Table of Contents
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Flow Chart of Troubleshooting
VCCD_1.8
VBAT
VCCD_2.9
R400
R402
MLCD_CS_O
LCD_DO(0)
LCD_DO(2)
LCD_DO(4)
LCD_DO(6)
LCD_DO(8)
LCD_DO(10)
LCD_DO(12)
LCD_DO(14)
LCD_WEN_O
TR_RST
LED_EN
C403
C303
R303
AMP_IN_N
C309
R305
AMP_IN_P
AMP_EN
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VCCD_1.8
C400
R401
HEA1
17
16
15
18
NC
19 NC
1
VREF
2
U301
VIM
3
VIP
4
EN
5
6
7
C339
C340
R309
C313
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LCDVIB_EN
LCD_DO(1)
LCD_DO(3)
LCD_DO(5)
LCD_DO(7)
LCD_DO(9)
LCD_DO(11)
LCD_DO(13)
LCD_DO(15)
LCD_RS_O
SLCD_CS_O
SUB_EL_EN
C401
C402
VR404
VR402
VBAT
13
14
12
VOM
VSS 11
VSS 10
9
VOP
R341
8
R340
C315
C314
10-11
SPK1N
SPK1P
L303
AMP_OUT_N
L304
AMP_OUT_P
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Table of Contents
