Read LG 42SL90-UA (CHASSIS:LA92S) Service Manual online
LA92S AUDIO PATH
D-sub RGB
HDMI 1
Digital Audio (Optic)
Digital AMP
NTP3100L
RS-232C (Ctrl./SVC)
I2S
RGB/H/V
Half-NIM T
uner
MAX3232
Saturn6
Saturn6
(ATSC US)
(ATSC US)
LGE3369A
LGE3369A
MPEG2
Linux
Scaler
IF +/-
SIF
TU_CVBS
Reset / IF_AGC …
SDA/SCL_5V
HDMI4
Audio L/R
Audio L/R (for RGB)
HDMI 2
SPDIF
RX/TX
RX/TX
JACK PACK
JACK PACK
at REAR
at REAR
JACK PACK
JACK PACK
at SIDE
at SIDE
TR Buffer
VSB/QAM
Demod.
LGDT3305
TS In[0…7]
TS_clk, SOP, Val
EEPROM
AV
Component 1
Y Pb Pr, L/R
CVBS, Y/C, L/R
Component 2
Y Pb Pr, L/R
USB2.0
SCL, SDA_3.3V
DP/D
M
M
O.C. Protector
+5V
+5V
HDMI 3
HDMI S/W
TDA9996
X-tal
25MHz
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