Rectification of a Vertical Line Fault and Operation of a TV Receiver:
To rectify the vertical line fault and operate the given TV receiver.
Components Needed:
S. No.
Name of Component/Apparatus
Quantity
1.
2.
TV Receiver
Multimeter
1
Identification of the fault in a given TV receiver:
1. The TV receiver is switched ON firstly.
2. There is no picture; just vertical lines are exist on the screen.
3. Switch OFF the receiver instantaneously and verify vertical line fault on the TV receiver.
Check the stages of the TV receiver:
1. Verify the fault is in the Vertical sweep section.
2. Test the connection of vertical deflection yoke coil if it is correct
3. Test the vertical deflection coil with multimeter if it is correct.
4. Test the vertical linearity coil. If it is correct. Test the condenser connected series to vertical deflection coil, If the condenser is within short or open remove it and solder with new one of same value.
5. Switch ON the TV receiver. The raster on the screen is usual.
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