Rotel DVD Recorder RDA 985 User Guide

RDA-985  
DTS DECODER  
DTS DECODER RDA-985  
DTS SIGNAL  
POWER  
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
CAUTION  
FRONT REAR  
DIGITAL  
COAX  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
DTS DECODER  
MODEL NO. RDA-985  
POWER CONSUMPTION: 10W  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
IN  
IN  
OUT  
L
CENTER  
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
OPTI  
RDA-985  
R
SUBWOOFER  
INPUT  
OUTPUT  
5.1 CH  
Owner’s Manual  
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RDA-985  
Figure 1 – Controls and Connections  
DTS DECODER RDA-985  
POWER  
DTS  
SIGNAL  
1
2
3
4
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
FRONT REAR  
CAUTION  
DIGITAL  
COAX  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
DTS DECODER  
MODEL NO. RDA-985  
POWER CONSUMPTION: 10W  
IN  
IN  
OUT  
L
CENTER  
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
OPTI  
RDA-985  
R
SUBWOOFER  
INPUT  
OUTPUT  
5.1 CH  
5
6
7
8
9
10  
11  
12  
Figure 2 – Basic Wiring Connections  
DVD PLAYER  
AUDIO OUTPUT  
DIGITAL  
OUT  
VIDEO OUTPUT  
S-VIDEO  
LEFT  
COMPOSITE  
RIGHT  
ROTEL RDA-985 DTS DECODER  
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
FRONT REAR  
CAUTION  
DIGITAL  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
DTS DECODER  
MODEL NO. RDA-985  
POWER CONSUMPTION: 10W  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
IN  
IN  
OUT  
L
CENTER  
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
OPTI  
COAX  
RDA-985  
R
SUBWOOFER  
INPUT  
OUTPUT  
5.1 CH  
SURROUND SOUND PROCESSOR  
DIGITAL INPUT  
5.1 CH INPUT  
LDRF  
OPTICAL  
DIGITAL SURROUND SOUND  
PROCESSOR  
MODEL NO. RSP-975  
POWER CONSUMPTION: 22W  
SPEAKER CONFIGURATION  
COAXIAL  
CENTER FRONT REAR  
SUB  
MONITOR  
TV  
SMALL  
SMALL SMALL  
ON  
COAX 1  
COAX 2  
DVD  
NONE  
LARGE  
LARGE  
OFF  
LARGE  
CD  
RSP-975  
SWITCHED 800W MAX  
TUNER  
TAPE  
AUX  
VIDEO 1  
VIDEO 2  
VIDEO 3  
VIDEO 4  
FRONT  
REAR  
CENTER  
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
L
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
POWER  
R
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
SUB  
IN  
OUT  
IN  
OUT  
IN  
OUT  
IN  
OUT  
OUTPUT  
1
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DTS DECODER RDA-985  
Figure 2 – Wiring Connections with Second Decoder  
DVD PLAYER  
AUDIO OUTPUT  
VIDEO OUTPUT  
S-VIDEO  
LEFT  
DIGITAL  
OUT  
COMPOSITE  
RIGHT  
ROTEL RDA-985 DTS DECODER  
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
FRONT REAR  
CAUTION  
DIGITAL  
COAX  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
DTS DECODER  
MODEL NO. RDA-985  
POWER CONSUMPTION: 10W  
IN  
IN  
OUT  
L
CENTER  
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
OPTI  
RDA-985  
R
SUBWOOFER  
INPUT  
OUTPUT  
5.1 CH  
DOLBY DIGITAL DECODER  
FRONT REAR  
DIGITAL  
COAX  
IN  
IN  
OUT  
L
CENTER  
OPTI  
OUTPUT  
5.1 CH  
R
SUBWOOFER  
SURROUND SOUND PROCESSOR  
SURROUND HI-PASS  
FRONT HI-PASS  
OFF ON  
CENTER MODE  
PHANTOM  
5.1 CH INPUT  
CAUTION  
WARNING:TO REDUCE THE RISK OF FIRE  
OR ELECTRICAL SHOCK, DO NOT EXPOSE  
THIS EQUIPMENT TO RAIN OR MOISTURE.  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
OFF  
ON  
NORMAL  
WIDE  
SWITCHED  
500W MAX  
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR  
NORMAL  
LARGE/THX  
NONE  
CENTER SPEAKER  
INPUT  
OUTPUT  
TV MONITOR  
OUTPUT  
S-VIDEO INPUT  
S-VIDEO OUTPUT  
TUNER  
DBS  
LD  
1
2
3
