Aiwa NSX-D737 Service Manual page 36

Compact disc stereo system
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IC BLOCK
DIAGRAM
IC,BU4094B
DATA
@)
8-STAGE
CLK (3)
SHIFT
REGISTER
(3) 0s
8-BIT
LATCHES
3-STATE
Ce ute
QUTPUTS
ENABLE
PARALLEL
QUTPUT
IC,BU4052BF
TRUTH
TABLE
[i
oe ee
X:DON'T
CARE.
pot
SERIAL
OUTPUT
TRUTH
TABLE
OUTPUT
PARALLEL OUTPUTS)
SERIAL QUTPUTS
CHE Lenape | SUE OA Par Ton [os Tors |
fF
[| te | x [x [ z [Zz [97 _ Sho cre.|
ES
x
Z
Z
re [| WH | © | x [NO CHG.|NO CHG.[ 07 INO CHO. |
£
ie
L
Qn=1
ia
"|
Oo
|
fe
H
| Qn-1 |
Pe fH Tx |x INO CHG. [NO CHG. INO_CHG.
Z = HIGH
IMPEDANCE
X=
PON'T
CARE
Q1:0.DOLBY
ON
Q@5:0.PLAY
Q2:0.POLBY
C
Q6:0.PB2
Q3:0.EXT.REC
Q7:0.LE8
Q4:0. INT. REC
68:0. RMT
BINARY
TO
1 OF
4
DECODER
WITH
INHIBIT
INHIBIT
| A |B | ON SWITCH
x0
YO

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