Mitsubishi Electric WD-57831 Service Manual page 69

1 2 3
PG 4.....SIGNAL1 [TV MICRO]
A
FREERUN
B
3DRST 3DRST
C
D
MAN-RST
MUTE-AVR
MUTE-MNT
MUTESPKR MUTESPKR
MUTESPKR2 MUTESPKR2
SIG-SHORT SIG-SHORT
STBY-ON
STBY-ON
AVR-DET
AVR-DET
LAMP-R
LAMP-G
E
STATUS-R
STATUS-G
RMC
RMC
PWRLED
KSC1
KSC0
INPUT-DET1
INPUT-DET0
SB-CCD
MN-CCD
SD-SUB
SD-MN
3.3VSL
MAIN-V
F
MAIN-V
5VSL
5VSCL
5VSDA
ANT-SW
ANT-SW
AC-OFF
G AC-OFF
TVRST TVRST
TV-TXD TV-TXD
TV-RXD TV-RXD
TV-RTS
TV-RTS
TV-CTS
TV-CTS
DMPWRGOOD
DMPWRGOOD
DMRST
DMRST
MAIN-RELAY MAIN-RELAY
CARD-DET CARD-DET
H
IC9C60
R9C61 LD29150DT50R
0
1/16W
1
C9C60
100 C9C61
16V 0.1
25V/16V
I
J
K
4 5 6
3.3VSL
R7A65 R7A72
10K 10K
1/16W 1/16W
L7A73
BLM18BB141SN1
C7A73
0.47
D7A73
16V/10V
MC2838-T112-1
MUTESPKR
R7C61
2.7K 25V/16V
1/16W
0.1
Q7A81 C7A81
2SA1235A-T112-1E,F
LAMP-R
LAMP-R1
R7C63
2.7K
LAMP-G 1/16W R7A83
R7C62 10K
R7C65 LAMP-G1 1/16W
2.7K 2.7K
1/16W
1/16W
R7A84
Q7A83 10K
STATUS-R 2SA1235A-T112-1E,F 1/16W
R7A85
Q7A84 10K
1/16W
STATUS-G 2SA1235A-T112-1E,F SIGN1418
Q7A85 R7A86
100
2SA1235A-T112-1E,F
1/16W
STBY-ON
R7A92 R7A87
100
330 Q7A88
1/16W 1/16W
2SC3052-T112-1E,F
R7A79
2.7K
C7A88 1/16W
L7A89 0.1 C7A89
25V/16V 10
16V
R7A88
4.7K
R7A99 R7A93
10K 10K 1/16W
R7A90
1/16W 1/16W
100
1/16W
R7A91
100
1/16W
R7C92
C7A90 100
0.01 1/16W
C7A91
50V
0.01
R7C95
50V 10K
1/16W
R7A94
100
1/16W
C7C89
R7A95 0.01
25V/50V
10K
R7C98 1/16W
C7A96
10K 220
1/16W
50V
C7A93
R7A97
R7A96 0.1 470
1K 16V
1/16W 1/16W
R7A98 C7A97
C7A94 1M
680
2.2 1/16W 25V
50V
L7A99
201 OHM
C7A98
47
16V
C7A03 R7A00
470
0.1
16V 1/16W
C7A00
R7A01
1M 680
1/16W 25V
3.3VSL
IC9C51
L9C51 LD29150DT33R
221 OHM
IN OUT
1 3
C9C53 GND C9C54
C9C51
100 0.1 2 0.1
16V 25V/16V 25V/16V
IN OUT
3
GND
2
C9C62
C9C63
100 0.1
16V 25V/16V
GND
SIGNAL003
7 8 9 10
R7C75
R7A78
100 0
R7B80 R7A69 R7A68 R7A66
1/16W 1/16W 100
2.2K 1/16W 4.7K 4.7K
1/16W 1/16W 1/16W
R7A76
R7A21 R7A17 TEST3
R7A62 100 0 100
100 TEST4 R7A64
1/16W 1/16W 1/16W TEST2 R7A57
1/16W 100 100
TEST1 1/16W
R7A71 1/16W
R7A73 100 R7A63 R7A59 R7A58
1/16W 100
100 100 100
1/16W 1/16W 1/16W 1/16W
R7A80 R7A74
100
100
1/16W 1/16W
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
R7A81
10K
LAMP-R
1/16W
81
DM_PWR_GOOD
82
R7A82
100
1/16W LAMP-G
83