1
2
3
VIDEO 3  
RCA  
C
S
S
C
SURROUND SOUND PROCESSOR  
MODEL NO. RSP-980  
POWER CONSUMPTION: 22W  
OUT  
VIDEO  
TUNER  
DBS  
VIDEO  
2
VIDEO  
2
CD  
LD  
1
3
1
3
TAPE MONITOR ZONE 2  
IN OUT OUT  
RSP-980  
FRONT  
REAR  
CENTER  
AUDIO  
PREOUT  
L
IN  
OUT  
POWER  
R
REMOTE EXT  
SUBWOOFER  
2
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RDA-985  
A Few Precautions  
Contents  
Please read this manual carefully. In addition to installation and  
operating instructions, it provides valuable information on various  
RDA-985 system configurations as well as general information  
that will help you get optimum performance from your system.  
Please contact your authorized Rotel retailer for answers to any  
questions you might have. In addition, all of us at Rotel welcome  
your questions and comments.  
Getting Started ______________________________________ 3  
A Few Precautions  
Placement  
3
3
AC Power and Control ________________________________ 3  
AC Power Input  
3
4
12  
Save the RDA-985 shipping carton and all enclosed packing mate-  
rial for future use. Shipping or moving the RDA-985 in anything  
other than the original packing material may result in severe dam-  
age that is not covered by the warranty. Be sure to keep the origi-  
nal sales receipt. It is your best record of the date of purchase,  
which you will need in the event warranty service is required.  
Power Switch  
and Power Indicator  
1
2
Digital Signal Connections ____________________________ 4  
Digital Inputs  
and  
4
4
4
4
5
7
Digital Input Selector Switch  
6
Coaxial Digital Output  
8
Placement  
DTS Indicator  
and Signal Indicator  
3
4
Use common sense when placing the RDA-985 in a cabinet or  
when stacking other equipment. Make sure that the shelf or cabi-  
net can support its weight. Do not stack heavy components on top  
of the RDA-985. Avoid placing the unit where it may be subject to  
excessive heat such as on top of a large power amplifier or near a  
heat register. For best performance, avoid placing the unit where  
it may be subject to vibration, such as near a speaker.  
Analog Signal Connections ___________________________ 4  
25-pin Analog Output  
RCA Analog Outputs  
25-pin Analog Input  
4
4
4
10  
11  
9
Specifications ________________________________________ 5  
AC Power and Control  
12  
AC Power Input  
Getting Started  
Your RDA-985 is configured for the proper AC voltage in the coun-  
try where you purchased it (either 115 volts or 230/240 volts). The  
AC line configuration is noted on a decal on the back panel.  
Thank you for purchasing the Rotel RDA-985 DTS® Decoder. The  
RDA-985 is a high-quality outboard digital processor for decoding  
discrete DTS 5.1 channel surround sound encoded Laser Discs  
and Digital Video Discs. The RDA-985 accepts an encoded DTS  
digital signal, decodes it, and sends six discrete analog surround  
sound audio signals to the 5.1 channel input on a surround sound  
processor or other system controller. With its premium compo-  
nents, Balanced Design, and robust construction, the RDA-985 will  
provide years of enjoyment in your audio/video system.  
Note: Should you move your unit to another country, it may be  
possible to reconfigure it for use on a different line voltage. Do not  
attempt to perform this conversion yourself. Opening the enclo-  
sure of the RDA-985 exposes you to dangerous voltages. Consult a  
qualified service person or the Rotel factory service department  
for information.  
