Troubleshooting, Do not use a higher rated fuse, Possible solution possible cause problem – B&K p/n 12698 User Manual

Page 48

Advertising
background image

TROUBLESHOOTING

1. Cycle the A/V System Controller’s front panel

POWER switch to OFF then back to ON.

1. It is possible that the A/V System

Controller needs to be reset (cold
power boot).

One or more
channels sound
bad

1. Select the proper video signal type

(composite or S-video).

1. Z1 video monitor is selected to the

wrong signal type.

Video is in Black
and White

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 remote manual.

1. Batteries missing.
2. Batteries dead.
3. Batteries inserted wrong.
4. Remote signal blocked.
5. Lens requires cleaning.
6. Wrong programming.

Remote will not
operate unit.

1. Play a Pro Logic recording.
2. Play a Dolby Digital recording.
3. Select proper surround mode.

4. Pick correct speaker setup for your system.
5. Check wiring of speakers (+) of speaker to

(+) on amplifer. (-) on speaker to (-) on
amplifer.

1. Recordings are not Pro Logic.
2. Recordings are not Dolby Digital.
3. Surround processor not in correct

mode.

4. Check speaker setup.
5. Speakers phase wrong.

Surround sound
does not sound
correct.

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. 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

.

Loud hum or buzz
on one or more
channels

1. Unmute A/V System Controller.
2. Increase volume.
3. Select source.
4. Tighten, repair, or replace cable.

5. Tighten, repair, or replace cable.

1. A/V System Controller 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.

No sound, display
on.

1. Reconnect power cord.
2. Check power at plug.
3. Turn power switch on.
4. Check for shorts or overloading. Replace

fuse.

1. Power cord not plugged in.
2. Power off at

AC

source.

3. Power switch off.
4.

AC

power inlet fuse blown or faulty.

*

No sound, display
will not light

POSSIBLE SOLUTION

POSSIBLE CAUSE

PROBLEM

* Note

:

If unit continues to blow power inlet fuses, replace

only with fuses of same type and rating.

DO NOT USE A HIGHER RATED FUSE!

,

have it serviced by your dealer or B&K.

46

p/n 12698 Rev. 9808B

Advertising