ICE 3370 or 3770 digital conversion

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ICE 3370 or 3770 digital conversion - I have an Marklin ICE unit that I want to convert from Analog to Digital any recommendations

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StanN		#1 Posted : 21 December 2023 22:59:50(UTC) Retweet
Joined: 16/02/2023(UTC) Posts: 8 Location: Florida, St Augustine		I have a Marklin ICE unit that was mislabled as digital and is analog. The unit is either a 3370 or 3770 serial number E69412. I know it's analog because I removed the shell and there's no decoder inside. What Decoder wouuld anyone recommend for this unit. The large curcuit board is 124 x 27.6mm. Thank you. Here's a couple of pictures of both end units. Edited by user 22 December 2023 16:55:24(UTC) \| Reason: To include pictures

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kiwiAlan		#2 Posted : 21 December 2023 23:53:39(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,109 Location: ENGLAND, Didcot		Originally Posted by: StanN I have a Marklin ICE unit that was mislabled as digital and is analog. The unit is either a 3370 or 3770 serial number E69412. I know it's analog because I removed the shell and there's no decoder inside. What Decoder wouuld anyone recommend for this unit. The large curcuit board is 124 x 27.6mm. Thank you. If it is a 3770 then it would be digital. Are you sure it is not digital? If there is a small DIP switch on the PCB then it will be a digital unit. If all the switches are set to the OFF position then it is in analogue only mode. I cannot remember if the decoder in this model was able to auto-switch between analogue and digital. If it definitely is an analogue model there is someone who makes a PCB to replace the Marklin one that will take a 21 pin MTC decoder. That would allow you to fit an ESU, Marklin or Zimo 21 pin decoder. You can then fit a sound or non-sound decoder of your choice. ESU has sound projects for their decoders, specify an appropriate sound file when you order the decoder and the dealer should load it for you. Marklin should also have a sound file that could be used, I think they have an ICE-1 or 2 file. I don't know what sound files Zimo have for an ICE.

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cintrans		#3 Posted : 22 December 2023 00:18:52(UTC) Retweet
Joined: 11/07/2018(UTC) Posts: 172 Location: Aruba (general), Oranjestad		Does the motor have a permanent magnet or a coil? If its a permanent magnet, its digital (using a 6090 decoder) --> 3770 The 3370 (using field coil motor) could be analog or a delta. To digitize the last one you will need a decoder + motor kit There are also other alternatives like the 60906 decoder Regards Jean-Pierre


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dlwestphalen		#4 Posted : 22 December 2023 01:26:40(UTC) Retweet
Joined: 07/02/2023(UTC) Posts: 33 Location: Alberta, Calgary		Depending on your ICE model such as 3371 you might need a special conversion kit. This is a great video that shows the conversion step by step. Part 1: ?si=FdOHvPP0Og3wokgY Part 2: ?si=VKr-VkGktVg1eDxL The special kit can be purchased at https://digital-bahn.de/shopping/ice_mtc-001 I bought mine last June but haven’t done the conversion yet. Denis

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marklinist5999		#5 Posted : 22 December 2023 11:54:48(UTC) Retweet
Joined: 10/02/2021(UTC) Posts: 3,139 Location: Michigan, Troy		Oh those wonderful Faulhaber motors. He sure makes it look easy, but it is intricate work. This is a superb model. I've seen it run. Still regret not buying one.


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StanN		#6 Posted : 22 December 2023 16:57:47(UTC) Retweet
Joined: 16/02/2023(UTC) Posts: 8 Location: Florida, St Augustine		Thank you for the replies. I've attached pictures of the interiors. Your thoughts and suggestions are greatly appreciated.

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dlwestphalen		#7 Posted : 22 December 2023 17:48:30(UTC) Retweet
Joined: 07/02/2023(UTC) Posts: 33 Location: Alberta, Calgary		I might be mistaken but from the pictures I think you have the 3371 (same as mine) instead of 3370. Have a look on the description of each from the Dutch 3rail website (I don’t read Dutch but Safari does a good job with the translation). https://wiki.3rail.nl/in...?title=Märklin_3370 https://wiki.3rail.nl/in...?title=Märklin_3371

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cintrans		#8 Posted : 22 December 2023 20:09:14(UTC) Retweet
Joined: 11/07/2018(UTC) Posts: 172 Location: Aruba (general), Oranjestad		Stan The pictures are showing indeed either a 3371 or 3671 (the last one being the digital version with a 6080 decoder). Both engines should have a motor inside, but your pic's are to hazy to see if the board has dip-switches on it to see if its digital or analog. Not sure if the Faulhaber motors accept "normal" decoders as easy as the standard old DCM, etc... motors, I have no tinkering experience with those Regards Jean-Pierre

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kiwiAlan		#9 Posted : 22 December 2023 22:28:12(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,109 Location: ENGLAND, Didcot		Originally Posted by: cintrans Not sure if the Faulhaber motors accept "normal" decoders as easy as the standard old DCM, etc... motors, ... 'Normal' modern decoders do not have a problem with Faulhaber or other coreless motors. You just need to make sure the PWM frequency is set to a high value (what at least one manufacturer called 'Supersonic mode').


