Im a tv reparing engnier i have problem that nobel tv model dcl 14007 aft problem please help me
You have a posted a generic question for a complaint of AFT . This is related to a number of reason for which more information is required. You have to check the gain on the TUNER , check the IF sections and see if the AGC is working.
It is important to study the signals before the fault is comfirmed. Check the gain on this section for signal processing. If not the VIF/SIF IC can be weak.
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