LG 42LB1DRA Service Manual - Page 41
Audio Troubleshooting & Block Diagram
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UPC - 719192169753
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Page 41 highlights
- 41 - • Audio Path RGB Audi o Compone nt 1 Compone nt 2 AV Front AV NT Tun er AT/NT Tuner HDD HDMI AUDIO TROUBLESHOOTING & BLOCK DIAGRAM AV Switch (CXA2069) L/R L/R L/R L/R Main Audi o Process or (MSP4450K) SIF L/R SIF Buffer (MC33078) Sub Audi o Process or (MSP4458G) I2S I2S ADC (CS5331A) I2S Main (LGDT3703) MUX CPLD (EPM570F256) TP I2S TP PWM Modulator (NSP2100A) AMP (TAS5122) SiI 3512 PVR SOC (LGDT1304P) HD-2 SPDIF System CPLD (EPM570T144) Front Speaker Monitor Out SPDIF Out (Optical ) MST3361 SPDIF CS8415A
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- 41 -
Main
Audi o Process or
(MSP4450K)
Sub
Audi o Process or
(MSP4458G)
PWM Modulator
(NSP2100A)
AMP
(TAS5122)
Front Speaker
AV
AV Switch
(CXA2069)
Front
AV
Component 2
Component 1
RGB
Audi o
Monitor Out
Buffer
(MC33078)
ADC
(CS5331A)
MUX CPLD
(EPM570F256)
NT Tuner
AT/NT Tuner
HD-2
PVR SOC
(LGDT1304P)
SiI 3512
Main
(LGDT3703)
HDD
HDMI
MST3361
System CPLD
(EPM570T144)
CS8415A
SPDIF
Out
(Optical )
SPDIF
L/R
L/R
L/R
L/R
SIF
SIF
TP
I2S
I2S
L/R
I2S
TP
I2S
SPDIF
AUDIO TROUBLESHOOTING & BLOCK DIAGRAM
•
Audio Path