Ic Block Diagrams - Sony HCD-MD373 Service Manual

6-26. IC BLOCK DIAGRAMS

• BD (MD) Board (1/2)
IC101 CXA2523AR
I 1
J 2
VC 3
A 4
IVR
B 5
IVR
C 6
IVR
D 7
IVR
E 8
IVR
F 9
IVR
PD 10
APC 11
APCREF 12
48 47 46 45
RFA1
RFA2
–
1
–
–
2
–
CFST
–
1
–
2
CVB
–
+
–
GRVA
+
–
AA
+
–
BB
+
–
CC
+
–
DD
+
+
–
EE
–
+
+
–
FF
–
FBAL
GSW IV
13 14
44 43 42 41
USROP
–
+
+
–
USRC
BPF3T
HLPT
–1
3T
–2
3T
PTGR
PEAK
–2
BOTTOM
–1
GRV
WBL
+
+
+
+
ABCDA
+
+
–
FEA
–
BPF22
–
ADIP
–
WBL
+
+
ATA
WBL
PTGR
–
+
EE'
–
+
EFB TESW
FF'
AUXSW
COMMAND
SCRI - PARA
DECODE
15 16 17 18 19
40 39 38 37
RF AGC EQ
DET EQ
PEAK3T
P-P
WBL
TEMP
36 BOTM
PBH
35 ABCD
34 FE
33 AUX
BPFC
32 ADFG
31 ADAGC
30 ADIN
DET
29 ADFM
AGC
–1
TG
28 SE
–2
SEA
27 CSLED
–1
TG
26 TE
–2
TEA
WBL
3T 25 WBLADJ
VI CONV
EQ
BGR
VREF
20 21 22 23 24
65