Mitsubishi Electric WD-Y57 Service Manual page 83

1 2 3
PG 18....DM9 [DMADC-PCSUB]
A
B
C
D
PC-B
R8A10
75
1/16W
DGND
E
PC-G
R8A12
75
1/16W
DGND
PC-R
F
R8A11
75
1/16W
DGND
G
H
I
J
TO DM 8
K
4 5 6 7
TO DM 12 TO DM 12
L8A04
221 OHM
R8A43
C8A40 R8A41 3.3K
0.1 R8A39 C8A41 3.3K 1/16W
3.3K C8A42
0.1 1/16W
1/16W 0.1
25V/16V 25V/16V
25V/16V
DGND
DGND DGND
R8A44
Q8A01 150
Q8A02
2SA1235A-T112-1E,F 2SA1235A-T112-1E,F 1/16W Q8A03
2SA1235A-T112-1E,F
R8A40 R8A42
150
150
1/16W 1/16W R8A66
R8A47 2.7K
0 1/16W
R8A63 1/16W R8A64 R8A46
2.7K R8A02
2.7K 0
1/16W 0
1/16W DGND 1/16W DGND 1/16W
DGND DGND
DGND
DGND
R8A13
0
1/16W
L8A03
C8A17 221 OHM
25V/16V C8A18
0.1 47
6.3V
DGND
C8A36
C8A37 0.082
C8A35 C8A34
8200 16V 0.1
0.1
25V 25V 25V
L8A01
221 OHM
DGND
C8A14
C8A48 C8A39
25V/16V 0.1 R8A37
0.1 47 1.5K
25V/16V
6.3V 1/16W
L8A02 DGND
10MH
DGND
C8A15 80 79 78 77 76 75 74
C8A49
25V/16V
47
0.1
6.3V
DGND
DGND
1
VD(3.3V)
C8A23
C8A19 0.047
0.1 16V/25V
25V/16V
2 BAIN0
3 GND
C8A04
0.047
16V/25V
4 BAIN1 (C)
5 VD(3.3V)
C8A24
C8A20
0.047
0.1 16V/25V
25V/16V
6 GAIN0
7 GND
R8A14
0
1/16W C8A26
1000 50V
8 SOGIN0
9 VD(3.3V)
C8A03
C8A21
0.1 0.047
16V/25V
25V/16V (Y)
10 GAIN1
11 GND
C8A02
1000
50V
12 SOGIN1
13 VD(3.3V)
C8A22 C8A25
0.047
0.1
25V/16V 16V/25V
14 RAIN0
15 GND
C8A01
0.047
16V/25V
DGND
16 RAIN1
R8A58
1K
1/16W
17 PWRDN/TRI-ST
C8A05 C8A27
0.01 10uF
6.3V
25V/50V
18 REFLO
19 REFCM
DGND
20 REFHI
21 22 23 24 25 26 27
R8A19
R8A62
56
10K
1/16W
R8A18
68
1/16W
C8A29
0.1
25V
R8A17
68
DGND
1/16W
R8A45 R8A38
68 68
1/16W 1/16W
TO DM 10
8 9 10
TO DM 12
R8A77
0
1/16W
R8A72
0
R8A71
0 1/16W
1/16W
C8A12
100
16V
C8A11
0.1
25V/16V
1.8V
DGND
1.8V
R8A67 R8A68
0 0
1/16W 1/16W
R8A51
100K
DGND
1/16W
R8A33
0
1/16W
GND
C8A33
25V/16V
0.1
R8A81
0
1/16W
D3.3V
R8A01
R8A69
0 1K
1/16W
R8A35 1/16W
R8A36 1K
1/16W R8A70
1K 100 DGND
1/16W 1/16W
71
73 72 70 69 68 67 66 65 64 63 62 61
R8A28
56
CR-SIA[0]
BLUE(3) 60
