Sony MZ-RH910 Service Manual page 39

IC701 SC901583EPR2
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
IC881 MM3005BNLE
SOFT
ON/OFF 1
START
VOLTAGE
REFERENCE
VOUT 2
NC 3
56 55 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
+
PWM
CONTROL
–
50 49 48 47 46 45
VC
BIAS
3PHASE
ROE
CONTROL
VC
3PHASE
PRE DRIVER
VC VG VC VG
–
W
+
22 23
5 VOUT
4 VSS
MZ-RH910
44 43
VC
CH2
VG
CH2
VC VG
H-BRIDGE
PRE DRIVER
CH2
VC VG VC
– –
V U
HI-BRIDGE
+ +
CONTROL
CH2
24 25 26 27 28
42 VI2
41 WI2
40 GNDW2
39 WO2
38 VMVW2
37 VO2
36 GNDUV2
35 UO2
34 VMU2
33 VMR2
32 RO2
31 PGND2
30 FO2
29 VMF2
39