6
C109
0.1 R113
16V 100 IF+
1/16W
1.8VDCF
R114 IF-
C110 100
0.1
1/16W
16V
R1544
0
1/16W
R1541
0
1/16W
0.1 R115
C107 1K R116
1/16W
100 75
16V 1/16W
GND GND
R112
100
1/16W
Q101
2SA1235A-T112-1E,F
GND
L1507
BLM18PG300SN1
1.8VDCF
L1504
BLM18PG300SN1
C1554
0.1
C1549 25V/16V
0.1
25V/16V
LD29150DT18R
C1557
10uF
6.3V
C1551
0.47
10V
R1510 GND
1
3W IC1502
SC4215ISTRT
R1511
22K 1 NC
1/16W
EN
2
3 VIN
C1585
4 NC
10uF
C1552 6.3V
47
C1553
16V 0.1
25V/16V
GND
SIGNAL3
[ SIGNAL1 ]
7 8 9 10
L1508
BLM18PG300SN1
L1505
BLM18PG300SN1
128 127 126
L1506
BLM18PG300SN1
C1555
0.1
C1556
C1550 25V/16V C1573
0.1 25V/16V
0.1 0.1
25V/16V 25V/16V 0.1
25V/16V C1565 C1567
0.1 C1523
0.1 1
25V/16V VDD3.3
25V/16V
DGND
2
GND
1.0VF 3 VDD1.0
C1518
0.1
25V/16V 4 DGND
GND VDD1.8
5
6 OSC_XTAL_OUT
X1500
SMD-49 25.140MHz
OSC_XTAL_IN
7
AGND
C1512 C1516 8
8 8
50V 50V
9 AVDD_OSC
GND GND
C1507
0.1
16V
ADC_INP
10
R1501
390
1/16W
11 ACD_INN
C1508
0.1
16V AVDD_ADC
12
13 AGND
16V 14 ADC_VREF_P
0.1 C1509
0.1
C1502
16V
AVDD_ADC
15
C1511
1000
16 AGND
25V
C1504
GND 0.1
16V
17 ADC_VREF_N
18 AGND
R1565
0
1/16W
19 AGND
AVDD_FDC AVDD
20
C1574 C1591
21 AGND
0.1 0.1
C1566 25V/16V 16V
0.1
C1570 22
25V/16V N/C
0.1
25V/16V
23 AVDD
GND
24 AGND
N/C
25
26 DGND
AVDD
27
AVDD
28
29 AGND
30 AGND
31 N/C
IC1503 N/C
32
VCC 1.8V
1 3 1.8VDEMOD
33 VDD 1.8
OUT C1563
C1568
GND 0.1 AVDD
2 100
25V/16V 16V
34 DGND
0.5A Reg.
1.0VF 35 VDD 1.0
C1519
0.1
36 DGND
25V/16V
GND
R1533 R1532 37 VDD 3.3
12K 3K
1/16W 1/16W
GND 8
38 VDD 3.3
C1520
ADJ 7 0.1
25V/16V
1.0V 39 40 41 42
VO 6 1.0VCORE
C1571
C1572
0.1
10uF C1524
NC 5 25V/16V 6.3V C1593 0.1
100
25V/16V
16V C1525
0.1
25V/16V
C1501
L1500 0.1
BLM18PG300SN1 25V/16V 3.3VSF
C1506
56
50V
GND
GND
L1510
BLM18PG300SN1
C1584
0.1
16
25V/16V
1
R1550
0
1/16W
GND
I2CCLK
I2CDATA
T314_RESET
11 12 13
R1507
10K
1/16W
1.0VF AVDD
3.3VS
C1526 R1504 C1535 R1508 R1556
1K 10K
0.1 0.1 C1536 4.7K
16V 1/16W 1/16W
16V 0.1 1/16W
25V/16V
R1555
GND GND
4.7K
1/16W
AVDD GND
1.0VF
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
25V/16V 25V/16V AGND
3.3VSF
3.3VSF
125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103
C1540
0.1
102 25V/16V
VDD3.3
DGND 101
GPIO_2/PDET_COMP_IN 100
GPIO_3 99
GPIO_4
98
DGND 97
DGND
96
R1519
10K
1/16W
I2C_ADDR1 95
R1520
10K GND
1/16W
I2C_ADDR0 94
GND
GPIO_5 93
C1544
0.1
25V/16V
VDD1.0 92
VDD1.8
91 AVDD
VDD3.3
90
C1541
0.1
25V/16V
GPIO_6 89
GPIO_7 88
GPIO_8 87
IC1500
DGND 86
DGND 85
T312 A21 100-CG1028
GPIO_9 84
GPIO_10 83
TDO 82
81
VDD1.0
C1545
0.1
25V/16V
VDD1.8 80
VDD3.3 79
C1542
0.1 R1517
25V/16V 10K
1/16W
TCK 78
TMS 77
R1513
1K
1/16W
TRST
76
DGND
75
DGND 74
R1516
1K
1/16W
TDI 73
/POWER_RESET 72
R1521
0
1/16W
I2C_SDA
71
VDD1.0 70
VDD1.8 69
AVDD
VDD3.3
68
C1543
0.1
25V/16V
12C_SCL 67
MPEG_PKT_SYNC
66
TP1501
MPEG_ERR
65
R1518
0
1/16W
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 R1522 25V/16V
10 0
50V 1/16W
C1590
10 GND
50V
3.3VSF
25V/16V C1532
0.1 0.1 R1509 C1537
0.1
C1528 25V/16V 10
1/16W 25V/16V
R1506
10 R1512
10
1/16W GND
GND 1/16W
GND
1.0VF
R1569
22
1/10W
1/10W
22
9 R1568
15 14 13 12 11 10
IC1504
74LVC257APW-T
2 3 4 5 6 7 8
R1566
22
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]
14 15 16
SIF-IN
R1561 A-SDA
R1560 0
0
1/16W 1/16W
A-SCL
Level Shifter
Q1500
uPA672T-A-T1
S1 D1
1 6
G1
2 5
G2
3 4
D2 S2
GND
1.0VF
1.0VF
AVDD
GND
3.3VS
3.3VS
3.3VS
C1583 R1527
10K
0.1
R1524 1/16W
25V/16V
0
1/16W
1.0VF
C1546
0.1
25V/16V
GND
L1509
221 OHM
1.0VF
1.0VCORE
C1558 C1560 C1564 C1569 C1575
10
100 220 0.1 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