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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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Samsung TV repair question.
I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. |
#2
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Samsung TV repair question.
On Mon, 14 Feb 2011 13:47:27 -0800 (PST), Beezle Bub
put finger to keyboard and composed: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. Service manual for TXJ2766 and TXJ2754: http://elektrotanya.com/samsung_txj2.../download.html Check the East-West / Horizontal Pincushion correction circuit. - Franc Zabkar -- Please remove one 'i' from my address when replying by email. |
#3
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Samsung TV repair question.
On 15/02/2011 9:23 AM, Franc Zabkar wrote:
On Mon, 14 Feb 2011 13:47:27 -0800 (PST), Beezle Bub put finger to keyboard and composed: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. Service manual for TXJ2766 and TXJ2754: http://elektrotanya.com/samsung_txj2.../download.html Check the East-West / Horizontal Pincushion correction circuit. - Franc Zabkar And since the problem used to resolve itself in 10 minutes, presumably as the components warmed up, dud capacitors would be a good thing to look for. Sylvia. |
#4
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Samsung TV repair question.
"Sylvia Else" wrote in message ... On 15/02/2011 9:23 AM, Franc Zabkar wrote: On Mon, 14 Feb 2011 13:47:27 -0800 (PST), Beezle Bub put finger to keyboard and composed: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. Service manual for TXJ2766 and TXJ2754: http://elektrotanya.com/samsung_txj2.../download.html Check the East-West / Horizontal Pincushion correction circuit. - Franc Zabkar And since the problem used to resolve itself in 10 minutes, presumably as the components warmed up, dud capacitors would be a good thing to look for. Sylvia. Or bad joints on the EW modulation diode, if that chassis uses that type of geometry correction circuitry. Needs looking at quite quickly though, because if it is a bad joint, the currents involved in the modulator circuit, can cause quite serious burn-up damage to the PCB Arfa |
#5
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Samsung TV repair question.
Beezle Bub wrote:
I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. That's what happens when you feed HDTV into a non-HDTV TV Set. It takes about 10 minutes for the set to correct itself because frame buffers were a lot slower back in 1998. |
#6
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Samsung TV repair question.
"Christen Alex" wrote in message
... Beezle Bub wrote: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. That's what happens when you feed HDTV into a non-HDTV TV Set. It takes about 10 minutes for the set to correct itself because frame buffers were a lot slower back in 1998. That has to take the cake for the worst explanation of a problem this month. HD signals do not cause an hourglass shape. If this is a CRT set, you need to check the pincushion correction and horizontal deflection circuitry. If it is a flat panel display (doubtful in 1998), I have no suggestions. David |
#7
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Samsung TV repair question.
"Christen Alex" wrote in message ... Beezle Bub wrote: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. That's what happens when you feed HDTV into a non-HDTV TV Set. It takes about 10 minutes for the set to correct itself because frame buffers were a lot slower back in 1998. I have never read such pure unmitigated bloody nonsense in all my life, Stick to carpentry or plumbing or baking or whatever it is you do for a living ... Arfa |
#8
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Samsung TV repair question.
On Wed, 9 Mar 2011 01:27:32 -0000, "Arfa Daily" wrote:
"Christen Alex" wrote in message ... Beezle Bub wrote: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. That's what happens when you feed HDTV into a non-HDTV TV Set. It takes about 10 minutes for the set to correct itself because frame buffers were a lot slower back in 1998. I have never read such pure unmitigated bloody nonsense in all my life, Stick to carpentry or plumbing or baking or whatever it is you do for a living ... You can't be /serious/ - I thought it explained the problem of trying to squezze HD into 32 inches very well.... -- Geo |
#9
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Samsung TV repair question.
On Thu, 10 Mar 2011 22:46:41 +0000, Geo wrote:
On Wed, 9 Mar 2011 01:27:32 -0000, "Arfa Daily" wrote: "Christen Alex" wrote in message ... Beezle Bub wrote: I have an analog Samsung TV which I bought in 1998. It is around 32 inches. The problem is the image keeps getting 'squeezed'--the sides cave in and the image takes on the shape of an hourglass. In the past, I would have this problem for like 10 minutes but the image would eventually correct itself. Nowadays, the problem remains as it is. Anything can be done about this? Model # is TXJ2766. That's what happens when you feed HDTV into a non-HDTV TV Set. It takes about 10 minutes for the set to correct itself because frame buffers were a lot slower back in 1998. I have never read such pure unmitigated bloody nonsense in all my life, Stick to carpentry or plumbing or baking or whatever it is you do for a living ... You can't be /serious/ - I thought it explained the problem of trying to squezze HD into 32 inches very well.... LOL -- Live Fast Die Young, Leave A Pretty Corpse |
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