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Logic MBN51 Manual

Compatible with mercedes benz vehicles with ntg5-205 or ntg5.1 with 4pin hsd connector at the monitor
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Compatible with Mercedes Benz vehicles
with 4pin HSD connector at the monitor
Video-inserter for front- and rear-view camera
Product Features
• Video-inserter for factory-infotainment systems
• 1 CVBS Input for rear-view camera
• 1 CVBS Input for front camera
• 2 CVBS Video-inputs for after-market Video sources (e.g. USB-Player, DVB-T Tuner)
• Automatic switching to rear-view camera input on engagement of the reverse gear
• Automatic front camera switching after reverse gear for 10 seconds
• Activatable parking guide lines for rear-view camera (not available for all vehicles)
• Video-in-motion (ONLY for connected video-sources)
• Video-inputs NTSC and PAL compatible
Version 23.06.2020
MBN51
with NTG5-205 or NTG5.1
Comand Online
Audio20 CD
Audio20 USB
and two additional video inputs
HW CAM(V98)/(V52)

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Summary of Contents for Logic MBN51

  • Page 1 MBN51 Compatible with Mercedes Benz vehicles with NTG5-205 or NTG5.1 with 4pin HSD connector at the monitor Comand Online Audio20 CD Audio20 USB Video-inserter for front- and rear-view camera and two additional video inputs Product Features • Video-inserter for factory-infotainment systems •...

  • Page 2: Table Of Contents

    Contents 1. Prior to installation 1.1. Delivery contents 1.2. Checking the compatibility of vehicle and accessories 1.3. Connection Video-Interface 1.4. Settings of the 8 Dip switches (black) 1.4.1. Activating the front camera (Dip 1) 1.4.2. Enabling the interface’s video inputs (dip 2-3) 1.4.3.

  • Page 3: Prior To Installation

    Legal Information By law, watching moving pictures while driving is prohibited, the driver must not be distracted. We do not accept any liability for material damage or personal injury resulting, directly or indirectly, from installation or operation of this product. This product should only be used while standing or to display fixed menus or rear-view-camera video when the vehicle is moving, for example the MP3 menu for DVD upgrades.

  • Page 4: Checking The Compatibility Of Vehicle And Accessories

    1.2. Checking the compatibility of vehicle and accessories Compatibility Brand Compatible vehicles Compatible systems C-class (W205) til about 06/2018 C-class Coupé (C205) from about 2015 Command Online NTG5-205 GLC-class (X253) til MY2018 Audio20 CD NTG5-205 GT AMG (C190) Audio20 USB NTG5-205 V-class (W447) from 2014 A-class (W176) from 09/2015 til 04/2018 B-class (W246) from 11/2014 til 11/2018...

  • Page 5: Connection Video-Interface

    1.3. Connection Video-Interface The video-interface converts the connected after-market sources video signals into a digital RGB signal which is inserted in the factory monitor using separate trigger options. Furthermore, it reads vehicle’s digital signals out of the vehicle’s CAN-bus system and converts them for the video interface.
  • Page 6 1.4. Dip-switch settings (black) Some settings have to be selected by the dip-switches on the video interface. Dip position UP = OFF DOWN = Function ON (down) OFF (up) Front camera enabled* disabled Power supply +12V (max. 3A) when reverse output gear is engaged incl.

  • Page 7: Activating The Front Camera (Dip 1)

    1.4.1. Activating the front camera (dip 1) If set to ON, the interface switches for 10 seconds from the rear-view camera to the front camera input after having disengaged the reverse gear. In addition, a manual switch-over to the front camera input is possible via keypad (short press) from any image mode. Description of the power supply output: see chapter “Power supply output”.

  • Page 8: Installation

    2. Installation Switch off the ignition and disconnect the vehicle’s battery! The interface needs a permanent 12V source. If -according to factory rules- a disconnection of the battery has to be avoided, it should be sufficient to use the vehicle’s sleep-mode. In case, the sleep-mode doesn’t succeed, the battery has to be disconnected with a resistor lead.

