LG 29FU1RL/RG - Block Diagram

BLOCK DIAGRAM
- 16 -
SOUND AMP
LA42102N
(
(
(
(
FBT
200V
28V ABL
HEATER
B+
Collector
14V
B+
(115V)
SMPS TRANS EER4942
40V
AC
INPUT
(100~240V)
15
11
2
10
9 8 5
4
-14V
1
IC824
ST-6V REG
16
Rear_AV(1)
( PHONE/ SCART)
Rear_AV(1)
( PHONE/ SCART)
IC12
EEPROM
24C16
SIF
SIF
3
14V
Rear_AV(2)
( PHONE/SCART/DVD)
Rear_AV(2)
( PHONE/SCART/DVD)
MenuOKVOL-VOL+PR-PR+
SDA SCL
5V
33V
12 13
VER. AMP
LA78141
IF
VIF
VIF
Saw Filter
3
H OUT TR
2SC6090
Tuner
STR-
W6556
STR-
W6556
RGB Amp
TDA6107AJF
RGB Amp
TDA6107AJF
Sound Vcc 6.5V
IC823
3.3V REG
IC826
5V REG
V Heater
HV
Vscreen
202KJ102KJ
RK,GK,BK
24.576Mhz
21V
5V
R,G,Bout IK
SIF IN
VIF IN
42
41
46
45
20
21
H-FB
HO
UT
49
EW
34
RF/MNT Vout
31
32
33
AV1 V,L,R
28
29
30
AV2 V,L,R
23
24
RF/MNT L,Rout
12
13
14
15
R,G,B FB
Or Y,PB,PR
SPK L,Rout
48
47
VB
VA
6
7
8
9
R,G,B,IK
60
X-TA
L
IN
59
X-TA
L
O
U
T
63
ABN
65
DEG
66
EYE
1
IR
76
77
SDA
SCL
2
10
ABL
5
75
3.3V
56
DECDIG(2.5V)
55
35
18
5V
36
8V
1
68
1.8V
67
KEY
25
26
64
PWR
71
S-MUTE
72
SAW S/W
6
57
2
4
SPK R SPK L
S-MUTE
1.8V(RF ST)
2.5V
8V(AV ST Opt)
5V
ST-3.3V
EW IC
KIA4558
HV &
H Comp
Circuit
HV
TO DY
ST- 3.3V
ST- 5V
220V
RF ST OPT
H DRIVE
TRANS
38V
31V
RF ST OPT
Comp In
Scart in
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Only for training and service purposes.
LGE Internal Use Only
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