Kramer Electronics, Ltd.
11
10
TAKING CARE OF YOUR LINE AMPLIFIER
Do not locate your line amplifier in an environment where it is susceptible to dust or moisture. These may
damage the electronics, and cause erratic operation or failure. Do not locate your line amplifier where
temperature and humidity may be excessive. Do not clean your line amplifier with abrasives or strong cleaners.
Doing so may remove or damage the finish, or may allow moisture to build up. Take care not to allow dust or
particles to build up inside unused or open connectors.
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TROUBLESHOOTING
NOTES
1. Please note that if the output signal is disturbed or interrupted by
very strong external electromagnetic interference, it should return
and stabilize when such interference ends. If not, turn the power
switch off and on again to reset the machine.
2. If the following recommended actions still do not result in
satisfactory operation, please consult your KRAMER Dealer.
11.1 Power and Indicators
Problem
Remedy
No Power
For models VM-9S, VM-9YC, perform the following:
1. Confirm that the rocker switch is in the “ON” position, and that the indicator lamp is
illuminated.
2. Confirm that power connections are secured at the amplifier and at the receptacle.
Make sure the receptacle is active, outputting the proper voltage.
3. If there is still no power, check the fuse. Remove the power cord from the AC outlet
and from the machine and then, using a flat head screwdriver, remove the fuse
holder located directly below the power connector. Confirm that the fuse is good by
looking at the wire connected to the ends of the fuse. If the wire is broken, replace
the fuse with another, with the same value.
For models 103YC, 104L, perform the following:
1. Confirm that power connections are secured at the amplifier and at the receptacle.
Make sure the receptacle is active, outputting the proper voltage.
2. If there is still no power, use a Philips screwdriver, to remove screws on both sides
of the machine and release the panel.
3. Locate the fuse holder inside your machine. Confirm that the fuse is good by looking
at the wire connected between the ends of the fuse. If this wire is broken, replace the
fuse with another, with the same rating.
4. Install the front panel by replacing the screws on each side of the machine.
