SGH-X200 Flow Chart of Troubleshooting
2-10
2-1-6. LCD backlight
Backlight ON "TIME"
mode in the menu?
Backlight does not work
Check conecting
between PBA and LCD
conector
Select backlight "15 sec" mode
Check FPCB
END
No
Yes
No
Check U204 pin #7 =
10V ?
Check the LCD
Yes
Yes
No
1
GND
D
N
G
9
3 ILED
7
OUT
5
PGND
6
SW
VIN 8
U204
EN
2
FB
4
C223
R241
VBAT
R242
L201
R257
C224
R258
C225
LED+
LED-
LED_EN
Summary of Contents for SGH SGH X200
Page 10: ...SGH X200 Flow Chart of Troubleshooting 2 7 1 1 2 ...
Page 12: ...SGH X200 Flow Chart of Troubleshooting 2 9 1 2 ...
Page 15: ...SGH X200 Flow Chart of Troubleshooting 2 12 1 2 3 4 5 ...
Page 17: ...SGH X200 Flow Chart of Troubleshooting 2 14 1 2 3 4 5 ...
Page 19: ...SGH X200 Flow Chart of Troubleshooting 2 16 1 2 3 4 5 ...