Question about Pioneer VSX-D509S Receiver

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The negative battery connection came loose from the circuit board

The remote control has space for TWO AA batteries. The cells are placed in ''series''. The negative wire (conical shaped spring) that leads to the circuit board has come loose and does not complete the circuit any longer. What is best way to resolder to a circuit board?

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Radio shack sells a cheap entry level soldering kit
and there are videos on line on how-to solder..check you tube

Posted on Feb 08, 2009

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Posted on Jan 02, 2017

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My Toshiba remote control se-r0077 sometimes works to control the DVD player and other times it doesn't. I've tried new batteries and the problem still persist s


One of the best ways to check if an infra-red remote controller is working properly is to look at it using a camera. (a webcam or phone camera will work) The camera will see the infra red radiation as visible light. If the LED lights up (on camera) consistently when buttons are pressed, then it may not be the remote at fault, but rather the receiver in the DVD player. Most of the time though, it IS the remote control at fault, and these are usually easy to get working again.

Couple of things to check are:

1) the battery terminals...
Batteries can leak and corrode the terminals in the battery compartments. Signs of this include rust, green coloured contacts, or a crystalline deposit. If you see any of this then clean the contacts using metal cleaner or some methylated spirit and cue-tips.

2) Broken wires connecting battery terminals to the circuit board...
The soldering in some remotes can be rather poor, and wires can sometimes come loose, especially if a remote has been dropped or bashed about a bit. Unscrew the remote and check everything is connected properly


3) Dirt under the buttons...
This can prevent a button from making contact with the circuit board properly. Unscrew the controller and separate the rubber button pads from the circuit board check for dirt both underneath the pads AND on the metal contacts on the circuit board. Clean as required with methylated spirit and cue-tips and then reassemble.


Hope that helps!

Jan 07, 2017 | Toshiba Televison & Video

2 Answers

How do i disassemble the DirecTV RC71 Remote?


Check for more screw(s) behind the label/sticker. Also, you may need to have a flat edge screwdriver or knife to prise open the remote.

Sep 24, 2014 | Directv Televison & Video

1 Answer

IPod classic stopped working. No response at all. It was working fine one day and the next day, nothing.


batterys are loose with intermittent power to thermostat circuit board place a tightly folded aluminum foil to about a 1/4inch square and place it between or at either end of the AA batteries. This tightens the connection and makes for a better contact.

Oct 08, 2012 | Apple iPod classic 80 GB Digital player -...

1 Answer

My remote is not working and I change the batteries I think its the spring thathplfs the batteries what t o do


If the remote shows no lights when buttons are pushed it could be the contacts for the batteries.

A flat contact at the positive + of the battery and a spring or flat tab at the - negative of the battery.

Look if batteries are loose to slightly bend the negative contact so battery is in firmly and can be moved but is not loose.

Also look at the connections---any signs of discoloration on them may indicate a battery leaks and left a white residue.

Here is some general information concerning remotes that may help you:
Remote issues and answers:

If you are using a "universal" remote do not expect it to if it evenprograms to have all the functions you need or had with the"original" remote.

If you are searching for codes for a universal to program it: GOOGLE the modelnumber of the remote for "codes" or if you do not have the ownermanual GOOGLE the model number of the remote for "manual".

Some remotes have a search feature that allows you to try all codes on at atime.

Universal remotes are far from UNIVERSAL.

If you have a remote that does not work at all--have it tested first: a remotetester is used at many electronic repair centers and places like Radio Shack for example.

Point remote at the tester and press any button and a strip or light willflash----some digital cameras will also react on display screen to this.

If dead check the battery/s and the connections where they go and if only somebuttons have to be pressed hard the unit may have had something spilled on it:it can be taken apart and cleaned in a proper way to resolve this.

If it has been dropped it can also be taken apart to see if the infrared LED/sat its sending end have come loose from the circuit board inside the remote.

Lastly is the best argument for an original remote is on many sets even if itprograms it will just not have all the needed functions the original one had.

Many companies especially on units with DVD OR VCR built in change the codewith each model and or year as most of these are not actually made by thecompany whose name is on the unit.

Let me know if you have further questions and I will try to help.

Apr 01, 2012 | Televison & Video

2 Answers

Well the remote was dropped and came open,the battery flew out.i replaced it but the truck lockes won't respond.


Do any of the other functions work? Since the battery came out, you may need to take it to a dealer and have the remote re-keyed to your specific car. If other functions do work, the circuit board in the remote might have been cracked across the traces to that particular button.

Apr 30, 2011 | Nissan Armada Cars & Trucks

1 Answer

Changing rechargeable battries 45-40


Metz 45-40 consist of 6 nos of NiCd - AA size batteries connected in series. These battery packs can be rechanged by resoldering new set of AA size rechargable Nicd battries. Care should be taken not to short circuit the cells when disassembling and assembling the cells. Keep a note (sketch) of the connections of the cells, specially the longer connecting metal strip and the polarities of cells. re-solder the new set of AA size NiCd Batteries. If the old wires were corroded, use new wires' If the connecting terminals also corroded' clean it. If it is severely corroded, get it plated prior to fixing for better performance.. There is an charging indicating lamp which also control the charging current of the batteries. check its connections and solder it if required. I wish you got the answer for your problem.
H.D. Shirantha.

Sep 07, 2010 | Metz 45 CL-1 Flash

1 Answer

I have a Sony icf 2010. No sound, but white noise.


AA batteries need replacing or the contacts are corroded and one more, the PC board is connected to the AA negative post by a wire that touches the pad on the PC board. Sometimes it will lose contact because of oxidation or corrosion, to fix this a wire soldered is best but just repositioning the wire will make the cure. Requires removal of the circuit boards.

Jan 20, 2010 | Sony ICF-2010 AM/FM/SW Radio

1 Answer

Remote keyless intermittent function


I had the same problem. If your car is still under warranty, simply go to the dealer and have the keyless entry remotes replaced. If your car is not under warranty and you do not want to fork over the hefty fee for new remotes, you should be able to repair them yourself.

If you open your keyless remotes, you will likely find that the contacts which hold the battery in place have come unsoldered. Basically, the problem lies in the fact that Daimler/Chrysler used a cold soldering method when adhering the battery contact to the circuit board in some of these remotes. Under normal wear, these cold soldered contacts will eventually bust loose.

In order to repair the remote(s), you will need a soldering iron and solder.

1)Remove the screw from the back of the remote. Pry apart the two halves of the remote using a dime or penny.

2)Remove the circuit board, placing it battery side up. Remove the battery.

3)Carefully place the battery holders contact pins back into their respective holes.

4)Take care to put a small amount of solder on each of the loose contact pins. Put a small bead in both the back and front of each contact pin.

5)Replace the battery and put the circuit board back into the remote. Test to make sure the remote is functioning properly, then snap the back of the remote on and replace the screw.


Don't thank me, credit for how to repair this issue goes to 'Sodapop' from custommagnums.com.

May 01, 2009 | 2005 Dodge Magnum

1 Answer

Jeep hard to start then wont idle


Batteries are only good for about 5 years, any older and you risk a dead one in the middle of winter. First make sure your battery cables are tight and you do not have any corrosion (white residue) on them. Next, you should run to autozone and have a free check of your battery and alternator. If you are electronically inclined you can do this procedure to check your battery on your own.

Hook multimeter to battery, it should ready >12 VDC--tests battery condition
Crank car, it should read >13.5--tests alternator charging capability

Turn car off, wearing rubber gloves/eye protection undo battery vent caps (should be 2 of them, depending on the battery). Have baking soda and clean water handy if you get acid on you. Just rub with baking soda and rinse with water.

With vent caps off, you will see 6 holes on the top of the battery. Each hole represents a series circuit, much like putting 2 AA batteries in a remote control to make the voltage 3 volts. Each cell is a multiple 2 volts. Place negative lead of multimeter on negative of battery, Next place positive lead inside battery cell until you are touching the acid. Going in sequence, each cell should give you a reading of 2,4,6,8,10,12 volts. If one cell doesn't give you a multiple of 2 volts, it is a "dead" cell and the battery will need to be replaced.

Also be advised that the alternator is not designed to charge a dead battery, only keep a good battery charged. If you keep charging your bad battery, you alternator will be the next to go. This is why they seem to go in pairs.

Oct 21, 2008 | 1998 Jeep Cherokee

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