4-1-2. Simple flow chart of malfunction
Yes
No
No
Can you see
anything on the
screen?
Yes
Can you see
OSD menu running
on the screen?
Check LVDS cable
connected to Main Board.
If necessary, replace the
Main Board.
Yes
Can you see Digital
Channel broadcast ?
No
Replace the Main Board.
Yes
No
No
Yes
Yes
Check the LVDS
Cable connected.
If necessary replace the
T-CON Board.
No
Change the Main Board.
No
Check 24P Cable.
If necessary, replace the
SMPS Board.
Yes
No
Change the Main Board.
Does the TV turn
on?
Check the Power Cord.
Is any sound of
TV when RF signal
connected?
A5V appear at
the pin 4 of CN201?
B13V appear at
the pin 11, 12, 13 of
CN201?
Please, contact Tech
support.
4-3
4. Troubleshooting
Summary of Contents for UN55HU7200F
Page 15: ...2 6 2 Product specifications Item UN HU7200FXZA Accessory Slim Gender Cable N A...
Page 36: ...Waveforms 1 HDMI input RX_Data RX_Clk 2 LVDS output 4 9 4 Troubleshooting...
Page 39: ...Waveforms 1 CVBS OUT Grey Bar 3 LVDS output 4 12 4 Troubleshooting...
Page 42: ...Waveforms 2 CH_CLK CH_VALID 2 CH_CLK CH_VALID 3 LVDS output 4 15 4 Troubleshooting...
Page 45: ...Waveforms 1 CVBS OUT Grey Bar 3 LVDS output 4 18 4 Troubleshooting...
Page 69: ...Factory Menu Name Data Range B10_Gain Advanced 4 42 4 Troubleshooting...