The RDA-985 is simple to operate. Other than a power switch,  
there are no front panel controls or switches. The unit senses  
when a DTS signal is present and engages the decoding circuitry  
automatically.  
The RDA-985 should be plugged directly into a 2-pin polarized wall  
outlet or into the switched outlet on another component in your  
audio system. Do not use an extension cord.  
Be sure the power switch on the front panel of the RDA-985 is  
turned off. Then, connect the supplied power cord to the AC  
power receptacle on the rear of the unit and the AC power outlet.  
The RDA-985 also provides pass-through digital outputs and ana-  
log inputs to provide full flexibility in a number of system configu-  
rations. For example, a second outboard decoder (such as Dolby  
Digital) can be connected to the analog inputs of the RDA-985.  
When a DTS signal is present at the digital input, the RDA-985 will  
decode it and send the signal to the outputs. When no DTS signal  
is present, the RDA-985 will pass the signal from the analog inputs  
to the outputs.  
If you are going to be away from home for an extended period of  
time such as a month-long vacation, it is a sensible precaution to  
unplug your RDA-985 (as well as other audio and video compo-  
nents) while you are away.  
3
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DTS DECODER RDA-985  
1
2
Power Switch  
and Power Indicator  
Analog Signal Connections  
The power switch is located on the front panel of your RDA-985  
digital decoder. To turn the unit on, push the switch in. The LED in-  
dicator above the switch will light, indicating that the unit is  
turned on. To turn the RDA-985 off, push the button again and re-  
turn it to the out position.  
The RDA-985 has 5.1 channel analog output connections for send-  
ing decoded DTS information (six discrete channels: left front,  
right front, center, left rear, right rear, and subwoofer) to the sur-  
round processor or system controller. In addition, the RDA-985  
features a 5.1 channel analog pass-through input, which can be  
used to accept a decoded 5.1 channel signal from another out-  
board decoder, such as Dolby Digital, to the surround processor,  
thus simplifying connections in an elaborate system.  
Digital Signal Connections  
The RDA-985 features two standard digital inputs (optical or co-  
axial) which receive a digital data stream from a DTS-compatible  
LaserDisc or DVD player. In addition, a pass-through digital output  
connector (coaxial) can be used to send the raw digital data  
stream to another processor, such as a Dolby Digital® decoder.  
25-pin Analog Output  
10  
The most convenient analog output connection is the rear panel  
25-pin connector. This is a standard DB-25 connector which car-  
ries all six channels of decoded analog signal in a single cable. If  
you are using a surround processor which has a matching DB-25  
input, such as all Rotel surround processors, this will provide a  
convenient, simplified output connection. Simply connect the out-  
put to the matching 5.1 channel input on your surround processor  
using a standard female-to-male DB-25 audio connector.  
Digital Inputs  
and  
5
7
The RDA-985s digital inputs accept a digital signal from your  
LaserDisc or DVD player. Two types of digital inputs are available  
– an optical input connection and a 75 ohm coaxial input connec-  
tion. Select the type of connection that best matches the output  
connector on your video disc player or other source component,  
using either a standard optical digital cable or a standard 75 ohm  
coax digital cable.  
RCA Analog Outputs  
11  
The RDA-985 also provides six RCA output connectors for use with  
surround sound processors lacking a DB-25 input. These outputs  
provide exactly the same analog output signals as the DB-25 out-  
put, except that connecting them requires the use of six standard  
RCA-to-RCA audio cables. If you use the RCA outputs, make sure  
that you connect the signal properly – the LEFT FRONT output on  
the RDA-985 to LEFT FRONT input on the surround processor, etc.  
Digital Input Selector Switch  
6
A two-position switch located between the digital inputs selects  
the appropriate digital input connector, either optical or coax. If  
you connect your video disc player to the RDA-985’s optical input,  
place this switch in the left position (labeled OPTI). If you use the  
coax input, slide this switch to the right position (labeled COAX).  
