U
W
Y
AA
AC
V
X
Z
AB
AD
5.1V
0.2V
0.2V
0.2V
0V
5.0V
5.1V
0V
5.2V
5.0V
2.5V
2.1V
2.5V
2.5V
2.4V
2.3V
0V
2.4V
5.1V
0V
5.1V
5.1V
0V
5.1V
5.1V
5.1V
0V
5.1V
0V
0V
0V
0.2V
0.2V
0V
0V
0V
5.2V
5.1V
5.1V
5.1V
2.4V
0.2V
5.0V
5.0V
5.0V
5.1V
5.0V
0V
0V
0V
0V
5.1V
0V
5.1V
0V
5.0V
4.9V
5.0V
5.1V
5.1V
4.6V
4.8V
0V
5.1V
5.1V
5.0V
0V
0V
5.1V
0V
5.1V
5.1V
5.0V
5.0V
0V
5.0V
5.0V
5.0V
2.2V
5.0V
5.0V
0V
5.0V
2.4V
0V
5.1V
2.5V
0V
0V
5.2V
0V
5.1V
5.0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.2V
0.2V
0.2V
0.2V
0.2V
5.1V
0V
5.1V
5.1V
5.1V
5.1V
5.1V
5.1V
0.2V
0.2V
0V
0V
0.2V
0.2V
5.1V
0.2V
0.2V
0V
5.1V
0.2V
0.2V
0V
0V
0V
5.1V
0V
0V
5.1V
2.8V
5.1V
5.1V
5.0V
0V
0V
0V
0V
5.1V
5.1V
5.1V
0V
0V
0V
0V
0V
0V
0V
5.1V
5.1V
5.1V
5.1V
0V
0V
0V
5.1V
0.2V
4.7V
4.7V
0V
5.1V
5.0V
0V
5.1V
0V
0V
5.0V
5.1V
5.0V
0V
0V
5.1V
5.1V
2.8V
2.4V
4.8V
5.1V
5.1V
5.1V
5.1V
5.1V
5.1V
5.1V
5.1V
1.5V
0V
2.8V
5.1V
5.1V
0V
0V
0V
5.1V
5.1V
0V
5.1V
0V
5.1V
5.0V
0V
5.0V
0V
0V
5.0V
5.0V
0V
0.2V
0V
0V
0.4V
0.4V
0.2V
0V
5.1V
5.1V
0V
5.0V
0V
5.0V
0V
0V
5.0V
5.0V
0.5V
5.0V
0V
0.5V
0.4V
0V
0.2V
0.6V
0.4V
0.5V
0.2V
0V
4.6V
5.1V
5.1V
4.8V
4.9V
5.0V
5.1V
5.1V
4.4V
0V
5.1V
0.3V
4.8V
0.5V
0V
0V
0.3V
4.6V
0V
0.3V
4.9V
4.8V
0.4V
0.4V
4.8V
0V
0V
0V
0V
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
GND
A15
A14
A13
A12
A1
1
A10
A9
A8
D7
D6
D5
D4
D3
D2
D1
D0
VLDT
VLCK
BACK CHK
MNT
O
MNT2
XRST
TX
RECP(WRDWP)
MNT3
VDD
X IN
X OUT
GND
GND
RESET
REM
XINT
CE
SQSY
DQSY
DDQSY
MNT1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
EXLAT
RD
WR
CS
STB
VDD
POWER
MUTE
INI SW2
SCHNG
S BUSY
S DATA
SCL
SDA
LDON
RMS
XLAT
SENS
GND
PROTECT
PEFRECT
DISC IN
STTLMT
PHOT SW
REC SW(REC-P)
LOAD IN
LOAD OUT
SRCLAT
DSUB2
DSUB1
DEMPH
DLAT
DCLK
DWDT
DRDT
FLDCE
EXDT
CENA
CTXD
CRXD
SCLK
SWDT
SRDT
+5V
ENCA
BACK ON
GND
ENCB
BACK V
INI SW
TM SW
KR3
KR2
KR1
KR0
+5V
VDD
X3
12.5MHz
R336 2.7K
R307 100K
R340 100K
R339 100K
R343 100K
31
32
34
33
35
36
R342
1.8K
38
R345 100K
R346 100K
R348 100K
R347 100K
44
45
46
47
48
50
42
C322 0.01
R344
1K
0.1
C323
R333 100K
53
R349 10K
R382
R350 10K
R351 10K
R353 10K
R383 100
R385 100
R384 100
54
56
55
57
C324
0.1
R370 47K
R371 110K
R354 100K
1K
R355
1K
R356
60
63
R379 100
R380 100
R381 100
65
66
67
70
69
68
74
73
77
78
76
75
80
72
1
2
3
2
1
2
83
82
96
97
98
94
95
93
91
92
90
88
89
86
87
85
84
1
2
3
4
5
6
X IN
RST
VPP
SCK
SO
SI
75
74
73
1
2
3
43
38
13
14
VSS
D3
D2
D4
10
1
1
12
D0
D1
D6
D5
A0
D7
4
7
A10
A2
A1
9
CS
A3
8
OE
A9
A5
A4
6
A1
1
A6
5
A8
A7
3
A13
A14
A12
2
VCC
WR
1
15
16
17
19
18
25
22
20
21
23
24
26
27
28
98
97
96
95
94
93
92
8
9
10
88
86
90
84
85
87
89
91
100K
R320
21
23
24
25
26
D1
D6
3
4
2
QO
Q7
1
OE
VCC
D0
D7
D3
D4
7
8
5
6
Q2
Q5
Q1
Q6
D2
D5
9
10
GND
LE
Q3
Q4
20
19
18
17
16
15
14
13
1
1
12
25
91
84
88
85
88
8
24
9
23
86
87
86
87
90
89
90
89
10
21
84
85
100K
R319
6
5
8
