Altinex SC206-204 User manual

SC206
SC206SC206
SC206-
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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
1
Welcome!
We greatly appreciate your purchase o the SC206-204/205 Passive
Unbalanced to Balanced Audio Adapter. We are sure you will ind it reliable
and simple to use. Superior per ormance or the right price, backed by solid
technical and customer support is what ALTINEX has to o er.
We are committed to providing our customers with
Signal Management Solutions
®
to the most demanding audiovisual
installations at very competitive pricing and we welcome you to join the
ranks o our many satis ied customers throughout the world.
1. Precautions and Safety Warnings
Please read this manual care ully be ore using your SC206-204/205. Keep this
manual handy or uture re erence. These sa ety instructions are to ensure
the long li e o your SC206-204/205 and to prevent ire and shock hazards.
Please read them care ully and heed all warnings.
1.1 General
•Quali ied ALTINEX service personnel or their authorized
representatives must per orm all service.
1.2 Installation Precautions
•To prevent ire or shock, do not expose this unit to water or moisture.
Do not place the SC206-204/205 in direct sunlight, near heaters or
heat-radiating appliances, or near any liquid. Exposure to direct
sunlight, smoke, or steam can harm internal components.
•Handle the SC206-204/205 care ully. Dropping or jarring can cause
damage.
•Do not pull any cables that are attached to the SC206-204/205.
•Insert the card care ully into the slots o the MultiTasker without
bending any edges.
1.3 Cleaning
•Clean only the connector area with a dry cloth. Never use strong
detergents or solvents such as alcohol or thinner. Do not use a wet cloth
or water to clean the card. Do not clean or touch any component or
PCB.
1.4 FCC Notice
•This device complies with Part 15 o the FCC Rules. Operation is
subject to the ollowing two conditions: (1) This device may not cause
harm ul inter erence, and (2) this device must accept any inter erence
received, including inter erence that may cause undesired operation.
•This equipment has been tested and ound to comply with the limits or
a Class A digital device, pursuant to Part 15 o the FCC Rules. These
limits are designed to provide reasonable protection against harm ul
inter erence when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio
requency energy and, i not installed and used in accordance with the
instructions ound herein, may cause harm ul inter erence to radio
communications. Operation o this equipment in a residential area is
likely to cause harm ul inter erence in which case the user will be
required to correct the inter erence at his own expense.
•Any changes or modi ications to the unit not expressly approved by
ALTINEX, Inc. could void the user’s authority to operate the
equipment.
2. Installation Procedures
Step 1. Connect the input side o the SC206-204/205 to the output o the audio source. The audio source could be a sound card, VCR, DVD player, etc.
Step 2. Wire the audio cables rom the receiving device (ampli ier, speakers, etc.) to the terminal block connectors provided with the unit.
Step 3. Connect the terminal block connector to the output o the SC206-204/205.
Step 4. The adapter is now operational. Veri y the sound quality on the receiving end is equivalent to the input source.
3. Limited Warranty/Return policies
Please see the ALTINEX website at www.altinex.com or details on warranty and return policies.
AUDIO IN
SC206-204 SC206-205
LOOP OUT
RIGHT IN (RED)
LEFT IN (WHITE)
LEFT AUDIO+
LEFT AUDIO-
AUDIO COMMON
RIGHT AUDIO+
RIGHT AUDIO- CABLE TIES
AUDIO OUTPUT
SC206-204
SC206-205
and

