Roland RD-700SX - Block Diagram

30
Jan. 2005 RD-700SX
BLOCK DIAGRAM
fig.15-block.eps
JACK BOARD
MAIN BOARD
KEYBOARD
LCD BOARD
SW/LED
IC5
[D3.3V2]
IC11
IC51
BUFFER
IC26,IC27, IC28,IC29
IC108
JK111
IC12
USB
ADDRESS/DATA BUS BUFFER
IC106
LCD UNIT
BUFFER
SW/LED
IC25
[R]
XLR OUT
IC19
[4MB]
CONT
[16MB]
JK101, JK105
JK102
KEYSCAN
[2MB]
[16MB]
JK110
USB I/F
IC13
CONTRAST (A/D)
IC45,IC47
JK109
IC23
PEDALS
CPU
[L]
D/A
IC6,IC7
PANEL R BOARD
IC8
LINE OUT PHONES OUT
[A5V]
DAMP
VOLUME
PROGRAM ROM
VREG
IC41
SDRAM
VREG
CONT
SDRAM
WAVE ROM
IC22
[D1.5V]
IC101B
IC2,IC3,IC4
TONE GENERATOR
A/D VOLUME
PANEL L BOARD
BUFFER
IC107
FILTER
MIDI
IC101A
VR1,IC3
MULTI -PLEXER
JK108
IC38 IC20
IC102A
IC9
VREG
JK106
BENDER UNIT
BUFFER/ DECODER
IC7,IC8
IC1
IC10
[D1.9V] [D3.3V1]
VREG VREG
IC44
RESET
[D3.3V3]
IC24
VREG
JK103 [L] [R] JK104 JK107
IC103, IC105
SWITCHING REGULATOR
INLET BOARD
JK1
D5V A12VP DGND AGND A12VN
POWER SW
VR2,VR3,VR4,VR5,VR6,VR7,VR8 VR9,VR10,VR11,VR12 IC1,IC2,IC4
VR13