J-Tech Digital JTECH-BDE02 User manual

DCT-9DN
Universal Digital/Analog Audio Converter
with Dolby® Digital Decoder
O
Op pe er ra at ti io on n M Ma an nu ua al l
JTECH-BDE02
Bi-directional DA AD Dolby Decoder

SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or
operate this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of fire,
electrical shock and injury to persons.
• To prevent fire or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU
if it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufficient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE DD/MM/YY SUMMARY OF CHANGE
VR0
26/08/13
Preliminary Release

CONTENTS
1. Introduction ........................................... 1
2. Applications .......................................... 1
3. Package Contents ................................ 1
4. System Requirements ........................... 1
5. Features ................................................. 2
6. Operation Controls and Functions ...... 3
6.1 Top Panel .....................................3
6.2 Right Panel ...................................4
6.3 Left Panel .....................................4
6.4 Rear Panel....................................5
7. Connection Diagram............................ 6
8. Specifications ........................................ 7
9. Acronyms............................................... 9

1
1. INTRODUCTION
The Universal Digital/Analog Audio Converter with Dolby Digital
decoder can convert among Optical, Coaxial and analog audio
signals. With the ability to convert digital signals into analog and
analog signals into digital, this device supports the simultaneous
conversion of audio formats so when converting Optical into analog
audio you can also convert it into Coaxial. Therefore, if you find
yourself limited by multiple audio formats the UniversalDigital/Analog
Audio Converter with Dolby Digital decoder is the perfect choice.
2. APPLICATIONS
• Analog audio to digital audio signal conversion (ADC)
• Digital audio to analog audio signal conversion (DAC)
• Simultaneous digital and analog audio output
• Downmixing of Dolby Digital signals
3. PACKAGE CONTENTS
• Universal Digital/Analog Audio Converter with Dolby Digital decoder
• 5 V/1 A Power Adaptor
• Operation Manual
4. SYSTEM REQUIREMENTS
Audio source equipment such as CD/DVD Player with connection
cable(s) and AV receiver or similar for audio output.

2
5. FEATURES
• Dolby Digital decoder technology embedded
• Integrated digital interpolator filter and Digital-to-Analog Converter
(DAC)
• Integrated Analog–to-Digital Converter (ADC)
• Supports LPCM input sampling rates from 32 to 96 kHz
• Output sampling rates is adjusted to 48 kHz
• Supports Dolby Digital audio downmixing to 2CH audio
• Supports Dolby Digital sampling rate 48kHz
• Provides electromagnetic-noise-free transmission
• Easy to install and operate
• Compact and elegant design

3
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Top Panel
POWER LED Indicator
The LED will illuminate in blue when the power is connected and in
red when switched off.
Dolby Digital LED Indicator
When the source is Dolby Digital formatted the LED will illuminate in
red and will remain off if not.
L/R IN LED Indicator
When selecting the L/R input, the blue LED will turn on.
COAX IN LED Indicator
When selecting the Coaxial input, the blue LED will turn on.
OPTICAL IN LED Indicator
When selecting the Optical input, the blue LED will turn on.
UNIVERSAL
Dolby DIGITAL / ANALOG
AUDIO CONVERTER
POWER D L/R COAX OPTICAL
1 2 3 4
5
1
2
3
4
5

4
6.2 Right Panel
OPTICAL IN
Connect to the audio source's optical output.
COAX IN
Connect to the audio source's coaxial output.
L/R IN
Connect to the analog audio source with a stereo RCA cable.
6.3 Left Panel
L/R OUT
Connect to a compatible audio equipment, such as a TV or
amplifier with a stereo RCA cable.
COAX OUT
Connect to an audio system's coaxial input.
OPTICAL OUT
Connect to an audio system's optical input.
1
2
3
1
2
3
1
2
3
1
2
3

5
6.4 Rear Panel
DC 5V
Connect the 5 V/1 A DC power supply to the unit and plug the
adaptor to an AC wall outlet.
INPUT SELECT
Selects the current audio source, either optical, coaxial or L/R
(Analog).
POWER
Push the button to turn the unit on or off.
1
2
3
1
2
3

6
7. CONNECTION DIAGRAM
Set-top Box DVD Player Blu-ray Player
TV AV Receiver AV Receiver
Analog
Stereo
Input
Power
Supply
Digital
Coaxial
Input
Digital
Optical
Input
UNIVERSAL
DolbyDIGI TAL / ANALO G
AUDIOCONVER TER
POW ER D L/R
COA X OP TIC AL
Analog
Stereo
Output
Digital
Coaxial
Output
Digital
Optical
Output