Sony MZ-R70 Service Manual page 35

IC901 MPC18A31FTA
36 35 34
SAW
FFCLR
37
CONTROL
OSC2
VB VC
XRST
VSTL
38
FFCLR
VC
VRMC
39
XRST
40
CRST 41
RSTREF 42
CLK
43
VB 44
VREF 45
CHGMON
46
VC
VB
CHGB 47
DCIN
DCIN
CHGSW
48
1
IC301 AK4517-VQ-L
48 47 46 45 44
CLOCK
MCLK 1
DIVIDER
LRCK
2
BCLK
3
AUDIO
SDTO
4
I/F
SDTI
5
CONTROLLER
DIFO 6
DPGA
DIFI 7
8
TST3
DCODE0
9
DCODE1 CONTROL
10
REGISTER
DCODE2
11
I/F
CS(SCK)
12
13 14 15 16 17 18 19 20 21
33 32 31 30 29 28
VC
SYSTEM
VG
STEP-UP
PRE DRIVER
VC
PWM
RF2
VC
BANDGAP
REFERENCE
DCIN
2 3 4 5
43 42 41 40 39 38 37
DBB DAC
22 23 24
27 26 25
VG
STEP-UP
PRE DRIVER
VC
PWM
RF2
VR
STEP-UP
DC/DC
CONVERTER
VREG
6 7 8 9 10 11 12
36 IPGAL
35 ADCL
VCMC
34
ADO
HPF
33 VCMR
32 ADCR
IPGAR
31
VRAD
30
LOUT2
29
28 ROUT2
27 VRDA
OPGAL
26
LOUT1
25
– 43 –
VC
24 RF1
23
RF2
INM1
22
21 DTC
20 INM2
19 VG
18 GND
17
SWVG
16 PWMVC
15
SERON
14
INM4
13
RF4
RF4