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Service Manual ASUS VK266H&VW266H
95
11.2 Power/Inverter Board
1.) No power
Check CN902 pin3, 4 = 14V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C907 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin8 of IC901
Check R905 and Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
1) Check IC901
2) Check R910, D901 circuit
OK
OK
NG
Check Q900, D901, IC902, IC903, D915, D916, ZD921, ZD922
OK
Check IC901 pin5 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG
Summary of Contents for VK266H - 25.5" LCD Monitor
Page 7: ...Service Manual ASUS VK266H VW266H 7 ...
Page 16: ...Service Manual ASUS VK266H VW266H 3 3 4 YPbPr Input List 16 ...
Page 35: ...Service Manual ASUS VK266H VW266H 35 6 1 6 PCB Layout Main Board 715T3144 H ...
Page 36: ...Service Manual ASUS VK266H VW266H 36 ...
Page 37: ...Service Manual ASUS VK266H VW266H 37 ...
Page 38: ...Service Manual ASUS VK266H VW266H 38 6 2 Power Board 715G2594 2 ...
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Page 98: ...Service Manual ASUS VK266H VW266H 12 Exploded View 98 ...