Does anyone know what the part number is of the IR Receiver for this unit, I am getting sick and tired of the receiver intermittently responding when it feels like it so I want to go in and replace the old part, but I have no idea what the part number is.
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Re: IR Receiver is bad.
Here are the parts for your model available for purchase from vance baldwin. I'd suggest you give them a call and ask them whether they have the IR receiver (or the chip that the IR receiver is a part of). Since they have more parts for the newer model and older model, they may very well have other parts for your model, or the parts for the newer\older models may be compatible with your model.
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yes you have a bad ir receiver.replace the main digital pcb.the way to check it requires a
o-scope but the ir reciver is not sold seperate from the main pcb.the only way to repair is replace the board.shopjimmy.com has the board for less than 100.00.
I ASSUME IT'S JUST THE REMOTE YOU'RE SPEAKING OF- FIRST, IF YOU HAVE A DIGITAL CAMERA, OR CAMERA PHONE, AIM IT AT THE INFRA-RED LED'S ON THE FRONT OF THE REMOTE, AND PRESS BUTTONS [LIKE POWER OR CHANNEL] - THE CCD'S USED IN DIGITAL CAMERAS ARE VERY SENSITIVE TO IR, AND YOU SHOULD SEE A WHITE LIGHT [IMAGE] OF THE LED'S, EITHER STEADY, MOMENTARALLY, OR PULSING. IF THE REMOTE HAS BEEN DROPPED, THERE IS A CCHANCE THE CRYSTAL CONTROLLING THE FREQUENCY HAS BEEN DAMAGED. TRY A UNIVERSAL REMOTE, ALTHOUGH OFTEN YOU MAY LOOSE SOME FUNCTIONS, OR THE BUTTONS REACT DIFFERENTLY THAN LABELED. SELDOMLY, BUT IT DOES HAPPEN, THE IR RECEIVER SECTION OF THE SET ITSELF CAN FAIL. THE IR RECEIVER [LOOKS LIKE A DARK LED] CAN FAIL, AND THEY'RE COMMERCIALLY AVAILABLE AT RADIO SHACK
The IR reciever should be in the front of the set where the remote IR window is located.
I can tell you that there is a lot more that can go wrong than just the IR reciever. There may be a buffer amp along the way to the uPC, or there may be a fault with the uPC itself. The fault may also be a cold solder connection, or a missing supply voltage to the the IR reciever or to some of the components involved in the IR signal process.
In opening and working on your set, there are serious safety issues involved. You should be giving the set out to a trained and experienced TV tech for proper and reliable service.
I don't know of any adjustments for the IR receiver but the receiver itself could have gone bad or something may be blocking the IR lens not letting the IR signal get through.
Maybe (but unusual) there may be a cold solder joint in the IR circuit.
Sometimes dust will collect on the inside of the IR lens causing this problem.
You can verify the operation of your remotes by
holding them close to an AM radio receiver and pushing the buttons. You'll hear a popping sound through the radio speaker whenever a button is pushed. You may have to tune the radio up or down the band to pick up the remote's signal.