
Service Manual G2460PQU
50
Check flow chart
For the no power
Check CN901
100-240V
Check rectified voltage-C905
Check AC supply
Check FuseF901/ BD901
L902/BD901/C901/C902
Check voltage of IC901-8pin
check
component R905/R920
Check T901(1-3)out-Vcc
Check D901/R910/C911
Check IC901-drive out
Check MOS-Q901pin(G/D)
Check/replace IC901
Check D910/R912/R915/Q901
Around component
Check T901sub rectified out
5V/12V,
Check rectified diode
D920/D921
&fiter capacitor
Check-- open load
Chech opto-couple
IC902&IC903
OK
NG
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
Power Board---
No Power 5V/12V
Содержание G2460PQU
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Страница 45: ...Service Manual G2460PQU 45 7 5 USB Board 715G2727T...
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