Read LG 50PH4700-SD / 50PH470H-SA (CHASSIS:PB32A) Service Manual online
15. Recording Fail Trouble Shooting
N
Y
Check HDD
N
Replace HDD
Check video/audio FE output
Follow procedure
video/audio trouble shooting
Check USB block
N
Use USB Trouble shooting guide
p
Y
Y
Maybe Mainchip USB block has
problems. Replace It.
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