Vizio VP503 FHDTV10A Service Manual
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CONFIDENTIAL
–
DO NOT COPY
Page 9-7
File No. SG-0279
TROUBLE
OF PANEL NO DISPLAY
Check LVDS harness
connect good
Check control signal
1. Check F15_ON is logic “H” (L90)
2. Check 5V (L607)
3. Check PANEL_STBY_ON is logic “H” (R339)
4. Check DISPEN is logic “H” (R340)
Check LVDS CLOCK is
72Mhz~77MHz
Check J8 Pin17/18, 3/4
1. Check D3 Pin 4 is logic “L”
2. Check D3 Pin 3 is logic “L”
Check the panel
abnormal
Check J8
END
D3
D5