Sony MZ-R501 Service Manual page 40

MZ-R501/R501PC
IC701 SC111257FCR2
PGNDW 43
WO 44
VMVW 45
VO 46
PGNDUV 47
UO 48
VMU 49
GND2 50
CPWI 51
–
+
CPVI 52
–
+
CPUI 53
–
+
COM 54
CPWO 55
CPVO 56
40
42 41 40 39 38 37 36
–
+
VC
–
+
VG
VC
VC
VC
VC
3PHASE
CONTROL
1 2 3 4 5 6 7
35 34 33 32 31
VG
PRE DRIVER PRE DRIVER
VC
H-BRIDGE H-BRIDGE
CONTROL CONTROL
VC
BIAS
H-BRIDGE H-BRIDGE
CONTROL CONTROL
VG
PRE DRIVER PRE DRIVER
8 9 10 11 12
30 29
28 VM4
VC VG
VC
27 RI4
26 FI4
25 RI3
24 FI3
VG
23 VG
VC
22 VC
21 GND1
20 PWM24
19 FI1
18 RI1
17 FI2
16 RI2
VC
VC VG
15 VM2
13 14