U
V
X
Z
AB
AD
W
Y
AA
AC
2
1
3
5
7
4
6
Q2
D1
D4
D7
D10
D18
D19
D3
D6
D9
D11
D12
D13
D8
D5
D2
D20
D21
J1
S27
RESET
Q1
Q3
Q4
D22
4
3
2
1
S19
S22
S20
S21
S17
S23
S6
S5
S24
S18
VOL+
VOL-
EQ
5
6
S10
S9
S25
S1
S2
S3
S4
SRC
DISP
S26
S13
S11
S14
S12
S7
S8
S16
S15
FM
AM
ATT
TI
B30-1571-05
:
D20-22
B30-1564-05
∗
DTA114EUA
RS-171
LC75883E
D18,19
D1-13
Q1,2
IC2
IC1
:
:
:
:
:
KEY ILLUMINATION
LCD
Q3,4
2SD2114K
:
A
1/2
X89-
J1
REMOTE
CONTROLLER
∗
A
B
C
D19
D18
∗
D9
∗
D3
∗
D6
∗
D12
∗
D13
∗
D1
1
∗
D8
∗
D2
∗
D5
∗
D10
∗
D7
∗
D1
∗
D4
KEY ILLUMINATION
∗
B
∗
C
BACKLIGHT
B LINE
GND LINE
(BOTTOM VIEW)
LCD DRIVER
KEY SCAN START
KEY RED ILLUMI SW
KEY
ILLUMI
GREEN
SW
10K
10K
10K
10K
5V
0V
1.7V
3.4V
5.0V
0V
5V
0V
3.9V
5.0V
10.5V
0V
0V
∗
ED1
IC1
KDC-5020R,5020Y/YV (M,E/E) (2/2)
SWITCH UNIT (X16-16xx-xx)
A
KDC-5021/5021V,506 (E/E,E) (2/2)
KDC-319/4019,5020 (K/K,M) (2/2)
C4 0.01
R8 56K
330
R13
330
R14
330
R15
510
R16
360
R18
360
R17
270
R20
C1 1000P
C2 0.047
C3 0.047
2.2
C5
100
R28
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
SEG52
SEG53
SEG54
SEG55
SEG56
COM1
COM2
COM3
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
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
30
RES
CE
DO
CLK
DI
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S9
S8
S7
S6
S5
S29
S38
S39
S40
S37
S30
S31
S32
S33
S34
S35
S36
S25
S26
S27
S28
S42
S41
S44
S45
S43
S47
S48
S49
S46
S53
S51
S52
S50
S55
S54
C1
C2
C3
S56
VCC
GND1
2
3
4
35
70
KS4
44
43
42
41
S39
S40
40
S41
S43
S42
S37
S38
S36
S35
37
39
38
36
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
S48
S45
S44
S47
S46
S50
S49
S52
S51
COM2
COM1
S55
S54
S53
COM3
KS2
S56
KS3
64
63
KI2
KS6
KS5
KI1
65
KI3
KI4
KI5
VDD
68
66
67
69
RED
21
26
S30
S34
S33
S32
S31
34
33
32
31
S29
S28
S27
S26
30
29
28
27
22
23
24
S25
25
S22
S23
S24
12
13
14
15
16
17
18
19
20
S17
S18
S19
S20
S21
S13
S14
S15
S16
10
11
7
S10
S12
S1
1
S8
S9
8
9
GREEN
S5
S6
S7
5
6
3
4
79
OSC
VDD1
VDD2
VSS
TEST
71
72
73
74
DO
RES
CE
CL
75
76
77
78
KEY
REMO ON
DI
1
2
80
RES
1K
R2
DO
CE
DI
CLK
470
CP3
L-DATAL
L-RES
REMO
11
12
9
10
N.C
4
D-GND
LED+B
6
N.C
7
8
L-CE
5
L-CLK
ILL-GND
ESD-GND
L-DATAS
3
1
2
R12 47K
R9 3.9K
R27 4.7
KI5
KI4
KI2
KI3
KI1
1
2
C1
1 0.01
C12 0.01
R25 10K
R26 10K
C13 0.01
C14 0.01
C15 0.01
R23 1.2K
R24 1.2K
S34
S35
S37
S36
S39
S38
S40
S41
S43
S42
S47
S46
S44
S45
S49
S48
S51
S50
S54
S53
S55
S52
C1
C2
S56
C3
S33
S32
S30
S31
S26
S27
S28
S29
S22
S23
S24
S25
S21
S20
S19
S18
S14
S15
S16
S17
S13
S12
S10
S1
1
S9
S8
S6
S7
S5
KI1
KI2
KI3
KI4
KI5
KS2
KS3
KS4
KS5
KS2
KS5
KS4
S53
2
1
4
3
3
4
KDC-5021 (E)
MODEL NAME
UNIT No.
X16-1672-70
X16-1630-10
D1-13,18,19
ED1
NO
YES
+5V
+5V
X16-1630-11
YES
KDC-5021V (E)
KDC-506 (E)
KDC-5020R (M)
KDC-5021Y (E)
KDC-5021YV (E)
KDC-319 (K)
KDC-4019 (K)
KDC-5020 (M)
X16-1672-71
NO
B38-1092-05
X16-1630-12
NO
B38-1091-05
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO
C12 0.01
C1
1 0.01
+10.5V
330
R15
330
330
R13
R14
360
R18
510
R17
360
R16
D5-19
D20-22
D1-13
B30-1605-05
B30-1533-05
B30-1605-05
B30-1605-05
B30-1605-05
B38-1091-05
B38-1091-05
B38-1092-05
+B
+10.5V
+10.5V
+10.5V
Q4
Q3
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.
KDC-5021/5021V,506
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
