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SYMPTOM: NO VGA PICTURE ABNORMAL
No VGA picture
Check if signal of P2 pin
1,2,3,12,13,15 is normal**
Yes
Check if voltage of
U8 pin 8 is +5V
Yes
Check if signal of U22 pin
16,17,21,23,24 is normal**
Yes
Check if signal of U22
LVDS is normal**
Yes
Replace Main PCB
* Refer to DC voltages page
** Refer to Waveforms page
No
Replace connection
No
Replace U8
No
Replace Main PCB
No
Replace U22
40
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