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CT系列功放电源蓝灯闪亮按开机无反应


Technical Support Guide

Written by CG Chen

Updated at May 20th, 2026

Table of Contents

Brand: Models: Symptom: Troubleshooting: Actions:

Brand:

  • Crown

Models:

  • CT8150;CT4150;CT875;CT475

Symptom:

电源蓝灯闪亮按开机无反应

 


Troubleshooting:

  1. 确保功放板电源板烧毁已修复.
  2. 或已更换新功放板电源板.
  3. 输入板没发现故障.

 


Actions:

执行如下操作进行解锁:

  1. 所有DIP开关拔至OFF.
  2. 接上交流电源.
  3. 将DIP开关第2.3.4段同时由OFF拔到ON,再同时由ON拔到OFF.
  4. 解锁成功恢复正常开机状态,也可能要反复操作步骤“3”多次才成功.

 

 

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Table of Contents

Brand: Models: Symptom: Troubleshooting: Actions:

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