Read Sony CDP-CX355 Service Manual online
48
CDP-CX355
IC131 CXA2581N-T4 (BD Section)
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
IC504 M5M5256DFP-70XL (MAIN Section)
VCC
W
A13
A8
A9
A11
OE
A10
SI
DQ8
DQ7
DQ6
DQ5
DQ4
A12
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
DQ3
GND
A7
A14
CLOCK
GENERATOR
OUTPUT
BUFFER
SENSE
AMP
32768 WORD
x 8 BIT
RAM
(512 x 512)
ROW
ADDRESS
DECODER
DECODER
ROW INPUT BUFFER
COLUMN INPUT BUFFER
COLUMN
ADDRESS
DECODER
DECODER
INPUT
DATA
CONTROL
1
2 3 4
5 6 7
8 9 10
11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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