40
MZ-NH900
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT
5
ECO
4
IC602
R1160N121B-TR-FA
1
2
3
5
4
+
–
BUFFER
VLX LIMITER
CHIP
ENABLE
REFERENCE
VOLTAGE
PFM CONTROL
OSC 100kHz
VDD
CE
VOUT
NC
LX
VSS
IC881
XC6382C251MR
18
17
FO1
VMF1
31
VMF2
1
DECODER
PRE DRIVE
64
WI1
3
WO1
4
ST1
2
PGNDW1
8
PGNDUV1
5
VMVW1
11
VMU1
VI1
49
VI2
63
UI1
50
UI2
62
PWM1
61
CPUO1
60
CPVO1
59
CPWO1
51
PWM2
52
CPUO2
53
CPVO2
54
CPWO2
STANDBY
55
STALL
56
GND
57
VCC
58
VG
DECODER
7
VO1
6
VO1
10
UO1
9
UO1
12
VMR1
15
PGND1
14
RO1
13
RO1
16
FO1
32
FO2
19
FI1
20
RI1
29
RI2
30
FI2
21
COM1
22
CPUI1
23
CPVI1
VG
PRE DRIVE
VG
VG
VG
PRE
DRIVE
VG
PRE
DRIVE
+
–
+
–
24
CPWI1
25
CPWI2
26
CPVI2
27
CPUI2
28
COM2
+
–
+
–
+
–
+
–
33 FO2
34 PGND2
37 VMR2
38 VMU2
39 UO2
40 UO2
42 VO2
43 VO2
46 WO2
45 ST2
44 VMVW2
47 PGNDW2
48 WI2
41 PGNDUV2
35 RO2
36 RO2
IC701
BD6607KN
Summary of Contents for Walkman MZ-MH900
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