Proview UK513 - E. TROUBLE SHOOTING HINTS; No Display (Black) Troubleshooting Flowchart; Power Supply and Board Checks

UK513 8 / 26
E . TROUBLE SHOOTING HINTS
NO NO
YES YES
YES YES
NO NO
High Voltage !
NO
YES YES
NO NO
YES
No Displa
y
( Black )
LED ON ?
Push the power
ON/OFF switch
LED Color
change ?
Check main
board
CON1/Pin1
Hi / Lo under
push power
sw?
Back light
ON?
To Step 2
Make sure the
connection of
power board is
fine
+12V ?
Check the
CN1/Pin1,2 of
p
ower board
Check
Power board
B
Display ?
Nice Job !
A
To Step 2
Power
Supply ?
Change
power
board