5100 does not power on - GSM-Forum

nok95k · 11-17-2006, 12:29

My 5100 does not power on after replacing the batt connector, the "GND, VBATT and BSI" power voltages are present on the circuit board so the soldering is good. With Jaf I can run chk on the phone but info, service etc does not work. below is from jaf check out put. What could be wrong? advise of you experts greatly appreciated!

Getting MCU ID
MCU ID: 0x1120
FLASH ID0: 00EC22F2 -> ST Addr0: 0x01000000 - 0x01FFFFFF, SectorSize0: 10
FLASH ID1: 00000001 -> NOT USED Addr1: 0x02000000 - 0x02FFFFFF, SectorSize1: 0
First 16 bytes: 17:11:2006 14:07 -> AD 7E B6 1A 1B BE 0B E2 7D 58 6B E4 DB EE 65 14
Checking RAM for ALGO...
Algo is ready...
Done!
Phone Restarted...

fonegeeks · 11-17-2006, 13:47

Pad possibly torn off board underneath.Solder pads again, and see if they connected properly.measure at test points to confirm

nok95k · 11-17-2006, 14:13

Thanks, did that as I too suspected the pad connections, the voltages are on the pcb.

fonegeeks · 11-20-2006, 12:29

perhaps you could give me a history of the handset.Why did you need to replace the batt conn?, was it torn off, or just damaged?. Let me know, it could be a problem elsewhere....

11-17-2006, 12:29	#1 (permalink)
nok95k Junior Member Join Date: Sep 2005 Location: sri lanka Posts: 18 Member: 180200 Status: Offline Sonork: na Thanks Meter: 4	5100 does not power on My 5100 does not power on after replacing the batt connector, the "GND, VBATT and BSI" power voltages are present on the circuit board so the soldering is good. With Jaf I can run chk on the phone but info, service etc does not work. below is from jaf check out put. What could be wrong? advise of you experts greatly appreciated! Getting MCU ID MCU ID: 0x1120 FLASH ID0: 00EC22F2 -> ST Addr0: 0x01000000 - 0x01FFFFFF, SectorSize0: 10 FLASH ID1: 00000001 -> NOT USED Addr1: 0x02000000 - 0x02FFFFFF, SectorSize1: 0 First 16 bytes: 17:11:2006 14:07 -> AD 7E B6 1A 1B BE 0B E2 7D 58 6B E4 DB EE 65 14 Checking RAM for ALGO... Algo is ready... Done! Phone Restarted...

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11-17-2006, 13:47	#2 (permalink)
fonegeeks Freak Poster Join Date: Oct 2005 Location: perth aust. Posts: 125 Member: 188959 Status: Offline Thanks Meter: 7	Pad possibly torn off board underneath.Solder pads again, and see if they connected properly.measure at test points to confirm

11-17-2006, 14:13	#3 (permalink)
nok95k Junior Member Join Date: Sep 2005 Location: sri lanka Posts: 18 Member: 180200 Status: Offline Sonork: na Thanks Meter: 4	Thanks, did that as I too suspected the pad connections, the voltages are on the pcb.

11-20-2006, 12:29	#4 (permalink)
fonegeeks Freak Poster Join Date: Oct 2005 Location: perth aust. Posts: 125 Member: 188959 Status: Offline Thanks Meter: 7	perhaps you could give me a history of the handset.Why did you need to replace the batt conn?, was it torn off, or just damaged?. Let me know, it could be a problem elsewhere....