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have a problem in Protel99SE

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saroch

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I have created an LCD component and used it in the schematic design
but when I "update PCB", there is an error "node not found"
pls help me solve this problem

thx in advance

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** pay SYMPATHY to all of you in the worst tragedy in SE Asia **
 

It sounds like you have a pin in the schematic that doesn't appear on the PCB footprint. Check your component, and make sure that the names and quantity of pins match from the schematic to the PCB footprint.

A common mistake is to use an oh "O" when you meant zero "0", or an eye "I" when you meant one "1", etc. The pin names have to match exactly between the schematic and the PCB.
 

the name of the pin must be wrong.
you can try to check that.
 

No one is best, it's depend on your requirment!
I used Protel, PowerPCB & Cadence, each one has its own characteristic. Protel is easy to learn, PowerPCB is uesd for 4-8 layers PCB layout, if you want more layers PCB, Cadence is a good choice!
 

This error occurs since pins numbers in schematic symbol library does not match with PCB library component
 

Hello
Your problem is depend on somethings .In addition every thigs that have told is a probability there is another probability that the connectin is not throuhly connectec and there are space between track and pad and you can not see that space.
bye
 

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