Troubleshooting - B&K PT3 Owner's Manual

PROBLEM POSSIBLE CAUSE
No sound, display 1. Power cord not plugged in.
will not light 2. Power off at AC source.
3. Power switch off.
4. AC power inlet fuse blown or
No sound, display 1. Preamplifier Tuner in mute
on. 2. Volume control to minimum.
3. Wrong source selected.
4. Line stage to amp. cables loose or
5. Source to line stage cables loose or
Loud hum or buzz 1. Poor ground connection in
on one or more
channels 2. Poor ground in main AC supply.
3. Poor ground on cable box.
4. Cables running across back of TV.
Remote will not 1. Batteries missing.
operate unit. 2. Batteries dead.
3. Batteries inserted wrong.
4. Remote signal blocked.
5. Lens requires cleaning.
6. IR Lock is enabled
One or more 1. It is possible that the Preamplifier
channels sound
bad
* 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!

TROUBLESHOOTING

faulty.*
faulty.
faulty.
interconnect cables.
Tuner needs to be reset (cold
power boot).
POSSIBLE SOLUTION
1. Reconnect power cord.
2. Check power at plug.
3. Turn power switch on.
4. Check for shorts or overloading. Replace
fuse.
1. Unmute Preamplifier Tuner.
2. Increase volume.
3. Select source.
4. Tighten, repair, or replace cable.
5. Tighten, repair, or replace cable.
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.
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
1. Cycle the Preamplifier Tuner's front panel
POWER switch to OFF then back to ON.
,
contact B&K customer service.
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