Table of Contents
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4-1-2. Simple flow chart of malfunction
Does the TV turn
on?
No
Check the Power Cord.
Yes
Is any sound of
TV when RF signal
connected?
No
A5V appear at
the pin 4 of CN201?
Yes
B13V appear at
the pin 11, 12, 13 of
CN201?
Yes
Please, contact Tech
support.
All manuals and user guides at all-guidesbox.com
Yes
Can you see
Yes
anything on the
screen?
No
Check the LVDS
Yes
Cable connected.
If necessary replace the
T-CON Board.
Check 24p Cable.
No
If necessary, replace the
SMPS Board.
No
Change the Main Board.
Can you see
Yes
OSD menu running
on the screen?
No
Check LVDS cable
connected to Main Board.
If necessary, replace the
Main Board.
Replace the Main Board.
No
Change the Main Board.
4. Troubleshooting
Can you see Digital
Channel broadcast ?
No
4-3
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