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20
preamp current or amplifier current is higher than normal value.
if forward power is more than 110% of rated power, preamp current or amplifier current is too
much higher than normal value. it will shut down at once.
10.2.8 Lamp for RF MUTE
It means nothing for this mode of equipment.
11. Failure Check
11.1 Turn on the power supply, but the equipment doesn’t work
it may
：
The fuse is broken: change the fuse;
The plug is not inserted tightly or contacted fault: insert the plug tightly.
11.2 No audio or video output
The source of audio or video signal is not connected: check the wire to ensure it has been
connected correctly.
11.3 Other Failure
If there is any other problem that can not be solved, please contact with Zhongchuan digital
equipment Co., Ltd.
