4. Troubleshooting
1
6 Gra y P a tte rn
1
6 Gra y Wa ve Form
H-sync
Gray
Level
Ye s
Ye s
Ye s
Re place the Main Boa rd.
Che ck the output of LVDS .
Is it norma lly ope ra ting?
Re place the S MP S .
Che ck the e a ch output of the S MP S .
Is it norma lly ope ra ting?
Che ck the e a ch output of the S MP S a fte r
dis conne cting the powe r ca ble from S MPS .
And re pla ce X-Ma in, Y-Main Boa rd,
Y-S ca n Boa rd.
Che ck the LED ope ra tion of Logic Boa rd
whitch is norma lly ope ra ting?
Re place the Logic Boa rd.
No
No
No
Re place the Y-S ca n Boa rd.
No
<PC Input–1 (V-sync, H-sync, R/G/B)>
<PC Input–2 (V-sync, H-sync, R/G/B)>
4-8
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