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Flow Chart of Troubleshooting
10-
11
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HEA1
C403
R400
R402
VCCD_1.8
R401
VR404
VCCD_1.8
C401
VBAT
VCCD_2.9
C400
C402
VR402
MLCD_CS_O
LCD_DO(13)
LCD_DO(14)
LCD_DO(12)
SPK1N
SPK1P
TR_RST
LED_EN
SUB_EL_EN
LCD_DO(7)
LCD_DO(5)
LCD_DO(1)
LCDVIB_EN
LCD_DO(9)
LCD_DO(3)
LCD_DO(11)
LCD_DO(10)
LCD_DO(6)
LCD_DO(8)
LCD_DO(4)
LCD_DO(2)
LCD_DO(0)
LCD_RS_O
SLCD_CS_O
LCD_DO(15)
LCD_WEN_O
C303
R341
R340
R309
C340
C339
R303
74
3
C
6
4
3
C
L304
L303
VIP
3
12
VOM
9
VOP
1
VREF
5
S
S
V
S
S
V
6
VSS 11
VSS 10
19 NC
D
D
V
7
8
D
D
V
D
D
V
13
D
D
V
14
15
D
D
V
16
D
D
V
VIM
2
U301
4
EN
17
D
N
G
NC
18
C314
C315
C313
C309
R305
VBAT
AMP_EN
AMP_OUT_P
AMP_OUT_N
AMP_IN_P
AMP_IN_N