Akai AT-S55/L

ic4
TC4069UBP
POWER o7 os448
suPPLY pcBORs
06 10D-I
A
crs
100/10(M)
C24
iS
0011798
ae
70
a
acEnSw Reames) 4
4.4
10/16(M)]
R24 47K
gee)
LAC
IS
® = @s4v MOSEL O_O
“R28 33
TRS,10,11
\608K-NP(F,G)
= 5.2V
R25 10K
NOTE
UNLESS OTHERWISE SPECIFIED
ALL RESISTORS IN OHMS |/4Wiu)
ALL CAPACITORS IN yF 50 WV K)
FUNCTION SWITCH PCB A3OIIC5050
i
Sea
«Tea
PRT
«SPN
SIN
0S
(ae
ee
ee
aey
ane)
SEE
«Ree:
Oyen
|
CREED
Cente
Lemeneene
Eeea
reas
K
AT=-S55L
ue
Pow
TUNER
PCB
TUNER.
FEB
SUPPLY
PCB
s
EcB
0S6G
sGD
aap
Ge
#}
¢<b
|
SYNTHESIZER
PCB
A3O1IB5020
asc536K-NP
28K
28K
30A
--~@)
2)
~(3)
<a.
ee
m=
2)
(9)
@)
(0)
baa
=~
afc
ati
2SA608K-NP
3
a]
Z
3.6V
s
x
TRIZ
POWER
E
fur
2.2un"
z
ag
Ke
R59
1M
be
80
-
=
SUPPLY re
Oren)
8
=
8
VOLTAGE
MEASURED
AT
FM
MODE
ees
RPiROF
ee
dl
‘iv
°o
4
:
.!
ET
2]
ag
|
Ss
cen
lal
ale
87
ol
pee
“7
TRIG
tia
8
6.2y
:
R61
1M (ew)
2
rlel
ia,
|
ae
>
|
O-
el)
dea
SD
PRESET
SWITCH
PCB
A30IIC5040
:
om
feskiaty)
2
0.02)
4.7V,
uC
iy
$/
5 270
v2
=
==
a
2
Ca
@)
ToSIO2ZP
@)
x
New
o|
of,
for
“a
ov
i
@
2]
8
Te
5
ae
oe
er
.
C5
6.5v
!
é
©
2
sf
|
l
Qa’
a”
gv
ie
swi2
ee.
swo
8
jov
i"
©-@---@--®
}
a
4a
&
|
D23
p24.
(p22
(“Del
a
Ae
2
-
ody
(
DI
pla
o10
pe
z
i@®),|
ae
eg
g
gant
an
nt
a)
&
fo
fis
¢
ry
a
©
©
@
g
a
o
Yo
1
$
¥
25CBB6K-NP
@)
+
ow
-
|
\@
Poue
Sw5
BATTERY
PCB
t
=
-
®
Gav
ole
D6
bs
A3OIID5070
5
tea
-
2
iy
Is]
ote
--
-
_
it
eas
3
ehLO-D
8
64
S5P
33y,
O--@---
&
s
re
3
a
3
1c2
o
:
pis
#0
¥
0s
cae
~
a
20
ov
D4
03
D2
D1
é
®
cszap
a
|
Tesl2sP
aay
2)
oO
fa]
Ey]
fal
i
:
PS
o
©
Owl
|
RIO
to!
6.2V
3
‘
¢
i
©
ef
glel]e
DI3
to
24
®
be
ld
VCl
30P
Lo.
(3)
(5)
6)
(?)
8)
J
2SK30AlY?
{)
a
~
2
2
a
ig
SLP-155D-O1
i
=
os
Gy
Orv
Ah
RP
a
$s
Deeds
3d]
®
<
2
tr7,8
Tov
als]
sf
&
9
a
ca
2
2x
2SC536K-NP
¢
-
Z
|
a
2”
{Fe
a
=o
4
vf
OCB
ISS
ET
|
so
ee
!
TUNER
PCBEQ
°
‘O)
'
on
&)
|
a>
(0510
MUTE
2]
|e
Oise
ee
Eee
ery}
@
ef
g
;
0
a
aera
eee
ES
(Ea
(at
or”
g
Kev
|
3
8
S
oe
FREQ
1
Sssv
anes
|
Oe
6
Bum
m=)
a
&
@aucs4357z
|
Eze
2S8A608K-
NP
(F,G)
|
2
be
Ss
4.5V
6
@)
pos
és
'
ma
|
CC
TT
PT
tpt
®
'
ge
fT}
Pi}
yyy
@
1¢3
(J3)
a
55¥
i
i)
SO
Ee
GD
o
a
‘
|
[PPE
TTT
6
5
:
ae
ae
a
L
7
©
1,9V
iF
{6
=
Jury
@iav
eg
3
aes
an
.
.
7
7
Lov
Ay $
Oi
3
1.0V
o-
@
t
Lov
d
&
6
2.3V
yg
*
1
r.
.
INTERRUPT
®
Or"
'
FREQ
,
=
'
.
5
TUNER
PCB@)
(5)
7
=
|
@
Dswa
|
H
sws
Oswi
GRD
MUTE?
3
bd
-
—-~
@-—@--O—
DI
02
8
2
2.2V
41)
@2
R5O
@
inDI
H
[MANCAC]
[PRESET]
[MANUAL]
[PRESET]
[Bown]
z
:
aav
hy
GA
y
2512
©L_®
2
;
;
ie
-
t
:
23.0)
0
5-51
yp
852
SL-1724
cca!
1
@;—-O
ites
LPUNING
MODE
}
go
1
8
28C536K-NP
3
Hiv
23
_6
AM
|
/
i]
|
/
/
[
Kez!
G4
SLP-225D-01
t
8
{F,@)
sav
EM
Hiv
24S
t
@t-©
a
2
7
AT-S55L
SYNTHESIZER
SCHEMATIC DIAGRAM
I621055A
NO2-2