Flow Chart of Troubleshooting and Circuit Diagrams
5-18
NC
C390
R312
0
R316
0
VDD3.0
C315
220N
F
1.2K,1%
R319
C309
100NF
4.7U
F
C312
C
313
100N
F
R318
6.3V
6.8K,1%
C310
100N
F
R317
R314
1.2K,1%
100PF
3.3K
68N
F
C311
C314
28
/WR
1N
F
C307
7
VDD
9
VRE
F
VS
S
8
29
/CS
3
/IR
Q
31
/RD
/RST
4
2
LED
MT
R
19
NC
5
PLLC
6
17
SPOUT
1
SPOUT
2
18
15
SPVD D
SPVSS
16
21
D6
D7
20
EQ 1
12
13
EQ 2
EQ 3
14
HPOUT-L/MONO
10
11
HPOUT-R
32
IOVD D
U301
YMU762 MA-
3
A0
30
1
CLKI
D0
27
26
D1
25
D2
D3
24
23
D4
D5
22
M_IR
Q
M_RESET
WR
LINE_OUT
M_LED
MEL13M
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
+VBAT
T
VIBRATOR
RD
M_CS
SPK+
SPK-
A(1)