Mitsubishi Electric WD-57831 Service Manual page 90

1 2 3
PG 25....MISC [FRONT/CONTROL/PREAMP/E2P/SWLAMP]
A
TO TERMINAL PWB
LE3
8 7 6 5 4 3 2 1
B
C7LC1
0.1
16V
D7LC1
LN31GPH
POWER/TIMER
C
R7LC1 R7LC2 R7LC3 R7LC4
330 330 330 330
1/16W D7LC2 1/16W 1/16W D7LC3 1/16W
SML1216W-C,D SML1216W-C,D
(R) (G) (R) (G)
1 3 1 3
2 2
LAMP STATUS
D
E
F
PWB-FRONT
G
PJ2J11
GND
H
GND
12 11 10 9 8 7 6 5 4 3 2 1
CE1
TO PWB-TERMINAL
I
J
K
4 5 6
WD57831 & WD65831
TO TERMINAL PWB
LE2
BOSS 4 3 2 1
BOSS
PWB-CONTROL3
KSHS611BT
S7LA1
MAN-RESET
R7LA2
R7LA1
1.5K 2.2K
1/16W 1/16W
KSHS611BT
KSHS611BT KSHS611BT
S7LC1
S7LA4 S7LA5
POWER
DEVICE
CH-DOWN/
ADJ-LEFT
GND
GND
WD73831
TO TERMINAL PWB
LE4
11 10 9 8 7 6
D7L01
LN31GPH
POWER/TIMER
R7L1 R7L02 R7L03
330 330 330
1/16W D7L02 1/16W 1/16W D7L03
SML1216W-C,D SML1216W-C,D
(R) (G) (R) (G)
1 3 1 3
2 2
LAMP STATUS
7 8 9 10
PWB-CONTROL2
KSHS611BT KSHS611BT
S7LA2 S7LA3
MENU FORMAT/
ENTER
R7LA7
56K
1/16W
R7LA4 R7LA5
R7LA3 R7LA6
3.3K 5.6K 12K 33K
1/16W 1/16W 1/16W 1/16W
KSHS611BT KSHS611BT KSHS611BT KSHS611BT
S7LA6 S7LA7 S7LA8 S7LA9
CH-UP/ VOL-DOWN/ VOL-UP/ GUIDE
ADJ-RIGHT ADJ-DOWN ADJ-UP CANCEL
5 4 3 2 1
BOSS
PWB-CONTROL1
KSHS611BT
S7L01
C7L01
0.1 MAN-RESET
16V KSHS611BT KSHS611BT
S7L02 S7L03
MENU FORMAT/
ENTER
R7L32
56K
1/16W
R7L05 R7L06 R7L07 R7L08 R7L09 R7L10
1.5K 2.2K 3.3K 5.6K 12K 33K
1/16W 1/16W
1/16W 1/16W 1/16W 1/16W
KSHS611BT
R7L04 KSHS611BT KSHS611BT KSHS611BT
KSHS611BT KSHS611BT KSHS611BT
330
1/16W
S7L04 S7L05 S7L06 S7L07 S7L08 S7L09 S7L10
POWER DEVICE
CH-DOWN/ CH-UP/ VOL-DOWN/ VOL-UP/ GUIDE
ADJ-LEFT ADJ-RIGHT ADJ-DOWN ADJ-UP CANCEL
GND
11 12 13 14
R7K21
270
1/16W
C7K21 R7K29
1.2K
10U
50V 1/16W
R7K23
D7K21 GND 12K C7K20
1/16W
SFH235FA 220
50V
R7K27
10K
1/16W
IC7K21
OPA2350UA/2K5
C7K30
0.01
25V/50V OUTA
1 V+ 8
-INA OUTB
2 7
R7K26
220K -INB
1/16W +INA
3 6
D7K22
MC2838-T112-1
4 V- 5
+INB
R7K28
R7K22 150
47K 1/16W
1/16W
R7K25 C7K23 C7K26
0.1
12K 47U
1/16W 16V 16V
R7K24
12K C7K25
1/16W 0.1
16V
GND
PWB-PREAMP
PWB-E2P
IC80E1
AT24C256BN-10SU-1.8
R80E1
10K
1/16W
1 E0 VCC
2 E1 WC
3 E2 SCL
4 VSS SDA
GND
IC80E2
PWB-SWLAMP
24LC512T-I/SM
1 A0 VCC
S7F01
SSCF210100
2 A1
WP
3 A2 SCL
5 4 3 2 1
4 VSS SDA
GND
IC80E3
4 3
2 1
AT24C64AN-10SU-2.7
CD
1 A0 VCC
TO PWB-INTERFACE
A1 WP
2
3 A2 SCL
4 VSS SDA
GND
CONTENTS
PG 1.....BLOCK PG 15....DM6 [1394/DVI/F]
PG 2.....POWER
PG 16....DM7 [DMPOD]
PG 3.....TERMINAL PG 17....DM8 [DMADC-MAIN]
PG 4.....SIGNAL1 [TV MICRO] PG 18....DM9 [DMADC-PCSUB]
PG 5.....SIGNAL2 [AUDIO / PIC MICRO] PG 19....DM10 [SPA]
PG 6.....SIGNAL3 [VIDEO SWITCH / DCDC CONVERTER]
PG 20....DM11 [SPA2]
PG 7.....SIGNAL4 [3DYC / NTSC DECODER]
PG 21....DM12 [DMDCDC]
PG 8.....SIGNAL5 [TUNER1 / DEMOD1]
PG 22....DM13 [DVI]
PG 9.....SIGNAL6 [TVGOS]
PG 23....DM14 [DMAUDIO]
PG 10....DM1 [DMHDMI]
PG 24....DM15 [FMTMICRO]
PG 11....DM2 [DMCORE] PG 25....MISC [FRONT/CONTROL/PREAMP/E2P/SWLAMP]
PG 12....DM3 [DMMEMA/DC] PG 26....INTERFACE / ENG-PWR
PG 13....DM4 [DMMEMB/USB]
PG 14....DM5 [DMROM/AV]
15 16
R7K36
10
1/16W
R7K37
10
1/16W
C7K28
R7K34
100U 2.7K
16V 1/16W
R7K35
100
1/16W
GND
R7K31 R7K30
220K 10K
1/16W 1/16W
R7K32
4.7K
1/16W
Q7K21
2SC3052-T112-1E,F
C7K27
1U
IR-IN
16V
4
5VSL
3
RMC
2
GND-1
1
GND
Z7K01
GP1UM283QK
REMOCON
PRE-AMP
UNIT
1 2 3
R7K01
1K
1/16W
R7K02
3.3K
L7K01
1/16W
221 OHM
C7K01
47U
16V
SDAE
4
GND
3
GND
3.3V
8 2
C80E1
Z-.1
25V/16V
SCLE
7 1
GND
6
5
8
C80E2
Z-0.1
25V/16V
7
GND
6
5
8
C80E3
Z-.1
25V/16V
7
GND
6
5
WD-57831 V34
WD-65831 V34
WD-73831 V34
PAGE 25