3210 switch off - GSM-Forum

doctorvatson · 02-26-2002, 09:17

The phone is switching off just after I switch on it. With or without charger there is the same. Battary is ok.<br />Any advice please.<br />(searching in old topics give no result about this problem, only freezing... drop signal...)

pornopig · 02-28-2002, 03:12

try refresh tha battery connector soldering
try refresh tha soldering L1021.
Check if this happens only with 5V SIM-cards and if the phone works probably with 3V SIM´s
Not OK go to No.12
2. Check X101 and X102 i poor soldered, bent or soiled / bottom
3. Check amplitude of 32,768 kHz square wave at C149 (OK go to No. 9) / bottom
4. Change or check soldering of B100 / bottom
5. Change or check soldering of C147 / bottom
6. Change or check soldering of C148 / bottom
7. Change or check soldering of C153 / bottom
8. Change or check soldering of N100 / bottom
9. Check amplitude of 13 Mhz, RF Clk C301, 2,8Vpp (Not OK change G701, V702) / top
10. Check VBB 2,8V DC on C117 / bottom
11. Change or check soldering of N100, C117
12. Check the 5V supply voltage on C136 with an oscilloscope / top
13. Change C136 if the noise is higher than 350mVpp / bottom

regards
****opig

doctorvatson · 02-28-2002, 05:49

Thank You for quit full answer.

02-26-2002, 09:17	#1 (permalink)
doctorvatson No Life Poster Join Date: Aug 2001 Location: Russia Moscow Age: 46 Posts: 567 Member: 5889 Status: Offline Thanks Meter: 0	3210 switch off The phone is switching off just after I switch on it. With or without charger there is the same. Battary is ok.<br />Any advice please.<br />(searching in old topics give no result about this problem, only freezing... drop signal...)

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02-28-2002, 03:12	#2 (permalink)
pornopig Freak Poster Join Date: Aug 2001 Location: Tha Home of DirkDiggler Posts: 120 Member: 5908 Status: Offline Thanks Meter: 1	try refresh tha battery connector soldering try refresh tha soldering L1021. Check if this happens only with 5V SIM-cards and if the phone works probably with 3V SIM´s Not OK go to No.12 2. Check X101 and X102 i poor soldered, bent or soiled / bottom 3. Check amplitude of 32,768 kHz square wave at C149 (OK go to No. 9) / bottom 4. Change or check soldering of B100 / bottom 5. Change or check soldering of C147 / bottom 6. Change or check soldering of C148 / bottom 7. Change or check soldering of C153 / bottom 8. Change or check soldering of N100 / bottom 9. Check amplitude of 13 Mhz, RF Clk C301, 2,8Vpp (Not OK change G701, V702) / top 10. Check VBB 2,8V DC on C117 / bottom 11. Change or check soldering of N100, C117 12. Check the 5V supply voltage on C136 with an oscilloscope / top 13. Change C136 if the noise is higher than 350mVpp / bottom regards ****opig

02-28-2002, 05:49	#3 (permalink)
doctorvatson No Life Poster Join Date: Aug 2001 Location: Russia Moscow Age: 46 Posts: 567 Member: 5889 Status: Offline Thanks Meter: 0	Thank You for quit full answer.