Read LG 32LB9D (CHASSIS:LB73B) Service Manual online
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EXT1/2
AT/NT
TUNER
X260
TP A
TP C
RGB
COMP 1/2
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
L/R
L/R
L/R
L/R
ANT/Cable
TP
MSP4450K
MNT
OUT
OUT
I2S
I2S
I2SI 3
I2SO 1
SC 2
MCLK
MCLK
SPDIF OUT
Optical
Coaxial
HDMI 1/2/3
Check MSP4450K (IC508) outputs
R5039(SCLK), R5040(LRCLK), R5043(DATA)
1
2
3
5
6
7
Follow the procedure of
ì COMMON SOUND OUTî
Check MSP4450K (IC508) Inputs
R5041(AV1_R), 5042(AV1_L),
R5045(AV2_R), R5046(AV2_L),
R5048(CMP1_R),R5049(CMP1_L),
R5051(CMP2_R),5052(CMP2_L),
R5055(RGB_R), R5058(RGB_L)
R5041(AV1_R), 5042(AV1_L),
R5045(AV2_R), R5046(AV2_L),
R5048(CMP1_R),R5049(CMP1_L),
R5051(CMP2_R),5052(CMP2_L),
R5055(RGB_R), R5058(RGB_L)
Check AV/COMPONENT/RGB Cable
Check X260 (IC101) Inputs
R175(SCLK), R176(LRCLK), R177(DATA)
Check MSP4450K (IC508) X-tal Input
X-tal Input (71,72pin)
Check MSP4450K (IC508) Power
4
(5) AV / Component / RGB / No Sound
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