User Guide

Flow chart of Troubleshooting and Circuit Diagram 5-12
VDD3.0
6.3V 4.7UF C312
R307
0
C313
100NF
C309
100NF
7
VDD
9
VREF VSS
8 3
/IRQ /RST
4
28
/WR
SDIN
29
SDOUT
32
17
SPOUT1 SPOUT2
18
15
SPVDD
SPVSS
16
30
SYNC
13
EQ2
EQ3
14
EXT1
2
19
EXT2
HPOUT-L/MONO
10
11
HPOUT-R
5
IFSEL PLLC
6
SCLK
31
26
D1
25
D2 D3
2423
D4 D5
2221
D6 D7
20
EQ1
12
U301
YMU759-QE2
1
CLKI
D0
27
1NF C308
100K R304
11K
R310
R305 100K
22K
R308 68NF
C310
100NF
R306
C315
3.3K
C306
NC
+VBATT
20
R220
20
R219
82K R309
4
IN1
IN2
8
NC1
5
7
NC2
NO1
2
NO2
10
1
V+
MAX4684EUB
U230
COM1
3
9
COM2
6
GND
100NF
C307
100PF
WR LINE_OUT
M_LED
REC-
SPK_EN REC+
SPK_EN
SPK- SPK+
C311
MEL13M
D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) +VBATT VIBRATOR RD M_CS A(1)
M_IRQ
M_RESET