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Nov, 2001
1
2
3
4
5
6
BLOCK DIAGRAM
A
B
C
D
D-BEAM
E
CONTROL
F
16MHz
X1
G
IC8
H
RESET
I
J
K
L
MIDI
IC1
M
IN
PHOTO
2
N
OUT
2
O
P
Q
DC IN 9V
VBTY
POWER SWITCH
+
1
1
2
-
R
2
3
POWER SUPPLY
BATTERY
1
2
S
T
U
7
8
9
10
11
12
13
MAIN BOARD
IC2
M38039MFFP
AN0-AN2
XIN
P10-P13
XOUT
XOUT
P20-P27
XRES
P50-P52
INT1
P30
P31
AN6
P32
P33
P36
IC10
AN4
P00-P07
LATCH
CPU
RXD3
IC6
TXD1
W P
P57
SDA
P56
EEROM
SCK
P55
+5VD
14
15
16
17
18
19
IC11
XINT
A0
A1
10MHz
XRD
XWR
CLK
X2
XCS
KEYSCAN
IC7
MK0-MK5
3STATE
BR0-BR5
BUFFER
D0-D7
T0-T7
45 KEY
KEYBOARD
20
21
22
23
24
25
RIBBON
MOD
UNIT
DATA
ENTRY
IC22
LED
MATRIX
IC21
Q9-Q13
CONTROL BOARD
AX-7
26
27
28
29
30
D-BEAM
PHOTOC.
IC1
HOLD
SWITCH
DISPLAY
SWITCH
MATRIX
9
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