I have a terouble of my sansui tv model BT-s129MX.. My tv Automatically shutoffand when i open i see resistor 342 burts and i cannot see the color code for me to identify the exact value of it pleasev help me
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Click here and try to download the user manual to your Sansui TV, and refer it how to make a factory reset to your tV. If it do not help you, the main system memory IC might be faulty, and should be replaced.
The problem of your teevision is what we called the vertical line problem.The problem is in the vertical section of the board.There are many of cause of that problem.First is either loose connection,the circuit at the vertical section have cold solder so its need to resolder using soldering iron.Second,it maybe no vertical supply,its better to check the 12 volts dc supply of vertical ic output.if thers no supply in the ic,there a open resistor near the flyback.try to replace.Third if theres no loose connection and have a voltage supply the problem is either leaked capacitor or deffective vertical ic output.
Commonly in that problem is the loose connection,try to resolder the verical section.
Six blinks of standby light in Sony TVs denotes the absence of horizontal oscillation.
No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206. In most cases the Ic is foud defective. anyway check its soldering points for any loose contact, or bad solerings. Check the line drive transformer, a very little transformer soldered directly to the main printed circuit board, very close to the horizontal output transistor. Check its primary winidngs for open. If it gets open no horizontal drive signal will be present at the base of the horizontal output transitor, that also may the cause of horizontal stop.
Sounds like something is getting hot causing voltage loss or drive pulse loss to the vertical IC. Maybe you have a bad solder joint. Try tapping the circuit board around the vertical section. A capacitor could be heating and opening up.
Also you might try using circuit cooler spray and make the problem show up.