  • Page 9: Connection Schema

    2.2. Connection Scheme Version 23.06.2020 HW CAM(V98)/(V52)

  • Page 10: Picture Signal Cable

    2.3. Connections to Head Unit Remove Comand Head-Unit. 2.3.1. Picture signal cable Connect the female waterblue coloured 4+2pin HSD connector of the picture signal cable to the male 4+2pin HSD LVDS connector of the interface-box. Disconnect the blue female 4pin HSD connector at the rear-side of the factory head unit and connect it to the purple coloured male 4pin HSD LVDS connector of the picture signal cable.

  • Page 11: Power And Can Connection

    2.3.2. Power and CAN connection Connect the 10pin power/CAN cable’s female 10pin connector to the 10pin connector of the interface Connect the single, yellow wire of the 10pin power/CAN cable to +12V permanent and stabile power supply. Connect the single, black wire of the 10pin power/CAN cable to the vehicle’s negative ground.

  • Page 12: Analog Power Supply For The Video Interface

    2.4. Analog power supply for the video interface If, after connecting the PNP harness, no interface LED lightens up while the ignition is turned on, the purple coloured wire Manual ACC of the 12pin interface cable has to be connected additionately to S-contact terminal 86s +12V (e.g.

  • Page 13: Power Supply Output

    2.5. Power supply output The red power supply output ACC/front cam out 12V (max 3A) can be used to power an external source and has a different assignment depending on the position of dip switch 1 (of the black 8 dips): Function Dip 1 ON +12V (max.

  • Page 14: Connecting Video Sources

    2.6. Connection of video sources It is possible to connect an after-market rear-view camera, an after-market front camera and two more AV sources to the video-interface. Before a final installation of the video sources, we recommend a test-run to ensure the compatibility of vehicle and interface.

  • Page 15: Audio Insertion

    2.6.1. Audio-insertion This interface is only able to insert video signals into the factory infotainment. If an AV- source is connected, the audio insertion has to be done by the factory audio AUX input or an FM-modulator. The inserted video-signal can be activated simultaneously to each audio- mode of the factory infotainment.

  • Page 16: After-Market Rear-View Camera

    2.6.3. After-market rear-view camera Some vehicles have a different reverse gear code on the CAN-bus which the video-interface is not compatible with. In this case there are two different ways of installation. If the video- interface is able to detect an enabled vehicle’s reverse gear, the green wire of the 6pin to 12pin cable should carry +12V while the reverse gear is engaged.
  • Page 17 2.6.3.2. Case 2: CAN-box does not receive the reverse gear signal If the video interface does not deliver +12V on the green wire of the 12pin cable when reverse gear is engaged (not all vehicles are compatible), an external switching signal from the reverse gear light is required.

  • Page 18: Connecting Video-Interface And External Keypad

    2.7. Connecting video-interface and keypad Connect the female 4pin connector of the keypad to the male 4pin connector of the 12pin interface cable. Note: Even if switching through several video sources by the keypad mightn’t be required, the invisible connection and availability is strongly recommended. Version 23.06.2020 HW CAM(V98)/(V52)

  • Page 19: Picture Settings And Guide Lines

    Picture settings and guide lines The picture settings are adjustable by the 3 push-buttons on the video-interface. Press the MENU button to open the OSD settings menu or to switch to the next menu item. Press UP and DOWN to change the selected value. The buttons are placed inside in the housing to avoid accidental changes during or after the installation.

  • Page 20: Interface Operation

    3. Interface operation 3.1. By vehicle-buttons Depending on the vehicle type, the video sources are switched via different vehicle buttons • „Navi“ or „Menu“ button A long press of the NAVI button or the Menu button switches the input from factory mode to the inserted video sources.

  • Page 21: Specifications

    3.2. By keypad Alternatively or additionally to the factory infotainment buttons, the interface’s external keypad can be used to switch the enabled inputs. Even if not needed, the keypad should always remain connected to the video interface for support purposes. ➢...

  • Page 22: Faq - Trouble Shooting

    FAQ – Trouble shooting Interface functions For any troubles which may occur, check the following table for a solution before requesting support from your vendor. Symptom Reason Possible solution Not all connectors have been reconnected to factory head- Connect missing connectors. unit or monitor after installation.

  • Page 23: Technical Support

    Symptom Reason Possible solution Camera input picture Use relay or electronics to "clean" reverse gear lamp black. Camera power taken directly power. Alternatively, if CAN-bus box is compatible Camera input picture from reverse gear lamp. with the vehicle, camera power can be taken from green wire of 6pin to 8pin cable.

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