Mitsubishi Electric LT-37131 Service Manual page 46

1 2 3
PG 6.....FRONT, E2P, AT-SW, PREAMP
A
TO PWB-SIGNAL
CE
12 11 10 9 8 7 6 5 4
B
4 2 1 3 5 6 3 2 1 6 5 4
C
PJ2J12
AV3-8.4-33A
PJ2J11
4P
D
E
F
G
H
I
J
K
4 5 6
3 2 1
BOSS
R7K21
270
1/16W
C7K21 R7K29
1.2K
10
16V 1/16W
R7K23
GND
D7K21 12K C7K20
1/16W
SFH2505FA (MI) 220
50V
R7K27
10K
1/16W
IC7K21
OPA2350UA/2K5
C7K30
0.01
25V/50V OUTA
1
9 8 7
-INA
2
R7K26
220K
1/16W +INA
3
D7K22
MC2838-T112-1
4 V-
R7K28
R7K22 150
47K
1/16W
1/16W
R7K25 C7K23
12K 47
1/16W 6.3V
R7K24
12K C7K25
1/16W
0.1
16V
GND
PA-H
D7L01
SEL2E10C
POWER/TIMER
7 8 9 10
TO PWB-SIGNAL
LE
PA
8 7 6 5 4 3 2 1
BOSS
VLP33+ ONLY
GND
R7K36
10
1/16W
S7L01
R7K37 KSHS612BT
C7K28 10
R7K34
100 2.7K 1/16W
6.3V
1/16W
R7K35
100
MAN-RESET
1/16W
GND
R7K31 R7K30
220K 10K
1/16W 1/16W
V+ 8
R7K32
4.7K
OUTB
1/16W
7
R7L05 R7L06 R7L07
-INB
1.5K 2.2K 3.3K
Q7K21 1/16W 1/16W 1/16W
6
2SC3052-T112-1E,F
5
+INB
C7K27 S7L05 S7L06
1U
KSHS612BT KSHS612BT
C7K26 16V
0.1
DEVICE CH-DOWN/ CH-UP/
16V
ADJ-LEFT ADJ-RIGHT
GND
TO PWB-SIGNAL
AN2
5 4 3 2 1
BOSS
AT9V
D8X01
EC21QS04-TE12L
R8X01
120 R8X05
1/2W 0
1/6W OR 1/4W
AT9V
GND
IC8X01
STAND-DET TA8409FG
GND R8X20
R7L03 R7L04 1K
L
330 330 1/16W
1/16W D7L03 1/16W
SML1216W-C,D R8X21
1K
1/16W
(R) (G) R
1 3
C7L01
AT-DIR-IN
2
0.1
16V
KSC0
STATUS POWER
S7L04
KSHS612BT
GND
GND
PWB-LED
11 12 13
PWB-FRONT
S7L02 S7L03
KSHS612BT KSHS612BT
MENU FORMAT/
IC80E1
ENTER
24LC256T-I/SNG
R7L32 R80E1
56K 10K
1/16W 1/16W
1 E0
2 E1
R7L08 R7L09 R7L10
5.6K 12K 33K 3 E2
1/16W 1/16W 1/16W
4 VSS
S7L07 S7L08 S7L09 S7L10
GND
KSHS612BT KSHS612BT KSHS612BT KSHS612BT
VOL-DOWN/ VOL-UP/ GUIDE
ADJ-DOWN ADJ-UP CANCEL
IC80E2
24LC512T-I/SMG
1 A0
2 A1
3 A2
4 VSS
GND
IC80E3
24LC64T-I/SNG
1 A0
A1
2
3 A2
4 VSS
PWB-AT-SW
GND
C8X03 37" ONLY
1U
16V
R8X06
0
1/16W
10 9 8 7 6
C8X05
0.01
GND 25V/50V
PWB-PREAMP
1 2 3 4 5
C8X01 C8X02
10 0.1
16V 16V
C8X06
GND
0.01
25V/50V
R8X22
1K
1/16W
GND
1 2 3 4 5 6
AM
TO AT MOTOR
14 15 16
PWB-E2P
SDAE
4
GND
3
GND
3.3V
VCC 8 2
C80E1
0.1
16V SCLE
WC 7 1
GND
SCL 6
SDA 5
VCC 8
C80E2
0.1
16V
7
WP
GND
SCL 6
SDA 5
VCC 8
C80E3
0.1
16V
WP
7
GND
SCL 6
SDA 5
Z7K01
GP1UM263RK
REMOCON
G PRE-AMP
G
UNIT
1 2 3
R7K01
GND
1K 3
1/16W
RMC
R7K02 2
3.3K
1/16W L7K01
221 OHM
5VSB
1
C7K01
47
6.3V
GND
LT-37131 VLP33
CONTENTS
LT-46131 VLP33
PG 1.....BLOCK
LT-37132 VLP33+
PG 2.....POWER
LT-46231 VLP33+
PG 3.....SIGNAL1 [TERMINAL]
PG 4.....SIGNAL2 [VIDEO SW / AUDIO AMP]
PG 5.....SIGNAL3 [3DYC / NTSC DECODER]
PG 6.....FRONT, E2P, AT-SW, PREAMP
PAGE 6