Question about Sansui Televison & Video
Posted by Anonymous on
Check and replace the vertical scan output IC. Check related capacitors, and solder terminals at the vertical scan output section circuit for any loose soldering. Check the voltages at the vertical scan output IC. Refer its circuit diagram [schematic] for more details. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Posted on Apr 03, 2015
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Posted on Jan 02, 2017
If the main IC is not putting out a vertical drive signal then the vertical output will not do anything and therefore will not be damaged. What exactly do you mean by the set "literally eats deflection IC's"? What is the number on the vertical output IC? I will bet that your pump-up cap or pump-up diode is defective.
Posted on Jul 05, 2007
TDA 8362B IC which have vertical freq.output is at pin no.43. (vert.osc) caution for fixing this problem minimise brightness to avoid crt burn. proceed as follows 1 if you are getting sawtooth at output of ic tda 8362 pin 43 then check 1 supply at vertical output ic from eht. 2 yoke connector loose . 3 check vertical output ic parts. 4 finally vertical ic. please check for normal output from power supply even though fault gets rectified just for protection. good luck.
Posted on Sep 23, 2007
If the line is vertical then the problem is no horizontal deflection. The vertical chip is probably fine.
Check connections around yoke (thats the connector with at least four wires that goes up to the coils around the neck of the tube)
Maybe that TV has two horizontal output transistors. One for deflection and one for high voltage? Check both of them. Look for bad solder joints!!!
Posted on May 22, 2009
If there's an audio,,it might be the defective Vertical IC...but check first if there's 24v-26vdc supply coming from FBT going to Vcc of Vertical IC.
If there's no Audio,and only white horizontal line in the screen,check the Vertical out of Jungle IC.
Posted on May 03, 2010
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