COM1
CO M 2
C O M 3
C O M 4
S1
1 0
k
1 0
l
1 0
h
1 0
p
S2
1 0
a
1 0
b
1 0
c
W-2
S3
1 1 1
k
1 1
l
1 1
h
1 1
p
S4
1 1
a
1 1
b
1 1
c
W-3
S5
1 2
k
1 2
l
1 2
h
1 2
p
S6
1 2
a
1 2
b
1 2
c
DP2
S7
13k
13l
13h
13p
SB
13a
13b
13c
W-4
S9
14k
14l
14h
14p
S10
14a
14b
14c
W-5
S11
15k
15l
15h
15p
S12
15a
15b
15c
5-2
COM4
-
-
-
COM4
COM3
-
-
COM3
-
COM2
-
COM2
-
-
COM1
COM1
-
-
-
S13
Q2
R
Q5
-
S14
15j
15g
15m
15n
S15
Q4
15f
15e
15d
S16
14j
14g
14m
14n
S17
TNC
14f
14e
14d
S1B
13j
13g
13m
13n
S19
Q3
13f
13e
13d
S20
1 2
j
1 2
g
1 2
m
1 2
n
S21
Q1
1 2
f
1 2
e
1 2
d
S22
1 1
j
1 1
g
1 1
m
1 1
n
S23
SUB
1 1
f
1 1
e
1 1
d
S24
1 0
j
1 0
g
1 0
m
1 0
n
S25
DCS
1 0
f
1 0
e
1 0
d
S26
T
SQ
BUSY-2
W-1
S27
9j
9g
9m
9n
S2B
minus(-)
9f
9r
9r
S29
Bj
Bg
Bm
Bn
S30
plus(+)
Bf
Be
Be
S31
7j
7g
7m
7n
S32
Nar
7f
7e
7e
S33
6
j
6
g
6
m
6
n
S34
Lo
6
f
6
e
6
e
S35
5j
5g
5m
5n
S36
Mj
5f
5e
5e
S37
4j
4g
4m
4n
S3B
AM
4f
4e
4d
S39
3a
3f
3e
3d
S40
2
a
2
f
2
e
2
d
S41
F
1
b,c
SQL
BUSY-1
S42
2
b
2
g
2
c
T-1
S43
3b
3g
3c
T-2
S44
4k
4l
4h
4p
S45
4a
4b
4c
T-3
S46
5k
5l
5h
5p
S47
5a
5b
5c
T-4
S4B
6
k
6
l
6
h
6
p
S49
6
a
6
b
6
c
DP1
S50
7k
7l
7h
7p
S51
7a
7b
7c
T-5
S52
Bk
Bl
Bh
Bp
S53
Ba
Bb
Bc
T-6
S54
9k
9l
9h
9p
S55
9a
9b
9c
5-1
S56
N.C.
-
-
-
27
Summary of Contents for DR-620
Page 20: ...Front C PU 19 M3B5 3M2H667FP X 914 20...
Page 24: ...23 Transistor Diode and LED Outline Drawings 24...
Page 26: ...24 LCD Connection 26...
Page 28: ...EXPLODED VIEW 1 Front View 28...
Page 29: ...2 Bottom View AA0050 29...
Page 49: ...n 3 n 3 3 C 3 a C a a D O a 4 CD P C BOARD VIEW...
Page 50: ...3 Main Side A 50...
Page 51: ...4 Main Side B 51...
Page 53: ...MAIN SCHEMATIC DIAGRAM _ a a A r t I m a J S3...
Page 54: ...FRONT BLOCK DIAGRAM M IC R O M O T E E M S 5 7 D O W N S Q L 54...