3-25
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. AV BLOCK DIAGRAM
TV
_CTRL
TV_5V
SP
_R+/R-
AOUT
_L/
R
2C
H DAC
MT1389P
MPEG
VIDE
O
1.
8V/3
.3V
CVBS
AUDIO
PT2303
SPK
SPK
A+
5V
SP
_L+/L-
H/P JACK
SP
_L-/R-
A_MUT
E
_S
W
NJ
M4580M
OP-AMP
A±
±
5V
< AV
OUT >
SP
_MUTE
TUNER
TV
_5V
TV
_S
DA,TV
_S
CL,
VOLUME
MP1411
DC-DC
12V
VIDE
O ADC
GTG
T
631963
19
H/P J
ACK
SP
_L-/R-
5VA
TV
_V
IDE
O
74H
C4053
TV
_5
V
TV
_AUDI
O