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17" LCD Color Monitor
Lenovo LXH-GJ17L3
38
W / LED, No Backlight
Check C202 (+) =12V
NG
OK
Check adapter
Check ON/OFF signal
Check Interface board or main board
NG
OK
Check U201 PIN 10 / 7 have the output of sawtooth wave at short time
Check D201/D202 (-) has the output of square wave at short time.
Check Q205, Q207, Q203
Check Q206, Q208, Q204
Check the resonant wave of pin2 & pin5 for PT201/PT202
Check the output of PT201/PT202
Check Q211, Q212, C214
Check connecter & lamp
OK
NG
Change PT201/PT202
Summary of Contents for LXH-GJ17L3
Page 9: ...17 LCD Color Monitor Lenovo LXH GJ17L3 9 h t t p w w w w j e l n e t ...
Page 13: ...17 LCD Color Monitor Lenovo LXH GJ17L3 13 Back Light Unit h t t p w w w w j e l n e t ...
Page 23: ...17 LCD Color Monitor Lenovo LXH GJ17L3 23 6 2 Power Board h t t p w w w w j e l n e t ...
Page 27: ...17 LCD Color Monitor Lenovo LXH GJ17L3 27 h t t p w w w w j e l n e t ...
Page 28: ...17 LCD Color Monitor Lenovo LXH GJ17L3 28 7 2 Power Board h t t p w w w w j e l n e t ...
Page 29: ...17 LCD Color Monitor Lenovo LXH GJ17L3 29 h t t p w w w w j e l n e t ...
Page 30: ...17 LCD Color Monitor Lenovo LXH GJ17L3 30 7 3 Adapter Board h t t p w w w w j e l n e t ...
Page 31: ...17 LCD Color Monitor Lenovo LXH GJ17L3 31 h t t p w w w w j e l n e t ...
Page 32: ...17 LCD Color Monitor Lenovo LXH GJ17L3 32 7 4 Key Board h t t p w w w w j e l n e t ...