Philips HP L1502 - No power (power indicator off)

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HP L1502
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Repair Flow Chart (Continued)
AC IN
Power supply
board
Main panel
Inverter panel
Fluorescent
Lamp
LCD panel
3.3V/5V DC
12V DC
12V DC
No power
(power indicator off)
Check
input DC
Check
control panel
No
Yes
Yes
Check control
wires
Check Main panel
Check Main panel