Table of Contents
Advertisement
. IC TECHNICAL DATA
PD3012
I
I
N o
Symbol
N a m e
r/o
D e s c r i p l i o n
,]
G N D
2
R E S
H È à
I N
Fl eset
3
I N T
I N T
E x t e r n a l i n t e r . u p t / P O W E R O F F c a u s e s L ( T h i s a u t o m a r i c a l l v l e a d s r o S T O p m o d e )
4
+ 5 5 V
5
X T A L
X T A L
I N
4 OMHZ Crvstal resonâtor
6
E X T A L
E X
T A L
7
N U M
N U M
G N D
T I M E F I
T I M E R
Normally at H
co
R E C M U T E
O U T
Deck B Rec mute output
L level turns FIEC mute ON
1 0
c 1
L I N E M U T E
L i n e m u t e o u t p u l ,
L l e v e l t u r n s L I N Ê m u t e o N
c2
COPY
Signal route change oulpuÎ.
L output during COPY mode; H otherwip
c 3
R E C I N D
Deck B recording LED drive outpur '2
c4
MS
Oeck A time ænstant switch output during music se6rch H during MS mode
1 4
1 6
K E Y S C A N
C s - C 1
oulpul
P o - P 4
outputs
:: rr---rr
,N
c1
1 7
D-7
K E Y M A T R I X
I N
l 8
D6
' 1 9
D5
20
D4
2 1
D 3
D 1
B M S
Deck g MS pulse derætion terminals:
detecl L MS pulses
D O
A M S
Oeck A MS pule derætion rerminals:
detecr L MS gulses
BO
M E M O R Y L E D S
O U T
M e m o r y d i s p l a y L E O d r i v e o u r p u t ( N o 8 ) ;
L l i g h t s u p L E D
' 2
26
B 1
M E M O R Y L E D 7
M e m o r y d i s p l a v L E D d i l v e o u r p u t ( N o 7 ) ;
L l i g h t s u p L E D .
' 2
27
I V E M O F Y L E O 6
M e m o r y d i s p l a v L E D d r i v e o u l p u t ( N o , 6 ) ,
L l i g h r s u p L E D
' 2
2A
D3
M E M O R Y L E D 5
M e m o r y d i s p l ô y L E D d r i v e o u t p u l ( N o , 5 ) ,
L t i g h r s u p L E D
' 2
B4
M E M O R Y L E D 4
M e m o r y d i s p l a v L E D d r i v e o u t p u t ( N o 4 ) ;
L l i g h r s u p L E D
' 2
30
M E M O R Y L E O 3
M e m o r y d i s p l a y L E D d r i v e o u t p u t ( N o 3 ) j
L l i g h t s u p L E D
' 2
M E M O R Y
L E D
2
Memory display LEO drive output (No 2);
L lighrs up LEO
'2
1 a
8 7
M Ê M O F I Y L E D '
Memory display LED drive ou1pu1 {No, 1 ).
L I'ghts up LED
'2
AO
B I A S
O e c k B b i a s O S C O N / O F F o u r p u t :
L d u r i n g R E C m o d e
34
A I
R E C / P B
Oæk B PËCIPB switch-over oùtputj
H dùring AEC mode
A 2
B TJUTE
Deck B signal route switch-over:
L during PLAY on Deck B
36
A 3
A M U T E
Deck A signal route switch-over:
L during PLAY/COPY oh Oock A.
3 7
A4
A S O L 2
Deck A Solenoid-2 drive pulse outpur:
L activared
38
A 5
A S O L l
Deck A Solenoid-l drive pulse ourput:
L acrivaled
39
Oeck B Solenoid.2 d.ive pulse outgut:
L acrivâred
40
A 7
B S O L l
Dæk B Solenoid-1 drive pul6e output:
L activated,
{
:t
iÈ
Ë
[-ll]
Transisto, s*;rch
l--[
LGk switch
flTaotual
s*itch
Outpur
I r m r n g
LE O I ighted
LED llashing slowlV
LEO flashing fastly
Fis. 4-14
Advertisement
Table of Contents
