XIEGU
Product Maintenance Manual G90/G90S Portable Short-Wave Transceiver
XIEGU All Rights Reserved Version No.: 1.0 2022-07 Page
39
of
48
Fault phenomenon: the power supply is short-circuited as soon as the transmitting starts (the
power supply exceeds 10A)
Maintenance methods:
Power off the whole device, and check whether the winding of
the output transformer is short-circuited with the copper tube of
the transformer.
This fault is generally a short circuit caused by the cutting of the
winding sheath by the copper tube in the transformer during the
manufacturing process of the transformer.
Output transformer
