Motorola V3r Dead during testpoint - GSM-Forum

bbmad · 01-28-2007, 13:14

Morning all

I was trying to unlock the Motorola V3r (0A.52) using testpoint but when cutting the shield i think i have damaged the resistor near the testpoint (see picture). The handset no longer powers on and is completely dead.

Is there any way to resurrect this phone? Smartclip cannot detect the phone!

Thanks

Majid
www.mobilekrazy.com

James-R · 02-03-2007, 00:20

you can fix this problem if you get your meter out and do some testing.

have you fixed the phone? also its not a resistor its a capacitor you have ringed and its connected in parallel to the one to the left of it.

we have seen many dead phones like this.

br

damabib · 02-04-2007, 01:38

any help for dis man can be posteds in urgents...it hardware ..dont know much about dis anyway

fgl30 · 02-04-2007, 01:55

man, you´re really a "surgeon"........ :-)))

James-R · 02-04-2007, 11:35

the answer (fix) is in my post.

if you cannot use a multimeter, its best to find another job.

br

bbmad · 02-04-2007, 12:11

Quote:

Originally Posted by James-R

you can fix this problem if you get your meter out and do some testing.

have you fixed the phone? also its not a resistor its a capacitor you have ringed and its connected in parallel to the one to the left of it.

we have seen many dead phones like this.

br

Thanks for the information but what do i test? Phone is still dead!

Thanks

Majid
www.mobilekrazy.com

James-R · 02-04-2007, 12:17

ok,

you have shorted the cap (this happens mostly when people do the test point but leave the shield touching down on it and hence shorts it out, then when you power the phone is dies), but the one to the left of it is in paralell with it, so just remove the cap you have circled.

br

mansi · 02-04-2007, 14:54

missing caps does not power off a phone unless it is grounded its better to test phone if it still powers on after removing the metal cover, you can use another board to test where are this cap is connected to.
try to use a magnifing lenss to check damaged lines. (ripped off from the phones board)

sorry i cant help more

best regards

Mansi

James-R · 02-04-2007, 14:57

Quote:

Originally Posted by mansi

missing caps does not power off a phone unless it is grounded its better to test phone if it still powers on after removing the metal cover, you can use another board to test where are this cap is connected to.
try to use a magnifing lenss to check damaged lines. (ripped off from the phones board)

sorry i cant help more

best regards

Mansi

please read again, the problem is the cap has gone short, there are two caps in parallel one of them has gone short. remove it and the phone will work, tested many times.

regards

mansi · 02-04-2007, 15:04

ok thank you, but he saied "damaged the resistor"
he did not explane if its shorted or not, thank you.

James-R · 02-04-2007, 15:07

Quote:

Originally Posted by mansi

ok thank you, but he saied "damaged the resistor"
he did not explane if its shorted or not, thank you.

yes, you are correct. i tell from experience that this is probably the problem if the phone does not power up after tp unlock.

br

bbmad · 02-04-2007, 15:57

Thanks guy, the damage was to the capacitor not resistor. I'll change and let you know the details.

Thanks

Majid
www.mobilekrazy.com

James-R · 02-04-2007, 20:14

as i said, no need to replace it just remove it.

br

bbmad · 02-08-2007, 17:37

Thanks for all who responded. The handset has been revived after replacing the capacitor. I won't be doing any more manual testpoints!!!

Thanks

Majid
www.mobilekrazy.com

vanhh · 02-13-2007, 08:49

Quote:

Originally Posted by bbmad

Thanks for all who responded. The handset has been revived after replacing the capacitor. I won't be doing any more manual testpoints!!!

