Mitsubishi Electric WD-52531 Service Manual page 51

1 2 3
PG 7.....SIGNAL5 [TUNER]
L2K77
10MH
A C2K74 C2K79
0.1 100
25V/16V 16V
R2K76
75
1/16W
GND
GND
R2K02 R2K80 R2K78
75 75 75
1/16W 1/16W 1/16W
GND GND
80 79 78 77 76 75
B
Vin3_in8
1
C2K02
1U
10V/6.3V
2
R3/V3_in8
L2K03
221 OHM
Vcc5
3 comp1
C2K04
C2K03 C2K01 C2K05 1U
0.1 47 0.1 10V/6.3V
G2/Y2_in9
25V/16V 16V 25V/16V 4
GND GND 5 Hin2_in9
C2K06
1U
10V/6.3V
6 B2/U2_in9
7 Vin2_in9
C2K08
1U
10V/6.3V
R2/V2_in9
C 8
GND
9
C2K09
1U
10V/6.3V VIDEO SWITCHING
G1/Y1_in10
10
R2K11
100
1/16W
11 Hin1_in10
C2K12
1U
10V/6.3V
B1/U1_in10
12
AN15870A-BT
R2K13
100
1/16W Vin1_in10
13
C2K14
1U
10V/6.3V
R1/V1_in10
14
C2K13
Q2K16 33 L2K16 GND
50V 68MH GND
2SC3052-T112-1E,F 15
R2K09 R2K17 R2K16
10K 3.3K 3.3K
GND
1/16W 1/16W 1/16W
16 Sync_out1
D C2K17
C2K15 C2K16 0.47
10
R2K10 100 16V/10V
10K 50V 50V Sync_in1
17
1/16W R2K18
75K
R2K12
10K GND 1/16W
18 Vsyncsepa1
1/16W C2K18
0.047
16V/25V
GND 19 Vcc5
R2K14 Q2K17
10K 2SC3052-T112-1E,F
1/16W
C2K20
4.7 16V AFC1
20
C2K21
R2K20 2200
C2K19
0.1 4.7K 50V 21 FMonitor1
1/16W
25V/16V
GND
22 R1/V1_out5
GND
OUT5VD
23 VD1_out5
24
B1/U1_out5
E
25 26 27 28 29 30
GND
F
R2KA2
470K
1/16W
R2KA9
Q2KA0 R2KA0 C2KA1
2.7K
2SC3052-T112-1E,F 120K IC2K02 0.018 1/16W
C2KA0 1/16W 50V/25V/16V
100 BA7046F
50V
C2KB0
R2KA1 C2KA3 C2KA2 47
10K 10 10
C2K81 C2KA9 16V
0.1 0.1 1/16W 16V 16V
25V/16V 25V/16V 1 8
R2KA3
L2KA0
100
1/16W 10MH
2 VCC 7
C2KA5 C2KB2
R2KA8 47
Q2KA1 1U 330
2SC3052-T112-1E,F 10V/6.3V 16V
1/16W
3 6
R2KA4
100
R2K82 1/16W
C2KA7 R2KA7 C2KA4
G 4.7K 4 GND 5
1/16W 47 470K 1000 C2KB4
16V 1/16W 25V 47
16V
R2KA5 C2KA8
10K
0.1
1/16W
25V/16V
R2K81
4.7K
1/16W
H
L2L61
10MH
C2L62 C2L61
R2L62
0.1 10
100 25V/16V 16V
1/10W
C2L65
100 R2KB9
4.7K
R2L61 6.3V
100 1/16W
1/16W
R2L64 C2L64 R2KB8
220 Q2KB0
68 6.3V 100
Q2L61 1/16W 1/16W 2SA1235A-T112-1E,F
MTR-CV
2SC3052-T112-1G
R2L63 R2L65
270 68K
1/10W 1/16W
I
J
SIGNAL_2
SIGNAL_6
K
4 5 6
R2K75 R2K73
75 75
1/16W 1/16W
GND GND