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
D3
D4
D5
D6
D7
A8
A9
A10
A1
1
A12
A13
A14
A15
RD
WR
CS
VDD
A
VREF1
GND
A
VREF2
A
VREF3
DOSY
SRDT
RXD
TXD
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D2
D1
D0
STB
GND
CENA
CTXD
CRXD
VDD
VSS
X1
X2
VDD
RESET
X MODE
SCLK
0.01
C312
0.1
C321
R300 100K
R364 100K
R341 100K
R298
1M
R315 100K
R313 100K
R314 100K
R324 100K
R338 100K
R325 100K
78
73
R299
R369 100K
R368 100K
R365 100K
R363 100K
R366 100K
C310 0.01
C311 0.01
70
69
68
21
22
23
29
31
30
32
34
33
35
20
VCC
OE
14
17
D0
D7
Q7
19
Q0
D6
18
D1
Q2
Q5
Q6
16
Q1
D5
15
D2
D4
13
D3
E4
Q4
12
GND
Q3
1
1
1
7
4
2
3
5
6
8
9
10
A0
A1
1
23
22
21
20
19
D7
A10
CS
OE
28
27
26
25
24
WE
A8
A9
A13
VCC
A4
10
A2
A1
9
8
A3
7
6
A12
A6
A5
5
4
A7
3
2
A14
1
14
VSS
D1
12
13
D2
1
1
D0
D3
15
16
17
18
D5
D4
D6
35
34
33
32
30
31
21
23
22
100K
R361
100K
R362
29
38
37
36
36
37
38
49
71
62
4
7
QS
GND
AD RST
8
Q'S
FLD RST
SEL2
DIN
DIG RST
6
EMPHA
DINSEL1
5
DRIVE
CLK
3
DA
RST
STE
S IN
2
VCC
OE
1
13
10
9
1
1
12
14
15
16
3
0.01
C207
71
4
R376 100K
R377 100K
R378 100K
10
1K
R337
C223
0.1
1K
23
2
1K
R297
R352 1.8K
47K
R374
100K
100K
73
21
22
20
78
1
100K
R288
1
L3
L4
4
7
3Y
GND
2Y
8
3B
4Y
2A
2B
6
3A
1Y
5
4B
1B
3
4A
SEL
1A
2
VCC
ST
1
13
10
9
11
12
14
15
16
29
34
4
6
1
100P
C315
47K
R301
C316 0.01
C309 0.01
C306 0.01
47u10
C307
+
C308 1000P
SRAM
24
9
R295
R387
1K
R394
100
R391 100K
R393 100K
R386
1K
R357
100K
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
34
35
36
37
38
39
40
41
42
43
44
23
24
25
26
27
28
29
30
31
32
33
RND1
RND0
NT
DRON1
DRON0
VDD
NCON0
NCON1
NCON2
NCON3
VSS
IW1
IW0
IUD
IIS
IBF
VSS
RST
LRCK
DATA
BCK
MUTE
ICTH
VDD
CK
XO
VSS
VDD
MCK0
MCK1
MMOD0
MMOD1
OBF
OIS
OLRRL
OUD
FILN
VSS
LRCKO
DATAO
BCKO
DRVW
THRMN
VSS
10
R283
0.01
C221
K-CLK
K-DA
T
A
MCK
BCK
DA
T
A
LRCK
R287
1K
R209
0.01
C222
R236
330
R235
330
C229
1000P
R285
100K
R296
R457
R454
R456
100
14
77
5
43
79
1
47K
100
R455
X2 12.0MHz
10
R279
220
R284
330
R241
10
R290
33V
33V
33V
14
1
2
3
13
12
11
10
9
8
CIRCUIT
DUAL PORT RAM
32WORD x 8BIT
SIGNAL
PROTECTION
CHECKER
CRC
4
CPU
INTERFACE
&
SYNCHRONI-
ZATION
TIMING
6
5
7
R289
100K
47K
GND
TEST
VDD
100
91
26
MD-2070
DMF-9020
DMF-7020
DMF-7003
2.0 [V]
1.0-
L
H
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+B
+B
+B
+B
+5V
+5V
+B
+5V
+B
+B
+5V
+B
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
Q24
Q23
8BIT MEMORY
LATCH
u-COM
SUB
LATCH
MEMORY
8BIT
SRAM
SER PARA
D33
D24
Q22
Q21
CD TEXT
D25
SEL.
DIGITAL
u-COM
MAIN
SRAM
Q28
D.R.I.V.E
24BIT
A
MECHA
IC31
IC34
IC33
IC28
IC30
IC29
IC32
IC26
IC24
IC27
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued
protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input.
The measurement value may vary depending on the measuring instruments used or on the product.
DMF-9020(K)
INT
2P(
98.11.26
5:38
PM
y [ W
6
