CDX-715 - Sony Car Audio Service Manual (repair manual). Page 32

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IC402
MB814400C-70PFTN
IC601
TC9464FN-EL  (MAIN  BOARD)
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SENSE REFRESH AMP
INPUT/OUTPUT 
CONTROL SWITCH
CLOCK OSC
COLUMN DECODER
MEMORY CELL
INPUT
BUFFER
OUTPUT
BUFFER
A0–A9
D1
D2
XWE
XRAS
A9
NC
NC
NC
A0
A1
A2
A3
A0–A9
A4
A5
A6
A7
A8
NC
NC
NC
XOE
XCAS
D3
D4
GND
VDD
ADDRESS BUFFER
ROW DECODER
DIGITAL FILTER CIRCUIT
ATTENUATOR OPERATIONAL CIRCUIT
DEEMPHASIS FILTER CIRCUIT
D-
 MODULATION CIRCUIT
INTERFACE
CIRCUIT
TEST
CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
TIMING
GENERATOR
OSC
MICROCOMPUTER
INTERFACE
CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
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LRCK
BCK
DATA
HS
(SM)
ATT
(EMP)
SH
(BS)
LA
VDX
XO
XI
GNDX
MCK
VDD
T1
P/S
VDA
RO
GNDA
VR
GNDA
LO
GNDD
ZD
VDA
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