R2K72 R2K71
100 100
1/16W 1/16W
GND GND
74 73 72 71 70 69 68 66 65
67
R2K64
100
1/16W
S13 64
C2K63
1U
10V/6.3V
CV2_in2
63
tuner2
R2K62
100
S12 1/16W
input3 62
C2K61
1U
10V/6.3V
tuner1 CV1_in1 61
S22
60
C2K59
1U
10V/6.3V
V7/SC4_in4
59
C2K58
1U
10V/6.3V
input1 U7/SY4_in4
58
R2K57
100
S11 1/16W
57
C2K56
1U
10V/6.3V
Y7/CV4_in4
56
R2K59 R2K58 R2K56
S21 75 75 75
55 1/16W 1/16W 1/16W
C2K54
1U
10V/6.3V
V6/SC5_in5 54
IC2K01
C2K53
1U
U6/SY5_in5 10V/6.3V
53
R2K54 R2K53
DCCONT2 75 75
52
C2K51 1/16W 1/16W
1U
10V/6.3V
Y6/CV6_in5 51
C2K42 R2K51
GND L2K49 75
50 68MH 33
50V 1/16W
R2K49
R2K48 C2K49
GND 3.3K 100
1/16W 3.3K
Sync_out2 49 50V
R2K44 R2K39
1/16W
C2K48 C2K41 10K 10K
1/16W 1/16W
0.47 10
16V/10V 50V
Sync_in2 48
C2K47
R2K42 R2K40
GND 10K 10K
0.047
Vsyncsepa2 47 16V/25V 1/16W 1/16W
GND
R2K47 Q2K49
Q2K48
Vcc5 46 75K 2SC3052-T112-1E,F
1/16W 2SC3052-T112-1E,F
C2K46
C2K45 0.1 C2KG3
AFC2 4.7 25V/16V
45 R2K84 0.1
16V 4.7K 25V/16V
C2K40
1/16W
2200
FMonitor2
44 50V GND
R2K45
4.7K R2K83
GND 1/16W 100
1/16W
G2/Y2_out4 43
Q2K43
Q2K42
2SA1235A-T112-1E,F
2SC3052-T112-1E,F
HD2_out4 OUT4HD R2K85
42 100
R2K41 1/16W
22 C2K43
1/16W 0.1
B2/U2_out4 41
25V/16V
R2K86
1K
R2K43 1/16W
22
1/16W
31 32 33 34 35 36 37 38 39 40
C2K32
0.1 R2K31
GND 22
25V/16V
1/16W
GND
Q2KM1 L2K05
2SC3052-T112-1G 10MH
C2KM1
R2KM1
33K 0.01
25V/50V
1/16W C2KB7
47
R2KM4 16V
56
R2KM2 1/16W
22K
1/16W
R2KM3
270 GND
1/16W
MAIN-Y
MAIN-CB
MAIN-CR
Q2KN1
2SC3052-T112-1G
R2KN1 C2KN1
0.01
33K
1/16W 25V/50V
R2KN4
56
R2KN2 1/16W
22K
1/16W
R2KN3
270
1/16W
Q2KT1
2SC3052-T112-1G
R2KT1 C2KT1
0.01
33K
1/16W 25V/50V
R2KT4
56
R2KT2 1/16W
22K
1/16W
R2KT3
270
1/16W
C2KB9
0.1
25V/16V
SIGNAL_1
7 8 9 10
R2L95 R2L94
10K 10K
1/16W 1/16W
INT3SSW
R2L11
100
1/16W
C2L14 C2L13
1U 0.1
INT2SSW 10V/6.3V 25V/16V
14 13 12 11 10
IC2L01
74LVC14APW-T
INT1C
INT1Y
1 2 3 4 5
INT1SSW
R2L01 R2L03
100 100
1/16W 1/16W
INT1CV
INT2C
R2L93 R2L92 R2L91
10K 10K 10K
1/16W 1/16W 1/16W
INT2Y INPUTS DETECT
INT2CV
Q2KD0
