Onkyo TX-7430 - Controller Connection

TX-7430
2. Controller co nnect io n
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CGP
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c
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rn
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rn
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Sd
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Sb
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K2
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le
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MATRIX
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06
05
04
03
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4 2
I
4 1
2
4 0
3
3 9
4
38
5
37
6
36
7
35
8
34
9
10
I I
3 3
12
32
3 1
13
30
29
14
/5
28
/6
2 7
17
2 6
18
25
24
19
2 3
20
2 1
22
MUT E
AUTO/MA NUAL
UP
Irorn
DO WN
re mot e con trol
INT
A
B
070 5
BCD TO
C
DECIMAL
D
ECODE R
0
FM
0 1 12 , 0 1 11
AM + B
AM +B SW
MW
~
LW
SHIFT
~
AM
10
P S C I
AM I
Q7 01
PULSE FM
FM
1 1--
SWALLOW
10
I
.
PRESCALER
LOCAL
CE
~
OSC
EOI
~
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I 01 0 4, 0105
VT
t
E 02
L.P. F.
I
07 0 3
.
NOIS E
SO
GATE
I
IF L EVE L
CIRCUIT
I' in No .
I
Sym bo l
( '(J P
Te rmi nal
- - -
..
O u tp ut t erm inal Io r sound
- - - -
Dcscri p tion
' 'I'E E'' .
2 - 8 S;l - SI'
Segme nt
Oll I put s
Displ ay t ube s i g n ~ 1
te rmina l ou tp u r
an d kc y
rc ruru signa l source te rmi nals:
ac ti vc hi gh. Sincc Ih esc
t
ermi nal-, can h,lIl d le JO V, th e y are co nncc rcd d irec t ly
to th e seg meut
terminuls of ih e tl u or escen t di spla y tub e.
lJ - 12
-
KO - K J
K ey
retu rn sig ll<!l
in pui s
Te rmiuat s ro r in p ut o f t hc
key
ret u rn sigllals
lr om extc ru al maui x circuit.
D-
I S
IJI
- 1)6
D igit
ou tpu ls D isplay tu bc digil
out pul signal
te n u iua is:
rc tur n signal so urcc
to di odc
matri x.
nc ti ve lo w. 0 1 is uscd th e key
IlJ, 20
X I .
X 2
X 'l al Conu ec t
10 t he 4 .5M H z cry sral osci l lutor.
2 1
V
DO
Po w er sot I rce
inpu t
Dev ice
pow c r so 1I rce
tc rmi nal ; sli ppl ie5
5V dnr il lg no rma l operanon and
[ro ru the super capaci tor C7 14 Ior memo ry preservat ion.
2.5 V
- 8-