U
V
X
Z
AB
AD
W
Y
AA
AC
2
1
3
5
7
4
6
B LINE
5V
0V
0V
5V
5.0V
3.0V
1.5V
0V
5V
0V
3.9V
0V
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.
TA
TI
ch NEWS
DISC
AUTO
AUTO
ch NEWS
TA
TI
DISC
PTY
B NR
T.CALL
MTL
MTL
T.CALL
PTY
B NR
LOUD
ST
ATT
MO
ST MO
ATT
LOUD
50
14
38
36
34
35
15
16
37
17
18
40
39
19
20
44
21
22
47
41
43
42
23
24
45
25
26
48
46
27
28
49
29
30
10
18
54
52
51
31
32
53
33
34
20
55
35
36
19
37
38
14
16
17
39
40
15
41
42
12
13
43
44
11
45
46
8
9
47
48
7
49
50
51
6
5
52
4
C2
COM1
53
COM2
54
C1
55
COM3
C3
1
2
23
24
6
4
3
5
7
8
21
22
25
27
26
28
10
9
11
13
12
30
29
31
32
33
7
3
1
2
4
5
6
8
9
11
10
12
13
14
15
16
18
17
19
20
22
21
23
24
25
26
28
27
COM3
COM1
COM2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
u-GND
ILL-GND
L-RES
PON5V
LED+B
LAMP+B
L-DATAS
L-CLK
L-CE
L-DATAL
PAN 5V
RST
REMO
PANEL SW
ESD-GND
64
63
62
61
60
59
58
57
56
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
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
KS6
KS5
KS4
KS3
KS2
KS1
COM3
COM2
COM1
S55
S54
S53
S52
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
GREEN
AMBER
KEY
S4
S5
S6
S7
S8
S9
S10
S1
1
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
KI1
KI2
KI3
KI4
KI5
VDD
VDD1
VDD2
VSS
TEST
OSC
RES
DATAL
CE
CL
DATAS
KI1
KI2
KI4
KI3
C3 0.047
C1 820P
C2 0.047
R7 68K
C4 0.01
R21 4.7
R8 1K
R9 47K
79
80
78
76
77
80
79
77
78
R2 1K
R6 100
R4 100
R5 470
R3 470
1
4
OUT
VCC
2
3
GND2
GND1
R23
R1 1K
76
C8 1
KS5
25
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
KS4
KS3
KS2
KS1
C3
C2
C1
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
R20
R19
47
PL2
PL1
R17
13
R18
0.1
C7
0.1
C9
27K
27K
C6
0.1
R16
360
470
R15
470
R14
470
R13
R12
330
R10
330
R1
1
330
KS1
KS2
KS3
KS4
KS5
KI1
KI2
KI3
KI4
29
30
32
31
33
34
35
36
38
37
39
40
41
42
43
44
46
45
47
50
48
49
51
54
52
53
55
IC2
ED1
(1/2)
ED1 (2/2)
IC1
IC2
SWITCH UNIT (X13-942x-xx)
A
KRC-478R/RV/RY/RYV (E/E/E/E) (2/2)
J1
Q1
Q3
Q2
D18
D19
D16
D17
D14
D15
D13
D12
D11
D10
D9
D7
D6
D4
D3
D1
2
1
CLK
ATT
3
FM
T1
4
5
6
VOL
VOL+
AM
AUD
SRC
D8
D5
D2
D18,19 : B30-1572-05
D17
: B30-1545-05
D1-16
: B30-1569-05
Q2,3
: 2SD2114K
Q1
: DTA114EK
IC2
: RS-171
IC1
: LC75883E
J3
X14-
1/2
KEY SCAN LCD DRIVER
ON
AMBER
LED
ON
LED
B
A
GREEN
START SW
KEY SCAN
SENSOR
REMOTE
GND LINE
10K
10K
(X13-942x-xx)
YES
YES
NO
A
2-77
2-78
MODEL NAME
2-74
2-76
2-75
2-73
UNIT No.
NO
270
NO
YES
13
NO
B
270
R17
YES
NO
R18
B38-1018-05
YES NO
270
NO
B38-1018-05
B38-1004-05
YES NO
270
NO
B38-1004-05
ED1
KRC-33R(E)
KRC-478RV(E)
KRC-478RYV(E)
KRC-478RY(E)
KRC-378R(E)
KRC-478R(E)
KRC-408R(M)
KRC-378RY(E)
B38-1004-05
NO YES
13
YES B38-1004-05
KRC-478R/RV/RY/RYV
