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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Sony TV KV-M1401U Picture Problem
I have this TV and for few months it has started given me problem.
When I switch it on I get a horizontal line with sound. If I lift or press the corner of the circuit board a little bit, the full picture with sound appears. The picture is more stable when I lift the corner at the scart side rather than pressing it. If I leave it at that, the picture remains but unstable. Even walking on the carpet makes it unstable. I took out the Tuner and I did not find any dry or crack solder joints even with 3.5 X Loop. I have examined the board under the light with the same magnification and re soldered many joints which I thought suspicious. Still the symptom persist. I would like to know if anyone knows a specific cause and cure of it. Thanks. |
#2
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Sony TV KV-M1401U Picture Problem
bigdaddy wrote: I have this TV and for few months it has started given me problem. When I switch it on I get a horizontal line with sound. If I lift or press the corner of the circuit board a little bit, the full picture with sound appears. The picture is more stable when I lift the corner at the scart side rather than pressing it. If I leave it at that, the picture remains but unstable. Even walking on the carpet makes it unstable. I took out the Tuner and I did not find any dry or crack solder joints even with 3.5 X Loop. I have examined the board under the light with the same magnification and re soldered many joints which I thought suspicious. Still the symptom persist. I would like to know if anyone knows a specific cause and cure of it. Thanks. THERE WAS AN ISSUE LIKE THIS WITH RCA TVS SOME TIME AGO. THERE WAS A SWITCH THAT SAID NORMAL/SERVICE AND WHEN YOU SWITCHED IT TO SERVICE YOU GOT A HORIZONTAL LINE. THEN THOSE MORONS WOULD CALL A SERVICE SHOP BECAUSE THEY HAD THOUGHT THEY BROKE THEIR T.V. |
#3
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Sony TV KV-M1401U Picture Problem
If you are sure that there are no more bad solding joints then I would
suspect a crack some wheres on the mainbord. I would look close to the vertical section for this. |
#4
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Sony TV KV-M1401U Picture Problem
Jeff Hacklerwrote:
bigdaddy wrote: I have this TV and for few months it has started given me problem. When I switch it on I get a horizontal line with sound. If I lift or press the corner of the circuit board a little bit, the full picture with sound appears. The picture is more stable when I lift the corner at the scart side rather than pressing it. If I leave it at that, the picture remains but unstable. Even walking on the carpet makes it unstable. I took out the Tuner and I did not find any dry or crack solder joints even with 3.5 X Loop. I have examined the board under the light with the same magnification and re soldered many joints which I thought suspicious. Still the symptom persist. I would like to know if anyone knows a specific cause and cure of it. Thanks. THERE WAS AN ISSUE LIKE THIS WITH RCA TVS SOME TIME AGO. THERE WAS A SWITCH THAT SAID NORMAL/SERVICE AND WHEN YOU SWITCHED IT TO SERVICE YOU GOT A HORIZONTAL LINE. THEN THOSE MORONS WOULD CALL A SERVICE SHOP BECAUSE THEY HAD THOUGHT THEY BROKE THEIR T.V.[/quote:b9d57aabaf] I would like to tell this moron Jeff Hackler that there is no service switch in side this tv set. |
#5
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Sony TV KV-M1401U Picture Problem
tvguy wrote: Jeff Hacklerwrote: bigdaddy wrote: I have this TV and for few months it has started given me problem. When I switch it on I get a horizontal line with sound. If I lift or press the corner of the circuit board a little bit, the full picture with sound appears. The picture is more stable when I lift the corner at the scart side rather than pressing it. If I leave it at that, the picture remains but unstable. Even walking on the carpet makes it unstable. I took out the Tuner and I did not find any dry or crack solder joints even with 3.5 X Loop. I have examined the board under the light with the same magnification and re soldered many joints which I thought suspicious. Still the symptom persist. I would like to know if anyone knows a specific cause and cure of it. Thanks. THERE WAS AN ISSUE LIKE THIS WITH RCA TVS SOME TIME AGO. THERE WAS A SWITCH THAT SAID NORMAL/SERVICE AND WHEN YOU SWITCHED IT TO SERVICE YOU GOT A HORIZONTAL LINE. THEN THOSE MORONS WOULD CALL A SERVICE SHOP BECAUSE THEY HAD THOUGHT THEY BROKE THEIR T.V.[/quote:b9d57aabaf] I would like to tell this moron Jeff Hackler that there is no service switch in side this tv set. DON'T HAVE TO. YOUR MOM ALREADY TOLD ME WHILE SHE SNORTED COCAINE OFF MY DICK. |
#6
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Sony TV KV-M1401U Picture Problem
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