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  1. #11
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    Sorry I did reset the head unit, several times and tried wiriting the garmindev.xml onto several cards, all to no avail.
    Perhaps if I could donwload the one mentioned i.e. 2013.20 EU, successfully, then I maybe could try writing that again, at least I would be able to see if there were any additional files written to the SD.
    I'm sure the fact that the icons on the screen and status bar are missing is related to the current map / internal memory, perhaps getting corrupted, but I do not know how that can be access to remove what is on there and start over again, other than perhaps by downloading the original files.

    For fun, I even copied the garmion folder and it's contents to a fat32 formatted 16gb USB stick, and ran the GE update tool again this time using the usb stick and not the sd card, exactly the same, i.e failed to download the update.

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  3. #12
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    Again i didn't (couldn't) see the following post you made which went to moderation. The two posts have now been merged but my previous reply was only made in response to the first one [2nd one was approved and merge done by Mod AFTER i replied].

    So to be absolutely clear - you're yet to successfully download the 2013.20 map because GE gives you the red banner "There was an error installing the update" when attempting to re-download it?

  4. #13
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    Yes that is correct, unable to download using garminexpress.

    I 'may' have made some progress, I found the Kenwood service manual for a similar model head unit, in the schematic, it showed an SD card slot and also an Micro SD slot.
    this got me wondering whether the head unit has an internal SD card slot, so in desperation, I removed the head unit from the truck, and took of the lid.
    After removing the dvd drive, there beneath it is a Sandisk 8gb SD card.
    I've removed the card, and tried to image it using Win32diskimager, it failed saying unable to read the card.
    In Windows, I can see the files on the card, it's similar to how I built the external sd card, with similarly named files etc.
    I've tried manuall copying each file into a folder on the PC and several of them fail to copy, importantly, two that fail are GMAPBMAP.IMG and GMAPSUPP.IMG, which I guess is why in system menu, it is showing base map and detail map as missing.

    I've tried running windows disk checker and it says the drive is ok.
    I have nothing to lose, so after lunch, I am going to try and make a new card, using all the files off the one I removed from inside the head unit, but not the files that I cannot copy, i'll replace those with the ones I downloaded earlier and see if that helps, failing that, i'll have to try and find someone else with the same head unit, and try and image their card to rebuild mine with their image.

    I don't want to change or modify the card I removed from inside the head unit at this stage just in case there is something on there that is vital, such as a serial number or ID code etc.

    Ok, Further update, the card from inside the head unit is partitioned into two partitions, a small fat 10kb partition, and a larger 7.8gb ex-fat partition.
    I took a Kingston 8gb SD card, and using windows created two new partitions on it identical to the ones on the Sandisk internal card I removed.
    Then copied the Garmin folder and contents from the original card small partition onto the Kingston small partition.
    I then repeated the process on the larger partition, leaving off the files I couldn't copy which were a couple of vehicle images, and the GMAPBMAP.IMG and GMAPSUPP.IMG files and another file call Diag with 0 bytes size.
    I then used the GB & ROI file I downloaed, renamed it to gmapsupp.img and the basemap I downloaded gmapbmap.img, copied those to the new Kingston sd card in the garmin folder on the big partition.
    Ejected the card, put it back insid ethe head unit, reassembled it and switched on ..........
    I now get maps and icons :-), routing works and I get voices outut to the speakers, so it looks like it is all working.
    I am now going to remove the internal card again and create a full image of the entire card for safekeeping, then I can try and get junction view and speed cameras working.

    Butters, thank you so much for sticking with me on this project, you have helped immensley, i'll do a final update when I have got speedcameras and junction view working :-))))
    Last edited by ffrlr; 21st May 2020 at 02:45 PM.

  5. #14
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    Ok, well i'm now struggling with junction view and speedcameras too!
    Managhed to find a couple of UK speedcamera files, .gpi format, copied them to an SD card, in the garmin\POI folder.
    How the heck do I get them top show on a map? I cannot see them when I look in the location where I know there are cameras.
    Same with junction view, I think I have the correct file D2504280A.jcv it's in the garmin\JCV folder, but I have never seen it display.
    When I look in system config for the head unit, Base ma, Detail Map and jucntion view are now all displaying correct versions, but I cannot see them on the
    screen?

  6. #15
    iGO Moderator Kenwood DNX4230DAB missing SD card
    Kenwood DNX4230DAB missing SD cardKenwood DNX4230DAB missing SD cardKenwood DNX4230DAB missing SD cardKenwood DNX4230DAB missing SD cardKenwood DNX4230DAB missing SD cardKenwood DNX4230DAB missing SD card
    Boki_Srb's Avatar
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    I don't know about this one, but not all devices support all the features.

    Use unlocked:
    [Only registered and activated users can see links. ]
    Before asking a question, know it's already discussed here and at 99.9% is not unique. Use search.
    NO ONE IS A SEER, READ (click on): [Only registered and activated users can see links. ] <- Click!
    [Only registered and activated users can see links. ] <- Click!

