Flow Chart of Troubleshooting
10-10
10-1-6. 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 #1 =
6V ?
Check the LCD
Yes
Yes
No
VBAT
L201
R242
R257
R241
C224
C223
C225
CTRL
4
3
FB
GND
2
SW 6
5
VIN
1
VOUT
U204
R258
LED-
LED+
LED_EN
Содержание SGH-X160B
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