Roland RD-700 - Page 21

Jun. 2001 RD-700
BLOCK DIAGRAM fig.block
LED & SWITCH
LED & SWITCH
LCD
ROM
IC3
BUFFER
IC1,6,7,13,14
CPU
MUTE
Control
Decoder
IC101
MAIN BOARD
Tone
DRAM
IC31
Generator
IC24
Tone
DRAM
IC32
Generator
IC25
ROM
WAVE
IC30,34
KeyScan
IC39
D/A
Converter
IC36
SRX BASE BOARD
SRX SLOT 1 SRX SLOT 2
JACK BOARD
PANEL L BOARD PANEL R BOARD
IC40,43,47,54
MPX
BUFFER
IC42,44
POWER ON DELAY
IC5
RAM
3.6V
IC23
3.3V
IC19
IC2
RST
IC11
ADDRESS / DATA BUS
+5V
+12V,-12V
1.8V
IC20
INLET BOARD
FC2
FC1 DAMPER
LOW MID
CHORUSREVERB
HIGH MULTI EFX
RHYTHM LOWER UPPER2 UPPER1
BENDER
Keyboard
LINE OUT
MIDI
IN OUT
MIDI THRUPHONES
Power Supply
Q205,206
MUTE
Q202,203
MUTE
Q201,204
MUTE
22 23