Roland GP-16 - System Block Diagram; GP-16 System Block Diagram

gp-
1 e
Jan, 1990
BLOCK
DIAGRAM/7
y?H
Front Input
Jaok
GP-
1
6
BLOCK DIAGRAM
VR BOARD
CN1
Rear Input
Jaok
Balanoed
Balanced
Output A
Output B
POWER
3
CN5
+5
77
GND +5V
±1
5V
RRC IN MIDI OUT MIDI THRU MIDI IN
"9“
CN1
O
LCD UNIT
S
'
~n
iz
CN4
ENCODER
BOARD
CN5
A®
H
<
l
hO
<0
js
CN8
f|
CN7
IE_ZSE
i
sw
BOARD
~ir~
7
\
( 7
f \
(
7
!
\
C
i
RRC IN
INTERFACE
MIDI OUT
INTERFACE
MIDI THRU
INTERFACE
9
—
9
MIDI IN
INTERFACE
a
F I LTER
A/D
CONVERTOR
CN3
LED
BOARD
D/A
CONVERTOR
L_^
J
R>
VCA
j
X
Channel
1
Output
A
~K~)
Channel
I
Output B
Channel
2
Output
A
“Kj
Channel
2
Output B
ANALOG
BOARD
CN2
H
s n
CN9
TV
A
GND
+5V ±15V
CN6
7V
I
CN2
|
7777^
TXD RXD
zz
UPD70320GJ-8
(V2b)
I C
1 6
/\
/\
CN3
CN4
CN1
BUSY
CHI FA
CHIP
ADDRESS BUS
A00-A19
£
DATA BUS D0-D7
TC531001AP
IC1
1
ZUI
M5M5256BP-
1
2LL
I
Cl
2
1 CHIPS
LEVEL METER
CIRCUIT
Z1
ffr
L
1£
SM5807EP
IC8
TC17G005-078
I
Cl
3
A A A
rctt
M4464
I C26
1
1
M4464
IC24
zal:
7
1
4
km
m
.
1Wm
EOS
Busy
1
DSP ADDRESS BUS AQ-A4
!!
HII
DSP
DATA BUS DO-D7
N
E3I
M60014
BOSS-017
I
CIO d
8§k
70
49.
152MHz
TC23SC260-002
I
Cl
7
CHIP
0
7
HUBS
TC23SC260-002
I
Cl
8
CHIP
1
rres~
IZLZ
TC23SC260-002
I
Cl
9
CHIP
2
MAIN
BOARD
20