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U
V
SWITCH UNIT (X13-xxxx-xx)
Q Q
3 7 6 3 1 5 1 5 0
1
ED1
2
J1
0V
S.GND 1
10.7V
ILL+B
2
+B
ILLUM G
3
0V
CP1
470
L CLK
4
L CE
5
RESET
6
L DATAS
7
X16-
J1
L DATAL
8
3
RST
1/2
DIMMER
9
A
R10
NC
10
1K
1
4
REMO
11
OUT
GND2
0V
2
3
GND1
VCC
IC2
T E
L
1 3 9 4 2 2 9 6 5 1 3
NC
12
REMOTE
SENSOR
4
0V
10K
D GND
13
VDD
14
VDD
5.0V
Q6
REMOTE IC
POWER
SUPPLY
0V
S.GND
15
IC1
: LC75808W
5
IC2
: RS-171
Q1,6
: DTA114EUA
Q3,4
: 2SD2114K
Q5
:
2SC2412K
Q7
:
DTC143ZK
D1
:
MA3091-M
D2-4
:
B30-1571-05
D5-23 :
B30-1605-05
6
GND LINE
+B
B LINE
w w w
DAP202K
02CZ3.6-Z
TC74HC02AF
7
W
X
Q5
LCD REFERENCE
VOLTAGE SUPPLY
+B
R12
750
100
99
Q5
KEY DETECTION
SW
98
D1
Q1
97
C5 0.1
CP2
9
76
1K
KS6
77
KI1
KI1
78
KI2
KI2
C7
79
2.2
KI3
KI3
80
KI4
KI4
5.0V
R13
81
Q6
KI5
KI5
1K
10K
82
REMO
83
83
RED
84
84
GREEN
85
KEY
R11
86
VDD
VDD
5.0V
4.7
87
+B
VLCD
8.5V
88
VLCD0
6.8V
C6 2.2
C4 0.1
89
VLCD1
5.1V
C3 0.1
90
VLCD2
3.4V
C2 0.1
91
VLCD3
1.7V
0V
92
VLCD4
93
VSS
94
C1 680P
TEST
R1 43K
95
OSC
5.0V
96
INH
97
97
DO
98
98
CE
R7 22K
99
99
CL
100
100
DI
MODEL NAME
UNIT No.
KRC-579RY
X13-9960-12
KRC-579R
X13-9992-72
x
a o
TDA7479D
.
i
Y
Z
CP3
1K
Q
Q
3
7
5V
0V
IC1
LCD DRIVER
u 1 6 3
y
CAUTION: For continued safety, replace safety critical components only with manufacturer's rec-
ommended parts (refer to parts list).
indicates safety critical components. For continued protec-
tion 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.
AA
AB
2
4
8
9
9
Q3,4
KEY ILLUMINATION
SW
D7
RED
Q3
R15
83
D10
10K
GRN
+B
D13
Q4
R16
84
10K
D16
DIMMER SW
Q7
47K
D19
47K
D4
D3
50
S50
S50
R24
C10
C9
49
330
0.01
0.01
S49
S49
6
3
48
1
5
1
5
0
8
9
S48
S48
R25
D2
47
1.2K
S47
S47
46
R26
S46
S46
1.2K
C11 0.01
45
S45
S45
44
S44
S44
43
S43
S43
42
S42
S42
41
KI1
S41
S41
40
VOL+
1
S40
S40
39
S39
S39
38
S38
S38
37
S37
S37
KI2
36
S36
S36
VOL-
2
35
S35
S35
34
S34
S34
33
S33
S33
32
KI3
S32
S32
31
3
S31
S31
ATT
30
S30
S30
29
S29
S29
28
S28
S28
KI4
27
S27
S27
4
5
26
S26
S26
KI5
6
TI
m
c o
.
KRC-579R/RY
AC
AD
2
8
9
9
+B
R17
D6
D5
330
R18
D9
D8
330
R19
D12
D11
330
R20
D15
D14
330
R21
D18
D17
330
R22
D21
D20
510
R23
D22
D23
510
2
4
9
8
2
9
9
+B
SRC
DISP
AM
dB
FM
EJECT
CLK
KRC-579R/RY (E) (2/2)
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