-
5
-
Model No.: HTS-999-311
Version: 1.0
TROUBLE SHOOTING
1. No
power
a. Check power cord correct connecting
b. Check the 120V/240 voltage switch is at the correct position
c. Check the power switch is ok
d. Check the 250V 5A safety tube is fine
e. Check the transformer is fine.
2. No
sound
a. Check the power +40V (OK)
b. Check whether the protecting circuit ( relay ) is ok
c. Check the Pre-amp circuit
d. Check whether the source input switch is ok
e. Check the source input connection
3. Microphone no sound
2. Check the power supply
3. Check the Mic input
4. Check the echo
4. No
radio
a. Check the power supply
b. Check the radio wire
c. Check the source input switch
5. VFD Display no display
a. Check the power 24V/6V
b. Check the VFD display
6. DVD no output
a. Check power +5V
b. Check
CD4053/4052
7. Amplifier with one channel output
a. Check the signal input
b. Check amplifier circuit
c. Check protecting circuit
