Question about Philips 28PW6506 28" TV

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Power suply fault

TV shuts down after 10 secs.

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Re: Power suply fault

OK sorted the problem on my set. Replaced the capacitor ref: 2455 on main board it is a 47uf 25v but i was told a 35v will work as well? But mine is a 28pw6506/05

Posted on Nov 17, 2007

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Re: Power suply fault

Is The Tv Connected To a Antenna Source,Ck your Conns,Then diconnect all conns and see if you get it to Come on at all

Posted on Jul 19, 2007

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China tv kit

Horizontal sweep absent, is the fault. Vertical sweep is OK. Check for any loose solder terminals or loose connection at the connection goes to deflection yoke. Check all the capacitors related to horizontal scan output.

Nov 18, 2013 | Standard (CRT) Televisions

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Model Sony KV-G21q2S Problem-STR 6707 has been changed. After an hour the went down. The fuse and STR 6707 are working. But no picture no sound. When plug in it gives "boo" sound for few...

This is the SMPS Power suply drive and the IC fails ONLY if there is fault in the circuit. You need to check on the SMPS section
check this link below for tips:

Next you need to check if the LINE output transformer has failed. If so this will have a higher current drain and so switch off the SMPS unit. check for the EHT drivers, capacitors in the HT circuit.

Jun 25, 2011 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

My tv power is on but picture does not show only red power light flashing if i unplug tv comes on for a second and then picture gos right back off

you have a shut down problem cause by a defective power suply that probably goes to high and activate a x ray or fail safe potection

Sep 29, 2010 | JVC AV-27920 27" TV

1 Answer

Turn t.v. on, stays on for 30 sec., then shuts off.

While the set is on does the picture and sound come on well, If so the fault is relative to the output stages, look for components heating up, dry soldering due to this heat cutting off the connection.
However if there is no picture or sound then the fault is in the processor , a test on voltages on diffferent cicuits must be checked when the set shuts down. This will indicate the defficient voltage , possible in the power or output board.

Sep 16, 2010 | Philips Magnavox 27MS343S 27" TV

1 Answer

TV turns on for 5 sec then shuts off

It seems that your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur.

You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done. It is that sound that gives it away, this is a typical switchmode Power Supply problem

Jan 23, 2010 | Standard (CRT) Televisions

1 Answer


tv is in shut down mode power suply problem what is the tv brand and model

Oct 19, 2008 | Standard (CRT) Televisions

1 Answer

My sony kv27s66 turn on than off after one sec

the tv got problems on the power suply thats why going on to protection mode

Aug 25, 2008 | Sony KV-27S66 27" TV

1 Answer

What's the problem.

hello... i will try to help you.this seems to be a power suply malfunction.make some measurements of the tension between groud and secondary tensions of the power suply(one or more of them could be lower),possible cause :one or more electrolytic capacitors damaged

Jul 10, 2008 | Sony FD Trinitron WEGA KV-24FS120 24" TV

2 Answers

TV turned off

The fault for all of your TVs' is stuck in standby which would point to a fault on the power supply most likely caused by a diode. If you can check this for yourself otherwise find a competant technician. Hope this helps.

Mar 18, 2008 | RCA F32650 32" TV

1 Answer


If you know how to solder is a pice of cake,,,, but be carfull the tv store a high voltage in the picture tube and beliveme is a very dangerous one but if you decide to go on the vertical Ic is the one with 10 or more conection pin (in some model 7or 8) and is atach to a heat sinc (a pice of metal) to cool down the Ic solder all the pin and check to dont joint to pins with the solder dont applay to much heat or will spoil the IC allso check the power suply area for cold solther to thepower suply is the area were the ac cord is atach all around there....remember dont touch repeat DONT TOUCH the heavy red cable coneted to the picture tube and as techman say get some buddy beside you with a telephone redy to call 911......good luck and rate me

Jan 06, 2008 | Panasonic CT-32SL14 32" TV

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