32
ZS-YN7
IC701
CXA2647N-T4
•
IC Block Diagrams
– CD Board –
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
3
A
B
C
D
B
C
A
A
A
B
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST