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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Analog TV fault
Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK.
I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Is this something that's easy to fix? (I seem to recall having a TV problem once before and it turned out to be a bad connection on the back of the tube.. Thanks Al |
#2
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Analog TV fault
On Apr 19, 3:29*pm, "AL_n" wrote:
Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK.. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Is this something that's easy to fix? (I seem to recall having a TV problem once before and it turned out to be a bad connection on the back of the tube.. Thanks Al Sounds like a PSU problem, but could also be a LOP problem, since the 2 are fairly intertwined. First things to look at are to see what power lines are up, what arent, and check any fuses and the LOPTr. I don't know what sort of skillset you have, so not much point me saying more. If you don't even know what a line output transistor is, bin it and get another. NT |
#3
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Analog TV fault
On Tue, 19 Apr 2011 14:29:13 +0000, AL_n wrote:
Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Does anything happen if you leave it on for a while? Can you find the schematic online? (not always an easy task, particularly when several set designations share a common - but not always listed on the case - model number) It sounds like the PSU is doing *something* useful if there's a power light as these are normally LEDs in any TV that's remotely recent. You say "no sounds" though - does that include normal audio output? I'm surprised that you're not getting something from whatever channel it was tuned to, even if there's no HT and picture. (I seem to recall having a TV problem once before and it turned out to be a bad connection on the back of the tube.. Yes, never rule out the simple - although for that kind of fault I'd expect you to still have normal audio. cheers Jules |
#4
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Analog TV fault
On 19/04/2011 15:29, AL_n wrote:
Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Maybe you've switched it off with the remote. Try hitting a channel button after switching the set on. For some slightly annoying reason my Sony CRT set remembers the remote control activated 'sleep' state through a power switch toggle. -- Adrian C |
#5
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Analog TV fault
Adrian C wrote in
: Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Maybe you've switched it off with the remote. Try hitting a channel button after switching the set on. For some slightly annoying reason my Sony CRT set remembers the remote control activated 'sleep' state through a power switch toggle. I never had a remote for this TV. I tried pressing channel up and channel down switch but nothing changed. There is no sound whatsoever. Thanks to all respondees. I'm not an electronic engineer. The most I've done is a bit of soldering, e.g., building small ghizmos from circuits in Practical Wireless. So I guess it's time to go telly-hunting again... Thanks anyway.. Al |
#6
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Analog TV fault
"AL_n" wrote in
: PS Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Al |
#7
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Analog TV fault
AL_n wrote:
Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Highly unlikely. |
#8
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Analog TV fault
AL_n wrote:
PS Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Only if the monitor has a 'TV' input (eg SCART, S-video). If it doesn't, look up the specs of the monitor. It probably can't sync to the PAL video from the DVD (15.625KHz line rate) but worth a look - if it does a passive SCART adaptor will do. Theo |
#9
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Analog TV fault
AL_n wrote:
"AL_n" wrote in : PS Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Not unless the PC monitor has an anlogue input. Either SCART, or possibly a yellow phono socket for a composite input. Otherwise, use a cheap laptop computer as a DVD player. I bought one that would do the job for a fiver from the local car boot sale a couple of weeks ago. -- Tciao for Now! John. |
#10
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Analog TV fault
On Apr 19, 10:57*pm, John Williamson
wrote: AL_n wrote: "AL_n" wrote in : PS * Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Not unless the PC monitor has an anlogue input. Either SCART, or possibly a yellow phono socket for a composite input. Otherwise, use a cheap laptop computer as a DVD player. I bought one that would do the job for a fiver from the local car boot sale a couple of weeks ago. All PC monitors have analogue input. The issue is scan speeds. NT |
#11
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Analog TV fault
In article ,
AL_n wrote: PS Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Most computer monitors won't work at TV resolutions. You can buy convertors - but a good one would cost more than a TV. -- *Why do psychics have to ask you for your name? * Dave Plowman London SW To e-mail, change noise into sound. |
#12
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Analog TV fault
"Dave Plowman (News)" wrote in
: In article , AL_n wrote: PS Does anyon know if it's possible to connect an LCD PC monitor directly to a DVD player? The DVD player is about ten years old and has an S-video output, plus a scart output and a number of phono outputs Most computer monitors won't work at TV resolutions. You can buy convertors - but a good one would cost more than a TV. Thanks.. Can you define 'a good one' for me? I've seen them on ebay for £26. I guess that means it's 'no good', yes? AL |
#13
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Analog TV fault
On Apr 20, 2:29 am, "AL_n" wrote:
Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Is this something that's easy to fix? Have you opened the littile hidden door that's probably on the front and pressed all the buttons? |
#14
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Analog TV fault
Matty F wrote in news:4edf2821-934c-4ab9-9eb3-
: Have you opened the littile hidden door that's probably on the front and pressed all the buttons? Yes; nothing... |
#15
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Analog TV fault
In message on 19 Apr 2011 14:29:13 GMT
AL_n wrote: Anyone know about televisions (analog type). It is a Panasonic TX21MIT/BK. I only use it for playing DVD's and VCR's. It worked fine until today. Today when I switch on, the power light comes on, but there absolutely no sounds of any kind (no high tension activity, I think), I see nothing on the screen whatsoever. Is this something that's easy to fix? (I seem to recall having a TV problem once before and it turned out to be a bad connection on the back of the tube.. Ah! The proverbial: "I'm sure it's only a loose wire ..." -- Terry |
#16
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Analog TV fault
Terry Casey wrote in
: Ah! The proverbial: "I'm sure it's only a loose wire ..." I did employ the old "pecussive intervention" i.e., sharp clout with heel of the hand, but to no avail. ;-) |
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