Inverter - BenQ G2420HD Product Service Manual

5.6.4.3 Inverter

Panel lamp
no work
Check V-INVERTER
OK?
Yes
Check IC801 VDDA
OK?
Yes
Check BL_ON,
BRT_ADJ
OK?
Yes
Check IC801
frequency, output
OK?
Yes
Check T801, T802,
Q801~Q804
Replace components
AC/DC converter
No
DC/DC converter
No
No Check wires, I/F BD
Replace IC801
No
components
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