Read LG 32LB9D / 32LB9DB / 32LB9DE (CHASSIS:LA73A) Service Manual online
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AT/NT
TUNER
LGDT
3303
X260
TP A
HDMI 1/2/3
TP C
SIF
SIF IN 1
NTP
3000
SIF IN 2
I2S IN 1
I2S IN 2
I2S OUT 1
SPDIF OUT
CS8416
I2S
I2S
I2S
I2S
S/PDIF
SPDIF
ANT/Cable
VSB TP
MSP4450K
I2S
I2S
I2SI 3
I2SO 1
MCLK
MCLK
SPDIF OUT
Optical
Coaxial
EXT1/2
RGB
COMP 1/2
SIF
L/R
L/R
L/R
L/R
MSP4450K
MNT
OUT
OUT
I2SO 1
SC 2
Check SI F lines
C6025, C6026
Check M SP4450K (IC508) inputs
C5016, #67pi n
1
2
3
4
5
6
Fol lo w the pr ocedur e of
"COMMON SOUND OUT"
7
8
Check T uner (TU600)
5V (3,5,9,17 pi n), SIF(18 pin)
Check A nten na Cable
Check X260 ( IC101) Intputs
R175(SCLK), R176(LRCLK), R177(DATA)
Check M SP4450K (IC508) Power
Check M SP4450K (IC508) outpu ts
R5039(SCLK), R5040(LRCLK), R5043(DATA)
(3) TV RF No Sound
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