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If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Refer the circuit diagram. It is there. Surf the site with the number of IC " TDA9370 "as keyword.
Disconnect the base of horizontal drive transistor, and now check it collector voltage. If it is found OK; [almost equal to its iput voltage]; check the voltage that comes to its base, from the IC pin. It should be below 0.1 to 0.25V. If found higher than this, the IC is faulty. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts.
do you mean those ic no supply voltage?. ok you have to trace weather their is an open resistance going to the ic then considered the primary supply if their is a voltage. first check the ac voltage if their is a 110v going to the power supply section then check if their is a dc output voltage at the primary capacitor to supply all the circuit.
Hello
TDA 9380PS/N2 is now very difficult to get. It is a philips product. Tehre are many types of motherboards, which you can buy fro open market in Banglore, which will cost around RS750/= or so, here in Kerala I gets it for RS850/= and I've replaced so many of them. All are come with all fittings materials including remote hanset, 255channels, and seems good. Most of them are Single-Chip based kits. You can buy it from Banglore more cheaper than here in Trivandurm, Kerala.
Eventhough you can get the above numberd Ic, it will cost aroud Rs850/= or so, and is worthless now. Think well and do.
dear,i also had suffer from it's service menu code. in some days ago i had been seeing a web site, their was had every service menu.then i got your sansui tv model.your sansui "ctvk2k21"model's in the IC no. is "tda9370ps/n3/a/1932" service menu is press "menu(from remote) & 0,3,2,3(from remote)".for more information call me for in any electronics gagged problem.
tv set no sound coming.i replce sound out put ic but not hasbeen coming .i think 9370/1665 ic in side a/f out put line is gone i have a this curcuit daigarm not avilable so pl help this point
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