Sony MZ-E60 Service Manual page 26

IC551 BD6602KUT
48 47 46 45 44
H4PG2 49
RO4 50
H4VM 51
FO4 52
H4PG1 53
RI4 54
PRE-DRIVE
FI4 55
PWM24 56
RI2 57
PRE-DRIVE
FI2 58
H2PG2 59
RO2 60
H2VM 61
FO2 62
H2PG1 63
FI3 64
1 2 3 4
IC802 AK93C55AV-L
XCS 1
INSTRUCTION
SK 2
DO 3
INSTRUCTION
DI
4
REGISTER
43 42 41 40 39 38
PRE-DRIVE
PRE-DRIVE
DECODER
PRE-DRIVE
5 6 7 8 9 10 11
VREF
DECODE
CONTROL
AND
ADD
CLOCK
BUFFERS
GENERATION
DATA
REGISTER
37 36 35 34 33
+ – + – + –
VCC2
32 CPWO
31 CPVO
30
29 VMU
28 UO
27 GNDUV
26 VO
25 NC
24 VMVW
23 WO
22 GNDW
21 NC
20 NC
19 SGND
VCC1
18
TO
STANDBY 17
EACH
BLOCK
VCC2
TO
BIAS
BEMF
COMPARATOR
12 13 14 15 16
VPP
GENERATOR
VPP SW 8
7
DECODER
6
EEPROM
R/W AMPS
5
AND
AUTO ERASE
– 36 –
CPUO
ASGND
OE
VCC
XBUSY
RST
GND