It's been a while since my first pictures were posted for the internal
components, so after permission from site admin gryph0n I have created a guide on
how to take the phone apart.
These are all new pictures which include the never seen before keyboard stripped down to expose the circuit layout.
To open the main body of the phone you need a T5 Torx screwdriver
(I have posted in the past saying a T4 but later found out that was due to my old driver being worn out :oops:)
Remove the four screws, then you need a small flat bladed screwdriver to
unclip the two retaining clips in the middle sides of the body see below pointing to one of the clips, the other one is on the oppersite side.
WOW! That's great, thanks....
I would just like to add, that no one on this site is responsible for what you may do to your phone. These are pictures showing you the components of the MPx200. If you are not familiar with the inner workings of gadgets, then I recommend that you leave it to the professionals. Remember that it is your phone and you are the only one responsible for what you may do to it...
Just my 2 cents on the matter
Thanks for the pics. Any idea where the antenna is? Probably a stupid question, but would it be possible to slap an external antenna port in there somehow? I'd love to be able to do that.
thanks,
james
JamesV, I bellive that there is a member already working on that project, search the forums for it. Wraith already has included a pic elsewhere that the antenna is circled.
Yep the antenna is located in the bottom housing in the box section behind
the battery contacts.
Cool. I searched the forums and the web but nothing turned up. Wraith, would you please direct me to that picture with the antenna circled if it's still up anywhere?
thank you,
james
Here you go http://mpx200.org/index.php?name=PNphpBB2&file=viewtopic&t=3399&highlight=
Thank you. If I ever get the guts up to try this external antenna mod, I'll let everyone know.
-james
Thank you SO much this was just what i needed to fix the problem i was having with my speaker not working!!
Is it normal for the display to feel a little loose when its not completely opened or closed? I'm just wondering if something needs to be tightened. Thanks
Yes that's fine, as there is not any spring tension at mid point of the flip opening.
There slight movement when the phone is close but it is more stable when it is open.
Thanks!
Re: Antenna Mod.
I made an internal antenna mod to my generic OEM (actual tri-band, non-AT&T) phone.
1. I removed the back cover.
2. I took a piece of thin insulated single-strand wire, and wrapped it around a small "lock washer". (The washer provides good contact with the metal antenna plate, which is glued to the inside of the rear cover - read on).
3. I then took a piece of 3M "super strength tape" (it's got a padded backing), and placed the washer against the metal plate, about a third in from the left - the tape holds it in place and in electrical contact with the metal plate on the rear cover.
4. I ran the wire down the left side of the rear housing, and over the hole for the "rotary volume" selector, or whatever you call it. There is a groove down the inside/side of the rear cover that this thin wire will fit in.
6. The wire was cut at roughly 1.44 inches in length, measured vertically from the bottom of the metal plate antenna (This is a good length for 1900mhz - USA).
The mod has improved reception substantially for me. Especially in weak areas. The reason I used the tape, is so I can undo the mod, without causing any permanent damage.
By the way, I purchased a housing somewhere on the web - it was Orange branded, and this had a different antenna installed to the one in my phone. The antenna in my phone is only about half the width of the rear housing, whereas the Orange one runs the full width. (Motorola replaced my rear housing because of the SIM problem). I tried the Orange one, but it made no difference to the reception, when compared with my original, so I went back to my modded antenna.
When I get time, I will take a v66 antenna, and mount it on the spare rear housing. However, I suspect this will only give me the reception I have already gained from my mod, plus perhaps a bit more, due to the antenna being further away from the users hand when in use. Will report back sometime soon. Hope this helps.
my right direction key has died. if i were to go thru all this trouble, would a layperson(like me) be able to do something to fix it?
Not really as you would have to strip the keypad membrane which I do not advise.
The problem is possibly oxidisation on the plate of the white part of the keypad
(not shown in my pictures above)
wraith, any cahnce of better resolution pics of the chips in the RF section? I'm looking into what exactly they are capable of.....
mkestu sorry for not replying sooner been very busy but if I get time I will try.
Hey, I'm thinkin about doing the antenna mod, but am gonna hold off until I find out about this.
Was wondering if this type of addition might have adverse effects in terms of our exposure to increased amounts of radiation from the phone, and if so, by how much.
It wouldn't bother me if it increased it a little bit, but if it goes through the roof, then I'll pass.