2SA1235A-T112-1E,F
C2KD2 C2KD3 C2KD4
100 0.1 L2KD1 0.047
16V 2200MH
25V/16V 16V/25V
C2KD0 R2KD7
R2KD0 R2KD4
220 0.1 33K
16V 1K 1/16W
1/16W 1/16W
Q2KD1
R2KD1 R2KD3
C2KD1 820K 15K 2SC3052-T112-1E,F
25V/50V
1/16W 1/16W
270
R2KD2
10K
1/16W
SUB SYNC DETECT
L2KE0
221 OHM
C2KE1
R2KE7 R2KE4
3.9K 0.1
1/16W 100 25V/16V
1/16W
Q2KE0
2SC3052-T112-1E,F
R2KE8
390 R2KE5
1/16W
3.9K
1/16W
R2KE6
100
1/16W
Q2KE2
2SA1235A-T112-1E,F
SUB CCD
Q2KF0
2SA1235A-T112-1E,F
2SA1235A-T112-1E,F
C2KF2 C2KF3 L2KF1
100 0.1 2200MH
16V 25V/16V
C2KF0
R2KF0
220 0.1
16V
1/16W R2KF4
1K
1/16W
R2KF3
C2KF1 R2KF1
15K
270 820K 1/16W
25V/50V 1/16W
R2KF2
10K Q2KF1
1/16W 2SC3052-T112-1E,F
L2KC0
MAIN SYNC DETECT
R2KC8 R2KC6
C2KC0 R2KC4
47 47 47
0.1
1/16W 1/16W 1/16W
25V/16V
L2KG0 Q2KG0 Q2KG1
10MH
2SC3052-T112-1E,F 2SA1235A-T112-1E,F
14 13 12 11 10 9 8
R2KG2 C2KG2
R2KG5 C2KG1
R2KG0 10K 100
1/16W 100 0.1
150K 1/16W 25V/16V 16V
1/16W
C2KG0
2.2U
IC2K04 6.3V
74LVC14APW-T
R2KG4 R2KG6
C2KG4
2.2U 1.2K 100
1/16W 1/16W
6.3V R2KG1
100K
1/16W
R2KG3
1.5K
1 2 3 4
5 6 7 1/16W
MAIN CCD Q2KG2
2SA1235A-T112-1E,F
R2KC0 R2KC1 R2KC3
47 47 47
1/16W 1/16W 1/16W
R2L49 R2L47 R2L45 R2L43 R2L41
120K
75 75 75 120K
1/16W
1/16W 1/16W 1/16W 1/16W
C2L52
0.047
16V/25V/50V
C2L51
0.047
16V/25V/50V
14 13 12 11 10 9 8 7 6 5 4 3 2 1
CE
14 13 12 11 10
9 8 7 6 5 4 3 2 1
TO FRONT PWB
SIGNAL_5
11 12 13
R2L12
2K
1/16W
R2L32
R2L10 1K
2K
1/16W
1/16W
R2L30
R2L09 R2L08
1K
100 2K 1/16W
1/16W 1/16W
R2L28
2K
9 8
1/16W
6 7
R2L06
2K
R2L05
100 1/16W
1/16W
R2L26
R2L04 1K
2K 1/16W
1/16W
R2L24
R2L02 1K
2K
1/16W C2L66
1/16W R2L66
K-4.7M
1K
B6.3V 1/16W
R2L22
2K C2L67
1/16W
K-4.7M R2L67
1K Q2L70
B6.3V 1/16W 2SC3052-T112-1G
R2L70
R2L72
1K
10K
R2L73 1/16W 1/16W
4.7K
L2KD0
10MH MUTE-MNT 1/16W
R2L71
1K
Q2L72
1/16W
Q2KD2 2SA1235A-T112-1E,F R2L69
2SA1235A-T112-1E,F 68K
1/16W
Q2L71
2SC3052-T112-1G
C2L74
R2KD6
2.2K R2L74
K-4.7M 1K
1/16W B6.3V
1/16W
1AVR-L
R2KD5
3.3K
1/16W
C2L75
K-4.7M R2L75
1K
B6.3V
1AVR-R 1/16W
3.3VSL
R2L78
R2L80
