Onkyo TX-7430 - LB1630 (Motor Drive); 74 LS145 (BCD to Decimal Decoder); PA81 C (Buffer); Truth Table

TX·7430
LB1630 (Motor Drive) TRUTH TABLE
IN 1
IN 2
OU T \
OUT
2 MOTOR
H
L
H
L
Normal
L
H L
H
Rever s e
H
H
OFF
eH Wail
L
L
OFF
OFF
Wait
Voull Voul2
7
,--....,.---t--~..,...+-t-..,....~--,.---t---....,.--OVcc
Vinl
Vconl
2
l---+-------+..-II-~:)C>ND
V in 2
Pin6:NC
74LS145 (BCD to decimal decoder)
O uTP U TS
INP UTS
NO
0
, ,
)
.s
6 1
,
0
C
B
A
•
L
H
H H
H H
H
H
H H
I
0 L L
L L
H H
H
H
H
H
H
H
H
L
L L L
H
,
H H
L
H H
H
H
H
H H
H
L
l L
H
.,
H
L
H
H
H
H
H H
) H H
l I.
,
H
H
H
H
L
H H H
H H
L
H
L
L
H
H H
H H
L
H
H
H H
L
H
L
H
s
H H
H H H H
L
H
H
H
I
6 L
H
H
L
L
H
H H
"
H H
H H H
H
H
L
H H
•
C
L
L
H
H H H
H H H H
l
H
•
H
H H
H H
H
H
H
lH
l
l
H
"
H
H H H
H H
H
H
H
H
H
l
H H
H
H
H
H
H
H H H
H
H
l
H H
H
H
H
H
H
H
H
H
L
H
L
:1:
H H
l
H
H
H
H H
H H H H
H
H
H H H
H
H
H H H
H
H
~ I:
H H H
H H H H
H
H H H H
H H
LA1266 (FM IF and AM radio system)
.
~
~
"
0
~
~
.
x
~
~
~
~
~
s ~
•
s ~
o
z
o
o
"
~
o
~
o
I1PA81C (Buffer)
15
14
13
12
11 10
16
,..----<_-+-I-.- --.-_-+-+- - __- --. -+-_ - .._- ..- H >- ----< t- ---< H 4- - _ - _ --+_ - _ - +_+------<1 9
RBI
'-- t- -- -+- -+ --- ..-- +- -- --.. ---,I- --~ _+_ -- ---.. - f--- --~- _D 8
6
7
20KO
RB2 : 2KO R2
100KO
2
5
RBI ' 20KO
Rl