Mitsubishi Electric WD-57831 Service Manual page 72

1 2 3
PG 7.....SIGNAL4 [3DYC / NTSC DECODER]
A
B
C
D
E
F X8H26
3.579545MHZ
HC-49/U 3.579545MHZ (RoHS)
C8H26
15
50V
C8H27
470
25V/50V
C8H28
R8H28
0.47 15K
10V
1/16W
30 29 28
31
C8H32
SGND
0.47
10V
32 CIN
C8H33
4.7
16V
33 A-PED
C8H34
R8H34
75 0.47
10V
1/16W
34 CVBS/Y-IN
G
ADRS-9EH
35
R8H36
100
1/16W
36 SCL
R8H37
100
1/16W
SDA
37
C8H38
R8H00 R8H38
2.2K 100 1U
10V/16V
1/16W 1/16W
38 V-SYNC
R8H21 C2M01 R8H39
C8H39
1.5K 0.1 220 4700
1/16W 1/16W
25V/16V 50V 39 H-SYNC
Q8H21
2SA1235A-T112-1E,F V-HOLD
40
C8H30
0.47
C8H21 R8H30 10V 1 2 3
120 330K
50V 1/16W
R8H01
330
H 1/16W
R8H83 CF8H01
10K
R8H02 C8H02
1/16W
5.6K 0.01
CSB500F2 1/16W
25V/50V
R8H84 C8H01
10K
4.7
1/16W Q8H22 16V
2SC3052-T112-1E,F
I
J
K
4 5 6
SIGNAL003
9VS
C2M74
0.1
25V/16V R2M79
120 R2M78
1/16W 1K
1/16W
Q2M74
Q2M73
2SC3052-T112-1E,F
R2M80 R2M77
100 1K
1/16W 1/16W
R2M81
820 R2M76
1/16W 240
1/16W
C2M78
0.1
25V/16V
Q2M44
2SC3052-T112-1E,F
L8H25
R8H26
1.5K 221 OHM
1/16W
C8H25 C8H24
0.1 47
25V/16V 16V
27 26 25 24 23 22 21
R8H82
100
1/16W
20
R8H80
VOUT
100
1/16W
19
UOUT
R8H81
100
1/16W
Y-OUT
18
SGND2 17
SCP
IC8H01 16
R8T85
100
CXA2019AQ/T4
1/16W
H-TIM 15
R8T83
100
1/16W
V-TIM
14
V2-IN
13
U2-IN 12
Y2-IN
11
4 5 6 7 8 9 10
R8H04
10K
1/16W
L8H03
221 OHM
C8H03
0.1
25V/16V C8H04
47
16V
7 8 9 10
SIGNAL003
IC2M02
C2M21
0.1
25V/16V EL 1881CSZ-T7
R2M21
100
1/16W
1 CSYNCOUT VCC 8
C2M23
R2M23
0.1
680 16V
Q2M21 1/16W
2 CVIDIN ODDEVEN 7
2SC3052-T112-1E,F
R2M24
680K
R2M22 C2M22 1/16W
1.5K 25V
3 VSYNCOUT RSET 6
1/16W 560
C2M24
0.1
16V
4 GND BURST 5
L2M70
221 OHM
C2M34
0.1 C2M37
0.1
25V/16V
25V/16V
C2M75
47 R2M38
16V R2M02 1.5K
390 R2M82 C2M35
100 1/16W
1/16W 22
1/16W 50V
R2M74
R2M71
56K 390 R2M35 R2M37
1/16W L2M35
1/16W 470 47
Q2M30 1/16W 15MH 1/16W
C2M70
C2M73 R2M72 2SC3052-T112-1E,F
47 0.1
L2M71 330
16V 27MH 1/16W 25V/16V C2M27 C2M30
R2M34 50V R2M36 Q2M32
1.5K 50V 300
47 15
1/16W 1/16W
R2M75
R2M70
Q2M72 12K
1/16W 100
1/16W
R2M73
C2M72 C2M71
390
1/16W 22 50V
22 Q2M71
50V
2SA1235A-T112-1E,F
L2M40
221 OHM
R2M03
R2M53 C2M59 C2M58
120 47 390
R2M52 16V 0.1 1/16W
1/16W
1K 25V/16V
1/16W R2M45
