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2.) W / LED, No Backlight
Check CN902 pin2, 4 = 12V
OK
Check ON/OFF signal
OK
Check IC201 pin5=12V
OK
Check IC201 PIN18 have the output of sawtooth wave at short
OK
Check PIN2 and PIN1 of Q204, Q208, Q209, and Q210
have the output of square wave at short time.
OK
Check PT201/PT202
OK
Check D201/ D203/ D202/ D204/D206/ D209/D207/ D210
Check Q212/Q213/ Q214/ Q215
OK
Check connecter & lamp
All manuals and user guides at all-guides.com
NG
NG
NG
NG
NG
Check Q204/Q208/C202/C203/C206/C210
Check Q209/Q210/C229/C231/C233/C234/C235
NG
39
Check adapter board
Check Main Board
Change Q207, Q205, Q206, ZD203
Change IC201
Change PT201/PT202
ASUS MM19T
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