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24 Buzzer
24.1 How to find the fault
Start the phone in the test program.
Go to Audio\Audio/Buzzer.
Activate the buzzer with "Buzzer ON".
Measure the voltage on activated buzzer according to fig above. Fig. 24.1
Connect a load 5.6 ohms across J600, if buzzer not is connected.
If the voltage on pin 1 is too low Fig. 24.2. check VBATT on both sides of R606.
If VBATT is to low at R606 then it is either foil damaged to R606 or one of R606, C620 or
V605 is faulty.
4/00021-3/FEA 209 544/18 B
Fig. 24.1
Fig. 24.2
Trouble Shooting Guide, Advanced
105(121)
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