Onkyo TX-7430 - Circuit Descriptions

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CIRCUIT DESCRIPTIONS
1: Remote control decoder (LM6405G)
x.i o t
o---E
Ta tun nr {
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INDIC fl TOR
- -t- - - - ..
-
-t- - -r- -PHo
P E , ( PL fI , )
-~ --- ..
PEo
(PLA O )
f--- - - -
PE
I (P LA' )
- ~--- ..
T - 2
PG ,
Ph (P Lfl7)
PG2
.. - +- - - -
P G,
PHI
TEST
PH,
PG o - ~--- -+- - -
t
PA '
PA>
POo
po,
PAO
- ~--- -j
P I2
PB 2 - -I ,----- - -j ) 0--
PB I
PC]
p o ,
Pl I
PI O
PH,
P A'
IN
T
P Oo --I '--- - --j
V oo( '5V)
PCo
PB' - - f-- - -I ;>0
E X .la l
P F> ( PL fI .)
pc ,
~ E S
p o>
PE > (P LA 2 )
~ f----
Vss
Ta v alu me [
ca n
tra l lC
Ta
mut e [
r
Sw itc h ..
VCR - 2
VCR - ,
c.p
P H
---.-L!J
T- I
Ta casset te
t erminal
• 12V
;,.0--- - T a CD t erm i nal
LM 64 05G
M AIN OFF
SP CTL
BACK UP
I N I T
STAND
BV
POWER CTL
PROTEC T
REMOTE S
ENSOR
T- 2 ONIO FF
Descrlpti on
!'ill No . Code
X't al Ccr.unic rcso ua to r
I
Pr oset STATION U!' sigIlai o utput ter min al
O utput
"L " durin g pu shin g o f rc mo tc co n tro l ST AT IO N LiI' KEY
2 ST. ur
l'r es ct S TATION D OWN sig nal outpur te rmin al
Output " L" durin g pu shillg o f rc mote coutro l ST AT IO N D O W N K EY
3 5 1'. D N
(NDI
T erminal Ior indic ntiug Light recci v ed by r cm otc c out rol ; during liglu rec cpti on , "L " is output
5
7
Re
set termin al
RE S
VO L.
U!' V OLUME U!' signa l o utpur tc rmiu al
Outputs "L" during push ing of VOLLiME ur KEY
8
VOL. DN V OLUM E D OW N signa l outpur t erm inal
OUlpUI " LU durin g pu shing o f VOI.UM E DOWN KE Y
9
10 MUTIN G MUTI NG O N/OFF o Ul pull erlllinal
Switchin g of " L" ++" H" (ON = " H") by niean s of renr ote co ntro l A UDI O M UTIN G K EY
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