34
5. Power Board
1) No power
Check bridge rectified circuit and F901 circut
Check CN902 pin4, 5 = 5V
Check start voltage for the pin3 of U901
Check R904, R932, R933, and Change U901
Check the auxiliary voltage is bigger than
10V and smaller than 20V
Check IC903, IC904, Q903, ZD921, ZD922, D906, D907
Check U901
NG
NG
OK
Check AC line volt 110V or 220V
Содержание packardbell viseo 193ws
Страница 1: ...1 PackardBell Viseo 193ws Service Guide h t t p w w w w j e l n e t ...
Страница 10: ...10 LCD Panel Specification General Specifications h t t p w w w w j e l n e t ...
Страница 11: ...11 Function Block Diagram Electrical Characteristics h t t p w w w w j e l n e t ...
Страница 12: ...12 Optical Specifications h t t p w w w w j e l n e t ...
Страница 23: ...23 h t t p w w w w j e l n e t ...
Страница 26: ...26 3 Remove the back cover and bezel Fig 3 4 Fig 3 Fig 4 h t t p w w w w j e l n e t ...
Страница 29: ...29 6 The panel Fig 9 h t t p w w w w j e l n e t ...
Страница 37: ...37 DVI Connector h t t p w w w w j e l n e t ...
Страница 41: ...41 4 Main Board 5 Key Board h t t p w w w w j e l n e t ...