HD2 mainboard component missing

[kew1701]

Hi,could anyone with knowledge confirm what component is it?



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It fall off pcb,and i could not find it

 

[kew1701]

Refreshing post

 

[kew1701]

b.u.m.p #2

 

[rlee008]

how do u know something is missing? maybe there was nothing there to begin with.... does the phone not work when u put it back together?

edit: after searching a bit i found a couple pictures that shows the HD2's motherboard and some show a black component there and some dont. see attached pics. so maybe yours didnt have anything there to begin with. these components are soldiered onto the board, components dont just fall off...

maybe it depends if your phone is a US or EURO model?

rlee

 

[tamerkilinc]

here you can buy a new one

go on cgi.ebay.de and put this following link behind

/Mainboard-Motherboard-For-HTC-hd2-leo-T8585-/260819122167?pt=LH_DefaultDomain_0&hash=item3cba07f7f7[/url]

 

[kew1701]

here you can buy a new one

go on cgi.ebay.de and put this following link behind

/Mainboard-Motherboard-For-HTC-hd2-leo-T8585-/260819122167?pt=LH_DefaultDomain_0&hash=item3cba07f7f7[/url]

does it has to be cgi.ebay.de?or can i use .com? bwwwwahaha,price is awesome

Well,component was stripped with screwdriver,not by me.

Btw,it is US version

 

[justmeandmyphone]

Empty places on boards are not unusual. Have a look on your PC's mainboard, I bet you'll find several of them there, too.
The reasons vary. At times it is because some feature originally was planned, but didn't make it into production. Redesigning the board costs much more than simply letting out some parts.
But most of the times it is due to variations of the hardware. Some chips need external parts while other, doing the same job, don't.
When you have to produce millions of a device, you have to consider that occasionally you can't use the exact chip types in all devices and partially have to use other compatible chips. So most boards are designed to cover several variants of equipment - where chip A needs this specific external piece, while chip B, which is soldered to your board, doesn't.

If your phone works flawlessly, then the empty space is ok, no reason to change anything.
If there really has been a chip on the empty place, there are explicit marks on the soldering pads. Are their surfaces clean and shiny? Then there has never been anything soldered to it, otherwise they have a rough surface, clearly showing that something was ripped off. This can happen if the soldering process was bad. But this happens really rarely, especially in upper class smartphones.

(Had this on a PC RAM some years ago, the EEPROM simply fell off the board... and some of the good old Nokia 6210 had problems with bad soldering, but this affected only a few pins of a single chip.)

So if you can post a macro pic of the empty place, I can have a look and tell you if there has been anything on it or not.

 

[kew1701]

Empty places on boards are not unusual. Have a look on your PC's mainboard, I bet you'll find several of them there, too.
The reasons vary. At times it is because some feature originally was planned, but didn't make it into production. Redesigning the board costs much more than simply letting out some parts.
But most of the times it is due to variations of the hardware. Some chips need external parts while other, doing the same job, don't.
When you have to produce millions of a device, you have to consider that occasionally you can't use the exact chip types in all devices and partially have to use other compatible chips. So most boards are designed to cover several variants of equipment - where chip A needs this specific external piece, while chip B, which is soldered to your board, doesn't.

If your phone works flawlessly, then the empty space is ok, no reason to change anything.
If there really has been a chip on the empty place, there are explicit marks on the soldering pads. Are their surfaces clean and shiny? Then there has never been anything soldered to it, otherwise they have a rough surface, clearly showing that something was ripped off. This can happen if the soldering process was bad. But this happens really rarely, especially in upper class smartphones.

(Had this on a PC RAM some years ago, the EEPROM simply fell off the board... and some of the good old Nokia 6210 had problems with bad soldering, but this affected only a few pins of a single chip.)

So if you can post a macro pic of the empty place, I can have a look and tell you if there has been anything on it or not.

Here,i added best macro i could get

 

[justmeandmyphone]

Looks to me as if the pads are virgins, have never seen any solder. So if your phone doesn't have any malfunction, everything should be fine.

 

[kew1701]

This component is smd female plug for led power thanks everyone for comments,maybe someone will have use of this...

Sent from my Milestone using XDA App

 

[yunbohuan]

Are the PA for HTC Touch HD2 from Avago?