29
28
LC-20SH3H/M/X
LC-20SH4H/M/X
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
MAIN PWB
TV_V
RS_R0~7
R1,G1,B1
±
3.3V
1.8V
RS_G0~7
R2,G2,B2
±
RS_B0~7
R3,G3,B3
±
1.8V
AV_V
AV_SY
SDA1
SCL1
3.3V
OFL1/ 2
D Y/Pb/Pr
AV_SC
VL0,7,31,55,63
SUB PWB
POW
VH0,7,31,55,63
12V
8V
MP_DA
MP_CLK
3.3V
SY-IN
-13V
35V
32V VGH
SC-IN
-7V VGL
8V
-7 V
AUDIO-IN
14V VLS
VIDEO-IN
3.3V
MP_DA
SW PWB
POW
MP_CLK
AC_CTL
14V
KEY1/2
AUDIO OUT
SDA
L_ERR
SCL
AUDIO-IN
OFL1
OFL2
Y-IN
Pb-IN
18V
HV
Pr-IN
35V
9V
LED PWB
12V
5V
IREM/LED
SIG VCC +12V
-13V
IN1/2
INV VCC +18V
OUT1/2
AC_CTL
POW
SP_L/R
±
DVP
-7V,8V REG
IC1301
1.8V REG
IC1003
SW REG
SW REG
IC7701
AC/DC TRANS
T7701
SW REG
IC7301
INPUT1
IC1004
32V REG
Q1212
INVERTER TRANS
3.3V REG
IC2001
GRADATION
IC1203
BACK LIGHT
LAMP
T6700~6704
SW REG
IC2005
Q6707,Q6708
Q6710,Q6711
R/C RECEIVER
LED
DC/DC TRANS
T7001
AC-IN
IC3301
COMPONENT
SOUND POWER AMP
Q6714,Q6715
SPEAKER
AUDIO OUT
LCD PANEL
KEY
IC1201
HP JACK
IC7702,IC7703
INVERTER DRIVE
Q6700,Q6701
Q6703,Q6704
ANTENNA
INPUT2
SDA1
SCL1
TUNER
TU1300
SIF-OUT
V-OUT
DACM_L/R
SC2_IN_L/R
SC1_IN_L/R
SCL1_OUT_L/R
SOUND PROCESSOR
IC1300
SDA1
SCL1
LAMP ERROR
DETECTOR
Q6706,Q6713
Q6717
MICON
IC2003
RSDS
IC1701
LMP ERR
SW TRANSISTOR
Q7001
BLOCK DIAGRAM
Summary of Contents for LC-20SH3H
Page 31: ...33 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X SCHEMATIC DIAGRAM ËINVERTER Unit ...
Page 32: ...35 34 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 1 5 ...
Page 33: ...37 36 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 2 5 ...
Page 34: ...39 38 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 3 5 ...
Page 35: ...41 40 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 4 5 ...
Page 36: ...43 42 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 5 5 ...
Page 37: ...45 44 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 1 3 ...
Page 38: ...47 46 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 2 3 ...
Page 39: ...49 48 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 3 3 ...
Page 40: ...50 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËOPERATION Unit ...
Page 41: ...51 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËR C LED Unit LC 20SH3H M X ...
Page 42: ...52 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËR C LED Unit LC 20SH4H M X ...