Question about Panasonic CT-32HX40 32" TV

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My Panasonic television has lost it's vertical hold. How can I fix this?

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  • Panasonic Master
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The main VIF-Chroma jungle IC is faulty. Replace it.

Posted on Oct 20, 2013

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I only see one solid horizontal line on my tv


It lost Vertical sweep either due to open fuse resistor feed the Vertical output circuits, failed vertical/oscillator IC, failed Vertical york (on the neck of the picture tube). Those are what you need to check. This is CRT TV, the repair shop will charge at lest $35 to tell you what I just indicate, to repair it iwll more likely to be in $100 range.
Please leave rating if it helps.

Feb 01, 2011 | Panasonic PV-DM2792 Triple Play 27 in....

1 Answer

No picture, sound ok except buzzing noise, some light in vertical stripe center of screen


your vertical drive would have failed or lost connection in the pcb.Only if you are familiar with high voltage electronics do attempt. or else this could be aminor issue , to resolder the vertical drive, vertical power failure or drive. A quick votage check into this vertical section will confirm and the sweep can be retained.

Jun 29, 2010 | Panasonic PT-47WX53 47" Rear Projection...

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Panasonic CT-27SL15 has scan lines on top 4 inches of screen, what is problem and how to fix?


Nov 2011 - Comment
Have similar problem on a Panasonic Tau model CT-27SL15.
It's a 27" CRT TV manufactured around 2005.

Other posts / solutions on this problem say possibly a capacitor going bad in the vertical circuitry / near the vertical IC / vertical blanking circuitry. Telephone call to a TV repair person mentioned something similar - "possibly a bad capacitor in the vertical circuitry".
Found a service manual online w/schematics and board layouts.
Panasonic Service Manual
http://dl.dropbox.com/u/35219914/PANASONIC%20CT27SL15.pdf
See pg 25 (of 42) - Deflection Schematic Diagram (Main PCB)
Shows: V Output IC - IC401
Finding the actual bad component(s) may not be so easy.
Anyway ... just wanted to add this comment.

Feb 11, 2010 | Panasonic CT-27SL15 27" TV

1 Answer

Panasonic pt-53wx53g vertical output ic


Hi,
IC451 (Vertical Output) LA78045 part number is C1AA00000521
Available in Part Store.

Above info are taken from related service manual and an image of s.manual is given below...

f65b289.jpg

Jun 19, 2009 | Panasonic PT-53WX53 53" Rear Projection...

2 Answers

Plasma TV with vertical lines


EASY! ok the 4th video processing unit is malfunctioning, if it is a Piano affect like the keys on the piano, then that can be fixed under your 1year warrenty after your 1year warrenty it will cost $200, but i could be wrong, i never studied panasonic plasma casue they ****, next time get a samsung.

the worst contrast and video ajustments, thats a panasonic.

trust me i am the flat pannel guru!

Mar 23, 2009 | ESA PDP4294LV1 42 in. EDTV-Ready Plasma TV

2 Answers

Vertical hold


If the picture is in an hourglass shape this has nothing to do with vertical hold. Besides, on all these sets, the hold and parameters are all uPC controled through a firmware routine that is burned in to an EPROM.

It is obvious that there is a failed component somewhere because of the hour glass shape. The area of failure is most likely in the pin amp section. If the hourglass is from the sides, it would be horizontal pin. If it is top and bottom, the fault is in the vertical pin section.

A common cause is from a capacitor that has failed in the mentioned area. Sometimes it can be an IC or other type of component in the pin amp area, but not as often as failed capacitors.

You can take the set in to service the fault. I don't think you can fix this yourself unless you are trained in TV service and have the experience and setup to troubleshoot for the bad parts, and do this type of service.

Jerry G.

Apr 19, 2008 | Panasonic CT-32HX40 32" TV

1 Answer

PVQ-2510 service menu


If you fix the vertical cirrcuit correctly, there is no need to go into service menu as your vertical should go back to normal. Re-check your work. I remember one cap on this set that gets overlooked all the time so you may want to check it. It is cap C413 - ceramic cap and sometimes it shorts causing a vertical shrinking as you described. Good luck.

Feb 01, 2008 | Panasonic PVQ-2510 25 in. Combo

1 Answer

1998 TV worth repairing?


sound like a vertical collaspe vertical chip...might be more..the fact you still have sound is good.. not all is lost. but technician will have to determine if further damage has occured

Dec 08, 2007 | Mitsubishi WD-62525 62" Rear Projection...

1 Answer

Screen messed up


Is your model Panasonic 47WX49 HDTV ? You've got something amiss in the verticle deflection circuit.

Nov 24, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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