Sony MZ-R70 Service Manual page 34

IC601 MPC17A56FTA
36 35 34
COM
37
CPWI
38
CPVI
39
CPUI
40
PGNDW 41
WO 42
43
VMVW
VO 44
PGNDUV 45
UO 46
VMU
47
VC
VG
PRE DRIVER
VC 3 PHASE
CONTROL
WI 48
1 2 3
IC603 MPC18A21MTB
1
GND
CONTROL
2 LOGIC
R1
3
F1
VRECIN 1 4
OUTA 5
PRE
PGND1 1
6
DRIVER
OUTB 7
VRECIN 2 8
9
VREC 1
STEP
UP/DOWN
LIL 1 10
PRE
11
PGND2 1 DRIVER
12
PGND2 2
13
LIL 2
VREC 2 14
-
INM 15
+
INP 16
RF 17
18
DW BTOUT
33 32 31 30 29
VC
VC
VG
VG
PRE DRIVER
VC
VC
HI-BRIDGE
CONTROL
VC
HI-BRIDGE
CONTROL
VC
VG
PRE DRIVER
4 5 6 7 8
LEVEL
DET
SYSTEM
CONTROL
PWM
SAW
28 27 26 25
VM4
PRE DRIVER
HI-BRIDGE
CONTROL
24 RI4
23
FI4
22
RI3
21
FI3
VG
VG
20
19
GND
VC
VC
18
17
OE
VC
BIAS
16
FI1
15 RI1
VC
HI-BRIDGE
CONTROL
VC
VG
PRE DRIVER
14 FI2
13
RI2
9 10 11 12
36 VC
35 EFM
34
CLK
33
HB
EFM
32 PGND1 2
PRE
DRIVER
31 HA
30
VG
VG2
29
28 C1H
CHARGE
PUMP
PRE
DRIVER
27 C1L
26 VC2
25
VRECIN
24
OE
23 RECON
22
SW(2.5/1.3V)
21
DTC
20 VREF
19
DW TPOUT
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