CR-SIA[1]
1/16W
CR-SIA[2]
BLUE(4) 59
CR-SIA[3]
58
BLUE(5)
BLUE(6) 57
CR-SIA[4]
CR-SIA[5]
BLUE(7) 56
1/16W
CR-SIA[6]
BLUE(8) 55
CR-SIA[7]
BLUE(9) 54 R8A27
56
53
GND
ADC
VDD(3.3V) 52
R8A26 C8A32
56 25V/16V
1/16W 0.1 DGND Y-SIA[0]
IC8A01 GREEN(0) 51
R8A25
56
1/16W
AD80139KSTZ V33,V33Y,V33+ GREEN(1) 50 Y-SIA[1]
AD9984KSTZ-170 V34,V35 R8A24
56
GREEN(2) 49
Y-SIA[2]
5 4
GREEN(3) 48
1/16W Y-SIA[3]
6 3
Y-SIA[4]
GREEN(4) 47 7 2
Y-SIA[5]
8 1
GREEN(5) 46
GREEN(6) 45
Y-SIA[6]
5 4
Y-SIA[7]
GREEN(7) 44 6 3
1/16W
Y-SIA[8]
7 2
GREEN(8) 43
8 1 Y-SIA[9]
L8A06
221 OHM
GREEN(9) 42 R8A23
56
1.8V
DAVDD(1.8v) 41
C8A31
0.1
25V/16V
28 29 30 31 32 33 34 35 36 37 38 39 40
R8A20
8 7 6 5 56 8 7 6 5
R8A21
56
1/16W
R8A22
56
1/16W
1 2 3 4 1 2 3 4
C8A30
25V/16V GND
0.1
DGND
TO DM 10 TO DM 10
11 12 13
TO DM 1
L8A05
221 OHM
IC8A04
SN74LVT245BPWR
C8A06
0.1
1 DIR VCC 20 25V/16V
2 19
A1 OE
R8A03
22
DGND
1/16W
PC-V
3 A2 B1 18
R8A53
C8A08 C8A07
100K
100 100 1/16W
PC-H
R8A52 50V 50V 4 17
A3 B2
100K R8A04
1/16W
22
1/16W
5 A4 B3 16
6 A5 B4 15
7 14
A6 B5
8 B6 13
A7
9 12
A8 B7
10 GND B8 11
DGND
CONTENTS
PG 1.....BLOCK
PG 2.....POWER
PG 3.....TERMINAL
PG 4.....SIGNAL1 [TV MICRO]
PG 5.....SIGNAL2 [AUDIO / PIC MICRO]
PG 6.....SIGNAL3 [VIDEO SWITCH / DCDC CONVERTER]
PG 7.....SIGNAL4 [3DYC / NTSC DECODER]
PG 8.....SIGNAL5 [TUNER1 / DEMOD1]
PG 9.....SIGNAL6 [TVGOS]
PG 10....DM1 [DMHDMI]
PG 11....DM2 [DMCORE]
PG 12....DM3 [DMMEMA/DC]
PG 13....DM4 [DMMEMB/USB]
PG 14....DM5 [DMROM/AV]
14 15 16
AD-SCL
AD-SDA
VSYNC
WD-57732 V33+
WD-65732 V33+
PG 15....DM6 [1394/DVI/F]
WD-73732 V33+
PG 16....DM7 [DMPOD]
PG 17....DM8 [DMADC-MAIN]
WD-Y57 V33Y
PG 18....DM9 [DMADC-PCSUB]
WD-Y65 V33Y
PG 19....DM10 [SPA]
PG 20....DM11 [SPA2]
PG 21....DM12 [DMDCDC]
PG 22....DM13 [DVI]
PG 23....DM14 [DMAUDIO]
PG 24....DM15 [FMTMICRO]
PG 25....MISC [FRONT/CONTROL/PREAMP/E2P/SWLAMP]
PG 26....[INTERFACE / ENG-PWR]
PAGE 18