How to remove colour patche in crt tv step by step description

This video is based on patches come in crt tv by changing ptc problem remains same then next step to remove patch by magnet
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CRT TV REPAIRING DETAILS AND BASIC 34 VIDEO 6000 FEE

IN this course I will cover all topics which is important to repairing CRT TV

Firs I will discuss block diagram of SMPS .then I explain all circuit which use to
making SMPS

Like half bridge and full bridge switching mode power supply .fly back type of
SMPS .forward type of SMPS etc.
After SMPS we explain different section which is use in SMPS
1. SMPS
2. HORIZONTAL SECTION
3. REGULATOR SECTION
4. VERTICAL SECTION
LCD LED COURSE :- 26 VIDEO 6000FEE
 In this curse in which I explain power supply with the help of
schematics as will as power supply each point section explain in power
supply
 Power supply in which three section in case of three transformer
1. Stand by circuit out 5v
2. PFC circuit it is use to make 300v to 380v or 390v in power supply
3. LINEAR section which is use to make 12v and 24v
 DSO training
 Then next to discuss invertor board in case of lcd and boost (led drive)
circuit in case of led.
 Then I explain motherboard all type of motherboard .
 panel voltage detail , repairing and by pass method
 Back light change mathod
 Polarizers placement
 3 type universal motherboard installation
 Android board installation
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