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Flow Chart of Troubleshooting
LCD_BL_E N
C304
R305
1000NF
15K
6.3V
BACKLIGHT IC
VBAT
C305
1000NF
6.3V
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L301
BLM18PG330SN 1
U301
RT9363APQW
10
EN
LED3
9
ISET
LED2
8
VOUT
LED1
7
CN
VIN
6
GND
CP
11
9-20
LED_3.7V
1
2
3
C303
1000NF
4
6.3V
5
-LED3
-LED2
-LED1
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