B&K AVR212 User Manual

Page of 88
 
77
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. Receiver 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 receiver. 
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. 
Surround sound 
does not sound 
correct. 
1. Recordings are not Dolby 
Surround encoded. 
2. Recordings are not Dolby Digital. 
3. Surround processor not in correct 
mode. 
4. Check speaker setup. 
5. Speakers phase wrong. 
1. Play a Dolby Surround 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 receiver. (-) on speaker to (-) on 
receiver. 
Remote will not 
operate unit. 
1. Batteries missing. 
2. Batteries dead. 
3. Batteries inserted wrong. 
4. Remote signal blocked. 
5. Lens requires cleaning. 
6. Wrong programming. 
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. 
Video is in Black 
and White 
1. Zone 1 video monitor is selected 
to the wrong signal type. 
1. Select the proper video signal type 
(composite or S-video). 
One or more 
channels sound 
bad 
1. Internal fuses may have blown. * 
There are two internal fuses per 
channel 
1. Please contact B&K customer service. 
* 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!
,
 contact B&K customer service.