Thanks
Hey, I'm thinkin about doing the antenna mod, but am gonna hold off until I find out about this.
Was wondering if this type of addition might have adverse effects in terms of our exposure to increased amounts of radiation from the phone, and if so, by how much.
It wouldn't bother me if it increased it a little bit, but if it goes through the roof, then I'll pass.
Thanks
Hey, has anyone tried to manually replace their speakerphone speaker?
Anyone know what the name of the speaker part is, or its product number or make, etc...?
Mine partially blew out when I played an MP3 file too loudly, and I don't want to send it to motorola b/c they might mess up all my settings/programs, aside from the fact that I need the phone for other uses on a daily basis.
Thanks all
Hi Awarner, could you put the pictures back online? That would be a great help to me.
I can't get the the two retaining clips in the middle sides of the body uncliped. No matter how much pressure I put on them with a screwdriver they remain where they are. Do I have to put extreme pressure on them? Or do I have to presure and pull the cover at the same time?
Thanks for putting the pictures backup!
Could you describe to me in detail how I should use the screwdriver to unclip the clip's; exactly which place do I have to put pressure on? Sticking the screwdriver in het whole and pressuring the metal doesn't make my MPx200 give in anything .
I have looked at this thread and dont fully understand it. I want to replace the entire housing of my MPx200 since I have dropped it twice, onto concrete, each time landing on part that is not inside the leather case. I love the little phone and do not want to replace it, so want to repair it.
Is it going to be easy to transfer the entire inner working from one case to another?
Thanks,
Darren
Sorry for not getting back sooner but I have been extremely busy with other Smartphone projects.
To unclip you have to place the screw driver against the clip and move it in an outward movement to unlatch it.
This take a little bit of effort and you must have the right side screwdriver to avoid any damage to the case or circuitboard.
Hope this helps.
You move the clips in and down. the case will move slightly so you have to be gentle as you only need to move the clip slightly.
Just remember to undo the screws first
Let me take a shot at this one...
I have been playing with my MPX200 for a couple of hours now trying to get into it, and your questions Oudkerk were a huge help. I was finally able to figure out what I needed to do. Let me share...
Put your screwdriver in the top position, and try to move the clip towards B&C at once. The clip itself will not move (at least mine didn't), but in fact, the plastic case then slips around the clip as it is pushed away from the center of the phone. Also, so you know, I was having such difficulty originally because the screwdriver I was using was TOO small. I chose another slightly larger and that helped immensely.
I was also hoping though that awarner could possibly post another picture of the antenna. When I click the link from earlier in this post, it just pushes me to the main forum page. I think I have it, I just want to make sure...
My problem is that my phone will no longer consistantly find a signal, and if it finds one, it will promply lose it for hours at a time. I know the area is WELL covered, and the phone used to work there. I put my sim in my old Nokia, and viola, so it isn't a SIM problem. I'm trying to see if anything looks untoward with the antenna itself...
Thx muchly...
AMSRWC
Yep screw driver in A and a BC movement.
it will unclip but it is tight the first time.
Also the antenna is located at the top of the phone in the picture above underneath
the smooth piece of casing.
Did it! Thanks guys.
To all others: the side wall has a pin sticking under the clip. So thats why you have to bend the side wall away from the clip to a point it almost feels like braking. A few dental sticks between the opening exteriour helped me to get the exterior up as sson as the pin was released from the clip.
I will try to post a new picture again explaining this better!
Puh.. felt like a journey getting the exterior from the MPx200. First ordered a T4 through ebay. Then a T6, when the 4 did not fit, then a T5 and then then the clip hurdle. Well hope getting a new fuse on it will be easier but it does look awfully small!
This might be a stupid question, but is there a way I can make my mpx200 to use 850mhz? To do this, do I have to modified the hardware/circuits or the firmware? I was thinking that I could take an 850mhz/frequency component from a phone that support that frequency(like nokia 8595), and put it in my mpx200, if it hardware related. Then I have to modified the software/firmware to look for 850mhz. Any suggest will be helpful. There got to be a way to do this.
Unless you can start changing chips at component level just for starters it's not possible.
Stupid me
pics are not showing!
I only got red Xs
Or I would do if I could actually edit my post :/
EDIT all sorted and pictures now uploaded
hello
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