Saturday 11 February 2017

how to RF section work in CRT TV AND circuit diagram

WORKING OF RF SECTION IN CRT TV AND ITS CIRCUIT DIAGRAM

RF Section
Tuner Tu101 receive the radio frequency signal, after inside circuit to do
signal receiving, and signal amplifying. The amplified high frequency
signal accompany with the high frequency oscillation voltage oscillated
by set oscillator input to the mixer. The IF picture signal and sound signal
formed in mixer and output from mixer, then send to picture IF
processing circuit.


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1 comment:

  1. Aravinda rabi das.2 January 2022 at 22:12

    some time the a/s pin connected to 5 volt positive, sometine connected to GND. what is the reason?

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