Samsung B1445AVGW/YLW Service Manual page 20

8-2-4. Checking The Part Of An Oscillator
When The Micom 22,23
Check, The Value Is
16Mhz?
Exchange Micom And Check R42,R41
8-2-5. Check The Part Of Buzzer
ⓐ Part Confirm DC12V ?
Exchange BUZZER1,
Check R5,R46
YES
YES
BUZZER1
ⓐ
R5 1K
NO
NO
Check The Part Of Power Source
IC2
R46 10K
ⓑ
19
Check Resonator
R41 68
23
R42
1M
22
RESO1
16MHz
65