Sony CDP-CX355 Service Manual page 48

CDP-CX355
IC131 CXA2581N-T4 (BD Section)
IC504 M5M5256DFP-70XL (MAIN Section)
48
DVC
–
VOFST
+
VC
VC
LD 1
PD 2 APC AMP
EQ IN 3
RFAC
AC SUM 4 SUMMING
AMP
GND 5
A B C D
A
A 6
B
B 7
C
C 8
D
D 9
E 10 GM
F 11 GM
APC-OFF
(Hi-Z)
SW 12
RW/ROM
(H/L)
DVCC 13
B
DVC
D
DVC 14
A
C
RFAC 15
28 27 26 25 24 23 22 21 20
CLOCK
ROW
32768 WORD
GENERATOR
ADDRESS
x 8 BIT
DECODER
RAM
(512 x 512)
ROW INPUT BUFFER
1 2 3 4 5 6 7
RW/ROM
30
29
A
–
–
B
+
28
+
C
DVC
D
DVC
VCC
VC
RW/ROM
27
26
EQ 25
24
EQ ON/OFF
RFAC
23
VCA
RW/ROM
VCC 22
VOFST
21
B
C
–
–
A
+
20
+
D
DVC
VC
RW/ROM
19
RW/ROM
–
18
+
VC
RW/ROM
RW/ROM
17
VOFST
–
–
+
16
+
DVC
VC
RW/ROM
INPUT
DATA
CONTROL
OUTPUT
BUFFER
SENSE
AMP
COLUMN
ADDRESS
DECODER
COLUMN INPUT BUFFER
8 9 10
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
15
19 18 17 16
11 12 13 14