DOWNLOAD LG 50PG20-UA (CHASSIS:PU84A) Service Manual ↓ Size: 10.03 MB | Pages: 48 in PDF or view online for FREE

Model
50PG20-UA (CHASSIS:PU84A)
Pages
48
Size
10.03 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pg20-ua-chassis-pu84a.pdf
Date
PREV: LG 50PG20R-TA (CHASSIS:PP81A) Service Manual

LG 50PG20-UA (CHASSIS:PU84A) Service Manual ▷ View online

- 37 -
TROUBLE SHOOTING GUIDE
- 38 -
TROUBLE SHOOTING GUIDE
HDMI Audio Trouble Shooting
Check video output
Follow procedure All source audio trouble
shooting
Y
Follow procedure HDMI video trouble
shooting
N
N
Maybe Mstar audio block has problems.
Replace it
Check EDID NVRAM (IC801, 802, 804)
Power & I2C Signal (#5, #6)
Replace it or re-download
Y
N
- 39 -
TROUBLE SHOOTING GUIDE
- 40 -
TROUBLE SHOOTING GUIDE
USB Trouble Shooting
Check USB 2.0 Cable
Check L801 voltage level 5V
Y
N
Replace it
Check JK804
Replace it
Y
N
Check USB Device
If device is 2.5 inch HDD,
Do not connect, only upgrade
Y
Maybe Mstar has problems
Y
¥ Exception  
   - USB power could be disabled by inrushing current
   - In this case, remove the device and try to reboot the TV (AC power off/on)
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