Sanyo DC-F430AV Service Manual page 33

IC BLOCK DIAGRAM
L
IC104 CXD2508AQ (Digital Signal Processor)
AU
EMPHI
LRCKI
PCMDI
BCK
MUTE
BCN
PCMC
LRCK
WDCk
C2PC
RFCH
MNT(
MNT1
MNX
WFCB
EMPI
GFf
XUGf
GTOF
XTSI
1
digw
OUT
dgiial
CLV
DIA
interlace
error
Corractaf
' *
16K RAM
I
I
I
+=l*'aatOrt--E=sF
—
CPU
intarface
f
clock
generetor
cofrector
L
IC131 LB1648L (Up/ Down Loading Driver)
IC132 LB1641L (Open / Close Switch)
L
INPUT LOGIC CIRCUIT
Fin
1
INPUT LOGIC CIRCUIT
t
,
—,
k.-.--+
LA:
,s
1 VZ2 IN3
IN 1 IN
2 OuTl
OUT2 IN 3
IN 4 OUT3 OUT4
o 0 OPEN OPEN
o 0 OPEN OPEN
1
0
H L 1
0 H
L
o
1 L H
o
1 L H
1 1
L L 1 1 L L
kc 2
IN 4
PI
OUT1
IN1
VCC2 OUT2 P2
Vz
Vcc
IN2
GND ($-1
I
Input
output
I Actiin
IN1 I IN2 ] OUT1 10UT2 I
I
'L
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