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6. All Source Audio
Check the TV Speaker Menu
(Menu -> Audio -> Sound Out -> TV Speaker)
On
Check speaker resistance
and connector damage.
ok
Check AMP IC(IC5600) Power
24V, 3.3V
ok
Check Mstar AUDIO_MASTER_CLK
IC5600 15 Pin
ok
Check AMP I2C Line
IC5600 23,24 Pin
ok
Check Mstar I2S Output
IC5600 20,21,22 Pin
ok
Check Output Signal P5600
1, 2, 3, 4 pin.
ok
Check Connector & P5600
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Of f
Toggle the Menu
No
Replace speaker.
No
Replace Amp IC(IC5600)
No
Replace Mstar(IC101) or Main Board.
No
Check signal line. Or replace Mstar(IC101)
No
Check signal line. Or replace Mstar(IC101)
No
Replace Audio AMP IC(IC5600)
No
Replace connector
if f ound to be damaged.
- 20 -
LGE Internal Use Only
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