5-16
Flow chart of trouble shooting
5-9 Back Light
Yes
END
Backlight does not work
Select backlight "ON" mode
Backlight "ON" mode
in the menu?
Between R215 and R217 = "H"?
GPO1 by test S/W
No
Yes
Yes
No
Check the circuit related U100
Pin 35, 36, 39, 40 3.3V?
LCD backlight on ?
Resolder LCD or Check Q201
No
Yes
No
LCD BACKLIGHT
KEY PCB LED
Resolder R215, R217
Q201 pin 1 = "H" ?
No
Yes
Resolder Q201
Q201 pin 3 = "L" ?
No
Yes
Yes
END
Key PCB LED on ?
Resolder CN211
or Replace Key PCB
No
CN200
Содержание SGH-N625
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 08 2002 Rev 1 0 GH68 03123A ELECTRONICS ...
Страница 9: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 10: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 27: ...5 Flow chart of trouble shooting 5 1 Power ON 5 1 Flow chart of trouble shooting ...
Страница 30: ...Flow chart of trouble shooting 5 4 VCC VCC R509 C526 SIMPWDN_BOOT F_WP SYSRST GPIO3 DTR1 F ...
Страница 35: ...5 9 Flow chart of trouble shooting 5 5 Microphone Part ...
Страница 36: ...Flow chart of trouble shooting 5 10 C532 U501 R525 R527 C561 C560 MIC VX 1P C553 R530 VX 1N R531 C538 VCC ...
Страница 43: ...5 17 Flow chart of trouble shooting R215 1K 100K R217 1 3 2 Q201 MMBT2222AWT1 BACKLIGHT B_LIGHT ...
Страница 44: ...Flow chart of trouble shooting 5 18 5 10 Melody Part ...