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Key Digital hdmi no signal front and rear view
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Example Diagram showing multiple devices connected to the HDMI no signal

KD-FIX418A-2

HDMI Connectivity Fixer with Audio De-Embedding and Down-convert

  • HDMI signal repair, re-generation, boosting, and optional 4K to 1080p down-conversion.

  • Provides EDID handshake and HDCP authentication to connected HDMI sources

  • De-embeds audio for ease of integration with audio systems

  • Supports 4K HDMI signals up to 18Gbps with HDR, HDCP 2.2, and surround audio up to Dolby® 7.1, Atmos / DTS-HD

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overview
resources
specS & accessories

introduction

KD-FIX418A-2 is a 4K 18G HDMI connectivity repair and audio de-embedding solution. It is designed for HDMI signal correction, extension, and coupling in all AV applications.

Analog and digital audio de-embedding is facilitated through 3.5mm analog stereo and optical digital connectors to enable integration of HDMI-only audio sources into distributed audio systems, audio DSPs, amplifiers, or sound bars.

EDID handshake management

The KD-FIX418A-2 provides EDID authentication to the connected input/source. The EDID rotary aids selection of the EDID file (AKA “handshake”) on the unit.

The EDID file provides a list of compatible video and audio formats as well as digital data. This informs the source device what it should output.

Adjustments may speed up sync time during source selection.

Forced hot plug detection

Hot-plug detection (HPD) may be lost in cases of many layers of connectivity or non-standard devices in-line. This leads to the video source not detecting a display/sync device and not outputting a signal.

With the help of the Forced HPD troubleshooting tool, the Hot Plug Detection voltage is fixed ON to the connected source. This informs the HPD that it always has a live sync/display to receive its signal.

Optional 4K to 1080p down-conversion

When set to ON, KD-FIX418A-2 will down-convert incoming 4K content to 1080p. All non-4K incoming content passes through without resolution conversion.

Versatile Video Support with HDR Enhancement

KD-FIX418A-2 supports several SD, HD, VESA, and Ultra HD 4K video standards. It also includes HDR header information in many built-in 4K EDID handshakes to optimize the viewing experience.

Features

  • HDMI Correction: Resolves common HDMI integration obstacles related to Hot Plug Detection, EDID handshaking, HDCP authentication, and bandwidth

  • Audio De-embedding: HDMI input audio is de-embedded on an analog 3.5mm stereo and digital optical connector

  • 4K to 1080p Down Convert: When enabled, resolution conversion is applied to individual outputs(s) based on EDID from the connected display

  • Digital Audio Format Support: DTS-HD Master Audio™, DTS:X®, Dolby® TrueHD, Dolby Atmos®

  • ARC Pass-thru: From connected ARC supported display to connected ARC supported HDMI source

  • CEC Pass-thru: From connected display to selected HDMI source

Additional Features

  • Ultra HD/4K: Supports up to 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)

  • HDCP Licensing: Fully licensed and compatible with HDCP 2.2

  • HDR10 and Dolby Vision: More life-like images through a greater range of luminance levels

  • Resolution Support: Supports all SD, HD, and VESA (VGA, SVGA, XGA, WXGA, SXGA, UXGA) up to 4096x2160p

  • Deep Color Support: Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit

  • Full Buffer System™: Manages TMDS re-clocking / signal re-generation, HDCP authentication to source & display, Hot Plug management, and EDID control handshake

  • EDID Management: Internal library with 15 internal EDID handshakes including 4K with HDR in addition to native EDID data copied from the output/display  

downloads

Operation Manual
Hires Photos

specifications

Technical:

  • HDMI Input (Each): HDMI Connector, Type A, 19 Pin Female

  • HDMI Output: HDMI Connector, Type A, 19 Pin Female

  • HDMI Bandwidth: TMDS bandwidth 18Gbps

  • DDC Signal (Data): Input DDC Signal - 5 Volts p-p (TTL)

  • HDMI Video/Audio Signal: Input Video Signal - 1.2 Volts p-p

  • 3.5mm Stereo Audio Output: Line level audio on TRS connector. Drives 1 VRMS line audio output with a sampling rate of 48kHz

  • Analog Audio Max Output Level: 4dBu on 150kΩ, DC coupling

  • Optical Digital Audio Output: Follows SPDIF format (IEC 60958). Supports sampling rate up to 192KHz.

  • Max Output Level: 1Vpp on 75Ω, DC coupling

  • Audio Bandwidth: 20Hz to 20kHz @ 0dBu

  • TND + Noise: 0.33% @0dBu @ 1kHz

  • Power Supply: 5V/1A (5W) DC power jack, screw-in type. Model SK01T-0500100Z


General:

  • Regulation: CE, RoHS, WEEE, EAC

  • Enclosure: B lack metal

  • Power Supply: USB to micro USB cable (power adapter not included)

  • Product: 3.78” x 2.52” x 0.93” (94 x 64 x 23.5 mm), Weight: 5.4 oz (152 g)

  • Packaging: 7.4” x 5.35” x 3.14” (188 x 136 x 80 mm), Weight: 16 oz (453 g)

accessories

  • Power Supply: 5V/1A (5W) DC power jack, screw-in type. Model SK01T-0500100Z

  • Mounting: 2x L-bracket

technical documents

Operation Manual
Hires Photos

specifications

Technical:

  • HDMI Input (Each): HDMI Connector, Type A, 19 Pin Female

  • HDMI Output: HDMI Connector, Type A, 19 Pin Female

  • HDMI Bandwidth: TMDS bandwidth 18Gbps

  • DDC Signal (Data): Input DDC Signal - 5 Volts p-p (TTL)

  • HDMI Video/Audio Signal: Input Video Signal - 1.2 Volts p-p

  • 3.5mm Stereo Audio Output: Line level audio on TRS connector. Drives 1 VRMS line audio output with a sampling rate of 48kHz

  • Analog Audio Max Output Level: 4dBu on 150kΩ, DC coupling

  • Optical Digital Audio Output: Follows SPDIF format (IEC 60958). Supports sampling rate up to 192KHz.

  • Max Output Level: 1Vpp on 75Ω, DC coupling

  • Audio Bandwidth: 20Hz to 20kHz @ 0dBu

  • TND + Noise: 0.33% @0dBu @ 1kHz

  • Power Supply: 5V/1A (5W) DC power jack, screw-in type. Model SK01T-0500100Z


General:

  • Regulation: CE, RoHS, WEEE, EAC

  • Enclosure: B lack metal

  • Power Supply: USB to micro USB cable (power adapter not included)

  • Product: 3.78” x 2.52” x 0.93” (94 x 64 x 23.5 mm), Weight: 5.4 oz (152 g)

  • Packaging: 7.4” x 5.35” x 3.14” (188 x 136 x 80 mm), Weight: 16 oz (453 g)

accessories

  • Power Supply: 5V/1A (5W) DC power jack, screw-in type. Model SK01T-0500100Z

  • Mounting: 2x L-bracket

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