Roland Edirol StudioCanvas SD-80 - Block Diagram

May.2002 SD-80
BLOCK DIAGRAM
fig.block
CPU
IC2
HD6417706
02903723
subCPU
IC17
M37641M8-
137FP
02902867
MaskR OM
IC28
IC29
03010612
03010623
DC-DC
converter
IC1,Q1
SDRAM
IC4,IC6
LC381616FT-70-TLM
03015212
DRAM
IC26
GM71C18163CJ-6
02450401
DRAM
IC30
GM71C18163CJ-6
02450401
Flash
memory
IC3
LH28F160BJE
Tone
generator
IC27
TC223C660CF
01455956
Tone
generator
IC19
TC223C660CF
01455956
Level Converter
IC10,IC11,IC12
Level Converter
IC20,IC22,IC23,IC24,IC25
DIT
IC33
TC9271F
S
01785178
DAC
IC34
PCM1716E
01897201
DA
C
IC
32
PCM1716E
01897201
IC35 UPC4570
G2
IC6 NJM4565D
IC31 UPC4570G 2
CN4
CN8
CN5
CN9
CN3
CN10
CN6
CN8
CN7
CN3
CN5
CN7
S W matrix (3s canx4data)
LED matrix (3scanx3data)
LCD
R CM2072M-B
02780067
contrast
reset, clock
JK10 JK11 JK12
JK8 JK9
JK7 JK3
JK5
JK4
JK6
JK2 CN2
SW2
VR1
+5V+1.9V
+15V
-15V
+3.3V
CN6
CN1 CN1
CN4
JK1
POWER
S upply unit
BOARD1
A1DU2L3B104
02457745
SW1
EN1
ENCODER BOARD
ASSY 72120545
LCD BOARD
ASSY 72120523
PANEL BOARD
ASSY 72120512
POWER ASSY
72125767
MAIN BOARD
ASSY 72120445
JACK1 BOARD
ASSY 72120490
VOLUME BOARD
ASSY 72120534
JACK2 BOARD
ASSY 72120501
WIRING
4X200-P 2.0-PHR-PHR-F
02342012
WIRING
6X200-P 2.0-PHR-PHR-F
02343245
WIRING
8X150-P 2.0-PHR-PHR-F
02343545
WIRING
12X100-P2.0-PHR-PHR-F
02344001
WIRING
4X50-P 2.0-PHR-PHR-F
02341967
BNC D-P=1.00-K-16-120
02908823
BNC D-P=1.00-K-18-60
02903067
BNC D-P=1.00-K-14-200
02239390
i
g.ca
bl
e
Bind the wiring between MB and J1B, and the wiring between VB and J2B as shown in
the figure. Fix them onto the bottom chassis with tape.
Otherwise, OUTPUT terminal noise may increase and there may be a danger of the
wiring touching the power unit.
1817