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24
LC-20B4M
8
7
10
9
6
5
4
3
2
1
A
B
C
D
E
F
G
H
BLOCK DIAGRAM
AGC,AFT,SAW_ SW,MODE 1 ,MODE 2
TV_ V
SIF
V1 _ V
AV1 _ L,R
SY
VIDEO
SC
SWITCH
V_IN
IC3401
AMP
IC3502
V2_V IN/OUT
SSTBY
AV2_L,R IN/OUT
V_IN/OUT
Y,PB,PR
S_IN/OUT
DL,DR
OFL1
OFL
L_ERR
LAMP
CHECK
Q3705
17V
Q3707
23V
DC IN
DC/DC
34V
SIG.VCC
Q3708
32V
DC13V
T3701
9V
9V
8V
5V
5V
PWM
IC3701
-11V
-11V
6LAMPS
4LAMPS
(UP)
(DOWN)
T6702, T6703
T6708, T6709
Q6706, Q6707
T6704, T6705
T6700, T6701
T6706, T6707
Q6703, Q6704
Q6712, Q6713
REMOTE
CONTROL
Q6700,Q6701
Q6709, Q6710
RECEIVER
HEADPHONE
JACK
J3303
INVERTER A UNIT
NVERTER B UNIT
FILTER
POWER AMP
IC3301
~
IC3303
IC3305
AUDIO
SOUND
IC3304
DECODER
(MSP)
OFL REVERSE
Q3601
COMPONENT
INPUT
AUDIO
SWITCH
SWITCH
IC3501,Q3501
Q3502-Q3505
INPUT
AV2
INPUT/OUTPUT
AUDIO IN/OUT
VIDEO IN/OUT
S-VIDEO
AV1
INPUT
Q3201 ,Q3202
TUNER
TU3201
SIF AMP
AV2_R,L
SC1_OUT_R,L
INV VCC
PA VCC
SP-L
SP-R
Q3709
IC3702
SC
SC3403
P35 02
P3302
P3301
P3603
P3604
P3601
P
P3701
P3501
RXD,TXD
P3602
F
F
F
F
Summary of Contents for Aquos LC-20B4M
Page 23: ...23 LC 20B4M 17 16 19 18 15 14 13 12 11 10 INVERTER A Unit INVERTER B Unit ...
Page 26: ...26 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Page 27: ...27 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 29: ...29 LC 20B4M 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë R C LED and OPERATION Unit ...
Page 30: ...30 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...
Page 31: ...31 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 32: ...32 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...
Page 33: ...33 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 34: ...34 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...
Page 35: ...35 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 36: ...36 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...
Page 37: ...37 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 38: ...38 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...
Page 39: ...39 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 40: ...40 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...
Page 41: ...41 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 42: ...42 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...
Page 43: ...43 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 44: ...44 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M ...
Page 45: ...45 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 46: ...46 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M X ...
Page 47: ...47 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 48: ...48 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 2 4 ...
Page 49: ...49 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 50: ...50 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 ...
Page 51: ...51 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 52: ...52 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 4 4 ...
Page 53: ...53 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...
Page 54: ...54 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...
Page 55: ...55 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...
Page 56: ...56 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A PRINTED WIRING BOARD ASSEMBLIES ...
Page 58: ...58 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Page 61: ...61 LC 20B4M 6 5 4 3 2 1 A B C D E F G H TUNER Unit Side A ...
Page 64: ...64 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER A Unit Side A ...
Page 66: ...66 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER B Unit Side A ...