5-14
Flow Chart of Troubleshooting and Circuit Diagrams
5-8 Alert Tone
Abnormal Alert tone
ALERT by Test S/W
Is there alert wave form on the
R305 during alert tone test?
Is there alert wave form on the
Q300 pin 3 during alert tone test?
U470 pin 5 3.0V?
Check the circuit related to Q300
END
Check the circuit related to U470
Yes
No
Yes
Yes
No
No
Buzzer is ok?
Change the Buzzer
Yes
No
Содержание SGH-R210E
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 05 2002 Rev 1 0 GH68 02809A ELECTRONICS ...
Страница 11: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 12: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 37: ...5 12 Flow Chart of Troubleshooting and Circuit Diagrams U400 SPK300 U618 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...
Страница 44: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 19 Q403 U467 R575 R579 KeyPAD LED CON1 LCD LED GPO1 ...