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cookee_nz		#10 Posted : 23 December 2023 00:16:43(UTC) Retweet
Joined: 31/12/2010(UTC) Posts: 3,955 Location: Paremata, Wellington		Post clear (readable) pictures or description of the Road number on the side of the body shell, and also the serial number label underneath, that would help a great deal. Cheers Steve
		Cookee Wellington
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Dave Banks		#11 Posted : 23 December 2023 02:53:12(UTC) Retweet
Joined: 08/03/2006(UTC) Posts: 1,026 Location: Gold Coast, Australia.		Guys I think this is the Ice Experimental #3371 or #3671 https://www.ete-ene.org/digitizi...xperimental-number-3371/ #3750 for example is with the permanent magnet. This version has the can type motor from memory
		D.A.Banks

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mario54i		#12 Posted : 23 December 2023 13:04:41(UTC) Retweet
Joined: 28/03/2007(UTC) Posts: 284 Location: Torino,		This is an ICE1 3770, after replacing the board with a Lokpilot V3. I had a 3371, it was like the one shown in first message. I sold it as at that time it was impossible to convert it with conventional decoders, and the Märklin spare digital board was not available. Now with current decoders it would be easy.

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StanN		#13 Posted : 23 December 2023 20:40:00(UTC) Retweet
Joined: 16/02/2023(UTC) Posts: 8 Location: Florida, St Augustine		Originally Posted by: StanN I have a Marklin ICE unit that was mislabled as digital and is analog. The unit is either a 3370 or 3770 serial number E69412. I know it's analog because I removed the shell and there's no decoder inside. What Decoder wouuld anyone recommend for this unit. The large curcuit board is 124 x 27.6mm. Thank you. Here's a couple of pictures of both end units. Here's an updated picture of the board and motor. It appears that I was a victim of the bait and switch.

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cintrans		#14 Posted : 23 December 2023 21:19:30(UTC) Retweet
Joined: 11/07/2018(UTC) Posts: 172 Location: Aruba (general), Oranjestad		Stan No dip switches on the board, so you have a the analog 3371 ICE You could still make it digital with the special kit as described in the video previously posted, or with a more standard current decoder and some soldering work.... Good luck Jean-Pierre

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ktsolias		#15 Posted : 26 December 2023 13:54:27(UTC) Retweet
Joined: 01/05/2016(UTC) Posts: 610 Location: Athens		Hi The serial No start with Exxxx that means analogue with electronic reversal unit, THis is and the impression from the pictures of the PCB. Digital conversion is possible. You must use the follow 1. 60973 Decoder plate for units with two pick-up shoes 2. 60977 Decoder you can put the ICE sounds with the mDT3 software and 30971 decoder programmer or CS3 Is a very difficult conversion Regards Costas

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Kaspar		#16 Posted : 29 December 2023 22:51:21(UTC) Retweet
Joined: 09/12/2010(UTC) Posts: 28 Location: norway		I picked up a 3371 set earlier this year, and then got the kit from Digital-Bahn mentioned in earlier posts. I would not say the conversion was particularly difficult, you need to do some soldering but the contact points are decent sized and easy to access. What’s nice with the Digital Bahn kits is that they can be delivered with a pre-configured LokPilot decoder, if you get the version with sound it’s already loaded with the correct sounds. Also the board has a decent sized capacitor so the train runs silky smooth with no lights flickering. I got the sound version and just one caution there is to be careful when mounting the speaker. I managed to drop the speaker on the track, creating a short, and there is no overload protection on that output. It still runs fine but the sound circuit is dead

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StanN		#17 Posted : 08 January 2024 17:07:05(UTC) Retweet
Joined: 16/02/2023(UTC) Posts: 8 Location: Florida, St Augustine		Thank you everyone for the information, unfortunatly Digital-Bahn does not ship to the US on their website.


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dlwestphalen		#18 Posted : 08 January 2024 18:50:58(UTC) Retweet
Joined: 07/02/2023(UTC) Posts: 33 Location: Alberta, Calgary		That’s too bad. I live in Canada and I got it shipped to friends I was visiting in Sweden last year.


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