Block Diagram - Roland A-6 Service Notes

A-6
1 2 3 4 5 6

BLOCK DIAGRAM

A
B
C
D
FADER
E
F
G
MIDI
H
BOARD
CPU
I
IC7
HD6432653
J
BA11F
K
L
GPI IN
M
N
O
P
Q
R
S
T
U
4
7 8 9 10 11 12
PANEL BOARD
SWITCH , LED
D-RAM FLASH-RAM
IC8 IC9
TMS418169A LH28F800SUT
CLOCK GEN.
IC19
TC9246F
SCSI CONT. D.OUT I/F D.IN I/F
IC4 IC1
SYM53CF92 TC9271F LC8905V
ZIP DIGITAL OUT DIGITAL IN
A6-OP1
(I/O BOARD)
13 14 15 16 17 18
SWITCH BOARD
SWITCH,LED
IDE LCD
Drive UNIT
I/F GATE ARRAY
IC13
SLA919FF0J
DSP
D-RAM
IC11
IC12
TC170C140AF
LH62800K
MAIN BOARD
IC2
L R L R
OUTPUT INPUT
19 20 21 22 23 24
INPUT
VR
INPUT
VR
A/D/A
IC24
AK4520
MUTE
IC35
4053
INPUT
VR
A/D/A
IC23
AK4520
Oct, 1998
25 26 27 28
MIC
L
VCR
INPUT
R
L
MASTER
OUTPUT
R
L
CD
INPUT
R
L
MONITOR
OUTPUT
R
SEL.
IC33
IC35 PHONES
4053