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What does a g2/focus splitter looks like? - Televison & Video

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Power shuts down after 30 sec.also red light flashes 5 times weather on or off/ sony kp46wt500


5 blinks states faulty on CRT baseboard circuitry where the video signal is amplified. A bad video amplifier IC, loose solder connection or Absence of 200 volts and G2 voltages.If 200v or G2 voltages were not present, look for the resistor block for screen and focus adjustment. try to adjust the screen voltage of each crt...

Feb 15, 2011 | Sony KP-46WT510 46" Rear Projection HDTV

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Sony rear projection tv model KP-53V15 turns on, have sound but no picture, after a while, picture comes on, but later goes out again, picture keeps coming and going. Where do I start looking?


Adjust Screen Volts (G2) of all 3 picture tubes and screen volt control knobs are on focus block located under speaker grills at front of TV.
Remove speaker front grille of TV, look for focus block that has 6 control knobs, 3 knobs are for focus and 3 for screen volts, increase volts by turning little bit control knobs of screen volts and this will solve your problem.

Nov 02, 2009 | Sony Televison & Video

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Nights seens are WAY to DARK


do you know what a g2/focus splitter looks like?
if so and you can get to it, adjust the g2 controls ever so slightly.

Sep 08, 2009 | Panasonic PT-51HX42 51" Rear Projection...

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I have a sony kp-61v90 projector tv and the colors are making the red stick out, feels like a 3d, any help?i kalld a tv repair which charged me $50 and said to repair $350 which is pretty crazy....help


i'm assuming that your complaint is the red is predominant over the other colors- if it is a rear projection set, there are three tubes [r,b,g], and each one has its own flyback with a focus and 'g2' control on it. try backing down the red g2, and if the picture is too dark, turn down the color control [so you should have a black and white pic], then adjust the g2 controls until you have a satisfactory black and white pic- after that, when you turn the color back up, you should have a good pic. sometimes. adjusting the g2 can affect the focus, and there is a focus control on the flyback. there are also optical focus [moveable lenses] on each tube, but they are primarilly for initial setup of the set, and should never have to be adjusted, unless the tube has been replaced. fyi- i happen to have a complete set of sony rear projection tubes [r,b,g] complete with lenses and neck coils i am currently trying to sell, but it doesn't sound like you need tubes at this time, but it's something to keep in mind, because these tubes are becoming extremely rare and hard to find, and cost upwards of close to a thousand dollars a piece, i'm selling the complete set for four hundred dollars. good luck!

Sep 05, 2009 | Sony KP-61V90 61" Rear Projection...

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TV SCREEN FLICKER


If this is a tube tv. It could be have something to do with the G2 voltage, could be the g2 filter capacitor.Or the screen and focus adjustment on flyback is giving up. But check for dirt built up. If focus and screen is faulty best is to replace the entire flyback.

If your not inclined in electronics better to have it check by the expert. High voltage inside.

May 22, 2009 | Memorex Televison & Video

2 Answers

Picture problems


OK to help assist everyone having the BLUE HUE and CURVED LINES Issue on their Rear Projection HDTV no matter their model. Here are the steps to take. The first thing to check is the FOCUS BLOCK or G2 Focus Transformer or CRX F-Pack. I have replaced mine, however it didn't resolve the issue. I am onto the next item the CRT Board for Blue (Which is the board under one of the three color lamps inside your tv) Please see photo below (if photo is not large enough below go to link to review notes as well) If the CRT Board is not it, then the next step will be the Signal Board which is a larger board in the back. In a week I will have a picture of both.

INSTRUCTIONS:
  1. Remove the outside cover
  2. Remove the wood plank/panel
  3. In the front is the G2 Focus Block/Transformer, while set is on turn the top 3 knobs till the screen goes black/dark grey.
  4. adjusting the colors till you receive the desired or normal color/picture.
  5. Once you have received the proper color/picture tap the side of the Focus Block.
  6. IF The colors go out of wack again and the blue comes back strong then this "CAN BE" the Focus Block.

Replace the G2 Focus Block aka Focus Transformer, if Hitachi it's called a CRX F-Pack. This item will cost about $50. Not expensive. You will likely need a soldiering iron. DO TURN OFF & UNPLUG THE TV WHEN INSERTING ANY METAL OBJECTS INTO THE TV!!

FOLLOW THE PHOTOS/DIAGRAM in link below for assistance in the above instructions. I will post my next process since it was not my Focus Block that was an issue.

ONE SOLID PHOTO Go to URL CLICK HERE, click on that image to enlarge. Hope this helps you all out!

Mar 30, 2008 | Sony KP-57WV700 57" Rear Projection HDTV

1 Answer

Reducing voltage for Sony KP-51HW40


G2 = screen...On the screen controls behind the front grill, behind the hardboard. 6 pots, 2 rows of 3 pots. 3 for focus and 3 for screens. 1 for each of the the red, green and blue guns/crts.
To adjust: Run set, change to black screen with tv/video button. Dial each screen clockwise untill you see a color. Then counterclockwise slowly untill that color goes black, then stop. Do this for all 3 screen controls.
If you need to adjust the focus then bring up lettering. I use the QVC channel for this. Focus is done by eye.

Mar 19, 2008 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Green shadows surrounding bright whites


finally a consumer that gives us plenty of info :)
sounds like an overdriven green tube, the only thing you can try is to find the G2/Focus block assembly, either behind front speaker grill or remove back of set and look for a black box approximately 5"X5" , this box will have 6 philips type adjustment screws(plastic) 3 are for focus, do NOT adjust these,
the other 3 are marked "screen" the center screen adjustment screw is for green, turn it VERY slowly counterclockwise while the set is running and pray that your problem dis-appears, be advised that this is a HIGH VOLTAGE device so one hand in your back pocket the other hand turns the screwdriver, if the problem does not go away you have a poor green tube, good luck, sorry I can`t give you the exact location of the G2/Focus block, manufacturers move them to different places every year.

Nov 29, 2007 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

TV fliockering on and off


Unfortunately that's an indication of the crt going bad in a Sony.
You can turn the G2 voltage down on the flyback or have a tech rejuvenate the picture tube but either of these are only a temporary fix..
The flyback is the rather large transformer with a red (anode) wire coming from it and attaching to the crt. (looks like a suction cup).
There are two adjustments on the back of the FBT, one is screen (or G2) the other is focus. With the unit on turn the G2 counter clockwise just a little and the picture will get slightly less bright. That should stop the picture from blinking out - or doing so as often. But again, it's only temporary!
Good thing Santa's almost here... :)
Bill

Nov 27, 2007 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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