Cleaning
Your VTL preamplifier should be dusted occasionally with a damp non-abrasive cloth.
You should not use any solvents for cleaning the front panel, as this can damage the
lettering and the finish. It is recommended that you use a contact cleaner such as Pro-
Gold on the input and output connectors regularly to ensure optimum sound and
proper signal conducting capability.
Troubleshooting
1. When I power on the preamplifier, Status LED does not come on and
nothing else happens. What should I do?
Check to make sure that the power cord is properly connected to the
preamplifier and the AC outlet. If there is no problem with the power
source, check the fuse unit in the back panel of the preamplifier. If the fuse is
blown, change the fuse. Turn the power on the preamplifier again. If the
problem still persists, contact your authorized VTL dealer immediately.
2. Using the remote control from another stereo component in my system
affects the control of my VTL preamplifier. Why is this happening and what
should I do?
Your VTL preamplifier is equipped with a remote control receiver unit which
decodes signals coming from a Phillips microcontroller chip. If you own
another stereo component that comes with a remote control unit using the
same microcontroller chip, signals transmitted from this component could be
picked up by the VTL preamplifier as well. A good indication that there is an
interface problem is if the Status LED turns amber or blinking amber, as this
is a state which is not used by this VTL preamplifier. The VTL remote control
unit uses the standard RC5 connections to the chip. If your other remote unit
also adopts the same standard, then there is a chance that the signals from
both remotes may be interpreted as the same. If the functions with the same
command are different for both units then one or other of the remote controls
will have to be re-programmed. Contact your VTL Dealer or the Factory for a
solution to this problem. Note that in either case there is no damage being done to your
VTL preamplifier while it is being used in these states, and you can continue to safely use the
preamplifier until a solution is reached..
Please contact the VTL factory service department to report this problem as
we are interested in knowing which models of stereo equipment could cause
this problem.
TL2.5 Preamplifier Owner’s Manual
VTL
20
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