Mitsubishi Electric WD-57831 Service Manual page 82

1 2 3
PG 17....DM8 [DMADC-MAIN]
A
B
C
D
E
F
G
H
I
J
TO DM 10
K
4 5 6 7
TO DM 2
R7E51
0
1/16W
R7E52
0
1/16W
C7E47
0.1
25V/16V
Level Shifter
Q7E04
uPA672T-A-T1
R7E56
DGND
R7E53 S1 D1 0
1/16W
10K
1/16W 1 6
R7E01
0
G1 1/16W
2 5
G2
R7E54
R7E02
0 0
L7E09 1/16W
3 4 1/16W
221 OHM S2
D2
R7E55
0
1/16W
R7E58
10K
1/16W
R7E57
10K
C7E48 1/16W
0.1
25V/16V
DGND
MAIN_PR
MAIN_C/PB
MAIN_Y
IC7E02
BA18BC0FP-E2
3.3V 1.8V
1 VCC 3
C7E25
OUT
0.1 NC
C7E26 C7E28
25V/16V 2 100
47 L7E01
6.3V 16V 25V/16V 6.3V
C7E27 221 OHM
0.1 0.1 47
C7E02
25V/16V C7E03
9mA
DGND
DGND
R7E63
0 GND
R7E28
0 1/16W
1/16W
DGND
L7E07 D3.3V
R7E29 221 OHM
0
1/16W
C7E42
25V/16V
C7E45 C7E24
0.1
47 0.1
6.3V
25V/16V R7E16
1.5K
1/16W
DGND
L7E08 Analog1.8V
10MH DGND
C7E46
47 80 79 78 77 76
C7E43 6.3V
25V/16V
0.1
DGND DGND
C7E04
25V/16V
0.1
1 VD(3.3V)
C7E08
0.047
16V/25V
2 BAIN0
3 GND
4 BAIN1
5 VD(3.3V)
C7E09
C7E05
0.047
25V/16V 16V/25V
0.1
6 GAIN0
7 GND
C7E11
1000 50V
8 SOGIN0
9 VD(3.3V)
C7E06
25V/16V
0.1
10 GAIN1
11 GND
12 SOGIN1
13 VD(3.3V)
C7E10
C7E07
0.047
25V/16V 16V/25V
0.1
14 RAIN0
15 GND
16 RAIN1
GND
DGND
17 PWRDN/TRI-ST
C7E01
0.01
25V/50V
18 REFLO
C7E12
10uF
6.3V
19 REFCM
20 REFHI
WHEN PWRDN LOW, ENTER LOW POWER MODE
DGND
R7E50
1K
1/16W
21 22 23 24 25
R7E17 R7E04
10K
68
1/16W 1/16W
D3.3V
L7E02
BLM18AG121SN1
TO DM 5,9,10 TO DM 10
8 9 10
IE=4.2mA
R7E03
0
1/16W
1.8V
R7E46
0
1/16W
GND
C7E19
R7E12 25V/16V
0 0.1
1/16W
YES
D3.3V
R7E14
R7E13 R7E11
1K 1K R7E10
100 100
1/16W 1/16W 1/16W 1/16W DGND
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
BLUE(1) 60
BLUE(2) 59
BLUE(3) 58
57
BLUE(4)
R7E64
0
56 1/16W
BLUE(5)
BLUE(6) 55
BLUE(7) 54
GND 53
IC7E01
VDD(3.3V) 52
C7E18
25V/16V
AD80138KSTZ DGND
0.1
NC 51
R7E09
56
NC 50
1/16W
GREEN(0) 49 5 Y-MI[0]
4
Y-MI[1]
6 3
ADC GREEN(1) 48
Y-MI[2]
7 2
Y-MI[3]
GREEN(2) 47 8 1
R7E08
GREEN(3) 46 56
1/16W
GREEN(4) 45
Y-MI[4]
5 4
GREEN(5) 44 6 3 Y-MI[5]
Y-MI[6]
7 2
GREEN(6) 43
Y-MI[7]
8 1
GREEN(7) 42
L7E04
221 OHM
DAVDD(1.8v) 41 1.8V
C7E17
0.1
25V/16V
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
8 7 6 5 8 7 6 5
R7E05
68
1/16W R7E07
R7E06
56 56
1 2 3 4 1 2 3 4
C7E15
25V/16V C7E16
25V/16V
0.1
0.1
DGND
11 12 13 14
TO DM 12
R7E42
R7E43
0 0
1/16W
1/16W
R7E45
0
1/16W
R7E44
0
1/16W
TO DM 12
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]
15 16
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 17