KENWOOD KTCWB100 Service Manual

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Service Manual for KENWOOD KTCWB100, downloadable as a PDF file.

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Sample pages

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© 2000-3 PRINTED IN JAPAN
B51-7601-00 (N) 1486
WEATHER BAND TUNER
KTC-WB100
SERVICE MANUAL
Band
(J61-0609-08)
Center unit
KTC-WB100
Disc changer control input
Antenna output
Antenna input
Antenna
Cord with plug (ANT)
(E30-4824-05)
Cord with plug (13P DIN)
(E30-4823-05)
C0NNECTION
SPECIFICATIONS
Tuner section
Frequency Range......................................................................................162.400 MHz-162.550 MHz
Usable Sensitivity ......................................................................................................................0 dBµV
Signal to Noise ratio(40 dBµV) ....................................................................................................50 dB
General
Size (WxHxD) ...........................................................................................................99 x 22 x 104 mm
3-7/8 x 7/8 x 4-1/8 in.
Weight. .....................................................................................................................0.62 Lbs (0.28 kg)
background image
© 2000-3 PRINTED IN JAPAN
B51-7601-00 (N) 1486
WEATHER BAND TUNER
KTC-WB100
SERVICE MANUAL
Band
(J61-0609-08)
Center unit
KTC-WB100
Disc changer control input
Antenna output
Antenna input
Antenna
Cord with plug (ANT)
(E30-4824-05)
Cord with plug (13P DIN)
(E30-4823-05)
C0NNECTION
SPECIFICATIONS
Tuner section
Frequency Range......................................................................................162.400 MHz-162.550 MHz
Usable Sensitivity ......................................................................................................................0 dBµV
Signal to Noise ratio(40 dBµV) ....................................................................................................50 dB
General
Size (WxHxD) ...........................................................................................................99 x 22 x 104 mm
3-7/8 x 7/8 x 4-1/8 in.
Weight. .....................................................................................................................0.62 Lbs (0.28 kg)
background image
2
A
B
C
D
E
1
2
3
4
5
6
7
PC BORD (COMPONENT SIDE VIEW)
Refer to the schematic diagram for the values of resistors and capacitors.
J116
C107
R127
R122
C27
C26
C25
R19
C31
C105
C106
R124
R17
C24
R123
C110
R125
R128
R126
1
10
20
11
R143
R107
J102
R121
J103
R120
C6
R140
R129
R109
R116
R119
R142
R141
R117
C101
C108
E
EB
EB
EB
EB
R104
R105
R106
R108
R112
J111
J104
R113
R111
R110
R118
C104
1
42
BE
B
EB
J8
J7
R130
J6
J105
J106
J5
R21
C28
R18
C29
C21
C20
R28
R30
R23
R13
R5
R24
C44
R20
C112
J9
SD
G
1
20
11
4
2
3
R16
R26
C45
C23
C22
C34
C111
1
10
C43
R25
R11
R12
C19
C10
C12
C5
J1
C8
C17
C16
C32
C14
C15
R8
R7
R9
R10
C35
C33
C18
C37
C36
J3
J2
BE
1
5
10
6
L102
C13
EB
R101
R102
R132
R136
R114
L103
C102
C103
J113
J119
R139
R131
R115
J4
J115
B
21
4
1
1
8
3
2
22
E
BE
EB
EB
R103
R135
R133
R137
J114
R134
R138
SP101
4
5
R4
R3
R2
C7
C3
C2
C9
R1
R6
C11
C39
C4
G
G
S
D
IC103
IC2
IC102
IC101
IC104
IC1
D1
D109
D110
D108
D107
D112
D111
D105
D106
D104
D103
D102
D101
Q6
Q2
Q110
Q111
Q114
Q102
Q3
Q103
Q101
Q104
Q113
Q112
Q109
Q105
Q4
Q1
WASHER3
DET
CF2
OSC1
OSC2
IFT1
X1
RF
C41
C211
C40
C212
C201
E
B
E
B
EB
TP
1
3
1
2
1
2
12
1
8
X102
L101
C214
C205
C204
C213
C203
C202
X101
C42
ANT
C207
C206
C208
C209
C210
WASHER2
