Sony MZ-E505 Service Manual page 32

MZ-E505
IC551 SC111258FCR2
42 41
UI2 43
PWM2 44
3PHASE
CONTROL
CH2
VC
VG
VC LOW
VOLTAGE
DETECTOR
CPUO2 45
CPVO2 46
CPWO2 47
VC
BIAS
OE 48
VC VG
GND1 49
VC 50
VG 51
CPWO1 52
CPVO1 53
CPUO1 54
VC
3PHASE
CONTROL
CH1
PWM1 55
UI1 56
1 2
32
40 39 38 37 36 35 34
3PHASE
PRE DRIVER
CH2
VC
VC VG
VC VG
3PHASE
PRE DRIVER
CH1
3 4 5 6 7 8 9
33 32 31 30 29
VC
H-BRIDGE H-BRIDGE
PRE DRIVER
CONTROL
CH2
CH2
VG
VC VG
–
U
+
–
V
+
–
W +
–
W
+
–
V
+
–
U +
VC VG VC
H-BRIDGE
H-BRIDGE
PRE DRIVER
CONTROL
CH1 CH1
10 11 12 13 14
28 FI2
27 RI2
26 COM2
25 CPUI2
24 CPVI2
23 CPWI2
22 NC
21 GND2
20 CPWI1
19 CPVI1
18 CPUI1
17 COM1
16 RI1
15 FI1