LG 32LX2D Service Manual

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2. IDTV/HDMI-Audio
Check the
Condition of all
Connectors, wafers, I2C
In corresponding
Signal flow?
Check the
input HDMI_I2S at
pin 1,3,6 and DTV_I2S
at pin 2,5,11 of
IC603
Check the
input I2S signal across
R632-634 of
MSP
Check audio
output at MSP
across R655,656,657
And 605.
Check the
supply voltage 8V
across L601-602
Is
Volume level
Of the set 0?
Is Mute ON?
Check the
PWM output of NSP
across R325-328
Check the
Amplifier output level
At L300-303
Check
3.3V supply across
L305 and 2.5V at
L304
Check 18V
supply at pin 55and
pin 30 of
AMP
Is the
Set ON?
Correct them
Replace the MSP
Power Error
Increase the Volume
Turn OFF the Mute
Power Error
Power Error
Replace NSP
Push the POWER ON key
There may be some error in PC input.
Replace TAS5122(amp)
Check the SiI9021 or Digital board accordingly.
No Audio
FAIL PASS PASS
FAILFAILPASS
FAIL
Check
5V at pin 16 of
IC603
Replace IC907
PASS
FAIL
PASS
PASS
FAIL
PASS
FAIL
FAIL
PASS
PASS
FAIL
PASS PASS
PASS
FAIL
FAIL FAIL
PASS
FAIL

LG 32LX2D Specifications

General

Brand	LG
Model	32LX2D
Category	LCD TV
Language	English