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CRT Monitor Repair Online Course E-mail
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Another Collections of CRT Monitor Online Repair Course 
 

 

 

Introduction to Monitor Power Supply

 

 

The Power Supply

 

 

 

 Introduction to SMPS Switched-Mode Power Supply

 

 

 

The SMPS and Pulse-Width Modulation

 

 

 

Crt Monitor Blanking and Vertical Deflection

 

 

 

 CRT Tube Electron Gun

 

 

 
Phosphors Inside The CRT Tube

 


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1. 12-09-2007 23:34
 
Repair tips for samsung monitor menu pop
I have a lot of this experience on samsung crt monitor. Normally there are because of the voltage regulator ic problem. The number is 78L05, the size of this IC like transistor C945 and same color also. So be careful to find it. This regulator ic near by MCU ic. After change this ic will solve your problem immediately! But, some monitor they will also show the "Control Lock" message on the OSD Menu. Just press and hold about 20 second, then they will show the "Unlocked" message. Try to off and re-open (on) monitor, all the problem are gone! enjoy!
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2. 12-09-2007 19:00
 
Repair tips for samsung monitor menu pop
i have a problem 
with my Samsung Sync 753s. 
The problems is that the menu display is always on with "Control lock". When I press the menu button for 20 seconds it will become "Unlocketd".  
Please help me.
IP: 59.93.33.64
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dinesh divakar
3. 02-09-2007 07:41
 
Repair tips for samsung monitor menu pop
It is very useful for me. 
Thanks,
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