Sony MZ-NH1 Service Manual page 39

IC701 SC901583EPR2
56 55
VI1 1
WI1 2
GNDW1 3
WO1 4
VMVW1 5
VO1 6
GNDUV1 7
UO1 8
VMU1 9
VMR1 10
RO1 11
PGND1 12
FO1 13
VMF1 14
VC VG VC
–
U
H-BRIDGE
+
CONTROL
CH1
15 16 17 18
IC871 R2061K01-E2
12 11
LEVEL
SIO 1
SHIFTER
SCLK 2
/VDCC 3
DELAY
4
54 53 52 51
VG
VC
VC LOW
3PHASE
VOLTAGE
CONTROL
DETECTOR
CH1
VG VC
3PHASE
PRE DRIVER
CH1
VG VC
H-BRIDGE
PRE DRIVER
CH1
VG VC VG VC
– –
V W
+ +
19 20 21
10
REAL
TIME
VOLTAGE
CLOCK
REFERENCE
BATTERY
VOLTAGE
MONITOR
VOLTAGE
DETECTOR
5 6
50 49 48 47 46 45
VC
VC
BIAS
3PHASE
ROE
CONTROL
CH2
VC
3PHASE
PRE DRIVER
CH2
VC
H-BRIDGE
PRE DRIVER
VC VG VC VG
– –
W V
+ +
22 23
9 /INTR
8 OSCOUT
7 OSCIN
44 43
42 VI2
41 WI2
40 GNDW2
VG
39 WO2
38 VMVW2
37 VO2
36 GNDUV2
35 UO2
34 VMU2
VG
33 VMR2
32 RO2
31 PGND2
CH2
30 FO2
29 VMF2
VC VG VC
–
U
HI-BRIDGE
+
CONTROL
CH2
24 25 26 27 28
MZ-NH1
39