Repair Flow Chart - Philips SH3L 170X4 Service Manual

28 170X4
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Repair Flow Chart

No Display
Check Mains cord
& LED of monitor
Check
Power board
12V/3.3V DC
Yes
Check
No
video signals input
interface
Yes
Check
Inverter panel
OK
625~765Vrms with load
No
No
Check inverter
panel
Front control key
does not work
Check
Front control panel
(Key & SW)
Check
Signal connectors
Check main panel
Video source
Check fluorescent
lamp
Check main panel
Yes
Yes