3310 very low ringing volume - GSM-Forum

Hanukkah · 10-19-2002, 02:05

Buzzer is ok.

Buzzer pad to vb is good.
Buzzer pad to N400 is good.

Replaced already N400.

Anyone experienced this too? Any tips please. Thanks

willy · 10-19-2002, 04:12

Vir,
1: Buzzer connect still no good
2: measure 0 ohm from MAD to N400 pin3 !

Willy

Hanukkah · 10-19-2002, 14:39

Thanks Willy. I measured from CPU buzzer PWM to N400 Pin 3 not 0 ohms. Difficult to jumper to CPU test marks, as the sides where covered with epoxy. Anyway 3310 not worth changing CPU... I'll just keep this for spares.=)

10-19-2002, 02:05	#1 (permalink)
Hanukkah No Life Poster Join Date: Jul 2001 Location: RP Age: 48 Posts: 890 Member: 5246 Status: Offline Thanks Meter: 9	3310 very low ringing volume Buzzer is ok. Buzzer pad to vb is good. Buzzer pad to N400 is good. Replaced already N400. Anyone experienced this too? Any tips please. Thanks

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10-19-2002, 04:12	#2 (permalink)
willy No Life Poster Join Date: Mar 2000 Location: inside NOKIA phone Age: 58 Posts: 1,677 Member: 1060 Status: Offline Thanks Meter: 10	Vir, 1: Buzzer connect still no good 2: measure 0 ohm from MAD to N400 pin3 ! Willy

10-19-2002, 14:39	#3 (permalink)
Hanukkah No Life Poster Join Date: Jul 2001 Location: RP Age: 48 Posts: 890 Member: 5246 Status: Offline Thanks Meter: 9	Thanks Willy. I measured from CPU buzzer PWM to N400 Pin 3 not 0 ohms. Difficult to jumper to CPU test marks, as the sides where covered with epoxy. Anyway 3310 not worth changing CPU... I'll just keep this for spares.=)