Welcome to the forum   
Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error

Share
Options
View
Go to last post in this topic Go to first unread post in this topic
Offline petestra  
#1 Posted : 03 February 2023 18:50:47(UTC)
petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,812
Location: Leesburg,VA.USA
Hello. I was running some trains this morning and then I noticed that the sounds from my Lufthansa Airport Express 37779 unit were no longer working?

Does anyone have any ideas on this? I already reset the unit. Still no sounds? Thanks, Peter. Unsure
Offline thing fish  
#2 Posted : 03 February 2023 19:06:51(UTC)
thing fish

Turkey   
Joined: 25/01/2020(UTC)
Posts: 207
Location: istanbul
Hi,

I'm guessing no sound (or noise) at all; if so, you might want to check the speaker wires or check with a new speaker.

C.
thanks 1 user liked this useful post by thing fish
Offline petestra  
#3 Posted : 03 February 2023 19:10:21(UTC)
petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,812
Location: Leesburg,VA.USA
Originally Posted by: thing fish Go to Quoted Post
Hi,

I'm guessing no sound (or noise) at all; if so, you might want to check the speaker wires or check with a new speaker.

C.


Thanks. I will do that. Cheers.
thanks 1 user liked this useful post by petestra
Offline river6109  
#4 Posted : 04 February 2023 10:37:26(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,454
Location: On 1965 Märklin Boulevard just around from Roco Square
Originally Posted by: petestra Go to Quoted Post
Originally Posted by: thing fish Go to Quoted Post
Hi,

I'm guessing no sound (or noise) at all; if so, you might want to check the speaker wires or check with a new speaker.

C.


Thanks. I will do that. Cheers.


plus check the wiring from the decoder to the speaker

https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
thanks 1 user liked this useful post by river6109
Offline JohnjeanB  
#5 Posted : 04 February 2023 12:44:45(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 2,791
Location: Paris, France
Hi Peter
Based on what I read, the most frequent cause for no sound is a failure of the loudspeaker. If - like me - you have installed mSD3s and mSD2s, then you have a collection of LS to make a short try.
On my personal experience (45 Sound Märklin locos over 20 years), I only had a failure: sound missing for one full year on a 39230. A beautiful BR23 with SDS motor. After numerous decoder reset, the sound came back.

In operation of sound locos, I observed that sometimes (not that rarely) the sound may be interrupted for a short while but then it comes back by itself. Probably caused by electrical noise from pick-up shoe
Cheers
Jean
thanks 2 users liked this useful post by JohnjeanB
Offline petestra  
#6 Posted : 06 February 2023 22:59:26(UTC)
petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,812
Location: Leesburg,VA.USA
Hi and I hope you're all well. Just an update on the sound loss on my LH Airport Express set (37779).

1. I checked all the solder points by the speaker in the power unit. All were fine.

2. Then I checked sound level, and it is on full sound.

3. Then I unplugged the decoder in the power unit and carefully replugged it back in.

4. All Sounds are now working fine.

Of course, I'm happy with this outcome, but it seems strange at that, no? Thanks again to everyone who responded to me. Cheers! Peter. BigGrin

thanks 2 users liked this useful post by petestra
Offline marklinist5999  
#7 Posted : 07 February 2023 01:25:08(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 2,595
Location: Michigan, Troy
It may have needed a cold reboot. Thaty means all power disconnected to it. Same as a cell phone. The difference between restarting, and powering down.
Last month, my cars heater didn't come on like usual. I used manual mode, shut off the cliamte control, and still nothing. It had been on and set at 70f since at least November.
I left it off, went into the store, and when I restarted the car, it was fine.
thanks 1 user liked this useful post by marklinist5999
Offline dickinsonj  
#8 Posted : 07 February 2023 01:40:49(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,631
Location: United States
The 21 pin connector look robust, but if any pins are bent their performance can be a bid dodgy.

When you removed and reinstalled the decoder you could have aligned the pins for a better connection.

No matter why the sound came back, I am glad that it is working now. ThumpUp
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 2 users liked this useful post by dickinsonj
Offline petestra  
#9 Posted : 07 February 2023 11:52:54(UTC)
petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,812
Location: Leesburg,VA.USA
Originally Posted by: dickinsonj Go to Quoted Post
The 21 pin connector look robust, but if any pins are bent their performance can be a bid dodgy.

When you removed and reinstalled the decoder you could have aligned the pins for a better connection.

No matter why the sound came back, I am glad that it is working now. ThumpUp


Yes, Jim. So am I. It would have meant sending it all off to my repair guy. Cheers! Peter.

thanks 2 users liked this useful post by petestra
Users browsing this topic
OceanSpiders 2.0
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

| Powered by YAF.NET | YAF.NET © 2003-2023, Yet Another Forum.NET
This page was generated in 0.602 seconds.