Kaosun's CD Players

 Forgot password?
 Repair!
Search
View: 9589|Reply: 2

dpc-80 r7按键音量大小无法调节

[Copy link]

5

Threads

17

Posts

156

Credits

Member

Rank: 2

Credits
156
Post time 2019-03-02 18:49:46 | Show all posts |Read mode
顾老师 手里有台r7 数字音量调节 屏幕显示0db 1db 2db------36db 这些区间内音量 大小一致感觉是正常机器的最大音量 区间内无法调节大小音量 42db 54db 60db 这个区间音量大小一致也无法调节 音量可以测底关闭 故障再大电路板上 调换过sm5814故障依旧 老师给诊断一下 整机电容都换过了
Reply

Use magic Report

645

Threads

1033

Posts

6150

Credits

Administrator

Rank: 9Rank: 9Rank: 9

Credits
6150
Post time 2019-03-04 00:32:26 | Show all posts
重焊DSP. 怀疑虚焊。
Reply Support Not support

Use magic Report

8

Threads

16

Posts

1954

Credits

Gold Member

Rank: 6Rank: 6

Credits
1954
Post time 2019-04-07 19:09:12 | Show all posts
maybe I can help you.
ShangHai China.
PM me please.
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

2024-11-21 16:57 GMT-6 , Processed in 0.044305 second(s), 20 queries .

Powered by Discuz! X3.4

Copyright © 2001-2020, Tencent Cloud.

Quick Reply To Top Return to the list