Ic Block Diagrams - Sony AIWA XR-MN5 Service Manual

CX-LMN5

8-16. IC Block Diagrams

— BD Board —
IC101 CXD3068Q
IC102 AN41020A
56 55 54 53 52 51 50 49 48 47 46 45
DIRECTION
DETECTION
PVCC/2
RESET CIRCUIT
. STANDBY
. BAND-GAP
. SVCC
1 2 3 4 5 6 7 8 9 10 11 12
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
PVCC/2
DIRECTION
DETECTION
DIRECTION
DETECTION
DIRECTION
DETECTION
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
LD 1
PD 2
EQ IN 3
AC SUM 4
GND 5
A 6
B 7
C 8
D 9
E 10
F 11
SW 12
DVCC 13
DVC 14
RFAC 15
44 44
IC103 CXA2647N-T4
ROM/RW
30
29
A
–
–
B
+
28
+
C
VC
D
VC
VCC
VC
DVC –
ROM/RW
VOFST 27
+
VC
VC
26
EQ 25
APC AMP 24
RF OFF AT VCC
RFAC
VCA 23
ROM/RW
VCC 22
RFAC
SUMMING
AMP VOFST
B 21
C
–
–
A
+
20
+
D
B C D
A
DVC
A
B VC
C
ROM/RW
D
19
ROM/RW
GM –
+
VC
VOFST
+
18
–
GM –
+
VC
DVC OR Hi-Z
SLEEP, APC OFF VC
ROM/RW
ROM/RW
ROM/RW
(L/H) B
17
VOFST
D
–
–
A
+
16
DVC
+
C
DVC
VC
ROM/RW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE