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Re: key pad TALK button
I am sorry but while many phones can be opened with some common tools and a little dexterity, that phone model is manufactured and designed in a way where it cannot be opened by a consumer or even a gifted techie without destroying its integrity. It has no screws, and the method to open it without destroying it is completely based upon muscle memory and a specific tool. In addition, even if you were to open it without destroying the plastic you would clean the keys only to have them still barely work. I train technicians to open them, and I have to sit them down with bad ones that they can destroy to practice opening them without tearing them up. Once the plastic tabs that hold them together are busted, the phone won't stay together properly and then your costs just went up to replace the plastic once you finally get it to the repair facility. So the best advice I can give in this case is to send it in for repair so the keypad can be fixed and upgraded. If you go to the Siemens website, and reach the Gigaset area, look for the FAQs and they can direct you to a repair source. Their global site is pretty large, so if you get lost, you can google Siemens Cordless Repair to find a solution.
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This is a generalist answer not one specific to this phone!
One of two problems here, the circuit board still has dirt or water residue on it preventing the signals from the keypad from being interpreted properly (a short), or the keypad its self is not conducting the current from the button pads properly when pressed.
Because there are three keys not working then I would imagine its the first problem as the circuits for a keypad circuit is arranged in a grid and this look like the row conductor is not working.
Damage like this often occurs to mobile phones months after they get wet as they slowly corrode with the smallest amounts of water left sitting in between or under the chips on the boards. If the phone has had water spilt on it then it isn't usually a problem if dried properly, anything else though usually is more of a problem.
The rubber keypad can be removed and washed in warm soapy water. The underside of each button is a conductive rubber and needs to be free of any 'stickyness'. these are usually pretty robust. (Only the rubber bit with the printed numbers on it!)
Once cleaned pat dry, even put it somewhere warm dry, or use a hair dryer.. once your happy there is no water left in the buttons etc put it together and try the phone again. I suspect it wont fix your problem though but that's the easiest fix of the two. If you don't want to pay for it to be repaired then have a poke around as its not going to be much use as it is, you'll need to do a bit of investigative work.
Take the phone apart, look for a track on the main circuit board that goes to each area where the 789 buttons would sit, follow it from the buttons and eventually it will go to a black chip on the circuit board, somewhere between that chip and the button pads is your problem. Look how clean the circuit board is near that chip, its likely the 789 button track goes to one of the pins of the chip and it is shorting to one of the pins next to it. if you confident use a pin and gently scrap between the pins, check both sides of the board in the same area for anything dirt related.
If you can get hold of an air line blow under the chip where the tracks go, (make sure nothing is around that is loose on the board that can blow away)
Other than that without a friend with a soldering iron there's not a lot else you can do.
oh simple that happend to me all i did was try to call it several times, it worked after the 5th. this is happening cause the call isnt dialing the #s corectly. if this doesnt work and if its a cell phone, then restart your cell take the batery out and put it in and turn it on... it should work
I found this elsewhere: I've fixed this by taking the phone apart, finding where the pressure pads are under the button. I glued a small piece of aluminum foil on to where the pressure pad is. Aluminum foil is a good electrical conductor. It's a delicate process. I don't recommend doing this unless you know what you're doing. But if your handset is already dead/useless, give it a try. Put everything back together and the buttons work again.
First and foremost we need to know what system you have. Then we can proceed with how to program the button.
NEC Elite 48, 192, IPK 1
First pick the button you want to program. Lets say button 13 in this example. Next check to see if that button is programmed by pressing Feature and that key. If that key says Vacant then it is available for use.
Next you will need to hit "Feature and 4" on that station to find the port #. Port # is Tel 10 for example. That means port 10 is where your extension resides.
Now type in "Feature, #, 0 *, 8974". The phone should say Program Mode. Now look at the Line Keys. These are the keys right above the # pad. Count from left to right 4 keys. Hit Line Key 4 and then type 12 on the dial pad.
Now that we are in key programming we need to enter the port of your phone. Make sure the blinking cursor is on the far left. If not press * to move to the left. Now enter 10 (port 10 or Tel 10) on the dial pad. The cursor should be right near the L. If not then press # to move to that position on the right. Remember * will bring you back to the left and # to the right.
