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