10K 1K
R2L81 1/16W
4.7K 1/16W
MUTE-AVR 1/16W
R2L79
Q2L80 1K
2SA1235A-T112-1E,F 1/16W R2L77
68K
1/16W
Q2L79
2SC3052-T112-1G
IC3J01
MM1699XJBE
C3J22
22
16V
22 BIAS 21
INPUT3 R13
Q2KF2
23 MUTE 20
L2KF0 L13
10MH
C2KF4 24 ADR
R12 19
0.047 DVI3
R3J25
16V/25V 100
1/16W
25 SDA L12 18
R2KF5 R3J26
33K 100
1/16W 1/16W
26 SCL 17
R11
R2KF6 DVI2
2.2K
1/16W
27 GND 16
L11
R2KF7
3.3K
28 ROUT4 15
1/16W R10
DVI1
MONITOR
29 LOUT4 14
L10
MAIN-R
30 ROUT3 13
TUNER2 R9
MAIN
MAIN-L 31 LOUT3 12
L9
R2KG7
4.7K
1/16W
32 ROUT2 TUNER1 R8 11
ENCODER
33 LOUT2 10
L8
34 ROUT1 R7 9
TUNER DM
GAIN
35 LOUT1 L7 8
L3J36
9VS 221 OHM
36 VCC 7
R6
C3J37 C3J36
COMP1-R 47 0.1
16V 25V/16V 37 VCC 6
COMP1-L L6
C3J38
R2J20
1U
120K 1/16W 10V/6.3V
38 L1 5
R5
C3J39 COMP3
R2J22 1U
120K 1/16W COMP1
10V/6.3V 4
39 R1
L5
C3J40
R2J09 1U
120K 1/16W 10V/6.3V
40 3
L2 COMP2 R4
C3J41
R2J10 1U
120K 1/16W INPUT2
10V/6.3V 41 2
R2 L4
C3J42
INT2-R 1U
10V/6.3V
INT2-L 42 L3 INPUT1 R3 1
R2J04
120K
1/16W
INT1-L
AUDIO SWITCH
INT1-R
SIGNAL_6 SIGNAL_2
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
C2J22
K-4.7M
B6.3V
MTR-L
R2J42
100K
1/16W
C2J23
K-4.7M
B6.3V
MTR-R
R2J43
100K
1/16W
R2L68
68K
1/16W
C2J24
K-4.7M
B6.3V
AVROUT-L
R2J44
100K
1/16W
C2J25
K-4.7M
B6.3V
AVROUT-R
R2J45
100K
1/16W
Q2L78
2SC3052-T112-1G
R2L76
68K
1/16W
C3J21
1U
10V/6.3V INT3-R
C3J20
1U
10V/6.3V INT3-L
C3J19
1U
10V/6.3V
C3J18
1U DVI2-L
10V/6.3V
DVI2-R
C3J17
1U R2J57
120K 1/16W
10V/6.3V
C3J16
1U R2J55
120K 1/16W
10V/6.3V
C3J15
R2J53
1U
10V/6.3V 120K 1/16W
C3J14
1U R2J51
120K 1/16W
10V/6.3V
C3J13
DVI1-L
1U
10V/6.3V
DVI1-R
C3J12
1U
10V/6.3V
C3J11
1U
10V/6.3V TU1-R
C3J10
1U
10V/6.3V TU1-L
C3J09
1U
10V/6.3V DM-R
C3J08
1U
10V/6.3V DM-L
C3J05
1U
10V/6.3V
C3J04
1U
10V/6.3V
C3J03
R2J29
1U
10V/6.3V 120K 1/16W
C3J02
1U R2J27
120K 1/16W
10V/6.3V
C3J01
1U COMP2-L
10V/6.3V
COMP2-R
R2J05
120K
1/16W
SIGNAL_1
WD-52531 V32
WD-62531 V32
PG 15....DM7 [DMPM8]
WD-62530 V32L
PG 16....DM8 [DM-HDMI]
PG 17....DM9 [DM-AUDIO]
PAGE 5