Ic Block Diagrams - Sony MZ-R70 Service Manual

6-8. IC BLOCK DIAGRAM
IC501 SN761056
TE
1
REXT 2
Wpp-LPF 3
VREF 4
C 5
D 6
D-C
7
Iy 8
Ix
9
Jx 10
11
Jy
A
12
A-C
13
B
14
TON-C
15
CIG
16
CDN 17
PD-I 18
PD-NI 19
PD-O 20
ADIP 21
DVDD
22
IC302 NJM2173
14 13 12
–
+
+
–
1
2 3
A+B+C+D
I+J
NPP
TON
CSL
Aw+Dw
S-MONITOR
TON Peak
TON Botm
ADIP
TE
TE
TEMP
Tpp/Wpp
FE
ABCD
APC
ADIP
11 10 9 8
BIAS
REG
4 5 6 7
44 ADIP
43 S-MON
TWpp
PK/BTM
Aw
CSLO
VREF075
A-C
D-C
Malfa
Mij
AwBPF
Dw
DwBPF
42 FE
41 ABCD
AVCC
40
OFC-1
39
38 OFC-2
37 PS
36 LP
RF
35 EQ
34 AGND
RFOUT
33
32
CCSL2
VC
31
VREF075
30
29 PEAK
PEAK/BOTM
28 BOTM
DGND
27
OFTRK
26
T-ON
25
XRST
SERIAL
24
SCK
I/F
23 SBUS
IC303 TA2131FL
18 17
PW MT
SW SW
19
TC MT
VCC1 20
VINR
21
VINL
22
PW
BEEP
23
A
OUTB
BEEP
24
OUTA
1 2 3
– 41 –
16 15 14 13
BST
BEEP
V REF
SW
ADD
BST1
PW
BST2
B
BST
AGC
4 5 6
12 VREF
11 LPF1
10 BST NF1
9 LPF2
8 BST NF2
7
BST OUT