Nokia Phone NO signal solutions

For new beginners. Nokia NO signal solutions

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nokia has 2 dirctories of signal
1-TX(that mean trasmiter)
2-RX(that mean receiver)
3-when i understand that is rx and tx problem???
3/1The most problems of TX are(when you power on the
phone, signal is well but..before the light is off,
signal shut down
3/2 The most problems of RX are (when you switch on
the phone and you have not signal
I DONT KNOW IF YOU UNDERSTAND THE DIFERENCE OF 2 CAUSES?
ANYWAY THESE ARE IN GENERAL
4- Whitch parts of nokia are RX and TX?
4/1- PA (power amplificator)is only TX(trasmiter)
4/2- DUBLEXER is RX and TX too
PA AND DUBLEXER EXEPT THE SIGNAL THEY CAUSE MOST OF
PROBLEMS WHEN NOKIA SHUT DAWN WHEN MAKE A CALL
4/3 HAGAR -is RX and have a little part of TX but 80%
of received signal is hagar
4/4 COBBA is TX and a little RX
but cobba cause most of contact service in nokia
and when you listen bad in earphone
4/5 32.768 KHZ REAL TIME CLOCK cause too much problems
of signal and when the phone shut dawn inormaly
you must listen the ring of the phone if it is
too slowly 32.768khz must be change
4/6 CCONTI TRASMIT ELECTRICITY ALL NOKIA PARTS
most of problems when the phone not swhitch on
the problem is cconti
4/7 FLASH IC cause most of contact service in nokia
and signal ( when you switch on the phone and you
have not signal but only the name operator example
( like only vodafone but nothink signal) is a flash
problem
OK MAN I WISH U UNDERSTAND ME
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