user manual
TFS-780
TFS-780 user manual
Page 3
Front Panel Functions TMC-750 ....................................................................................... 38
Front Panel Functions TMC-1250 ..................................................................................... 39
Rear Panel Functions ........................................................................................................ 40
Mechanical Installation ..................................................................................................... 41
Mains Power...................................................................................................................... 41
Powering Up...................................................................................................................... 41
Safety Earthing.................................................................................................................. 42
Internal Fuses .................................................................................................................... 42
Voltage Setting.................................................................................................................. 42
Voltage Range ................................................................................................................... 42
Current Consumption ....................................................................................................... 42
Audio Connections & Controls......................................................................................... 43
Polarity............................................................................................................................... 43
Input Impedance................................................................................................................ 43
Muting................................................................................................................................ 44
Sensitivity .......................................................................................................................... 44
Attenuation & Gain Setting .............................................................................................. 44
Signal Metering................................................................................................................. 44
Output Connections .......................................................................................................... 45
Damping Factor................................................................................................................. 45
Which speaker impedance?.............................................................................................. 45
Long Speaker Lines........................................................................................................... 45
The Cooling System.......................................................................................................... 46
Filter Inspection & Maintenance ...................................................................................... 46
Temperature Metering & Protection ................................................................................ 46
Fan Speed Setting ............................................................................................................. 47
Fault Modes ....................................................................................................................... 47
Troubleshooting................................................................................................................ 48
Maintenance ...................................................................................................................... 50
Gaining Access.................................................................................................................. 50
To withdraw one of the amplifier modules ..................................................................... 50
Cleaning............................................................................................................................. 50
Routine Checks.................................................................................................................. 50
Cleaning heatsinks ............................................................................................................ 50
Spare Parts & Accessories................................................................................................ 51
Specifications .................................................................................................................... 51
Warranty ............................................................................................................................ 52