Roland G-70 - Block Diagram

G-70
Feb.2005
49
48
BLOCK DIAGRAM
NOR Flash
Program User
IC82
NAND Flash
USB Storage
512Mb
IC81
16bit 8bit
buffer
PCMCIA Card Slot
16bit
3.3V<--->5V
WX
IC40
T6TV2TB-0001
X2
16.9344MHz
SDRAM
IC38 64Mb
Effect RAM
16bit
X1
CPU
16.000MHz
IC7,IC8
IC6
SDRAM
SH-3 7709S
64MHz Bus
IC11
200MHz
Work RAM
P2027A
128Mb x 2
buffer
32bit
KeyScan
IC74
64Mb
SLAC02AF2H
buffer
3.3V<--->5V
8bit
FDC37C78
IC78
FDC
Wave Bus
128Mb x 6
IC51<--->IC56
buffer
Mask ROM
Wave ROM
16bit
X4
24.000MHz
USBC
IC83
M66291GP
DRAM
buffer
LCDC
IC66
S1D13506F00A2
16bit
Video RAM
8bit
3.3V--->5V
IC102 16Mb IC75
R02780623
SURUGA
16.000MHz
X3
16bit 8bit
16bit16bit
12.000MHz
X5
CODEC
IC60 AK4527B
A/D 2ch, D/A 6ch
USB
Video OUT
Keyboard
TP/8SP
aftertouch
(with aftertouch)
FDD
Colour LCD
QVGA
320x240
LCD
3.3V--->5V
buffer
SW & LED
Harmonic Bars
BENDER
UNIT
DC-AC INVERTER
MOD1 DHE1105-5VE
MAIN BOARD
HARMONIZER BOARD
SWPS
A1DU2L3B034
L- R PANEL BOARD
MIDI BOARD
MIKE
HARMONY
MAIN
DIRECT
METRO
AUX
JACK BOARD
6+1 ch.
AC 100~240V
METRONOME
LEVEL
POWER SUPPLY BOARD
+5V
+12V
-12V
OUTPUT
VOLUME
INPUT
VOLUME
PHONES
BOARD
FOOT
FOOT SW
HOLD
PEDALS
FC-7
MIDI
IN
OUT
THRU
PHOTO
DBEAM
PHONES
HARMONY
BUZZER
CPU
H8 IC4
HD6433060F
ESP-B
IC3
IC2
ESP-A
DRAM
IC8 IC7
FLASH ROM
IC1 4Mb
4Mb
DAC
ADC
IC16 AK5351VF
IC17 AK4324
8bit
16bit
8bit
4Mb
ENC
EFFECT
CONTROLS
ADC IN
ADC IN
X1
16.000MHz
SRX BASE BOARD
IC1
LM7812
IC2
LM7912
INPUT GAIN
Control Board
DRAM