Question about Sennheiser MX 500 Headphones
I just replaced the 2 AAA duracell batteries yesterday because the previous batteries leaked (white crust inside battery compartment) I cleaned it with a cottonball & minimal alcolhol but now it's happened again today. It's this a defect? Is there something else I should be doing?
Your advise please,
SOURCE: There in no green light
The green light only comes on when it is receiving an audio signal.
Standard batteries will work.. if you NEVER use the charging station.. and plan on replacing them every x number of hours used.. IMPORTANT.. if you forget.. and place the headset on the charging station with standard batteries.. they will probably rupture.. and may well ruin the headset..
If you decide to replace the chargable batteries.. make sure you replace them with the right size and type..
Posted on Apr 24, 2009
SOURCE: The left headphone of my
First of all if the right side is working the wireless is working alright and the fault is in the processing section, the left audio preamplifier , the left side power amplifier and the left side earpiece. The advice/tip given is with the belief that you are competent. You must attempt to do it yourself only if you are technically/logically able, especially when dealing with delicate devices, damaging while trying to open, Probing electrical/electronic circuits with high voltage or delicate components. Since the advice given by me is with the inputs provided and not based on a visual inspection, there can be further reviews required in some cases.
So you might have to test with a audio signal to confirm from the preamplifier, the low-power amplifier driver for the earpiece and the earpiece.
Once this is confirmed the focus can be the wireless section, possible fault in the receiving section.
The use a a multimeter to check and knowledge of electronic circuits is necessary to check around this section. Please check and respond.
The advice/tip given is with the belief that you are competent. You must attempt to do it yourself only if you are technically/logically able, especially when dealing with delicate devices, damaging while trying to open, Probing electrical/electronic circuits with high voltage or delicate components. Since the advice given by me is with the inputs provided and not based on a visual inspection, there can be further reviews required in some cases.
Posted on Oct 09, 2010
They specify 2 x AAA size Ni-MH rechargeable battery, 1.2 V
It should run with standard batteries but don't place it in the charger with them installed.
Posted on Feb 04, 2011
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Jan 16, 2013 | Pyle PHPNC45 - High-Fidelity...
I will assume you have tried tuning them via the control mounted on the headphones and still get nothing from the left ear.
First try a different channel setting on the base and retune the headphones.. if this doesn't fix it..
Check all your connections.. at the headphone base as well as the source.
Also I suggest trying them on a different source.
Since you did not mention what the source is.. I will make a few additional suggestions.
If plugged into an amplifier.. try repeated switching between output sources.. If the amp is playing fine through both speakers.. pick up an inexpensive adapter that will allow you to plug the red and white rca jacks into a headphone jack, then try HP output. (some RS 120 units shipped with this adapter)
If the source is the television itself check the connections on the back.. and check your balance settings on the sets main menu.
Depending on how old the headphones are along with frequency of use you may need new batteries.
Make sure the batteries are fully charged.. remove them and test the voltage.. they can do this for you at Radio Shack if you don't own a volt ohm meter or some other testing device.
Replacement batteries are not that expensive.. just make sure you replace them with the exact type (AAA - NiMH) and allow plenty of time for them to charge before use (overnight)
This last bit of advice I suggest caution.
You can put a fresh set of AAA standard batteries in the headphones and test them.. DO NOT PUT THE HEADPHONES ON THE CHARGING CRADLE with these batteries or you MAY DAMAGE THE HEADPHONES.
In fact I suggest you place a piece of tape or something on the cradle before you do this to remind you.. once you finish testing the headphones with standard non rechargeable batteries .. again trying different settings and tunings the set.. If they work .. you probably need a new set of rechargeable batteries..
This is a quick and dirty way of testing/comparing.. but REMOVE the standard batteries immediately after this test. Placing the headphones on the charging cradle with standard batteries in place could cause them to rupture and leak into the headphones.. so again.. be careful if you decide to test them in this fashion.
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