bk avr212 User Manual

 

15

 
 

Connect digital inputs (DVD, VLD, etc.) to the receiver. You will need either coaxial or optical digital inputs to play 
Dolby Digital (AC-3) or DTS surround sound processing. Digital connections are also recommended for PCM 
sources. If your source has both optical and coaxial outputs connect only one.  
 
 
Coaxial digital inputs - Standard RCA type 
connectors. Attach one end of your digital coaxial cable 
to your source coaxial digital out and the other end to 
the appropriate receiver coaxial digital (orange) input.  
 
 

 

Optical digital inputs - First, remove the cap on 
the optical digital input. Save the cap. Attach one 
end of your digital optical cable to your source and 
the other end to the appropriate digital input on the 
back of the receiver. 
 

 
Connecting A Laser disc Player - Dolby Digital 
(AC-3) laser discs use a special technique called AC-
3 RF to encode the Dolby Digital bitstream. If the 
laser disc player is capable of playing back Dolby 
Digital discs it will have a separate output for this 
bitstream in addition to the normal coaxial and/or 
optical outputs. Do not connect the AC3-RF output 
directly to your receiver. The AC-3 RF bitstream 
must first be converted to a normal (non-RF) Dolby 
Digital type signal. It is recommended that a B&K 
DT-1 be used to convert and select between the 
Laser’s AC-3 RF and PCM/DTS signals. The output 
from a DT-1 will automatically select between the 
connected PCM/DTS bitstreams and the converted 
AC-3 RF Dolby Digital signal. Other AC-3 RF to 
Dolby Digital decoders may not make this switch

 

automatically. Connect the laser disc’s AC3-RF output to the DT-1’s AC-3 RF input. Connect either the laser disc 
player’s PCM coaxial or optical digital output (not both) to the DT-1’s coaxial or optical input. Connect the DT-1’s 
coaxial output to the desired coaxial digital input on your receiver. 
 
 
Digital Outputs - Separate 
and independent coax digital 
outputs are available for 
Zone 1 and Zone 2. Connect 
to a digital recorder (CD-R, 
mini disc, DAT, personal 
computer, etc.) These signals 
are the same as the incoming 
digital signal from the 
selected source on each 
zone. If your digital recorder 
has both optical and coaxial 
inputs you need only connect 
one. Zone 1 selected digital 
input is converted to both 
coaxial and optical. You may 
connect one digital recorder 
to the optical output and 
another recorder to the coaxial.  
Zone 2 digital output is coax.  

Coax digital input

from DVD output

SAT

DVD

CD

TV

V2

V1

COAX DIGITAL

Optical digital output
from source

Coax digital input

from VLD output

SAT

DVD

CD

TV

V2

V1

COAX DIGITAL

MAIN

OUTPUT

AC-3 RF

INPUT

COAX
INPUT

AC-3 RF input

from VLD output

DT-1

Zone 1 (A) Optical digital output
to digital recorder

Zone 1 (A) Coax digital output
to digital recorder

Zone 2 (B) Coax digital output
to digital recorder