![background image](http://html.mh-extra.com/html/samsung/sgh-e200/sgh-e200_service-manual_1190516033.webp)
SAMSUNG Proprietary-Contents may change without notice
9. Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-1
9-1. Power On
Yes
Yes
Check the initial operation
Yes
No
Check the clock generation circuit
(related to
OSC300
)
Check for the clock at
C310
= 26MHz
Yes
No
Check the +VDD_GSM_CORE circuit
C426
+VDD_GSM_CORE)
= 1.2V?
Yes
No
Check the related circuit
C400
(+VDD_IO_LOW) &
C405(
+VDD_IO_HIGH) = "H"?
Yes
No
Resolder
OSC400
Check the Clock at
R410
=32KHZ
Yes
No
Check the PMU related to VISA
C420
(VISA) = 2.7V?
Yes
No
END
Change the Battery
' Power On ' does not work
Check the Battery Voltage
is more than 3.4V
Summary of Contents for SGH-E200
Page 31: ...8 PCB Diagrams 8 1 Top ...
Page 32: ...PCB Diagrams 8 2 Bottom ...