Sony MZ-N520 Service Manual page 49

56 55
VI1
1
3Phase
control
WI1
2
ch1
PGNDW1
3
WO1
4
WMVW1
5
3Phase
Pre driver
VO1
6
ch1
PGNDUV1
7
UO1
8
VMU1
9
VMR1
10
RO1
11
H-BRIDGE
PGND1
12
PRE
DRIVER
CH1
FO1 13
VC
VMF1 14
H-BRIDGE
CONTROL
CH1
15 16
IC701 SC111290EPR2
54 53 52 51 50
VG
VC
OE
VG VC
VG VC
VG VC VG VC VG VC
U
V W
17 18 19 20 21
48 47 46 45
49
VC
VC
VC
BIAS
OE
VG
VC
ROE
3Phase
Pre driver
ch2
VG
VC
GND
H-BRIDGE
PRE
DRIVER
CH2
VC VG VCVG VCVG
U V W
OE
23 24 25
22
MZ-N520/N520CK
44
43
3Phase
42
VI2
control
ch2
WI2
41
PGNDW2
40
39 WO2
VMVW2
38
VO2
37
36 PGNDUV2
35 UO2
VMU2
34
VMR2
33
RO2
32
31 PGND2
FO2
30
29 VMF2
VC
H-BRIDGE
CONTROL
CH2
26 27 28
49