5-10
Flow chart of Troubleshooting and Circuit Diagram
5-6 Speaker Part
Speaker does not work
Yes
U300 pin 4, 6 = 3 V ?
Ckeck U101 and related circuit
U300 pin 5 = "H" ?
No
No
Replace the PBA
Yes
Yes
Check for the clock signal at R304
No
Check the clock generation circuit
(related to U500 and Q500)
Yes
Modify the SPK pins
Check
the depression of
the SPK pins
Is Speaker working?
Change the Speaker
END
No
Yes
Yes
No
U303 pin 17, 18 = 1.8 V ?
CN201 pin 14, 20 = 1.8 V ?
Yes
Yes
No
No
Resolder U303
Resolder CN201
Содержание SGH-T100
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 04 2002 Rev 1 0 GH68 02699A ELECTRONICS ...
Страница 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...
Страница 13: ...2 PCB Diagrams 2 1 Main Top PCB Diagrams 2 1 ...
Страница 14: ...2 2 Main Bottom PCB Diagrams 2 2 ...
Страница 40: ...5 14 Flow chart of Troubleshooting and Circuit Diagram U400 CN201 REC PWO1P PW01N 7 17 REC REC ...