Question about Philips 55PP9401 55" Rear Projection Television

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The red convergence are not working in vertical point

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The two convergence amps need to be replaced.They will be labled STK392-110

Posted on Jan 12, 2009

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Multi-point convergence -- Lower left quadrant of screen distorted. Red ok. Blue arched up and then done to normal in Lower right quadrant; left-right adj moves vertical gridline but is s-shaped. Blue...


Look in users manual or internet you should find how to access service mode, this is different from regular setup CONVERGENCE, this involves getting into changing parameters to tweek convergence, even after amps are changed. These projection tv's are known for loosing convergence if bumped, moved and amps go bad in time.

Jan 03, 2010 | Pioneer PRO-520HD 53" Rear Projection...

1 Answer

Convergence issue... I tried to manually fix it through the menu option without any luck. The convergence does curve at the top and bottom of the screen.


It seems the solder is broken in Vertical Convergence Amplifiers or it is damage internally. This model has 2 Conv. Amps: 1 for Horizontal (Red, Green and Blue) and 1 for Vertical Convergence output (Red, Green and Blue), if the convergence does curve at the top and bottom, it is because Vertical Converegence output is no good. The Conv. Amp. costs around 20 dlls. Thats why you can not fix it with the Menu option. Good luck!

Nov 13, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Where are the convergence chips located on my 60PP9202 for the red


There are 2 Convergence Chips: 1 for Horizontal (it includes Red, Green and Blue Convergence channels) and 1 for Vertical (it includes Red, Green and Blue Convergence channels). Horizontal Convergence Chip is 7044 and Vertical convergence Chip is 7045 (both STK392-120). They are fixed in same "big" Heat Sink, with a 2 metal black clips, from Video Inputs board side.

Oct 19, 2009 | Philips 60PP9202 60" Rear Projection...

2 Answers

Cannot adjust red multi point


Symptom:
Unit appears to have poor convergence due to:
1. cross hatch appears tilted
2. one color (or more) being larger than the others.

Cause:
The yoke or yokes may have:
(1) rotated slightly or
(2) slipped down during transport.

Resolution:
Loosen a yoke and lower to inspect the tape. If black tape is present remove it from under all yokes (white tape or no tape is OK). Slide yoke or yokes up tight against the CRT and tighten to prevent slipping or rotation. Precede with
alignments and or convergence as necessary.

Jul 29, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Red vertical convergant line


convergence Ics you will need two STK392-120 convergence ICs. You can get replacement ICs at the following link with free instructions.
http://servicemanuals.vstore.ca/

Jan 19, 2009 | Hitachi FDX Series 43FDX10B 43" Rear...

1 Answer

Remote will not adjust red convergence/multi-point horizontally


check resistors around convergence i.c.(red) philips may use 2 resistors in parallell. should be about 1.8 ohms. assuming you already changed the i.c.

Jan 17, 2009 | Philips 55PP9352 55" Projection Television

1 Answer

Mitsubishi VS50805 Serial # 102718 No red in picture


Replace the convergence ICs your model uses two STK392-040 Convergence ICs. You can get replacements at the following link with instructions.
http://servicemanuals.vstore.ca/

Dec 28, 2008 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

Sony kp53v80 Red convergence stuck vertically


Did you replace the convergence ICs? The 4.7 ohm 1/2wwatt resistors and the pico fuses? Let me know and I will assist you, as often sonys will blow the 3.5 pico and a few of the 4.7 ohm 1/2watt resistors when the Ics fail.

Jul 28, 2008 | Televison & Video

1 Answer

Philips Magnavox 51MP392H Rear Projection TV


A sign that amps are going bad, right now you can check resistors in convergence board alongside the amps, check resistance to see if right.

Oct 08, 2007 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

No horizontal red convergence control


Probably the red convergence output IC has failed. The chip is basically a stereo amplifier that serves as a horizontal amplifier and a vertical amplifier. I suspect the vertical part has failed and is not uncommon. Should be generic STK392-150's or maybe STK392-110/120 I believe. By the way when the line moves up and down that means the vertical is working when it moves side to side the horizontal is working.

Feb 03, 2007 | Philips 60PP9202 60" Rear Projection...

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