Controller Connection - Onkyo TX-7430 Service Manual

TX-7430
2. Controller co n ne c t io n
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5
37
6
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10
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32
3 1
13
30
2 9
14
/5 28
/6
2 7
17
2 6
1 8
25
24
19
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20
2 1
2 2
MUT E
AUTO/MA NUAL
UP
Iro rn
DO WN
remot e con trol
I NT
A
B
070 5
BCD TO
C
DECIMAL
DECODE R
0
FM
0 112 , 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
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.
PRESCALER
LOCAL
CE
~
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01 0 4, 0105
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.
NOI S E
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IF L EVE L
CIRCUIT
I' in No .
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Sym bo l
( '(J
P
Te rmi nal
- - ­
..
O u tp u t term inal
Io r so und
- - - -
Dcscri p t ion
''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 t i vc
hi gh.
Sincc
Ih esc termi nal-, can h,lIl d le JOV, th e
y
are
co nncc rcd
d irec t ly
to th e seg meut terminuls of ih e tl uor escen t
di spla y tub e.
lJ ­ 12
-
KO - K J K ey re tu r n sig ll<!l
in pui s
Te rmiuat s ro r in p ut o f t hc key ret u r n sigll als lrom extc ru al
maui x circuit.
D-
I S
IJI - 1)6 D igit ou tpu ls
D isplay tu bc d igil o
ut pul signal te
n u iua is:
rc tur n signal so urcc to di odc matri x.
nc t i ve lo w.
0 1 is uscd th e k ey
I lJ, 20
X I .
X 2 X 'l al
Conu ec t
10 t
he 4 .5M H z crysra l osci llutor.
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 ie 5 5V dnr il lg no rma l
operanon
and
[ro ru the super capaci to r C7 14 Io r memo ry preservat ion .
2.5 V
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