    Spoiler: obs
    Many questions become very arduous, a lot of time chewed deja vu...Since we have lost all the year of work and effort, many people have no will to answer the same questions again. Me neither. Use a search, please.

  7. #16
    Master Butters's Avatar
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    Quote Originally Posted by ffrlr View Post
    Yes that is correct, unable to download using garminexpress.
    Then i'd conclude that's due to some corruption or incorrect info on the GarminDevice.xml file. It's ONLY that file from which GE gets the information (a) about your device; and (b) whether it has an entitlement to download; and (c) which files, both map and additional files like JCV etc., to write to the SD Card.

    Now about this, which is indeed progress although as explained below you shouldn't have had to do it to use newer maps:
    I 'may' have made some progress, I found the Kenwood service manual for a similar model head unit, in the schematic, it showed an SD card slot and also an Micro SD slot.
    ........................
    I've tried manuall copying each file into a folder on the PC and several of them fail to copy, importantly, two that fail are GMAPBMAP.IMG and GMAPSUPP.IMG, which I guess is why in system menu, it is showing base map and detail map as missing.
    Inability to copy a file (not marked 'read only') is likely an indication that the file is badly corrupt. I'd suggest you try to open the original gmapbmap.img and gmapsupp.img directly from the microSD using GMapTool (linked earlier in Post #2) and see if the tool reports any error or can even open them at all.

    I've tried running windows disk checker and it says the drive is ok.
    By 'drive' you mean the microSD i suppose. That tool chkdsk is looking for physical problems such as bad blocks rather than file corruption. Although file corruption can be caused by physical damage on the underlying media it actually doesn't happen the other way around in practice.

    Ok, Further update, the card from inside the head unit is partitioned into two partitions, a small fat 10kb partition, and a larger 7.8gb ex-fat partition. .......
    It's great that you tried that and it worked but you shouldn't have had to do it. The way this type of Kenwood uses mapping data updates is different to the DNX9990HD and others mentioned predominantly in the thread you linked in Post #9. They update by copying the new maps etc from the external SD card onto the unit's internal flash memory which is eMMC (MultiMediaCard, abbreviated MMC, is basically an early form of the SD card. An eMMC is one soldered directly to the PCB). You device is different to ones like the 9990HD in two ways: (i) it has a removable microSD rather than an eMMC to hold the original factory loaded navigation files; and (ii) those original files on your internal microSD are ignored when later files are added on the external SD card. The device looks first at the external card on startup of the nav function and if there's no usable files there it should default to using the factory files on the internal microSD. They are the devices such as DNX7230DAB mentioned in that other thread as running files directly from S\external SD. The 7230DAB uses exactly the same firmware as your 4230DAB:
    Code:
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    Which raises another point, did you check that the firmware is up to date before running GE? I think GE will look for that and the SD card won't get updated maps etc. if the firmware listed in the XML file is old. You should be running V1.12.0.

    ..........
    I now get maps and icons :-), routing works and I get voices outut to the speakers, so it looks like it is all working.
    ...........
    Yes, the caveat is that it seems not to be reading properly from the external SD card. Can the unit play MP3 files from the external card?

    Quote Originally Posted by ffrlr View Post
    Ok, well i'm now struggling with junction view and speedcameras too!
    ...........
    Same with junction view, I think I have the correct file D2504280A.jcv it's in the garmin\JCV folder, but I have never seen it display.
    When I look in system config for the head unit, Base ma, Detail Map and jucntion view are now all displaying correct versions, but I cannot see them on the
    screen?
    That's certainly the correct JCV file for the EU NT 2020.20 map. There are [basically] 2 types of JCV file, the one you have uses SVG images. The other type, usually associated with EU NTU (unicode) mapping uses Raster images. If indeed your device can use the SVG type of JCV file and can be put into navigation simulation mode, just simulate a route from the center of London to Manchester (just use the city names only for start and destination) and scroll thru the route. If you have the correct JCV file for the device it will show several Views on that route.

  8. #17
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    Oh, it was definately the internal SD card that was corrupt, in fact I thik it is physically damaged.
    After getting it all working with a new Kingston 8GB card, i've just tried to open the GMAPBMAP.IMG and GMAPSUPP.IMG files in the Gmaptool as you suggested and it will not open them at all.

    So, i've then tried to format the original internal SD card in windows, it fails to format the larger partition contnually reports crc error.
    I then tried to format it in Linux, that too fails, I used gparted to remove the partitions and then tried to create a single partition and reformat that, gparted will not write the new partition table to the card.

    I did as you said, route from my home to London, and junction view does work, I was expecting it to show junction images at more junctions (minor road junctions) , I guess, but when on a motorway, or dual carriageway, then they are shown.

