
20.0” LCD Color Monitor
Lenovo L2060wA
40
8.2.2 Power/Inverter Board
No power
Check bridge rectified circuit and F901 circut
1) Check IC901
2) Check R909/D901/C903 and OVP circuit
Check CN902 pin4, 5 = 5V
Check the voltage of C907(+)
Check start voltage for the pin8 of IC901
Check R933, R934, R935, and Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
NG
NG
NG
Check Q903/D906/IC902/ZD921/ZD922
Check IC901 pin5 PWM wave
Check IC901,Q901
NG
OK
NG
OK
OK
OK
OK
Check AC line volt 110V or 220V
Check AC input
Summary of Contents for L2060wA
Page 11: ...20 0 LCD Color Monitor Lenovo L2060wA 11 4 2 Factory Preset Display Modes ...
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Page 29: ...20 0 LCD Color Monitor Lenovo L2060wA 29 7 PCB Layout 7 1 Main Board 715G3327 1 ...
Page 30: ...20 0 LCD Color Monitor Lenovo L2060wA 30 ...
Page 31: ...20 0 LCD Color Monitor Lenovo L2060wA 31 ...
Page 32: ...20 0 LCD Color Monitor Lenovo L2060wA 32 7 2 Power Board 715G3483 2 ...
Page 33: ...20 0 LCD Color Monitor Lenovo L2060wA 33 ...
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Page 35: ...20 0 LCD Color Monitor Lenovo L2060wA 35 7 3 Key Board 715G3290 2 ...
Page 45: ...20 0 LCD Color Monitor Lenovo L2060wA 45 10 Monitor Exploded View ...