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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
2
4. Technical Specifications
Speci ications are subject to change. See www.altinex.com or up-to-date in ormation.
Features/Description SC206-204/205
Inputs
SC206-204 3.5 mm male (1)
SC206-205 RCA male (2)
Outputs
SC206-204 Main Output 5-pin terminal block (1)
SC206-204 Local Output 3.5 mm female (1)
SC206-205 5-pin terminal block (1)
Compatibility
SC206-204 Standard PC Application
SC206-205 or Home Theater
Accessories Included
Output mating connector 5-pin terminal block (1)
Table 1. SC206-204/205 General
Mechanical SC206-204/205
Material FP-301 tubing
Color Clear
Height 0.8 in (20 mm)
Width 1.3 in (33 mm)
Depth 2.5 in (64 mm)
Weight 0.2 lb (0.1 kg)
Shipping Weight (approx.) 0.6 lb (0.3 kg)
T°Operating 10°C to 40°C
T°Maximum 0°C to 50°C
Humidity 90%non-condensing
MTBF (calculations) 40,000 hrs
Table 2. SC206-204/205 Mechanical
Electrical SC206-204/205
Input Signals
Impedance 600 Ω
Max Level 3 dBu
Output Signals
Gain* 0 dB +/- 0.3 dB
Impedance 600 Ω
Response 200 Hz-15 kHz
Max Power 100 mW
Table 3. SC206-204/205 Electrical
*
The gain is as measured at the ou
tput o a high impedance di erential
receiver.

SC206
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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
3
5. About Your SC206-204/205
The SC206-204 and SC206-205 are audio adapters that convert unbalanced audio signals to balanced audio. The converted signals provide better sound quality
and greatly reduce noise over long transmission lengths. Both units are passive devices and may be used to convert balanced signals to unbalanced signals as well.
The SC206-204 is designed to convert a standard computer audio output to balanced audio. It has excellent bandwidth and is ideal or most commercial-user
applications. Since the SC206-204 is a passive device, there is no need or an external power source. Simply make the audio connections and it is ready to go.
The SC206-205 is also a passive device and is designed to convert unbalanced audio output rom computers, DVD players, VCRs, etc. to balanced audio. The
SC206-205 possesses superior bandwidth, and is per ect or home theaters and marketing/sales presentation applications.
SC206-204
SC206-205
LEFT AUDIO
(WHITE WIRE)
(RED WIRE)
RIGHT AUDIO
RIGHT AUDIO-
RIGHT AUDIO+
AUDIO COMMON
LEFT AUDIO-
LEFT AUDIO+
CABLE TIES
LEFT AUDIO-
LEFT AUDIO+
CABLE TIES
RIGHT AUDIO-
RIGHT AUDIO+
AUDIO COMMON
LOOP OUTPUT
AUDIO INPUT
OUTIN
IN OUT

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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
4
6. Application Diagrams
Diagram 1: Typical Setup
SC206-204
SC206-205
COMPUTER
DVD PLAYER
LOOP OUT

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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
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Diagram 2: Internal View
-
+
RIGHT-
RIGHT+
+
-
LEFT+
LEFT-
RIGHT
LEFT
XFMR
XFMR
SC206-204
LEFT
RIGHT
XFMR
SC206-205
XFMR
LEFT-
LEFT+
-
+
RIGHT+
RIGHT-
-
+
LEFT
RIGHT
INPUT
LOOP OUT
INPUT OUTPUT
OUTPUT

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-204/205 Passive Audio Adapters
204/205 Passive Audio Adapters204/205 Passive Audio Adapters
204/205 Passive Audio Adapters User’s Guide
400-0471-004
6
7. Operation
The SC206-204/205 requires no adjustments or optimum per ormance.
Once set up, the SC206-204/205 will work trouble- ree without user
intervention.
8. Troubleshooting
We have care ully tested and ound no problems in the supplied
SC206-204/205. However, we would like to o er suggestions or the
ollowing:
8.1 No Remote Sound
Cause 1: The source has a problem.
Solution: Connect the output o the PC directly to the speakers and
veri y the quality is good. I the sound is good, see Cause 2.
Cause 2: The cable connections are wrong.
Solution: Veri y the input o the SC206-204/205 is connected to the
output o the source and that the output is properly wired to
the receiving device.
Solution 2: Remove the SC206-204/205 rom the setup, but connect the
source to the receiver using all the same cables.
Solution 3: I there is still no sound, there may be a problem with the
SC206-204/205. Please call ALTINEX at [phone].