Samsung Electronics
5-3
5-1-3 Base Band
POWER ON
Troubleshooting
‘POWER ON’ does not work
Give Battery Power
Check the Battery Voltage
is less than 3.2V
Charge the Battery
Check the path from BATT to U402
Check the path from D401 to U402
(DC/DC convert circuit)
Check the clock generation circuit
(related to U201 and U200)
U402 pin 5 3.6V
(when pushing pwr Key)
U402 pin 2, 3, 4
3.3V (when pusging
pwr Key)
Check for the clock siganl
at U408 pin 83
Check J301
Check the initial operation
END
Yes
No
No
Yes
No
Yes
No
Yes
Summary of Contents for SGH 600
Page 2: ...Samsung Electronics Co Ltd ELECTRONICS ...
Page 6: ...1 4 Samsung Electronics General Description MEMO ...
Page 20: ...3 4 Samsung Electronics Specification MEMO ...
Page 40: ...7 8 Samsung Electronics Electrical Parts List MEMO ...
Page 48: ...8 8 Samsung Electronics Exploded View and its Parts List 8 9 Hands Free Kit Diagram ...
Page 49: ...Samsung Electronics 8 9 Exploded View and its Parts List 8 10 Boost Kit ...
Page 57: ......
Page 58: ......
Page 59: ......
Page 60: ......
Page 61: ......
Page 62: ......
Page 63: ......
Page 64: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 68: ......
Page 69: ......
Page 70: ......
Page 71: ......
Page 72: ......
Page 73: ......
Page 74: ......