Proview UK513 - E. TROUBLE SHOOTING HINTS (Continued); No Display (White) Troubleshooting Flowchart; Main Board 5 V and 3.3 V Supply Checks

UK513 11 / 26
NO
YES
NO
YES
NO
YES
NO
YES
No display
(White)
Check the main
board 5V ?
+3.3V ?
H/V Input
Signal ?
Check
Signal input
Display ?
Nice Job !
Change
Signal Cable
Check
Power Board
Check
U1