In addition to the 2 case screws under the GPS there are also 2 at the bottom of the unit which are hidden under flat round plastic covers. When all 4 screws are removed the case is still held by 8 internal clips one at each of the top corners, 2 on each side and 2 on the bottom edge. These can be release by pressing a fingernail into the gap between the top and bottom parts - note it is the top which must be pressed in to release the clips - start with the sides near the bottom of the screen. Once inside there are 4 screw holding the board in - 2 at the top corners, one at bottom right and 1 on the left side (under the gold cable to the screen). FInally the white connector at the top left must be disconnected (the GPS connection) and the the board together with screen can be removed by gently prising the board from the case.
Not difficult - but delicate and could be fragile.
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You need to change the battery. It is not a fun thing to do. Do a word search for Navman PIn 570 Replacement battery either on Google or Ebay. You have to disassemble the unit to get to the battery that is taped to the unit's motherboard. There are hidden screws on the back of the unit, then you have to gently pry the 2 halves off. Big Heads up here: the round dial on the left side...be sure to tape that in place when you first disassemble the unit, otherwise it falls out into 2 or three pieces...that dial is a pain to get back together if you do not tape it.
I recently replaced the battery on my unit. There are two additional screws on
the back of the unit, near the bottom in addition 2 screws under the flip up antenna. They are covered by small black plastic
discs which need to be pried off first. After removing the rear cover with a knife edge (or similar) there are
several other screws which attach the circuit board to the front of the unit
which need to be removed. Note that the one near the edge should only be
loosened, and the board slid out sideways. Once this has been done you should be able to access the battery which needs
to be pried off the board, as it is attached with an adhesive patch.
(If the battery is totally dead it takes about a day before the charge led starts flashing.)
Remove SD card and place the Navman on a soft surface face down so that you do not scratch the LCD screen.
- Take out 4 screws ONLY. 2 under the gps antenna and two hidden black discs at either side of the bottom on back of unit,Make sure you use a small Philips screwdriver.
- Use your finger nail very carefully around the edges, go extremely
slow to detach the cover. Once it opens, make sure of the Power switch
button, they seem to fall off.
- Remove clear tapes at the battery connector. DO NOT pull up the
connector, you need to pull sideways and make sure do not use excessive
pressure while pulling.
- Place the new battery in same manner and also place battery cables
neatly so that the do not come in the way while closing the cover. The
LCD display should turn on. If it does not, look at the Battery
connector and make sure it is all the way in.
- Put the cover back slowly and then make sure nothing is dangling
along the edges. Do not forget to check the Power Switch button; it
should be in proper place. Press the cover firmly, it should snap in
- Charge the battery fully before using Navman.
- Insert SD card. You may need to reload Navman application software
or restore from SD card, if you stored on the SD card previously.
RECENTLY I DID PRETTY MUCH THE SAME THING
SO HERE IS WHAT I DID :
" I TURNED IT ON AND HIT THE HARD RESET AND THEN LEFT IT ON TILL ALL P[OWER WENT AWAY FROM UNIT
SECOND I HAD TO DOWNLOAN A NEW VERSION FOR MY UNIT ; MEANING MAP
THEN I TOOK THE BATTERY OUT AND AND PLUGED IN MY USB CORD AND IT TOOK IT
I PUT MY BATTERY IN AND CHARGED OVER NIGHT AND WELL IT SEEMS LIKE A LOT TO DO BUT FROM WHAT I UNDERSTAND MY DRIVER GOT BOOTED OFF THE UNIT AND ANOTHER DRIVER FOR A MODEL WAS ATTACHED
HOW I DONT KNOW BUT MY UNIT WORKS NOW FOR THE LAST 4 MONTHS NO PROBLEMS
maybe there is a flat or stuffed lithium battery or battery charging circuit in the pin 570. fix: leave unit to charge for 24 h if
the battery still dosnt charge because it is over discharged, then you
may be able to push some charge in it after the battery is unplugged,
after opening the case, and removing the circuit board
There are 2 little black tabs at the botton of the back that you have to remove, behind these there are 2 screws u remove, and flip the ariel up and there are 2 screws under there you remove also.
The body is clicked together use a guitar pick, ur fingernails or small scewdriver to seperate the 2 sections.
Inside you will see a few screws holding the systemboard down, if need unscrew them.
you will see the battery its stuck onto the system board... be carefull seperating it,.. use a flat intrument or a butter knife to work it of the board ( its stuck on with double-sided tape or some kind of silicon)..
maybe there is no memory caused by a flat or stuffed lithium battery or battery charging circuit in the pin 570. fix: leave unit to charge for 24 h if the battery still dosnt charge because it is over discharged, then you may be able to push some charge in it after the battery is unplugged, after opening the case, and removing the circuit board.