|
There are currently no product reviews.
 ;
Very good quality, no parts are missing and everthing is readable.
Thank you very much. :-)
;
This manual is all I need to check and repair my equipment. Thank you....
 ;
sorry for my english...the service given by O.M.com is perfect for content and codition...!!!
thank's a lot!!!
best greetings
;
This manual is all I need to check and repair my equipment. Thank you....
;
This manual is all I need to check and repair my equipment. Thank you....
5.Flow Chart of Troubleshooting and Circuit Diagram
5-1 SGH-A400 Power ON
�POWER ON� does not work Y
Check the current consumption more than 100 mA
N
Download again
Y Check the Battery Voltage more than 3.3V Y
N
Charge the Battery
Check the pin 38 of U400 is more than 3.2 V Y
Check to the path from CN604 to pin N 38 of U400 and keypad
U400 pin 33,28,30 = 2.8V
N
Change U400
Y
Check the clock signal at R105
N
Check the clock generation circuit (related to U400 and OSC100)
Y Check the initial operation Y END
SAMSUNG Proprietary-Contents may change without notice 5-1
|