    No joy with speedcameras, I downloaded the file Boki_Srb suggested, copied the UK cameras into the Garmin\POI folder, but they don't show up on the map, nor when I simulate the route do I see them.
    I'll have to play some more today and see if I can progress them.

    I am wondering if I remove the detail map from the internal SD card, then put the unit back together, if I can copy the city navigator map and he POI's to a second SD card and keep that in the front SD card slot.
    It would make changing the maps easier in future.

    I am sure the issues I had originally were all down to the internal SD card being damaged / corrupt, since re-creating the internal card, everything has worked perfctly, the icons and symbols have all come back which were missing on the original card.

    Yes, before I embarked on this journey, I updated the nav software to 1.12.0
    I tried to put some audio files on the external SD card, the media player doesn't seem to access the SD, only files on the USB stick, I think that the SD card on the front is just for maps.

    =====================================================

    Hi,

    I did post a quick reply earlier this morning, but it doesn't seems to have shown up yet.
    I've removed the GMAPSUPP.IMG from the internal SD card, but left the base map on there, also removed the JCV folder.
    Now without the external SD card in, all I am seeing is the base map with major roads.
    On the external SD card, I have a 'garmin folder', with the GMAPSUPP.IMG for the UK, inside that, a 'voices' folder with a few additional unlocked voices, a 'POI' folder with the UK speedcamera .gpi file Boki_Srb suggested, along with a few other .gpi files for supermarkets and camp grounds etc and a 'vehicle' folder with a few additional cars and finally the JCV folder with the junction view file.

    Runing the navigator app on the headunit without the externmal card installed, I am only seeing major roads :-), I then insert the external SD card and it displays loading maps..., then once that is complete, I see the UK detailed maps :-) so it is reading the external front sd card, simulating a route, once on a motorway or dual carriageway, I am seeing the junction view :-)

    But, I cannot see any of the poi's, do I have to enable them somewhere within the menu's? I also am unable to select any of the voice files that I copied into the voices folder or any of the vehicles.

    In case the earlier reply didn't get through, yes, I did update the firmware in the head unit to 1.12.0 before this journey started, in case that was the reason it didn't work initially.

    The original internal SD card is definately damaged, I am unable to reformat it in either Windows or Linux, nor can I repartition it in either OS.


    Just following on from the above, I've moved the entire POI and Vehciles folders, from the external SD car onto the internal one along with the contents of the voices folder.
    Now, when I restart the unit I am able to go into categories, POI's and select custom, I can see the supermarkets etc that I couldn't with the files on the external SD card.
    Same with the vehicles and voices, I am now able to select them, but couldn't when they were on the external card.
    Not sure about speed cameras yet I am not able to view them on the map, there are several close to me here, they are showing in the .gpi file when I have conerted it to a .csv I am able to see them, but cannot on the Kenwood map shown on the head unit.

    Are they normally visible on the screen of the unit when viewing the map?
    Last edited by Boki_Srb; 22nd May 2020 at 08:15 AM. Reason: approved, merged two posts

  9. #18
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    It seems most of your problems are sorted one way or another, except your 'speed cam' question. In navigation mode (actual or simulated) you should get a screen and audible warning as you approach them. I think that Cyclops safety cams would work in your device, one way to be sure they are compatible would be to connect the SD with GarminDevice.xml to GarminExpress to see if it offers Cyclops for purchase:
    Code:
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    If they are offered then the latest available 'unlocked' (actually, they're decrypted) file for UK/ROI from the [Only registered and activated users can see links. ] should work fine. You should be able to check on the device if you have them properly loaded (use Garmin\POI folder).

    I say again that there seems to be a problem with the head unit reading the external SD, that opinion's further strengthened by your report above about it not reading files from there. Any files loaded onto the SD by GE or manually should be read in hierarchy over the internal microSD.

    PS: Which GPI files did you dissemble or convert to CSV? Cyclops files are not easily broken down like other 3rd party cam. files.
    Last edited by Butters; 22nd May 2020 at 09:20 AM. Reason: Add PS.

  10. #19
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    I've just done what you suggested with a blank SD card containing the GarminDevice.xml file on it.
    GE shows safety cameras and live traffic, but when I click safety cameras, it says no product available :-(

    The .gpi file I converted was one I downloaded from web which was already in .csv format, it had 'some' UK speed cameras, but the ones local to me were in there, I converted it to .gpi with poiloader, it was not an official file unfortunately.

    I would tend to agree about the external SD card slot having an issue, but it correctly reads the gmapsupp.img file from the card in the slot, just doen't want to load the voices, vehicles, poi's from it.

    It's no big deal though, at least i've got mapping working, which is a huge leap from when I started and had nothing.

    Really appreciate all the help and patience, it's time to put the unit back in the car and go for a drive.
    Last edited by Boki_Srb; 22nd May 2020 at 10:56 AM. Reason: approved

 

 

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