Repair Flow Chart - Philips SH3L 170X4 Service Manual

Repair Flow Chart (Continued)
12V DC
Inverter panel
625~765Vrms
Fluorescent
Lamp
No power
(power indicator off)
Check
12V/3.3V DC
Yes
Check
control panel
Yes
Check Main panel
AC IN
Power supply
board
3.3V DC
Main panel
LCD panel
No
Check control
wires
Check Main panel
170X4
Go to cover page
12V DC
29