Trouble
S
hootin
g
•
Mainboardnotwork
•
1. Checkthe“powerboard“in
mainboardwhetherhas12Vand
5V5vsboutput.
•
2.VerifyiftheDC/DCconvertors
havetherightoutput(1.06V,1.5V)
•
3.Verifyif IC havetheright
output(3.3V,1.06V,)
•
3.Verifyifthe
AudioAMP…solderwell;
•
therightsoftwareandworkwell;
•
5.VerifyiftheY1(Crystal)
has
therightfrequency
Panelnotwork
1. ChecktheLEDBacklight“setupIC”
outputandinputareworking.
2.VerifyiftheMainboardoutputthe
rightOn/Offsignaltopowerboard;
3.VerifyiftheMainboardoutputthe
LVDSsingaltopanelTconboard
4.Verifyifthesoftwareistheright
versionofthismodel.
5.ChangetheLVDSwiretocheckifit’s
broken.
- 33 -
Mainchip(MSD6586PYE), DDR,
4.Verify if the FLASH(U502) has