Coppell TV Repair LLC offers you a repair kit for a common problem developing in Zenith Z50PJ240 plasma TV.
Failure types and symptoms addressed by the kit, repair task difficulty level and other related and important information can be found below.
As with all repairs please note that we can never guarantee that this kit is all that is needed to fix the TV. It is offerred based on experience and technical information available to Coppell TV Repair LLC at the time of the listing. For details please see the warranty conditions section below.
FAILURE SYMPTOMS
Please note: Every failure has a component of randomness in it and as such you should be aware that failure symptoms may vary from one case to another. Sometimes the same components may fail in a different way and have a different manifestation of the falure. The opposite is also possible - the same visible symptoms may be caused by some very different failures.
Finding a failed component from one of the listed in the description is the best possible indication that the failure you have is the one targeted by this repair kit..
A typical symptom of a failed LG Z50PJ240 TV that is addressed by this repair kit is a TV having standby power and attempting, but failing to turn on upon receiving a power on command.
You would hear the relay click and you may see the display flash (not necessarily), but then the TV would click back into standby mode.
An open fuse F302 or shorted diode D304 (located on the right side of heat sink HS2 toward the middle of the board) are a definite sign for the need of this repair kit.
Also an open wirewound resistor from the ones shown on the pictures (those are from the upper right corner of the board, next to the sustain power connector) is a definite indication for the need of this kit.
Those resistors normally have fairly low resistance and often times one or more of them would burn and open in a failure, very much like fuses.
BOARD AND REPAIR KIT VERSIONS
Please note there are two different yet fully compatible PCB revisions for this power supply board.
The differences between them are minor yet both happen to be affected by this failure.
In a nutshell, some power boards have THREE power resistors in the upper right corners while others have TWO such resistors.
Those resistors have normally low resistance (under 30 ohms) and act like fuses. Finding one of them open is a good indication you need this repair kit for your LG Z50PJ240 power supply.
Accordingly there are two versions of the kit - one of the PCB with 2 resistors and the other with 3 resistors.
Please make sure to look at your actual board BEFORE placing an order!
KIT CONTENTS
At the time of this listing's creation this kit contained 1 fuse (F302), 1 diode (D304), the power resistors as shown on the pictures (R927 and R929 for the board revisions with two resistrs) and the IC301 voltage regulator IC.
Not necessarily all components may be bad in your case, but we recommend replacing them all.
Contents may change as we gain more experience and see other commonly failed components and this listing may not necessarily be timely updated.
DIFFICULTY LEVEL
Basic to intermediate soldering skills level and consumer electronics grade soldering iron required to perform the repairs.
SHIPPING AND HANDING
Products will usually ship on the next business day after purchase is placed and paid. Unexpected delays may occur. If you do not receive a tracking number or message from us within 3 business days after purchasing please contact us.
When shipping method is specified during payment it is our first choice to utilize that method for shipping.
Yet sometimes it is not possible or may result in delays, e.g. a late Friday FedEx shipping of inexpensive and durable product may have a chance of being shipped in Friday than the following Monday; in such cases we reserve the right to substitute FedEx Ground with USPS Priority and, in some very rare cases, USPS First Class service. If shipping costs differ significantly you are in your right to contact and request price adjustment.
When shipping option for the order is "Free shipping" we will usually utilize cheapest available method.
See below for important disclaimer regarding the USPS First Class Mail packages.
We do not advertise delivery time and do not take responsibility for delays to packages as long as tracking information proves they have been shipped in a timely manner by us.
Be advised that the following delivery services are NOT insured per USPS policy:
- Domestic: USPS First Class;
- International: First-Class Package International™, Priority Mail International® Flat Rate Envelopes and Priority Mail International® Small Flat Rate Boxes; services to some countries may also not be covered, for details read the USPS article on the subject.
What this means is that if you choose any of the above services as your delivery method you agree to hold us free of claims against loss of value should your package gets damaged or lost in the carrier system as long as the tracking information by the carrier shows the package was accepted by them and processed into their system.
WARRANTY CONDITIONS
Coppell TV Repair LLC does not guarantee that this product is all that is needed to resolve the problems with your TV.
Most of the repair kits we offer are based on first hand experience servicing boards at our repair facility.
Over time they may get expanded with our own experience or information from manufacturer service bulletins, customer feedback etc.
Yet failure can be unique and there can not be guarantee that what has worked one, ten or even hundred times will also work the next one.
Just as important, every repair involves about equal portion of quality of parts and quality of worksmanship and as we have no control over the worksmanship quality unless we are the ones performing it we would be unwise to provide warranty of the products utilized by that worksmanship.
As such, no warranty is offered on this product once the components in it are soldered on a board.
If you would like warranty please see if a REPAIR SERVICE is offered instead of a kit. Unless otherwise noted all our repair services do come with a standard warranty.
