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10-1-6. LCD backlight
Backlight does not work
Backlight ON "TIME"
mode in the menu?
Check conecting
between PBA and LCD
Check U204 pin #1 =
LED+
LED-
C225
Yes
conector
Yes
6V ?
Yes
END
R242
R257
No
Select backlight "15 sec" mode
No
No
U204
L201
SW 6
1
VOUT
2
VIN
5
GND
R241
3
4
FB
CTRL
C224
C223
10-10
Flow Chart of Troubleshooting
Check FPCB
Check the LCD
VBAT
LED_EN
R258
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