56K R2M41
1/16W 390
2SA1235A-T112-1E,F
Q2M43 1/16W
C2M56
R2M54 R2M42
100 47 L2M41 330
16V 27MH
1/16W 1/16W C2M86
Q2M42 0.1
2SC3052-T112-1E 16V
C2M55
22 R2M40
100
R2M44 R2M43 50V 1/16W
R2M48
12K 330
1K 1/16W 1/16W C2M42
R2M55 R2M47
820 1/16W 240 50V
1/16W 1/16W 22 Q2M41 C2M96
2SA1235A-T112-1E,F 0.1
R2M33
25V/16V
100
1/16W
Q2M31
2SC3052-T112-1E,F
C2M87
1U
R2M83 10V/16V
820
1/16W
R2M84
820
1/16W
11 12 13
SIGNAL003
SIGNAL001
L2M21
221 OHM
5VS
C2M25
0.1
25V/16V C2M28
100
16V
R2M01
0
1/16W
5V
3.3VS
C2M54
10
R2M60 L2M53
100 221 OHM 16V
1/16W R2M59
100
R2M57 1/16W C2M57 C2M53
10K 0.1 0.1
25V/16V 25V/16V
1/16W
C2M65
0.1
C2M64 25V/16V
47
16V
B8H
L2M81
221 OHM
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
C2M80
47 C2M43
16V AGND 47
16V
C2M81
0.1
25V C2M46
81 FSCO 50
0.1
25V/16V
C2M82 82 49
16V CBPC AGND
0.1
83
ACO XO 48
84 AYO 47
C2M85 XI
0.1
16V
85 CBPY 46
AVDD
C2M88 86 45
1U AGND DVDD
10V/16V
87 AGND TEST24 44
C2M89
47
16V C2M45
88 43 0.1
AYI TEST23
IC2M00 25V
89 42
C2M90 VCLY TEST22
0.1
16V 90 uPD64083GF-3BA-A 41
C2M91 CRBY TEST21
0.1
16V C2M40
91 VRTY DGND 40
0.1
25V/16V
92 TEST20 39
C2M92 AVDD
0.1
25V/16V 93 38
C2M94 AVDD DVDIO
0.1
16V 94 37 C2M38
VRTC TEST19
47
16V
95 VRBC TEST18 36
C2M95
0.1
16V 96 35
ACI TEST17
97 34
AGND TEST16
98
TEST25 TEST15 33
99 TEST26 32
DVDDRAM
100 DVDD 31
C2M98 DVDDRAM C2M32
10 0.1
16V C2M99 25V/16V
0.1
DGNDRAM
25V/16V
22 23 24 25 26 27 28 29 30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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
C2M51
C2M52 0.047
0.1 16V/25V
16V
R2M51
R2M49
220 L2M50
1/16W 360
1/16W 5.6MH
R2M50
56
C2M50
1/16W C2M49
820 560
L2M46
221 OHM 25V 25V
R2M46
220
Q2M50
1/16W
2SA1235A-T112-1E,F
X2M47
20.000MHz
C2M47 C2M48
50V 50V
22
22
C2M44
47
16V
3.3VS
L2M45
221 OHM
2.5VS
IC9M02
LD29150DT25R
L2M38
221 OHM
1 VCCOUT 3
GND C9M08 C9M11
C9M06 2 47 100
16V 16V
0.1
25V/16V
C9M07
0.1
25V/16V
R2M04
L2M39 0
221 OHM
1/16W
C9M10
100
16V
WD-57831 V34
WD-65831 V34
PG 15....DM6 [1394/DVI/F]
WD-73831 V34
PG 16....DM7 [DMPOD]
PG 17....DM8 [DMADC-MAIN]
PG 18....DM9 [DMADC-PCSUB]
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 7