3-37
3-38
5. AV BLOCK DIAGRAM
SP_R+/R-
AOUT_L/R
2CH DAC
MT1389DE/LP
MPEG
VIDEO
1.8V/3.3V
CVBS
AUDIO
PT2303
SPK
SPK
A+5V
SP_L+/L-
H/P JACK
SP_L-/R-
A_MUTE_SW
NJM4580M
OP-AMP
12V
< AV OUT >
SP_MUTE
ML_OUT,MR_OUT
SDA,SCL,
VOLUME
System & AV Part
VIDEO ADC
GT
GT6312
6312
H/P JACK
SP_L-/R-
5VA
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Only for training and service purposes
LGE Internal Use Only