Gentec CHA User manual

CHA
HDMI Audio Splitter/De-embedder 1x2
All Rights Reserved
Version: HDMI Audio Splitter 2013V1.3
User Manual

HDMI Audio Splitter/De-embedder 1x2
NOTICE: Please read this user manual carefully before using this product.
Update History
Version Date Update Content
1.0 2013.01.04 First version.
1.1 2013.05.27 Modified the system diagram.
1.2 2013.07.05 Modified the product figures.
1.3 2013.07.13 Added the application solution.
This manual is for operation instruction only, not for any maintenance usage. The
functions described in this version are updated till July 2013. Any changes of
functions and parameters since then will be informed separately. Please refer to the
dealers for the latest details.
All rights reserved. No part of this publication may be copied or reproduced without
permission.
All product function is valid till 2013-07-05.

HDMI Audio Splitter/De-embedder 1x2
Table of Contents
1. Introduction.............................................................................................................1
1.1. Introduction to the HDMI Audio Splitter .......................................................1
1.2. Features......................................................................................................1
1.3. Package Contents.......................................................................................1
2. Product Appearance of the HDMI Audio Splitter .....................................................1
3. System Connection ................................................................................................2
3.1. Usage Precautions......................................................................................2
3.2. System Diagram .........................................................................................2
3.3. Connection Procedure ................................................................................3
3.4. System Applications....................................................................................3
4. Application Solution................................................................................................3
4.1. System Diagram .........................................................................................3
4.2. Product Assortment.....................................................................................4
5. Specification ...........................................................................................................5
6. Panel Drawing ........................................................................................................6
7. Troubleshooting & Maintenance .............................................................................6
8. Safety Operation Guide..........................................................................................7
9. After-sales Service .................................................................................................8

HDMI Audio Splitter/De-embedder 1x2
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1. Introduction
1.1. Introduction to the HDMI Audio Splitter
The HDMI Audio splitter is a high-quality HDMI audio splitter/de-embedder, with 1 HDMI
and 1 split stereo audio output, HDCP compliant and HDTV compatible.
The antistatic case design of the HDMI Audio splitter provides good protection for stable
performance, and its transmission resolution ups to 1920*1200@60Hz.
1.2. Features
De-embed and split the HDMI audio to two different formats output (1 video output, 1
audio output).
HDCP compliant, use HDMI 1.3 standard.
HDTV compatible with High Definition Transmission up to 1920*1200@60Hz
resolution (max).
Antistatic case design to provide good protection for long-term and stable
performance.
1.3. Package Contents
1 x HDMI Audio Splitter
1 x Power Adapter (DC 5V)
2 x Mounting Ears (Separated from the HDMI Audio splitter)
1 x Audio cable (3.5mm mini jack to 2 RCA connectors for L&R audio channels)
4 x Screws
1 x User Manual
Notes：Please confirm if the product and the accessories are all included, if not, please
contact with the dealers.
2. Product Appearance of the HDMI Audio Splitter

HDMI Audio Splitter/De-embedder 1x2
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①HDMI IN: HDMI input port, used to connect to an HD video source device, such as a
DVD player, a computer etc.
②5V: Used to access with a DC 5V power adapter.
③Power Indicator: It turns red when power on.
④HDMI OUT: HDMI output port, used to connect to a display device, such as HDTV.
⑤AUDIO OUT: Stereo audio output port, used to connect with an audio amplifier, such
as a speaker.
3. System Connection
3.1. Usage Precautions
1) System should be installed in a clean environment and has a prop temperature and
humidity.
2) All of the power switches, plugs, sockets and power cords should be insulated and
safety.
3) All devices should be connected before power on.
3.2. System Diagram

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3.3. Connection Procedure
1) Connect HDMI IN port of the HDMI Audio splitter with HDMI source device, such as
a DVD player.
2) Connect HDMI OUT port of the HDMI Audio splitter with display device, such as an
HDTV.
3) Connect AUDIO OUT port of the HDMI Audio splitter with a speaker or earphone etc.
4) Connect 5V DC port of the HDMI Audio splitter with a DC 5V power adapter.
3.4. System Applications
As its good performance in control and transmission, the HDMI Audio splitter can be
widely used in computer realm, monitoring, large screen displaying, conference system,
television education and bank securities institutions etc.
4. Application Solution
4.1. System Diagram

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4.2. Product Assortment
①
①①
①HDMI twisted pair extender
70m transmission distance in max over single CAT5e/CAT6 cable.
Support 1080P@60Hz,48b/pixels,3D & 4Kx2K.
Bi-directional and simultaneous RS232 & IR control.
②
②②
②HDMI splitter 1x2
HDCP compliant, support 3D.
Supports Extended Display Identification Data (EDID) and Display Data Channel
(DDC).
HDTV compatible with High Definition Transmission resolution up to
1920*1200@60Hz (max), support 1080P.
Built-in gain compensation technique and synchronous signal proofread technology.
③
③③
③HDMI selection switcher 4x1
4 HDMI inputs and 1 HDMI output.
Supports Extended Display Identification Data (EDID) and Display Data Channel
(DDC).
HDTV compatible with High Definition Transmission resolution up to
1920*1200@60Hz (max).
Built-in gain compensation and synchronous signal proofread technology.
④
④④
④Digital amplifier
2x20Watt@4Ohm power as default output power.
Bridge connection to double the output power at 1x40Watt@8Ohm.
48V phantom power to support condenser microphone.
MIC port can support balance/unbalance signal, suppress the external noise
effectively.

