Hi, I'm having problem with this TV, and I hope that you can help me, get out of this dilema, The TV is not powering up, I can hear the voltage, when I press the power button but nothing comes up. and the power button light stays red, I suspect that the voltage is being drained but I have checked all diodes, resistors, and caps of the power supply board, I have disconected the signal board to see if it was the STKs, I have had replaced the HVG (flyback), I have replaced the vertical, and horizontal transistor, and so far, no changes, I'm basically breaking my head over this, Would you be able to give me any suggestions? Thanks
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Re: Philips Proyection-60P8341 from the PTV915 series
Those models are famous for the LSB boards going bad and they are hard to track down the cause if the LED isnt blinking. You can get a repalcement LSB for your model at the following link. Leave them a email and they may make you a good deal on one. Heres the link. http://servicemanuals.vstore.ca/
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You are asking to repair the flyback transformer and you can replace that......but you may have more problems than you think. To take this board out is very tedious and time consuming. You will need to use extra care to remove...I cannot tell you enough. If you beleive this board is the problem...I would certainly get a replacement [reworked or refurbished] board. Please check with Union Electronics, phone# 1 800 648 6657. This is a well worth effort, and I would hope you can understand that I'm trying to help you repair this TV the first time. You will not like to remove, replace, remove, replace etc. Hope this will guid e you..and thanks for asking me!
What you have there is a PTV915 chassis that has an Ssb board failing in it... To be more precise the smt (Surface Mount Technology) caps on the Ssb are failing. The board is mounted on the Lsb (Large Signal Board) vertically, just behind the tuner.
The module itself is Philips original p/n# 313912725871 and has been subbed to Philips p/n# PH3912725871 they're about $275.00 dollars.
Or you could take a risk and order one. But I'd still have the technician come out and install it for you... There are some star screws, which Philips has some infinity for, that are kinda difficult to get to and they need to be removed to access the module and extract it...
Hope this helps!
This is an indication that the actual sound output is working, but the amplifiers to the speakers are not. How you could take care of this is to check in there are any loose connections to the speakers. Then check if you have sound coming from the leads of the output stereo amplifier (You will need the schematic and an audio tracer/tracker to find this location and test for sound). I would venture that there would be no sound from the amplifier. If not you will have to replace the amplifier chip. I would suggest getting a qualified TV technician to perform this task. If you do have sound at the output of the strereo amplifier chip, then it might be a case of the earphone jack switch being broken, let me explain when you plug in your earphone the speakers are disconnected by a switch in the earphone jack if this switch is broken it could disable the speakers and produce these results. There is also the possibility that you have the speaks disabled from the menu of your TV (check this too, actually check this first).
Thats the DPTV 300 series phillips HDTV its definatly worth fixing. How are your troubleshooting skills. Sounds like either a problem in the LSB or SSB circuits boards. On our website we have replacment circuit boards for that model. Our prices are less than half what others are getting. Let me know if you would like me to post a link, we also have the service manual for your model.
Hi, the fluid in the tube has to be replaced, big & dirty job, set has to go to the shop to do this, be advised that this happens to all Philips rear projection tv`s eventually, problem is (besides being expensive to do) if the green fluid is getting cloudy the blue tube is not far behind. This can be confirmed by removing back bottom cover and looking directly into the lenses, you`ll see they are cloudy compared to the red one that almost never becomes cloudy, sorry to be the bearer of bad news, if you have more questions ask away, BMW Rider
HI NEED REPLACE A SSB SMALL BOARD IN LEF SIDE
IS VERY FAST TO REPLASE IS HAS ONE WHITE CABLE PLANE INSERT TO BOARD THE SMALL BOARD IS INSERT TO BIG BOARD IS COST YOU $ 319,88 LESS $ 100 CORE BACK A OLD BOARD