Read LG 32LG50D (CHASSIS:LJ82A) Service Manual online
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HDMI Audio Trouble Shooting
Check v ideo output
Foll ow pr oc edure All s ourc e audio
trouble shooti ng
Y
Foll ow pr oc edure HDMI video
trouble shooti ng
N
N
Maybe BCM3553 audio blo ck h as
problems. Rep lace it
Check EDID N VRAM (IC700, 603, 604)
Power & I2C Sig nal (#5, #6)
Replace it o r red ownlo ad
Y
N
USB T r ouble Shooting
Check USB 2. 0 Cable
Check L 205 voltag e level 5V
Y
N
Replace it o r IC202
Check P20 1
Replace it
Y
N
Check USB D evice
If de vice is 2.5 inch HDD, check po wer
adapto r
Y
Maybe BCM3553 has p roblems
Y
• Excep tio n
- USB p ower could be disabled by inrus hing curre nt
- In t his case, remo ve the dev ice and try to reboot the TV (AC po wer off/on)
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