Sony MZ-R91 Service Manual page 27

IC601 MPC17A56FTA
48
VC VC
VI 1
3PHASE
UI 2
CONTROL
PWM 3
VM1
4
VG VC
RO1 5
PRE H-BRIDGE
PGND1 6
DRIVER CONTROL
FO1 7
VM12 8
VG
VC
RO2
9
PRE H-BRIDGE
PGND2 10
DRIVER CONTROL
FO2 11
VM2 12
13
IC602 MPC17A17XDTBR2
VC 1
VMC 2
OUTA 3
CHARGE
PUMP
VG 4
C2H 5
C2L 6
LVDET
IN1 7
IN2 8
47 46 45 44 43
VG
PRE
DRIVER
VC
VC
VC
ROE
BIAS
VC VG
14 15 16 17 18 19 20 21
LEVEL
SHIFTER
PREDRIVER
CONTROL
LOGIC
42 41 40 39 38 37
+
–
+
–
+
–
VC VC VG
H-BRIDGE PRE
CONTROL DRIVER
VC VG
VC
H-BRIDGE PRE
CONTROL DRIVER
22 23 24
16 OUTC
15 GND
14
OUTB
13 VMAB
12 C1H
11
C1L
10 EN2
9 EN1
– 43 –
36 CPUO
CPVO
35
34 CPWO
33 VM3
32 RO3
31 PGND3
30 FO3
VM34
29
RO4
28
27 PGND4
26 FO4
PWM24
25