LG RF/RT-14/21CA80M/MX, Service Manual

Page: 17 / 32

- 17 -
BLOCK DIAGRAM
DVD
(FLA
T
OPT
.)
R.G.B
AMP
. &
CPT
DRIVE
(TDA6107Q)
FBT
185
V
-14
V
AFC ABL
HEA
TER
B+
HDT
Collector
A1(R/L)-IN
SPK(R/L)-OUT
UOC
TDA9361(TXT)
H/P
A
V
-IN
AUDIO B+
B+
(1
10/1
15V)
(14/17
V)
SMPS TRANS
SPK.
Front-A
V(2)
(MNT/TV
-OUT)
14
V
H-out
IFout
Int
.
CVBS
SCL SDA
EXT
V
ideo-in
RGB OUT
IK
H-
Vcc
VIDEO
TUNER
V_DY
VER
TICAL
AMP
LA7840
V
a
Rear_A
V(1)
SCAR
T
/ PHONE)
(
IC03
EEPROM 24C08/16
A(R/L)-OUT
V
-OUT
EXT
.RGB
Vb
V
a
Vb
SPK.
9.5
V
5
V
From
IC131
A1/A2(R/L)-IN
Y/
Pb
/Pr
DVD(R/L)-IN / Game
Audio
MNT/TV
-A(R/L)-OUT
SIF
FM-SIF-IN
SW1 SW2 SDA SCL
MSP3410D
TDA9859
A
V STEREO
RF STEREO
MONO
SOUND
AMP
TDA2006
AC
INPUT (1
10~240V)
STEREO,
Sound Max
SOUND
AMP
.
TDA7266/97
STEREO,
Sound Max
SOUND
AMP
.
TDA7266/97
IC131
5V REG
Option Part
IIC Bus Line
TDA9381(Non-TXT)
Au dio (M on o)
(T VO UT )
28
33
21 22
38
Sound
T
rap Part
V
ideo-OUT(TV/MNT
OUT)
50
42
51~53
°
‹
°
‹
°
‹
°
‹
°
‹
STEREO ( ~B01K ~
A13P)
MONO ( ~B01L
)
10
12
9
5 3 9 8
10
2
6
14
V
1
ST
-BY
TRANS
(3W Opt)
°
‹
SPK(L)-OUT
°
‹
24 25
47
44
AUDIO
AM-IN
(L/L
Only)
30
39
31 40
28
30
14
39
8
V
From IC844
14
39
39
3.3
V
Reg
.
5
V
From
IC842
3.3
V
°
‹
°
‹
8
V
From
IC844
IC844
8V REG
IC842
5V REG
41
42
1
32
IC02
IC631
IC661
5
V
5
V
5.1
V
SFE 5.74M
32
SIF
SIF(CE Mono)
From
T
uner
°
‹
35
EXT
Audio-in
°
‹
IC651
LA7016
(Mono Opt)
7
2
TV
Audio(From UOC #28)
/ Game
Audio (From HIC01)
4
MNT
Audio Out(Mono)
TV
Audio Out (CL
Mono)
°
‹
°
‹
LA7016
(DVD /
GameOpt
)
IC591
)
2
DVD
Y
/ Game V
ideo
4
7
EX TV id eo
PJ201
EX TV id eo (T oU OC #4 2)
HIC01
Game Pack
(Game Opt)
3, 4, 5
1
2
From UOC
V
ideo(Game)
Audio(Game)
PJ202
15
18
44
Audio Out
T
O
IC631 #1,#5
Thai
Opt.
°
‹