Where is the cap U replacing, i have same prob now phone dead and not connect with SC.
here my log:
Searching for phone... found Motorola Phone (V3r), getting test interface... OK
Model V3r
Firmware R3443U2_G_0E.C0.13R
Searching for phone... found S Blank Neptune LTE2, getting test interface... interface not found
Switching to flash mode... OK
Reading phone boot version... 3.00
Reading flash id... ST - M30L0R8000B0
Reading flash id/2... none, OK
Phone group: V235,V360,V360v,V3i,V3r,L7,L7v,K1
Hardware IMEI: 3525090xxxxxxx
Security area saved to "PDS for S Blank Neptune LTE2 3525090xxxxxxxx.mbk"
Unlocking phone... OK

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02-03-2007, 00:20	#2 (permalink)
James-R No Life Poster Join Date: Jan 2005 Age: 50 Posts: 1,678 Member: 104911 Status: Offline Thanks Meter: 42	you can fix this problem if you get your meter out and do some testing. have you fixed the phone? also its not a resistor its a capacitor you have ringed and its connected in parallel to the one to the left of it. we have seen many dead phones like this. br

02-04-2007, 01:38	#3 (permalink)
damabib No Life Poster Join Date: Jan 2005 Location: EVERYWHERE U GO Age: 46 Posts: 4,800 Member: 106026 Status: Offline Sonork: 100.77890 Thanks Meter: 127	any help for dis man can be posteds in urgents...it hardware ..dont know much about dis anyway

02-04-2007, 01:55	#4 (permalink)
fgl30 No Life Poster Join Date: May 2003 Posts: 1,357 Member: 27881 Status: Offline Thanks Meter: 11	man, you´re really a "surgeon"........ :-)))

02-04-2007, 11:35	#5 (permalink)
James-R No Life Poster Join Date: Jan 2005 Age: 50 Posts: 1,678 Member: 104911 Status: Offline Thanks Meter: 42	the answer (fix) is in my post. if you cannot use a multimeter, its best to find another job. br

02-04-2007, 12:17	#7 (permalink)
James-R No Life Poster Join Date: Jan 2005 Age: 50 Posts: 1,678 Member: 104911 Status: Offline Thanks Meter: 42	ok, you have shorted the cap (this happens mostly when people do the test point but leave the shield touching down on it and hence shorts it out, then when you power the phone is dies), but the one to the left of it is in paralell with it, so just remove the cap you have circled. br

02-04-2007, 14:54	#8 (permalink)
mansi No Life Poster Join Date: Jan 2002 Location: Jordan Age: 46 Posts: 767 Member: 8664 Status: Offline Sonork: 100.1573507 Thanks Meter: 56	missing caps does not power off a phone unless it is grounded its better to test phone if it still powers on after removing the metal cover, you can use another board to test where are this cap is connected to. try to use a magnifing lenss to check damaged lines. (ripped off from the phones board) sorry i cant help more best regards Mansi

02-04-2007, 15:04	#10 (permalink)
mansi No Life Poster Join Date: Jan 2002 Location: Jordan Age: 46 Posts: 767 Member: 8664 Status: Offline Sonork: 100.1573507 Thanks Meter: 56	ok thank you, but he saied "damaged the resistor" he did not explane if its shorted or not, thank you.

02-04-2007, 15:57	#12 (permalink)
bbmad No Life Poster Join Date: Jul 2004 Age: 45 Posts: 747 Member: 71874 Status: Offline Thanks Meter: 34	Thanks guy, the damage was to the capacitor not resistor. I'll change and let you know the details. Thanks Majid www.mobilekrazy.com

02-04-2007, 20:14	#13 (permalink)
James-R No Life Poster Join Date: Jan 2005 Age: 50 Posts: 1,678 Member: 104911 Status: Offline Thanks Meter: 42	as i said, no need to replace it just remove it. br

02-08-2007, 17:37	#14 (permalink)
bbmad No Life Poster Join Date: Jul 2004 Age: 45 Posts: 747 Member: 71874 Status: Offline Thanks Meter: 34	Thanks for all who responded. The handset has been revived after replacing the capacitor. I won't be doing any more manual testpoints!!! Thanks Majid www.mobilekrazy.com