This is where you are to enter the key #. In our example it is key 13. Dial 13 on the dial pad. Next we are going to change the key to a headset key by pressing "Recall, Line key 3". It should say H Set on the right. Now that you have the proper key set you need to hit transfer to write the programming. Remember to try and find a key that is not programmed, this will ensure that you don't undo any programming that is already in place.
Any other system other than the NEC 48, 192 or IPK 1 will not work.
I WAS TOLD THE PROBLEM WAS PROBABLY THE BATTERY. AS THE BATTERIES ARE THREE YEARS OLD AND CONTINUE TO POWER THE UNIT I CAN'T BELIEVE IT'S THAT. IT STATES THAT THE BATTERY SHOULD LAST ONE YEAR AND WOULD INDICATE "LOW BATTERY". THE PHONES ARE ALWAYS IN THE CRADLES AND POWERED UP. I TESTED THE OUTSIDE LINE AND FOUND NO NOISE. AS THE BATTERIES ARE $20 EACH, I BOUGHT A NEW PHONE FOR $10. SINCE THEN, I HAVE RE-CONNECTED THE OLD UNIDEN PHONES, BOTH IN MY HOME OFFICE AND IN MY BEDROOM AND THEY SEEM TO WORK JUST FINE WITH A MINIMUM OF NOISE. THIS ALL OCURRED AFTER SEVERE SNOW, WIND AND RAIN STORMS.
THANKS FOR YOUR RESPONSE.
I have several of these same phones. I have found that when the battery is beginning to fail, the phone works but the display scrambles. A new battery should fix it. Also, take a pencil eraser and clean the contacts. This is actually the best phone I have even owned. Docbain
i think the moisture has entered into the keypad sensor where it must have shorted the leads on the keypad board... you should remove the keypad layer and make it dry thoroughly.. i would advise to take it to the service center for curing the keypad asap....if the phone is under warranty you can take it to the customer care
The handset can store up to ten 24-digit numbers with up to 15-character
names in memory for quick dialing. This memory feature is in addition to the
CID memory log, which stores up to 40 CID records in the handset.
Storing a Name and Number in Memory
1. Make sure the phone is OFF (not in TALK mode).
2. Press the mem button.
3. Press the desired memory location (0 through 9) or use Caller ID/vol (+ or
to scroll to the desired memory location.
NOTE: If the memory location is occupied, the memory
location number and its contents show in the display.
4. Press the mem button again. The display shows ENTER NAME.
NOTE: If you don?t want to enter the name, skip step 5.
5. Use the touch-tone pad on the handset to enter the name (up to 15
characters) and press the mem button to save. More than one letter is
stored in each of the number keys. For example, to enter the name Bill
Smith, press the 2 key twice for the letter B. Press the 4 key 3 times for the
letter I. Press the 5 key 3 times for the letter L. Wait for one second. Press
the 5 key 3 times for the second letter L. Press the 1 key to insert a space
between the L and the S. Press the 7 key 4 times for the letter S; press the
6 key once for the letter M; press the 4 key 3 times for the letter I; press
the 8 key for the letter T; press the 4 key twice for the letter H.
6. Press the mem button to save the name. The display shows ENTER TEL
7. Use the touch-tone pad to enter the telephone number you want to store
(up to 24 digits).
8. Press mem again to store the number. You will hear a confirmation tone.
NOTE: If you make a mistake press the del/chan button to
backspace and erase the wrong character(s) or number(s).
If there are any further questions or comments, please post here.
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The Problem is caused by a build up of a grease like substance between the conductive rubber on the key pad and the circuit board.
To solve the problem you will have to take the handset apart.
To do so remove the two screws in the battery area. Then using a knife that has thin blade
separate the face of the phone from the back cover. Once that is done remove the screw that hold the chassis to the front of the phone.
Lift the chasses from the front taking care not to break the wire going to the speaker. Take the Pad out.
Clean off any residue on the chasses of with some charcoal lighter fluid applied on a piece of soft cloth and wash the pad of with soap and water using a tooth brush to ensure that you get all the grease of.
The Pad is very fragile so take care not to apply too much pressure and tear it.
Dry it of properly before re applying. I use charcoal lighter fluid on a piece of soft cloth to clean of any remaining residue on the pad. This will take some of the rubber but it is then able to make contact with the circuit board.
Before closing up the handset reconnect your battery apply the pad to the circuit and check the pad to see if you still have the problem with any of the buttons. If you do clean the button again with the charcoal lighter fluid. This will solve your problem