Kenwood KRC-508S, Руководство по обслуживанию

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U V X Z AB AD W Y AA AC
2
1
3
5
7
4
6
B LINE
10.7V
0V
5.1V
0V
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.
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/S57 KS1/S56
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
KEY/REMO NC NC 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
DO
CE
CL
DI
13
12
11
10
9
8
7
6
5
4
3
2
1
ILL+B
ILL GND
PNL5V
D GND
DATA S
DATA L
CE
INH
CLK
REMO
PNL DET
GND
RST
360
R915
360
R916
R917
360
R919
360
R918
360
1K
R920
1K
R921
R922
R923
1K
1K
C908 0.1
R914
270
C907
0.1
KS4 KS5 KS6
KI1
KI2
KI3
KI4
R905 100
R904 100
R903 1K
R902 1K
R901 100
R900 100
76
1
79
77
78
80
S36
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
S26
S27
S28
S29
S30
S31
S32
S33
S34
KS6 KS5 KS4 KS3
COM3 COM2
COM1
S40
S42
S43 S45 S46 S48 S49 S50
S51 S52
S53 S54 S55 S56 S57
RN901
1K
S38 S35
1K
RN900
KI5
KI4
KI3
KI2
KI1
R913 1K
OUT
2
GND1
1
VCC
GND2
3 4
80
79
78
C904 0.047
C903 0.047
10
R909
C905 10
C902 820P
R910 68K
R911 47K
77
76
100
R906
10
C900
1
KI5
R912 1K
SEG19
S50
S19
COM3
COM1
COM2
COM1 COM2A COM3A NC
68 69 66 67
SEG35 SEG38 NC NC
64 65 62 63
SEG40 SEG42 SEG39-1 NC
60
61
58 59
SEG43 SEG45 SEG68-2 NC
56 57 54 55
SEG46 SEG48 SEG49 SEG50
52 53 50
51
SEG3
SEG36
SEG1
SEG2
1 2 3 4
COM3A COM2A COM1 NC
68 69 66 67
S49 S48 S46 S45 S43 S42 S40 S38 S35
SEG1
1
SEG7 SEG5 SEG4 SEG6
SEG10
SEG9 SEG8
5 6 7 8 9 10 11 12
SEG15 SEG14 SEG13
SEG12
SEG16 SEG17 SEG18
13 14 15 16 17 18 19 20
SEG39-1 SEG38 NC SEG35 NC
64 65
62
63
SEG42 NC SEG40
60
61
58 59
SEG58-2 SEG45 NC SEG43
56 57 54 55
SEG50 SEG49 SEG48 SEG46
52
53 50
51
S3
SEG36
SEG3 SEG2
SEG1
2 1 4 3
S36
S1 S2
20 19 18 17 16 15 14 13 12 11 10
SEG7 SEG6 SEG5 SEG4
6 5 8 7
SEG1
1
SEG10
SEG9 SEG8
9
SEG15 SEG14 SEG13 SEG12 SEG19 SEG18 SEG17 SEG16
S1
1
S7 S5 S4 S6
S10
S9 S8
S15
S14
S13 S12 S18
S17
S16
42
SEG54 SEG52 SEG51 SEG53
49 48 47 46
SEG55 SEG56 SEG57 SEG58-1
44 45 43 38
COM2A COM1 NC NC
40
41
39
SEG39-2 COM3A
36 37
S57 S56 S55 S54 S53 S52
28
SEG22
SEG21
SEG20 SEG24 SEG23 SEG25 SEG26
22 21 24 23
S51
26 25 27
SEG30 SEG29 SEG27 SEG28
SEG32
SEG31
SEG33 SEG34
32 30 29 31 34 33 35
42
SEG58-1 SEG54 SEG53 SEG52 SEG51
48 49 46 47
SEG57 SEG56 SEG55
44 45 43
SEG39-2 COM3A COM2A
38
COM1 NC NC
40
41
39 36 37
35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
SEG23 SEG22
SEG21
SEG20 SEG27 SEG26 SEG25 SEG24
SEG31
SEG30 SEG29 SEG28 SEG34 SEG33 SEG32
S22 S20 S21 S26 S25
S24
S23 S30 S29 S28
S27 S34
S33 S32 S31
KS3
IC900
IC901
A
LCD900
KRC-688/508S (2/2)
CONTROL UNIT
CN900
D904 D903 D902
D907 D906 D905
D913 D912 D911
D918 D917
D916 D915 D914
D910 D909 D908
D919
D900 D901
S900 S901
FM
S907 S908
S914
AM
S915
S921 S920
AUD
S925
DISP
S927
S917 S916
S922
EJECT
AUTO
S909
SRC
S910
PROG
S902 S903
S926
VOL+
S905
S912
VOL-
ATT
5
6
S923
S918
S928
S911
S904
S919
S924
4
1
2
S913
S906
3
S929
RST
Q900
Q903
1/2
MAIN
-CN3
GND LINE
IC900 : LC75883E
IC901 : RS-171
Q900,903 : DTA124EUA
COMMON
SEGMENT
LCD DRIVER
REMOTE
SENSOR
CONTROL
LOUD
LOUD
ST
ATT
ATT
ST
2 1 AUTO
TI IN
TI
AUTO 1
2
IN
22K
22K
22K
22K
disc
disc
ch
ch
DAB
PTY MTL NEWS
B NR
P/S
DAB
PTY NEWS
B NR
P/S
MTL
KRC-508S/688
2SB1565 DTA144EUA
DTC114YUA
DTC343TK 2SA1576A 2SC4081
DTA124EUA
DTC114EUA
DTC124EUA DTC144EUA
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