STATUS-R
84
STATUS-G
85
MUTE-MNT
86
STBY
87
PWRLED
88
DM-TEMP
89
IC7A00
KSC1
90
M306V7FGFP#U0-V321
KSC0
91
INPUT-DET1
92
HDD-TEMP
93
INPUT-DET0
94
95
C7A95
1000
25V
96
SB-CCD
97
98
5VST
99
C7A99
0.01
25V/50V MN-CCD
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
C7A01 R7A38 C7A20
R7A12 R7A13 0 R7A23
1000 R7A03 R7A04 R7A06 R7A07 C7A19 0.01 100
100 100 100 100 1K 470 1/16W
25V R7A02 1/16W 1/16W 25V 25V/50V 1/16W
1K 1/16W 1/16W 1/16W 1/16W
1/16W R7A09 X7A13 1000
4.7K
R7A05 R7A20
1/16W 100 R7A24
100 100
1/16W 1/16W 1/16W
C7A04 C7A02 C7A12 C7A13 16.000MHz
220 22
2.2 R7A16 0.01
50V 50V C7A06 25V/50V 50V C7A15
10K R7A19
1/16W 100 C7A07 22 1K
100 50V 1/16W
50V 50V
C7A16
C7A17 R7A70
0.1
47
25V/16V R7A18 1/16W
R7A10 16V
8.2K
2.2K 1/16W
1/16W
L7A16
3.3VSL
IC7A02
MAX823REUK+T R7A15
C7A09 4.7K
0.1 1/16W
R7A11 VCC WDI
25V/16V 5 4
10K
1/16W
IC7A03
RST MR
1 3 TC7SA08FU
GND
C7A10
2
1U
10V/16V 1 INB VCC 5
C7A11
0.1
25V/16V
2 INA
3 GND OUTY 4
R7C05
0
1/16W
11 12 13
3.3VSL
R7B56
R7A43
2.2K 1K
1/16W
1/16W
R7A51
100
R7A53
100 1/16W
1/16W
R7A54
ITC-TEST
10K
R7A56
100 1/16W
1/16W
56 55 54 53 52 51
R7A49
100
1/16W
C7A50
0.1
COVER-DET
25V/16V
50
BWC2
49
R7A50
10K
1/16W
BWC1
48
R7C47 3.3VSL
10K
BUS_REQ
1/16W
47
R7A46 R7A47
10K 5.6K
Tie 3.3V(UPDATE) 1/16W R7A45 1/16W
46 10K
1/16W
R7A42
100
AC_OFF
1/16W
45
STBY-SHORT
DM-SHORT
44
R7A44
100
C7A44
CARDDET 0.1 1/16W
R7B42
43 5.6K 25V/16V
1/16W
PON-SHORT
42 C7A43
R7A41
0.1 R7A39
0
25V/16V 0
GND(UPDATE) 1/16W R7A40 1/16W 1/16W
41 10K
5.6K R7C83
1/16W
DMFANSTP
40
C7A05 DMFANSTP
0.1
SIG-SHORT 25V/16V
SIG-SHORT
39
R7C38
100
CTS0-TRS0 1/16W
38
R7A37
R7A32
100 10K
GND(UPDATE) R7C32
1/16W 1/16W 2.2K
37
1/16W
R7C36
100
RXD0
1/16W
36
R7C31
R7C35
2.2K
100 1/16W
TXD0 1/16W
35
NC
34
NC
33
NC
32
LAMPLITZ
31
25 26 27 28 29 30
C7A29
R7A30 0.1
R7A26 100 25V/16V
100
1/16W
1/16W R7A29
100 R7B29
4.7K
1/16W
1/16W
R7A27 VCC OE
5 1
100
1/16W
A
2
B GND
10K 4 3
IC7A29
SN74CBTD1G125DBVR
R7A33
4.7K
1/16W
R7C27
0
1/16W R7C29
0
1/16W
R7C30
0
1/16W
5VS-SHORT
5VS-SHORT
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
WD-57831 V34
WD-65831 V34
PG 15....DM6 [1394/DVI/F]
PG 16....DM7 [DMPOD] WD-73831 V34
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 4