3210 no ring - GSM-Forum

doctorvatson · 03-07-2002, 15:02

All work fine , but no ring
any Idias?

D-Brain · 03-07-2002, 19:39

Hi doctorvatson!

Check buzzer if is damaged or unsoldered, then check connection between buz and N400 (smd ic near keyboard pads), the buzzer should be connected to GND and to PIN6 of N400.

Good luck.

doctorvatson · 03-08-2002, 00:38

thank You , but buzzer is ok, contacts seems to be ok too ( already rehot it and tried change ic near keypad)
Any ideas else?

D-Brain · 03-08-2002, 06:30

The service manual says: BAD CPU, change logic board!

(

tagoy · 03-08-2002, 06:59

just check continuity from nmp70433 pin6 to buzzer (-) terminal and (+) terminal to backlights anode. all i encountered with that prob were jst open ckt.

wish u luck!

looker · 03-08-2002, 07:24

Tagoy is right, try to check this. If ist not ok, connect it by the thin smalt wire but be careful with short connection.
Check pwr consuming.

doctorvatson · 03-12-2002, 17:50

Thank s. still tring to repairb

Mod · 03-16-2002, 07:19

Thanks for good explenation.
Repaired my 3210

regards
Mod

03-07-2002, 15:02	#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 no ring All work fine , but no ring any Idias?

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03-07-2002, 19:39	#2 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Hi doctorvatson! Check buzzer if is damaged or unsoldered, then check connection between buz and N400 (smd ic near keyboard pads), the buzzer should be connected to GND and to PIN6 of N400. Good luck.

03-08-2002, 00:38	#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 , but buzzer is ok, contacts seems to be ok too ( already rehot it and tried change ic near keypad) Any ideas else?

03-08-2002, 06:30	#4 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	The service manual says: BAD CPU, change logic board! (

03-08-2002, 06:59	#5 (permalink)
tagoy Junior Member Join Date: Mar 2002 Location: pinas Age: 49 Posts: 30 Member: 9949 Status: Offline Thanks Meter: 0	just check continuity from nmp70433 pin6 to buzzer (-) terminal and (+) terminal to backlights anode. all i encountered with that prob were jst open ckt. wish u luck!

03-08-2002, 07:24	#6 (permalink)
looker Insane Poster Join Date: May 2001 Location: Europe Posts: 72 Member: 4747 Status: Offline Thanks Meter: 0	Tagoy is right, try to check this. If ist not ok, connect it by the thin smalt wire but be careful with short connection. Check pwr consuming.

03-12-2002, 17:50	#7 (permalink)
doctorvatson No Life Poster Join Date: Aug 2001 Location: Russia Moscow Age: 46 Posts: 567 Member: 5889 Status: Offline Thanks Meter: 0	Thank s. still tring to repairb

03-16-2002, 07:19	#8 (permalink)
Mod Insane Poster Join Date: Feb 2001 Posts: 65 Member: 3358 Status: Offline Thanks Meter: 1	Thanks for good explenation. Repaired my 3210 regards Mod