LG 49UF6700 - All Source Audio

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
9. All source Audio
Check the TV Speaker Menu (Menu  Audio  Sound Out)
: TV Speaker
NG
Select “TV Speaker”
Check AMP IC (IC5600) Power L5600 : 24V L5601 : 3.3V
NG
Replace AMP power component L5600 : 24V L5601 : 3.3V
OK
NG
Check Power connector (24pin/28pin)
Replace Power board.
NG
Check AMP I2C R141, R144, R5604, R5605 C5607, C5608
NG
Replace AMP I2C component R141, R144, R5604, R5605 C5607, C5608
NG
Replace AMP IC (I C5600) or Main IC (IC101) or Main Board
OK
Check I2S signal IC5600 7, 8, 38 pin
NG
Replace Main IC (IC101) or Main Board
OK
Check amp output signal P5600 1, 2, 3, 4 pin
NG
Replace amp output component L5602, L5603, L5604, L5605 C5622, C5623, C5627, C5628
OK
NG
Replace amp out wafer P5600
NG
Replace AMP IC (I C5600) or Main Board
Check speaker connector
NG
Replace speaker connector
OK
Check speaker
NG
Replace speaker
OK