User Guide

26
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
No sound, display
will not light
1. Power cord not plugged in.
2. Power off at AC source.
3. Power switch off.
4. AC power inlet fuse blown or
faulty.*
1. Reconnect power cord.
2. Check power at plug.
3. Turn power switch on.
4. Check for shorts or overloading. Replace
fuse.
No sound, display
on.
1. Preamplifier Tuner in mute
2. Volume control to minimum.
3. Wrong source selected.
4. Line stage to amp. cables loose or
faulty.
5. Source to line stage cables loose or
faulty.
1. Unmute Preamplifier Tuner.
2. Increase volume.
3. Select source.
4. Tighten, repair, or replace cable.
5. Tighten, repair, or replace cable.
Loud hum or buzz
on one or more
channels
1. Poor ground connection in
interconnect cables.
2. Poor ground in main AC supply.
3. Poor ground on cable box.
4. Cables running across back of TV.
1. Check all connectors and repair as
necessary.
2. Check ground of outlet. Have it checked by
qualified serviceman.
3. Check ground.
4. Reposition cables.
Remote will not
operate unit.
1. Batteries missing.
2. Batteries dead.
3. Batteries inserted wrong.
4. Remote signal blocked.
5. Lens requires cleaning.
6. IR Lock is enabled
1. Check for batteries inside remote.
2. Put in fresh batteries.
3. Follow diagram in battery compartment.
4. Clear path to front panel of unit.
5. Clean lens with a soft cloth.
6. Refer to
IR Lock under Security Options in
this manual
One or more
channels sound
bad
1. It is possible that the Preamplifier
Tuner needs to be reset (cold
power boot).
1. Cycle the Preamplifier Tuner’s front panel
POWER switch to OFF then back to ON.
* Note: If the unit continues to blow power inlet fuses, have the unit checked by a qualified
technician.
DO NOT USE A HIGHER RATED FUSE!
, contact B&K customer service.