Usually caused by a loose ribbon cable connecting the front panel to the main logic board. Reseating this cable often fixes the issue. 3. Board Layout and Component Access To access the internals for servicing:
VHF and HF receive fine, but UHF is weak. qyt kt-7900d service manual
: Loss of signal on specific bands often points to a faulty p-i-n diode or a switching transistor controlled by the demultiplexer. Community Support Usually caused by a loose ribbon cable connecting