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5. Flow chart of trouble shooting and Circuit Diagram
5-1 Power ON
5-1
Flow chart of trouble shooting and Circuit Diagram
'POWER ON'does not work
Charge the Battery
Check the Battery Voltage
is more than 3.2V
No
Yes
Yes
Check U116 and the path from +VBATT
to BAT101
The node
between D110 and BAT101 = 3V ?
No
Yes
U117 pin 1,4,10 > 3.2V
Check the circuit related to U117
No
END
U463 pin 1, 3 = "H"?
Check the circuit related to U463
No
Yes
Check the initial operation
U463 pin5, 7 = 2.9V ?
Check U463 and related circuit
No
Yes
Check for the clock signal at R301
Check the clock generation circuit
(related to U303 and U301)
No
Yes
Yes
Summary of Contents for SGH-A200
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 01895A ELECTRONICS ...
Page 12: ...Exploded Views and Parts List 1 9 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...
Page 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Page 14: ...PCB Diagrams 2 2 2 1 1 Main RF Top ...
Page 15: ...PCB Diagrams 2 3 2 1 2 Main Base Band Top ...
Page 16: ...PCB Diagrams 2 4 2 2 Main Bottom ...
Page 17: ...2 5 PCB Diagrams 2 2 1 Main RF Bottom ...
Page 18: ...PCB Diagrams 2 6 2 2 2 Main Base Band Bottom ...
Page 46: ...Flow chart of trouble shooting and Circuit Diagram 5 16 RI_LIGHT R706 Q101 3 CN503 KPCB A SSY ...