Kaosun's CD Players

 Forgot password?
 Repair!
Search
View: 3154|Reply: 3

Popping noise

[Copy link]

2

Threads

7

Posts

60

Credits

Member

Rank: 2

Credits
60
Post time 2023-07-22 07:51:36 From the mobile phone | Show all posts |Read mode
There is a popping noise when I first press play, that goes away after one second. At the beginning it was only from the left channel, but now it affects both channels.
Any idea what the problem could be?
Also, if I press pause during playback and I raise the volume at max, I can hear some interference.
I believe the 2 problems are relationated.
Any help would be appreciated. Thank you!
Reply

Use magic Report

629

Threads

996

Posts

5951

Credits

Administrator

Rank: 9Rank: 9Rank: 9

Credits
5951
Post time 2023-08-01 11:17:06 | Show all posts
Did you replace all aging SMT caps? If no, pls replace all of them.
Reply Support Not support

Use magic Report

2

Threads

7

Posts

60

Credits

Member

Rank: 2

Credits
60
 Author| Post time 2023-08-04 12:45:23 From the mobile phone | Show all posts
I replaced 3 x 100uf caps, 2 for the headphones out and one in the power supply area. There are other 2 x 470uf throughole, but they seem to be in good condition. Running on battery same problem.
Reply Support Not support

Use magic Report

2

Threads

7

Posts

60

Credits

Member

Rank: 2

Credits
60
 Author| Post time 2023-08-07 04:10:26 From the mobile phone | Show all posts
Problem solved. It was a bad ground.
Reply Support Not support

Use magic Report

You have to log in before you can reply Login | Repair!

Points Rules

Archiver|Mobile|Dark room|Kaosun's CD players

2024-04-29 09:40 GMT-6 , Processed in 0.023088 second(s), 20 queries .

Powered by Discuz! X3.4

Copyright © 2001-2020, Tencent Cloud.

Quick Reply To Top Return to the list