Question about Computers & Internet
I have an IC746 After a lightning storm the set went completely dead. As per articles in the internet about dead ic 746 I replaced ic151 and the set canme back to life.But now I find that only 1.8 to 7 Mhz and VHF work ok. But 10 to 50 Mhz does not work due to the ATU not tuning. The receiver side is ok. What else shud have burnt??
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Posted on Jan 02, 2017
Normalmente cuando falla la fuente se dañan los transistores convertidores, la resistencia 607 de 0.1 ohmios los condensadores C609, C610 de 0.47 mf. C611, C612 de 0.22 mf.
En nuestro caso basto con cambiar el MX0841 y R607, ya que el daño se debió a una sobrecorriente provocada por la salida horizontal, esta fuente e mas robusta que la de otros modelos ya que accidentalmente se provoco un corto en la salida del B+134 y simplemente solo se daño el MX0841 y la resistencia R607, se cambiaron y la fuente volvió a funcionar perfecto
Posted on Dec 04, 2008
its the problem of the frequency range its getting blocked at particular location.these can be solved by two options
1)first try changing the location of the unit from one corner to another corner.that should help to catch the frequency again if its getting blocked at particular location.this happens many times.but if changing the locan does not make any difference.then
2) get checked that the antenna of the unit is not catching the required frequency for the unit.so change the antenna also connect this external antenna as mentioned 50 ω (it comes wioth SMA Connector) that helps in catchinf the frequency.
you will get this at radio shack website. this will help.
also in the unit there is a component which controls the frequency called microprocessor if that goes weak the unit slowly slowly stops receving the accurate signals and only the noise comes.so the micro processor in located internally in the left side.its a green and black colour mini chip circuit board.many times opening the unit and removing and cleaning the microprocessor and refitting it solves the problem but this is 50 --- 50 chance.
this all has to be checked what mentioned.
thank you for using fixya.
Posted on Mar 31, 2009
As i understand that you are not able to receive emails from the organization's email id,
-So first check if the inbox in the organization's email id is more than 900 emails,if so than delete or move the mails to other folder other than inbox.
-Check the memory in the blackberry handset also.
-If still not working then login to blackberry.com website (ie..ServiceProvider.blackberry.com) and then delete the organization's email account and then recreate the organization's email account and then click on service book and then click on send service book...And then you will be receiving the service book on the handset and then save it and then you will be able to receive the emails from organization's email account also.
Posted on May 26, 2009
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