Technics SX-KN930 - Performance Recording and Playback; Playback of Recorded Performance

MAIN (B) P.C. Diagram
450
£\
A
Sr - -
2retitcte
xy
ee
eg.
C49
,
0.0028
:
e|[e¢
3
$
3
.
11.28MHz)
7
eb
SLL
ote
t
]
M5218FP
AS2
A
,22K
ou
x
Ae,
hy
"83
=2SD601AQ
S-
f
WYWNIh
eawoarxuseNr-gopeerwaoZag
go
303
150
PCM69AU
=o
—
=-oOogocoog
~aoaraad
EEE
be
4
2
4
a
292992222265992392226999905*
65
pla
IT
JT
vec
D-ACORVERTER
“A
ee
Oe
Z|
Nrersa
2222222233
22222233
22222
rawore
[ie
3 NRSTCPU Creare a4 RAMDT4 Ti?
44 Nes RANDT3
i 51 nwa spiREV P18
(RD sporev He —}
a
44
4!
Docho
[us|
sbocHo
(Ag
8
a
SDOCHO
PAs A3 SDIDRY
pAg 0 11 A4 spopry P11]
Ni TEMODE3
DI15
2151s
TEMODE2
|
13_]
225
(pia
3
|
GND
[1984
20x
4
pois 3 DIVOUT
2 FY spomix POST ag tT
Pie
oi
LACK
Figg
Ed
F415
eck
Ft
tty!
pos
Ting
ROMDTI1
Figs
—
Z19
pos SN ROMDT4 OXA Woiea
20
GND
WA
+50
<J
31
VDD
Ic2
VoD
00
Db
GND
3
Z18
r
1
D3A.
D7 D96140GDo001 ROMDTS
pea]
28
TONE
GENERATOR
LSI
Romprie
boa]
28
Boers
D4 ROMDTS 5
pbs 8 3 ROMOT2 [22 —laqa | Zi W2A
[oz
27
FO
ROMDTI3
Fz
—LA
Nyy
exe
ow
Dt ROMODTS
roo————25 | RONOTS
301
intour
ROMOTI
Ft
TAS
SIZEN
3 RXBUSY GND 65 rat A A oy
MCKIN ROMDT 14
[sa] GND RoMpry [82 WO7A J Y WA Tak — 36 |
TEMODEO
ROMDT?
[s6_t
1
Zs
WDOA
= ROMDTIS.
7
AIGA
LWATTA
39
|
|
37
tae
ROMADI6
Fa
et
AOA
SOG 7 9 9
Z23
8
8
22 a
oos
7
x8
eaca
6
6
5 5
4 4
3 3
2 2
1 1
1} 0
vss VSS
x
QSIGU3C32397
7 aK 32M BIT WAVEFORM ROM
+ oH Go
or Kr ja Ics
TC7S32F +5D
2INPUT OR GATES A ~|elsI=
5 ejo|;co|co
a
3/8|=
15
14
RO3 4 ICc3 RAS RAS 13
=
LW
12
vee
D6383GF-3BA
pad
ow
"1
ae
DIGITAL
SIGNAL
XO
10
Hrs
PROCESSOR
xt
H
vo}
8
D1
D2
&
ss
D3
%
AD
5
D4
“
OS 3 4
ne
2
3
Dr
1
2
rs
0
1
D74HC374GS
HEX BUFFERS
Ic238
LC321664AJ80
1M BiT
DYNAMIC RAM
Bie Ets!
wy tay
i
Il-11 | II-12
FAJ
MKB2
CN4
NKB2
CNS
cP
JW1