25-pin Analog Input  
9
In many systems, the RDA-985 will be the only outboard surround  
sound decoder; therefore, the only input connection will be con-  
necting a DTS source component to the digital inputs described  
above. However, elaborate systems may use two outboard decod-  
ers (the RDA-985 for DTS signals and a separate Dolby Digital de-  
coder). To simplify the wiring of such a system, the RDA-985  
provides a 25-pin 5.1 channel analog input. This accepts the de-  
coded output of a Dolby Digital decoder and passes it through, un-  
changed, to the analog output of the RDA-985 to be sent on to the  
surround processor. The RDA-985 does not have to be turned on  
for this pass-through connection to work.  
Coaxial Digital Output  
8
The digital output connector is used to pass the unprocessed digi-  
tal signal from the digital input through to another processor. For  
example, the same DVD player might be used to play both DTS en-  
coded and Dolby Digital encoded surround sound material. A DTS  
encoded signal will be decoded by the RDA-985 and the resulting  
5.1 channel analog signal sent to the surround sound processor. A  
Dolby Digital encoded signal will be sent, unprocessed, from the  
digital output to the digital input of a Dolby Digital decoder for pro-  
cessing. This pass-through feature allows you to use the RDA-985  
with an outboard Dolby Digital decoder or with a surround sound  
processor that includes built-in Dolby Digital decoding.  
Switching between the digital input and the pass-through analog  
input is completely automatic, with the digital input receiving pri-  
ority. If a DTS signal is present at the digital inputs, the unit de-  
codes the DTS signal and sends the discrete analog signal to the  
RDA-985 outputs. If no DTS signal is sensed at the digital inputs,  
the signal at the analog inputs is passed through to the outputs.  
Connect the digital output connector to the digital input connector  
on your Dolby Digital decoder or directly to your surround sound  
processor’s digital input, if it has built-in Dolby Digital decoding.  
DTS Indicator  
and Signal Indicator  
3
4
Note: If you have a DTS signal at the digital inputs and an analog  
signal at the analog inputs, the DTS signal will take priority. To  
switch to the analog signal, put the DTS source component in its  
PAUSE or STOP mode.  
There are two LED indicators on the RDA-985 front panel which  
indicate whether a signal is present at the digital input. The SIG-  
NAL indicator lights whenever a digital signal from a source com-  
ponent is sensed by the digital inputs. The DTS indicator lights if  
that digital signal is DTS encoded.  
4
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RDA-985  
Specifications  
Total Harmonic Distortion (front, 1 KHz)  
Frequency Response (± 1 dB)  
Analog Inputs  
< 0.03%  
15Hz-20kHz  
1 DB-25  
Digital Inputs  
1 coaxial  
1 optical  
Digital Input Impedance  
Analog Outputs  
75 Ohms  
1 DB-25  
6 RCA  
Output Impedance  
1 KOhms  
Power Requirements  
115 Volts, 60 Hz or  
230 Volts, 50 Hz  
Power Consumption  
30 Watts  
Dimensions (W x H x D)  
440 x 73 x 270 mm  
173/8 x 27/8 x 105/8"  
Weight (net)  
5.3 kg, 11.7 lb.  
All specifications are accurate at the time of printing.  
Rotel reserves the right to make improvements without notice.  
Rotel and the Rotel HiFi logo are registered trademarks of The Rotel Co, Ltd., Tokyo, Japan.  
DTS is a registered trademark of Digital Theater Systems.  
Dolby Digital is a registered trademark of the Dolby Licensing Corporation.  
5
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RDA-985  
DTS DECODER  
The Rotel Company, Ltd.  
10-10 Shinsen-Cho  
Shibuya-Ku  
Tokyo 150-0045  
Japan  
Phone: +81-3-5458-5325  
Fax: +81-3-5458-5310  
Rotel of America  
54 Concord Street  
North Reading, MA 01864-2699  
USA  
Phone: 978-664-3820  
Fax: 978-664-4109  
Rotel Deutschland  
Kleine Heide 12  
D-33790 Halle/Westf.  
Germany  
Phone: 05201-87170  
Fax: 05201-73370  
082 OMRDA-985 051298  
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