First, starting up steps:
4.
OPERATING INSTRUCTIONS
1. ensure correct setting method and connection according to instructions.
2. check if short circuit of the input output connection.
3. check whether the local power system data is correspondence with that in the manual.
4. ensure the power switch is 0FF, the volume to be minimum.
5. switch power on, then turn on audio devices , switch pre amplifier (itself) ON, clockwise
adjust the volume knob clockwise to proper position.
6. turn on the assistant devices and power amplifier and check them if all work properly.
Second, shutdown steps:
1. counterclockwise adjust the volume knob to be minimum (power amplifier and pre-amplifier).
2. switch power amplifier off to be OFF.
3. switch pre amp off ( itself) to be OFF. Then turn off assistant and audio devices in turn,
8
Fault phenomenon
There is no sound output
when the line connection is good
The cause of the problem
1.No electricity or plug contact undesirable
2.The fuse was burn out
3.The volume is not open
4.No input signal
Normal startup, the alarm triggered
1. Load short circuit or damaged
2. Power supply voltage is not stable, too high or
too low
3. Overload
In the normal use of all of a sudden
no sound output
1. Temperature is too high, the machine in
temperature protection
2. Loose cable connection
5 . T R O U B L E S H O O T I N G
Содержание T-6240
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