12
7. TROUBLE SHOOTING
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
70V 100V
COM 4 Ω
70V 100V
COM 4 Ω
100V LINE
70V 100V
COM 4 Ω
70V LINE
6.1 SPEAKER CONNECTIONS
4Ω
6. CONNECTIONS
70V/
(T-4060MP)
(T-4120MP)
81
40
(T-4060MP)
(T-4120MP)
167
83
(T-4240MP)
20
(T-4240MP)
41