Kenwood KRC-509S, Service Manual

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U V X Z AB AD W Y AA AC
2
1
3
5
7
4
6
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.
KRC-509S/689
2
3
4
5
6
7
8
9
10
11
12
13
ILL+B
ILLUM G
L CLK
L CE
RESET
L DATAS
L DATAL
DIMMER
NC
REMO
NC
D GND
330
R17
510
R22
R23
510
330 0.01
KS3 KS4 KS2
KS1
KI1
KI2
KI3
KI4
1K
1K
CP2
KI1
KI4
KI3
KI2
4.7
R11
KI5
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
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
27
26
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
KS5 KS4 KS3 KS2
KS1
COM1
COM2
COM3 COM4 COM5 COM6 COM7 COM8 COM9
COM10
S60 S59 S58 S57 S56 S55 S54 S53 S52
S51
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S1
1
S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25
KI5
REMO
RED
GREEN
KEY
VDD
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VSS
TEST
OSC
INH
DO
CE
CL
DI
S4 S3 S2
S1
S10
S8 S7 S6 S5 S9
S15 S14 S13
S12 S1
1
S20 S19 S18 S17 S16
S21 S22
S23
S38
S34
S32
S31
S33
S36
S35
S37
S46
S42
S40
S39
S41
S44
S43
S45
S47
S50
S30
S29
S60 S59 S58 S57 S56 S55 S54 S53 S52
S51
C4
C1
C8 C2 C3 C7 C5 C6
KS1
KS4 KS2 KS3
CP3
1K
C11 0.01
R5
C4 0.1
C3 0.1
R4
C2 0.1
R3
C5 0.1
100
R9
2.2
C7
S49
S48
S25 S24
S50
S46
S47
S48
S49
28
29
30
31
32
S28
S27
S26
79
KI3
78
KI2
KI4
80
KI1
77
KS6
76
KI5
R13
1K
S.GND 1
14 VDD
15 S.GND
R10
CP1
470
22K
97
98
99
100
97
98
99
100
C1 680P
R1 43K
GND2
VCC
4
3
GND1
OUT
1
2
R18
330
R19
330
R20
330
R21
330
0.01
1.2K
1.2K
R24 C10 C9
R25
R26
1K R6
2.2K
2.2K
2.2K
R2
2.2K
C6 2.2
R7 22K
750
R12
R8
SEG17
35
C1 C5 C4 C2 C3 C7 C8 C6
S1
SEG1
19 27
SSEG9
SEG5 SEG3 SEG4 SEG2
21 20 22 23
SEG8 SEG7 SEG6
24 25 26
S5 S3 S2 S4 S6 S8 S7
31
SEG13 SEG12
SEG1
1
SEG10
29 28 30
SEG14 SEG15 SEG16
33 32 34
S9
S10
S1
1
S12 S14 S13 S15 S16
COM1 SEG52
S60 S56 S57 S59 S58 S53 S54 S55
COM3 COM2 COM4 COM5 COM6 COM7 COM8 SEG60 SEG58 SEG59 SEG57 SEG56 SEG54 SEG55 SEG53
S51 S52
SEG51
S32
43
SEG25
39
SEG21
SEG20 SEG19 SEG18
37 36 38
SEG22 SEG23 SEG24
41 40 42
S17 S18 S20 S19
S21
S22 S23 S24
SEG26 SEG27 SEG28
45 44 46
SEG32
SEG31
SEG30 SEG29
47 48 50 49
S28 S26 S25 S27 S30 S29
S31
S40
SEG36 SEG35 SEG33 SEG34
51 52 53 54
SEG38 SEG39 SEG40 SEG37
56 55 57 58
S36 S34 S33 S35 S38 S37 S39
SEG42 SEG43 SEG44
SEG41
59 60 62 61
SEG48 SEG47 SEG46 SEG45
63 64 65 66
S44 S42
S41
S43 S46 S45 S47
SEG50 SEG49
68 67
S49 S48 S50
5 9
10
7 8 6 3 4 2
1
17 18 15 16 13 14 12
11
Q6
Q5
VDD
+B
+B
VDD
+B
+B +B
+B
+B
A
IC1
IC2
KRC-509S/689 (K/M) (2/2)
SWITCH UNIT (X13-9960-13)
ED1
J1
D7 D6 D5
D10 D9 D8
D16 D15 D14
D19 D18 D17
D13 D12 D11
D23
D3 D4
VOL-
ATT
4
6 TI
5
2
1 SRC
AM
FM
EJECT
dB
DISP
1/2
X16-
J1
IC1 : LC75808W
IC2 : RS-171
Q1,6 : DTA114EUA
D2
DIMMER SW
Q1
Q5
Q6
2SC2412K Q5 :
B30-1571-05 D2-4 :
MA3091-M D1 :
LCD DRIVER
REMOTE
SENSOR
RST
D22
Q7
VOL+
3
CLK
DTC143ZK Q7 :
B30-1533-05 D5-23 :
GND LINE
D1
POWER
SW
KEY DETECTION
D21 D20
LCD REFERENCE
VOLTAGE SUPPLY
REMOTE IC
SUPPLY
B LINE
10K
10K
10K
10K
47K
47K
10.7V
0V
5.0V 0V
0V
0V
5V
5.0V
8.5V
6.8V
5.1V
3.4V
1.7V
0V
5.0V
0V
0V
5.0V
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