20
8
7
10
9
6
5
4
3
2
1
A
B
C
D
E
F
G
H
LC-20B2EA
BLOCK DIAGRAM
ANTENNA
SCART
(AV1)
AUDIO IN
AUDIO OUT
VIDEO OUT
SCL/TXD
SDA/RXD
SC3903
VIDEO IN
R/G/B_ST
INPUT
INPUT
INPUT
SC5001
S
VIDEO
(AV2)
AUDIO
(AV2)
DC13V
J5002
J5001
J3702
INPUT
PAVCC
DC/DC
CONVERTER
T3701
Q3700
+13V
V1.L/R
I
2
C/UART
V1.SY
TV_V
SC_L/R
TV/AV
SELECTOR
IC402
TUNER
SIF1/2
AI_L/R
I
2
C
I
2
C
I
2
C
I
2
C
E
2
PROM
AUDIO AMP
IC1902
/2+
SC2_IN_L/R
SC1_OUT_L/R
SC1_IN_L/R
MSP
IC1901
DACA_L/R
DACM_L/R
A
I
2
C
SC2_OUT_L/
V2_V
R/G/B_IN
VPC
IC801
V1. SC
V1IN
V2VO
SYNC SEP
IC401
CSYNC
UART
MICON
IC2001
IC2030
Y/
SPI
S
CON
R
L_
REG
IC1208
REG
IC751
+3.3V
+5V
+31V
–20V
Q3706
REG
REG
REG
REG
IC752
IC1610
Q3704
IC3702
Q3707
+22V
+31V
+9V
+8V
+5V
+5V
+3.3V
+2.5V
+3.3V
–8V
IC1606
IC1613
SIGVCC
INVVCC
REG
IC703
PWM
IC3701
+5V
Summary of Contents for LC-20B2EA
Page 3: ...3 LC 20B2EA SPECIFICATIONS ...
Page 19: ...19 17 16 19 18 15 14 13 12 11 10 LC 20B2EA INVERTER A Unit INVERTER B Unit ...
Page 22: ...22 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA OVERALL SCHEMATIC DIAGRAM ...
Page 23: ...23 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 26: ...26 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 1 6 ...
Page 27: ...28 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 2 6 ...
Page 28: ...27 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 29: ...29 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 30: ...30 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 3 6 ...
Page 31: ...31 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 32: ...32 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 4 6 ...
Page 33: ...33 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 34: ...34 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 5 6 ...
Page 35: ...35 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 36: ...36 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë MAIN Unit 6 6 å ...
Page 37: ...37 17 16 19 18 15 14 13 12 11 10 LC 20B2EA å ...
Page 38: ...38 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë TUNER Unit 1 4 ...
Page 39: ...39 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 40: ...40 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë TUNER Unit 2 4 ...
Page 41: ...41 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 42: ...42 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë TUNER Unit 3 4 ...
Page 43: ...43 17 16 19 18 15 14 13 12 11 10 LC 20B2EA å ...
Page 44: ...44 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë TUNER Unit 4 4 ...
Page 45: ...45 17 16 19 18 15 14 13 12 11 10 LC 20B2EA ...
Page 46: ...46 6 5 4 3 2 1 A B C D E F G H LC 20B2EA Ë INVERTER A Unit å å å ...
Page 47: ...47 6 5 4 3 2 1 A B C D E F G H LC 20B2EA INVERTER B Unit å å ...
Page 48: ...48 6 5 4 3 2 1 A B C D E F G H LC 20B2EA PRINTED WIRING BOARD ASSEMBLIES MAIN Unit Side A ...
Page 49: ...49 6 5 4 3 2 1 A B C D E F G H LC 20B2EA MAIN Unit Side B ...
Page 50: ...50 6 5 4 3 2 1 A B C D E F G H LC 20B2EA TUNER Unit ...