Aug 3, 2012 #1 J jbisht Member level 1 Joined Sep 26, 2009 Messages 32 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location delhi Activity points 1,519 My sony trinitron ha21m80 TV automatically changing channnels and volume. what is the probable cause ?? and It will be great help if some one suggests a possible solution
My sony trinitron ha21m80 TV automatically changing channnels and volume. what is the probable cause ?? and It will be great help if some one suggests a possible solution
Aug 3, 2012 #2 R rfredel Full Member level 5 Joined Jun 22, 2012 Messages 290 Helped 80 Reputation 160 Reaction score 77 Trophy points 1,308 Location Bonn, Germany Activity points 3,096 Hello jbisht, one probable cause is, that the keypad (S001 - S006) of your TV has problems. I've had it that the leakage resistance between the contacts is to low. You can try to clean it with pure isopropyl alcohol (100%). If you need a circuit diagramm, please contact me. I Hope my tip will help you. Regards Rainer
Hello jbisht, one probable cause is, that the keypad (S001 - S006) of your TV has problems. I've had it that the leakage resistance between the contacts is to low. You can try to clean it with pure isopropyl alcohol (100%). If you need a circuit diagramm, please contact me. I Hope my tip will help you. Regards Rainer
Aug 3, 2012 #3 J jeffrey samuel Advanced Member level 4 Joined Jul 23, 2012 Messages 1,092 Helped 107 Reputation 214 Reaction score 107 Trophy points 1,363 Location chennai,india Activity points 6,373 also there may be some short in circuit due to faulty design but this is quite rare try cleaning the remote and then even if the problem continues better take it to an authorized dealer
also there may be some short in circuit due to faulty design but this is quite rare try cleaning the remote and then even if the problem continues better take it to an authorized dealer
Aug 3, 2012 #4 J jbisht Member level 1 Joined Sep 26, 2009 Messages 32 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location delhi Activity points 1,519 Thanks bro ...for the help, but i appreciate if you send me the circuit diagram. thanks rfredel said: Hello jbisht, one probable cause is, that the keypad (S001 - S006) of your TV has problems. I've had it that the leakage resistance between the contacts is to low. You can try to clean it with pure isopropyl alcohol (100%). If you need a circuit diagramm, please contact me. I Hope my tip will help you. Regards Rainer Click to expand...
Thanks bro ...for the help, but i appreciate if you send me the circuit diagram. thanks rfredel said: Hello jbisht, one probable cause is, that the keypad (S001 - S006) of your TV has problems. I've had it that the leakage resistance between the contacts is to low. You can try to clean it with pure isopropyl alcohol (100%). If you need a circuit diagramm, please contact me. I Hope my tip will help you. Regards Rainer Click to expand...
Aug 3, 2012 #5 R rfredel Full Member level 5 Joined Jun 22, 2012 Messages 290 Helped 80 Reputation 160 Reaction score 77 Trophy points 1,308 Location Bonn, Germany Activity points 3,096 Hello jbisht, **broken link removed** Regards Rainer