LG 21FU3RL - Block Diagram

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BLOCK DIAGRAM
LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LA76213
LA76213
DVD
(FLAT OPT.)
DVD
(FLAT OPT.)
CPT DRIVECPT DRIVE
FBT
185V AFC ABL HEATER B+
HDT
Collector
AV1(V/ R/ L)-IN
USOC
H/ P AV-IN
AUDIO B+
B+
(110/ 115V)
(17V/ 11V)
SMPS TRANS
SPK.
Front-AV(2)
SCLSDA
EXT
Vid eo-in
RGB
OUT
TUNER
V_DY
VERTI CAL AMP
STV93 2 6
Rear_AV(1)
( PHONE)
Rear_AV(1)
( PHONE)
IC02
EEPROM
24C04/16
V-OUT
H-OUT
SPK.
10.5V
Y(G) /Cr(R) / Cb (B)
SDA SCL
LC75024E A2/ NICAM
MONO
SOUND AMP
LA42101
MONO
SOUND AMP
LA42101
AC
INPUT
(100~ 240V)
STEREO,
Sound Max
SOUND AMP.
LA42102(N)
STEREO,
Sound Max
SOUND AMP.
LA42102(N)
R610
5V
Option Part IIC Bus Line
(Mono)
ML-OUT
31
22 17
5 46~48
STEREO ( ~ A43L)
MONO ( ~ A43K )
12
9
3 9 8
10
2
6
24V
1
ST-BY
TRANS
(1W Opt)
57 56 64
9V
From
IC804
IC804
9V REG
IC04
ST-5V REG
9v
From
IC804
IC661
5V
5.1V
IC751LA72730
(STEREO Opt)
IC751LA72730
(STEREO Opt)
JA01
HIC291
Game Pack(Game Opt)
HIC291
Game Pack(Game Opt)
4,5,6 8 7
From USOC
Video(Game) Audio(Game)
JA02
54
SIF
out
IF
3,611 1 4 7
AV2(V/ R/ L)-IN
2 5 9
LA72702
BTSC
IC701
LIN-TV
RIN-TV
21
1920
R/ L Out
L-OUT
R-OUT
SAW
SAW
5
9 10
IF IN
Z102
10 11 13
14 15
12
SIF IN
3261
V-OUT (Mono )
18
17 18
2 7
50
Ext R/ L
IN
49
RGB
9V
SCLSDA
27 26
33V
ST-5V
9v
From
IC804
9v
From
IC804
ST-5v
From
IC04
9v
From
IC804
9v
From
IC804
ST-5v
From
IC04
19
9 24
19
9 24
H-Vc c
5V
VDD 3.3V
Vc c
5V
H-Vc c
5V
VDD 3.3V
Vc c
5V
9v
From
IC804
14
SOUND
5V
SOUND
5V
R620
7.5V
R620
7.5V
IC803
5V
IC803
5V
Q402 MD1803
IC401
TDA8145
IC301
V-in
FBP in
EW OUT
L401
Vc c
16
EW-OUT
EW IN
5v
From
IC803
62
IF
5V
SDA
SCL
23 24
SCLSDA
51
SPK L/ R OUT
SCART
SCART
R, G, B
8 33
FB
AV ID
21
TV IN(ST)
M_R/L OUT(ST)
Monitor V OUT(ST)