Sony MZ-RH910 Service Manual page 40

MZ-RH910
IC891 AK6512CM-E2
CS 1
SO 2
WP 3
GND 4
INSTRUCTION
REGISTER
IC901 SC901584EPR2
48 47 46 45
SERIAL
PASS
REGULATOR 3
REGC2 49
REG2G 50
SERIAL
REGO2 51 PASS
REGULATOR 2
REGI2 52
REGC1 53
SERIAL
REGO1 54
PASS
REGULATOR 1
REGI1 55
VG SELECT, VG DUTY
VREF0
GND 56
VREF 57
CLK
DATA 58
STRB 59
CLK 60
WDT 61 CONTROL
SEQSEL 62
CLK 63
SLEEP 64
1 2 3 4 5 6
40
VREF
INSTRUCTION
DECODE
CONTROL
&
CLOCK
GENERATION ADD
BUFFERS
DATA
REGISTER
44 43 42 41 40
VC2
POWER
SWITCH 2
UP-DOWN
RST2
MUTING
BUFFER
RST1
RST2
VC
BANDGAP
REFERENCE
VREF0
REF DAC
RST1
LVB
DRIVER
VC
VREF
RST2
POWER
SWITCH 1
VC
7 8 9 10 11
STATUS
REGISTER
VPP
GENERATOR
VPP
SWITCH
DECODER
EEPROM
64K bit
R/W AMPS 8192 × 8
&
AUTO ERASE
39 38 37 36 35 34 33
RESET 2
STEP
VC2
DRIVER
VREF REF2
PWM
VREF
REF2
STEP UP
START UP
DC/DC CONVERTER
REF1
VC
VREF
PWM
REF1
VC
STEP
UP-DOWN
VREF
DRIVER
12 13 14 15 16
8 VCC
7 HOLD
6 SCK
5 SI
RST2
32 DTC2
31 RF2
30 INM2
29 VGSEL1
28 VGSEL2
VB
27 VB
26 PGND3
25 LG
24 VG
23 C1L
22 INM1
21 RF1
20 DTC1
RST1
19 XRST1ADJ
18 CRST1
RESET 1 17 XRST1