Mitsubishi Electric WD-57831 Service Manual page 67

1 2 3
PG 2.....POWER
(TO LAMP BALLAST)
A
PL
V-H
1 4
<- from to ->
+/- 340VDC
4 1
L9D03
HF2836-353Y1R0-T01
3 2
B
R9A43 R9A42
220K 220K
1/2W 1/2W
LAMP BALLAST POWER SUPPLY.
DOUBLER CIRCUIT.
200V 200V
820U 820U
C9A00 C9A02 C9A03
AC250V
2200 D9A07
S3V60-5004P.15
C9A01
2200
AC250V D9A08
S3V60-5004P.15
C
R9A02
1.8
10W
D
MAIN POWER
SUPPLY
BRIDGE DIODE
C9A09 C9A08
2200 2200
AC250V AC250V
D9A00
D3SB80
1 2 3 4
MAIN POWER SUPPLY
E
R9A17
180K
1/2W
C9A11 C9A10
2200 2200
R9A01
AC250V AC250V 1.8
10W
HOTGND
F
R9A19 R9A20
68K 68K
1/2W
1/2W
C9A05 C9A06
2200 2200
AC250V
AC250V
G
C9D07
0.22
AC125V/250V
4 1
L9D02
ELF22V025AL
3 2
H
R9A03
1M (UL)
1/2W
C9D03
0.22
AC125V/250V
I
4 1
L9D01
TF3020V-A602Y5R0-01
3 2
C9D01
0.22
AC125V/250V
C9D00
0.1
AC125V/250V
RV9D01
J
RV9D00
AG9D00
DSS-302M
F9D00
NC
1 2 3
L N
1 3
PS
ET9A01
K
(TO AC POWER CORD)
4 5 6
D9A18
1S2076A/1S2471OM
2 3
S2 C1
Q9A09
1 4
S1 C2 2SC3052-T112-1E,F
LKS1AF-12V (MI)
R9A41
K9A20 3.3K
1/16W
S2 2 3 C1
R9A40
1 4
S1 C2 22K
1/16W
LKS1AF-12V (MI) D9A19
K9A21 1S2076A/
1S2471OM
Q9A08
2SC3052-T112-1E,F
R9A38
22K
LIVE COLD 1/16W
1S2076A/1S2471OM
2 3 D9A04
S2 C1
1 4
C2
S1
K9A10
Q9A01
LKS1AF-12V
2SC3052-T112-1E,F
R9A07
22K
1/16W
IC9A10
C9A15
C9A16 CHASSIS/ENGINE 12V SUPPLY
1000 1000
AC250V
AC250V
HOT GND C9A31
470
(12VS AND
500V
D9A26 heatsink
T9A10
AUDIO VCC) SRW39LEC-UXXV117
connected to gnd.
C9A18 D9A26
1 18
820U FCH20A10
J1 200V 3
2
1
17
C9A33
1000U
C9A29 C9A27
16V
820U 1000U
200V 200V
3 16
HOTGND C9A70 C9A71 R9A83
68K
1500 1500 R9A82
1KV 1KV 47 1/2W
3W
15
4
HOTGND
IC9A10
STR-W6735 14
ET9A02
D9A05
F9A00
SARS01
125V 5A
6 13
12
F9A01
D9A31
R9A30 125V 5A
1 2 3 4 5 6 7 D9A23 J10 31DQ09-FC5
33 10
11EFS2N-TA2B5 1/4W R9A79
8
22
1/10W
C9A41
0.1 C9A46
C9A21 R9A25 50V/25V 470
D9A20 1K 9
10U 1S2076A 500V
1/2W 11
50V
C9A22 C9A23 C9A25 D9A24
1U 470 5600
11EFS2N-TA2B5
16V 25V/50V 50V
R9A37
R9A21 R9A22 R9A24
C9A24 1/16W
0.27 0.27 100 4.7K
2W 2W 0.1 1/10W D9A25
25V 11EFS2N-TA2B5
C9A91
5600
630V
D9A22
HOT GND MTZJ6.8C@LF
R9A23 C9A48
1K 1U
1/16W
50V
4 1
PC9A10
SFH615A-3
3 2
LIVE COLD
PC9A20
R9A12 SFH615A-3
10K
1/10W
1 4
2 3
AC-OFF DETECT. R9A97
68K
R9A09 1/16W
220K
1/2W
Q9A02
R9A11 2SC3052-T112-1E,F
220K C9A42 R9A98
1U 6.8K
1/2W
16V 1/16W
D9A02
1S2076A/1S2471OM
R9A10 C9A13 C9A14
18K D9A03 0.015
0.015
1/10W MTZJ6.8C@LF AC125V/250V AC125V/250V
AC-OFF BUFFER
R9A05 R9A06
1M (UL) 1M (UL)
HOTGND 1/2W
1/2W
7 8 9 10
LAMP BALLAST SWITCH
AND IN-RUSH RELAYS.
LAMP-RELAY
R9A39
3.3K
1/16W
C9A47
470U
10V
IC9A10 IN-RUSH RELAY.
R9A08
3.3K
1/16W
MAIN-RELAY
12VSA
J11
F9A03
L9A21
2.7MH 125V 7A
C9A56 12VSB
C9A54
L9A20 0.01
2.7MH 470U
16V 50V
J17
C9A34 C9A37
C9A36 1000U 12VSC
1000U
1000U 16V
16V 16V
F9A04
C9A35
1000U 125V 7A
R9A26
16V
47K
1/16W
C9A60
R9A27
1UF ENGINE POWER FET SWITCH
ENG-PWR-ON 100K V25
1/16W
R9A61
10K
3
1/16W
S
Q9A12
2SJ651
G 1
L9A34 R9A60 Q9A11
22MH 9X9.5
18VA 47K 2SC3052-T112-1E,F D
1/16W 2
C9A39 C9A61
C9A17
2200U R9A77 R9A78 0.1
470 470 1UF
35V V25 50V/25V
3W 3W L9A35
22MH 9X9.5
A-GND
12VC
AUDIO 18V SUPPLY
R9A31
220
1/16W
R9A32
R9A33
1K 390
1/16W
1/16W
R9A29
C9A43
1K R9A34
1/16W 50V
18K
0.1 1/16W
2 K
IC9A20
1
RT9H301C Ref
3 A
R9A35
4.7K
1/16W
12VSB
AC-OFF
Q9A10
2SC3052-T112-1E,F
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
PD
1 2 3 4 5 6 7 8 9 10 11
(TO RISER PWB: CHASSIS)
11 12 13
1 2 3 4 5
PE
12 13 14 15 16 17 18 19 20
(TO DLP - ENG: ALL EXCEPT )
(TO INTERFACE PWB: WD-73732)
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-57732 V34
WD-65732 V34
PG 15....DM6 [1394/DVI/F]
WD-73732 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]
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