Samsung WF-F1256 - PCB Oscillator and Buzzer Checks

39
6-2-4. Checking The Part Of An Oscillator
6-2-5. Check The Part Of Buzzer
When The Micom 22,23
Check, The Value Is
16Mhz?
Check Resonator
Exchange Micom And Check R42,R41
ⓐ
Part Confirm DC12V ?
Check The Part Of Power Source
Exchange BUZZER1,
Check R5,R46
NO
YES
NO
YES
65
R46 10K
BUZZER1
R5 1K
IC2
ⓐ
ⓑ
23
22
R41 68
RESO1
16MHz
R42
1M