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5. Specification
Video Input Video Output
Input 1 HDMI Output 1 HDMI
1 Stereo Audio
Input
Connector HDMI 1.3 Output Connector
HDMI 1.3
3.5mm jack
Input
Level T.M.D.S. 2.9V/3.3V Output Level T.M.D.S. 2.9V/3.3V
Input
Impedance 50ΩOutput Impedance 50Ω
Video General
Gain 0 dB Bandwidth 6.75 Gbit/s
Video
Signal
T.M.D.S signal
HDMI 1.3
Maximum
Pixel Clock 165MHz
Resolution
Range
Up to 1920 x 1200 or
1080P@60Hz
Delay
Time 5nS (±1nS)
CMRR >90dB @20Hz~20K Hz
Consumer
Electronics
Control
Supports CEC wired infrared data pass-through using the HDMI
1.3 standard.
HDCP
Management
Compliant with High-bandwidth Digital Content Protection (HDCP)
using DVI and HDMI 1.3 standards.
Audio General
Frequency
Response 20Hz ~ 20KHz CMRR >70dB@20Hz~20KHz
SNR 80dB (max) Bandwidth 20Hz ~ 25KHz
Stereo
Channel
Separation
>75dB@20Hz ~
20KHz THD + Noise 1%@1KHz, 0.3%@20KHz
General
Power Supply 100VAC ~ 240VAC,
50/60Hz
Power
Consumption 3W
Temperature -20 ~ +70℃Humidity 10% ~ 90%
Case
Dimension
W69 x H28 x D52.5
mm
Product
Weight 0.1Kg

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6. Panel Drawing
7. Troubleshooting & Maintenance
1) If the POWER indicator doesn’t work or no respond to any operation:
The power adapter is not connected with alternating current power.
The power switch is not on.
2) When there is no output signal:
Check if the audio/video connector is broken (check with multimeter or oscilloscope).
Check if the audio/video connector is well connected.
Check if the source device/display device is powered on and turned on.
3) When the output image is blurred:
Check if the video cables are in bad connection.
Maybe the video cables are in bad quality.
4) If the static becomes stronger when connecting the audio or video connectors, it
probably due to bad grounding, please check the grounding and make sure it
connected well, otherwise it would damage the converter.

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8. Safety Operation Guide
In order to guarantee the reliable operation of the equipments and safety of the staff,
please abide by the following proceeding in installation, using and maintenance:
1) The system must be earthed properly. Do not use two blades plugs and ensure the
alternating power supply ranged from 100v to 240v and from 50Hz to 60Hz.
2) Do not put the device in a place of too hot or too cold.
3) As the power generating heat when running, the working environment should be
maintained fine ventilation, in case of damage caused by overheat.
4) Cut off the general power switch in humid weather or left unused for long time.
5) Before following operation, ensure that the alternating current wire is pull out of the
power supply:
Take off or reship any components of the equipment.
Take off or rejoin any pin or other link of the equipment.
6) As to non-professional or without permission, please DO NOT try to open the
casing of the equipment, DO NOT repair it on your own, in case of accident or
increasing the damage of the equipment.
7) DO NOT splash any chemistry substance or liquid in the equipment or around.

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9. After-sales Service
1) If there appear some problems when running the HDMI Audio splitter, please check
and deal with the problems reference to this user manual. Any transport costs are
borne by the users during the warranty.
2) You can email to our after-sales department or make a call, please tell us the
following information about your cases.
Product version and name.
Detailed failure situations.
The formation of the cases.
3) We offer products for all three-year warranty, which starts from the first day you buy
this product (The purchase invoice shall prevail).
4) Any problem is same with one of the following cases listed, we will not offer warranty
service but offer for charge.
Beyond the warranty.
Damage due to incorrectly usage, keeping or repairing.
Damage due to device assembly operations by the maintenance company
non-assigned.
No certificate or invoice as the proof of warranty.
The product model showed on the warranty card does not match with the model
of the product for repairing or had been altered.
Damage caused by force majeure.
5) This document is just a user manual released with the product, not a quality
guarantee. Any corrections or new function introductions added, we will update this
document without further notice.