Block Diagram／ブロック図; Panel Board - Roland MC-505 Service Notes

Feb, 1998
1 2 3 4 5 6
A BLOCK DIAGRAM／ブロック図
B
C
D

PANEL BOARD

E
VOLUME
MATRIX
F
G
H
PB0-7
I
AN0-2
J
CPU
PEDAL
K
IC1
JK9
L
HD6437042AE11F
Buffer
Q20
M
DTC114EK
Address Bus
N
Control Lines
O
P
Receiver Transmitter
Q
IC20 IC52
PC410X Q16,17,34
R
S
MIDI JK8
T
YKF51-5054
U
7 8 9 10 11
LCD UNIT
DM1628-0AAB
SW&LED MATRIX
PD0-7
Pulse
Gate Array
Processor
IC18,19
IC2
M60205-0601FP
DBCLK
Data Bus
Bus Buffer Card Controle
IC22 IC23,24,25
74HC245
Card Slot CN3;CN015-0301
12 13 14 15 16 17
D4 TLN201 D5 TPS708
Infrared Photo Diode
Receiver
Dbeam
Driver
IC2
UPC4570HA
Q5,Q10
PULSE
Sampling and LPF
XDBPLS
IC50,IC59,Q33
DBV
DRAM for
Tone
Effects
Generator
IC10
IC3
TC514260
RA01-005
Wave Data
IC9
LHMNOPNH
Work RAM Program
IC8 IC4
UPD4218160LE LH28F800SUT
CS1 SYSCS
Decoder
IC21
A21
USRCS
TC3W01
18 19 20 21 22 23
RK09L12D0
VR2
LOWBOOST &
OCTAVE
OCTAVE
Buffer/LPF
IC40,43,55
UPC4570G
IC11
IC12 Buffer/LPF
IC36,IC37
DAC UPC4570G
IC13
UPD63200
Buffer/LPF
IC38,IC39
UPC4570G
User Data PresetData
IC5 IC6(NIU)
LH28F800SUT LH28F016SUT
MC-505
24 25 26 27 28
RK09L12D0
VR1
PHONES
Buffer
IC49
M5218
JK6
MIXOUT
Mixer JK2,JK4
IC47
UPC4570G
DIRECT1
JK1,JK3
DIRECT2
JK5,JK7
PresetData
IC7
UPD23C16000WGY-
835-MKH
13