Question about Philips 14PT1686 14" TV

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Takes long time to "start" after power on

After I power on the set, It takes a long time to start (no sound or picture).

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Re: Takes long time to "start" after power on

The problem in smps or in feed back, check electrolytic caps. in the smps. 100microfards/50volts ,47micr/50 volts 2 nos, then o/p of smps 100micr/160v, backside of EHT 10micro/50volts replace it.

Posted on Jun 25, 2008

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Picture takes 10-15 sec to come on after setting all night. Sound is OK.

If this has been taking longer to come up over time, it is likely the picture tube at fault. Time to look into a new set.

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Why does the pictures takes a long time to come on? Then when it finally comes on, after a while, the picture goes off, but the sound stays on from the time the set is turned on.

Look for any loose soldering terminals at the picture tube base card. Resolder all the suspected solder terminals, by applying a little more solder. Repalce the picture tube connecting socket.

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Toshiba televison picture keeps going yellow

Sounds like the blue is disappearing from your picture. A common cause of this is bad solder connections which can cause the blue signal to be lost at several places. It could also be due to picture tube failure. Sadly, I'm leaning toward tube failure because of your description. Bad solder connections usually take some time to start acting up after you turn on the set, but you say this happens every time within a few seconds. This is typical of a picture tube failure where an internal connection is okay until the tube heats up, and that takes only a short time. A service shop could check the set to make a firm diagnosis, but if the tube is the culprit you should replace the TV. It's not economical to consider tube replacement.

Apr 08, 2009 | Toshiba Standard (CRT) Televisions

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Turning on TV after power outage

Not sure what you mean by "older", but I assume it's a CRT display. It takes some time for a picture tube to come up from a completely cold start. It has to get all of those electrons hot enough to start flying around, and also build up a high voltage on the screen. You don't notice it in normal operation because the power button doesn't really turn everything off, but just puts the set in standby mode. Unplugging, though, lets everything cool off completely.

If you're talking real antiques, with tube-type amplifiers, then the warmup time could be even longer. I remember as a kid watching the blank screen for a couple of minutes before a picture appeared.

What you describe sounds like normal behavior for a CRT television. Not sure what's up with that flickering red light, though.

Jun 26, 2008 | Standard (CRT) Televisions

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TV picture won't stop blinking

Sounds like a bad solder joint or leaky capacitor. What make and model set do you have.

Jan 11, 2008 | Standard (CRT) Televisions

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Delay to see the picture

Your power supply is going south, I have an old sony with the same problem. The voltage level drops and does not have enough 'kick' to start. It will work better when it is warm. The module will need to be replaced.

Nov 29, 2007 | Sony KV-27XBR45 27" TV

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Philips 32" CRT problem

you have defective starting capacitor! at the hot side!

Oct 03, 2007 | Philips 32PW6006 32" TV

1 Answer

Toshiba tv

Some common causes are:

A component is failing and it is thermo sensitive. As it warms up it starts to work in spec, and thus the set can start up. Most of the time this type of component can be in the scan amplifiers or in the power supply.

The CRT is going weak. When its emission level is below a specific value according to the design of the set, the uPC sends a command to not allow the high voltage to start up, or it is not allowing the the electron-guns to be biased on. As the heater in the CRT warms up, the electron-gun becomes in to proper spec, and thus the uPC allows operation.

Eventualy the set will no longer start up, or what ever is failing will fail completely.

You can take the set in for a service estimate, but personaly I would be shopping for a new set.

Jerry G.

Aug 27, 2007 | Toshiba 32A43 32" TV

1 Answer

Picture takes hours to appear

Spounds like the b+ feed filter capacitor off the flyback that supplys voltage to the three drive transistors on the crt board is bad.

Apr 16, 2006 | Sony KV-32V16 TV

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