17
EARTH AND GROUND
The Case of PHONE-AMP G103 Mk II is connected to earth potential, the
internal ground potential may be connected to earth with the aid of a jumper.
Ex works the jumper is set to
“
LIFT
”
position.
(See page 14
“
The earth/grounding concept and page 22/23
“
Jumper settings
”
)
THE POWER SUPPLY
Mains is connected via a three-pin IEC/CEE socket and a matching three-wire
mains cable with Central Europe-type mains connector. The mains cable may
vary to fit the demands of different markets
The unit is factory-set to a mains voltage of 230 V AC.
Mains voltage may vary between 190 and 250 without any effect on flawless
operation. The built-in mains transformers provide the internal supply voltages
of approx. +/- 25 V.
THE MAINS FUSE
The 0,25 AT fuse is internally soldered in place on the power supply PCB.
ATTENTION !!
FOLLOW THE SAFETY INSTRUCTIONS:
A blown fuse may refer to internal problems and should only been replaced
during qualified servicing works!
Operation PHONE-AMP G103 Mk II
Summary of Contents for PHONE-AMP G103-MK II S
Page 23: ...23 ...
