Read LG 42LH50YD (CHASSIS:LJ91C) Service Manual online
N
Y
Maybe IC1402 has problems
Replace It.
Check USB HDD more 40Gbyte
N
Replace HDD
Y
15. Digital TV Recording Fail Trouble Shooting (USING USB HDD)
Check video/audio output
Follow procedure digital TV
video/audio trouble shooting
N
Maybe BCM3556(IC100) USB
block has problems. Replace It.