AE
AF
AG
AH
AI
AJ
AK
AL
AM
AN
1
2
3
4
5
6
7
DPX-4020
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
MC CLK
MC D
A
T
A
SC D
A
T
A
MMOD
X0
X1
VSS
OSC1
OSC2
VDD
VREF+
NC
NC
ANA6
ANA5
ANA4
ANA3
ANA2
ANA1
VREF-
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
KR3
KR4
KR5
NC
KS0
KS1
KS2
KS3
NC
NC
NC
NC
NC
NC
NC
NC
VFD DATA
NC
VFD CLK
VFD LAT
RST
VFD BK
NC
PON
NC
SC REQ
MC REQ
SC CON
REMOCON
KR0
KR1
KR2
9
8
7
6
5
4
3
2
1
GND
BIAS-C
RST
-C
REC IN
REC NF
LINE IN
LINE NF
R01
R02
10
11
12
13
14
15
16
17
18
VCC
REC LEVEL
F06
F05
F04
F03
F02
F01
RESET
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
F1
F1
F1
VDD2B
GNDB
GNDB
CLKB
BKB
LA
TB
SOB
VDD1B
SIB
F2
F2
F2
1K
CP9
1K
CP8
64
62
63
R27 240K
R26 220K
100P
C5
220K
R25
10P
C8
47K
R24
100K
R29
10P
C13
10P
C12
10u16
C11
+
R28
2.7K
2.2
C6
100K
R23
C7 1
R22 47K
2.2
R21
22u16
C9
+
0.01
C10
16MHz
X1
CP7
1K
C14
0.1
R11
22K
1K
CP6
R12 1K
CP4
1K
100K
CP3
1K
CP2
CP1
100K
1K
R14
1K
R15
1K
R16
1K
R17
24
4.7uH
L1
22K
R20
27
R18
C3
0.015
C4
0.022
47K
R19
KR5
KR4
KS0
KS1
KS2
KS3
KR3
KR2
KR1
KR0
0.01
C17
C16
0.01
R2
1.2K
0.022
C2
22u16
C1
+
470
R3
1/2W
18
17 16 15 14 13 12
11
10
9
8
7
6
5
4
3
2
1
REQ
CON
KS2
KR0
FA
C
-
FA
C
+
FL 33.5V
FL GND
CON
REQ
CLK
D
ATA
D
ATA
RST
B
U 5V
GND
SPEANA
EDS
L2
100K
CP5
100K
R10
1K
R8
1K
R9
1K
R5
1K
R4
1K
R7
1K
R6
KR0
PN SC
PN MC
PN SC
PN MC
PN MC
PN SC
REMO
KR3
24
29
KR2
KR1
KR0
28
27
26
22
21
KR4
KR5
KS0
KS1
KS2
SK3
29
KR0
F1
F2
28
27
20
19
17
26
16
15
14
21
4
F1
19
15
16
14
22
4
F2
20
17
62
63
64
+33.5V
+33.5V
+33.5V
+33.5V
+33.5V
+B
+5V
+B
+5V
+5V
+5V
+5V
+5V
+B
+B
+B
+B
+B
+B
+B
+B
IC1
IC2
ED1
A
(X25-8970-00)
Q2
D9
D1
Q1
D2
D3
D4
D5
Q3
Q4
Q5
S.A
E.Q
S4
D6
2
S5
1
S2
FUN
S1
S6
S3
S13
3
FM+
S8
VOL+
S10
ATT
4
AM-
VOL-
S9
S11
S12
S14
5
MD EJ
S16
6
S18
SRC
S7
S19
D7
S20
DSP
D8
S17
D11
D10
S21
RESET
CN1
1/2
X14-/X16-
CN1
IC1
: MN101C10AAL
IC2
: BA3830F
Q1,5
: DTC114EUA
Q2
: 2SK3018
Q3
: UMC3N
Q4
: FMCA4
D1-5,9
: DAN202K
D6,7
: B30-1564-05
D8
: B30-1575-05
D10,11
: HZM5.6N(B2)
B LINE
PANEL u-COM
0V-4.2V
0V
5.0V
0V
16MHz
0V
5V
5V
0V
5V
0V
5V
0V
RST: 0V
5V
0V
ON : 5.0V
5V
0V
ACTIVE : 5.0V
0V
5V
0V
5V
1.5V
1.5V
2.5V
2.5V
2.5V
2.5V
0V
5.0V
0V-4.8V
0V-4.2V
10K
10K
10K
10K
(2/2)
CAUTION
: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. 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.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments
or/and units.
!
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299