WASHER1
TC213
CN102
CN103
CN101
Q108
CN105
CN104
Q107
Q106
IC
Q
address
1
4B
2
3B
101
3D
102
2B
103
5D
104
4E
1
5B
2
3B
3
4B
4
3C
6
3C
101
2D
102
3D
103
2D
104
2D
105
2D
106
2C
108
2C
109
4E
110
4E
111
3E
112
3D
background image
3
F
G
H
I
J
1
2
3
4
5
6
7
PC BORD (FOIL SIDE VIEW)
Refer to the schematic diagram for the values of resistors and capacitors.
IC
Q
address
1
4I
2
3I
101
3G
102
2I
103
5H
104
4F
1
5I
2
3I
3
4J
4
3I
6
3I
101
2G
102
3G
103
2G
104
2G
105
2G
106
2G
108
2H
109
4F
110
4F
111
3F
112
3G
J116
C107
R127
R122
C27
C26
C25
R19
C31
C105
C106
R124
R17
C24
R123
C110
R125
R128
R126
1
10
20
11
R143
R107
J102
R121
J103
R120
C6
R140
R129
R109
R116
R119
R142
R141
R117
C101
C108
E
E
B
E
B
E
B
EB
R104
R105
R106
R108
R112
J111
J104
R113
R111
R110
R118
C104
142
B
E
B
EB
J8
J7
R130
J6
J105
J106
J5
R21
C28
R18
C29
C21
C20
R28
R30
R23
R13
R5
R24
C44
R20
C112
J9
S
D
G
1
20
11
4
23
R16
R26
C45
C23
C22
C34
C111
1
10
C43
R25
R11
R12
C19
C10
C12
C5
J1
C8
C17
C16
C32
C14
C15
R8
R7
R9
R10
C35
C33
C18
C37
C36
J3
J2
B
E
15
10
6
L102
C13
E
B
R101
R102
R132
R136
R114
L103
C102
C103
J113
J119
R139
R131
R115
J4
J115
B
21
41
18
32
22
E
BE
EB
EB
R103
R135
R133
R137
J114
R134
R138
SP101
45
R4
R3
R2
C7
C3
C2
C9
R1
R6
C11
C39
C4
G
G
S
D
IC103
IC2
IC102
IC101
IC104
IC1
D1
D109
D110
D108
D107
D112
D111
D105
D106
D104
D103
D102
D101
Q6
Q2
Q110
Q111
Q114
Q102
Q3
Q103
Q101
Q104
Q113
Q112
Q109
Q105
Q4
Q1
WASHER3
DET
CF2
OSC1
OSC2
IFT1
X1
RF
C41
C211
C40
C212
C201
E
B
E
B
E
B
TP
1
3
1
2
1
2
12
1
8
X102
L101
C214
C205
C204
C213
C203
C202
X101
C42
ANT
C207
C206
C208
C209
C210
WASHER2
WASHER1
TC213
CN102
CN103
CN101
Q108
CN105
CN104
Q107
Q106
background image
A
B
C
D
E
1
2
3
4
5
6
7
8.3V
4.7V
4.7V
0V
5.1V
0V
14.4V
13.7V
5.7V
5.1V
14.4V
8.6V
13.7V
9.2V
5.1V
0V
4.7V
1
3
2
L ch OUT
R ch OUT
S-GND
1
2
3
4
5
6
7
8
REQ H
CH-CON
REQ C
CH CLK
DATA C
DATA H
CH-MUTE
CH-RESET
2
1
BU+B
D-GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
VCC
VREF
AVSS
P44/INT3
P43INT2
P42/INT1
P41/INT0
P40
P27
P26/SCLK
P25/TXD
P24/RXD
P23
P22
CNVSS
P21/XCIN
P20/XCO
RESET
XIN
XOUT
VSS
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
P34/AN4
P33/AN3
P32/AN2
P31/AN1
P30/AN0
1
2
3
4
5
6
7
8
9
10
XIN
CE
DI
CL
DO
B01
B02
B03
B04
LCTR
20
19
18
17
16
15
14
13
12
11
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
IO2
HCTR
R107
R108
R106
R105
R104
R103
R102
R101
100K
R109
R141
22K
47K
R110
R111
100K
100K
R112
R113
100K
R114
100K
47K
R115
0.1
C103
0.1
C102
4
3
2
1
TP
X101
X102
7.2MHz
15P
C105
C106
15P
1K
R122
R123
1K
R124
1K
1000P
C107
1K
R125
5.6K
R126
0.22
C201
4.7K
R127
1K
R128
1K
R129
22u16
C214
+
10K
R132
10u16
+
C207
27K
R134
10u16
C208
+
680
R136
39K
R135
22K
R133
100
R138
10u16
+
C210
22K
R137
10u16
+
C209
4
3
2
1
7
5
8
6
22u16
C206
+
220u16
C213
+
2200P
C108
10u16
C202
+
18K
R116
100u16
C203
+
22
R140
47K
R118
0.1
C101
18K
R117
10u16
C204
+
4.7K
R119
330K
R142
0
R121
220F16
C211
+
100u16
C205
+
4.7
R143
100
22K
100
100
100
100
10K
10K
22
R131
5
4
42
0.01
C104
0.01
C110
TP
8.38MHz
CN103
CN104
CN105
D106
Q111
D105
D104
D103
D102
Q109
Q110
Q112
IC103
D111
D112
IC103(1/2)
D107
Q106
Q101
D109
D108
D110
Q105
Q108
Q104
Q103
DIGITAL
+5V
Q102
RESET
IC
(2/2)
IC101
IC102
IC104
22k
22k
22k
22k
22k
22k
22k
22k
47k
47k
4.7k
4.7k
DTA143EK
DTC124EK
2SC2412K
2SC2620
2SC3130
2SB1443
DTA144EKA
NJM4565M
DA204K
2SJ106
TK10487M
background image
F
G
H
I
J
B LINE
7.5V
7.5V
0V
5.8V
5.8V
0V
8.2V
0V
2
1
1
2
0.1uH
L103
47nH
L102
C14
0.01
C12
C43
220
2.2
R8
470
R7
0.022
C37
G1
G2
0.01
22u16
100K
R2
C4
24P
ANT
C2
3P
R1
7P
C39
0.01
C11
100K
10P
C3
C42
C5
+
S
C7
220
R3
2P
0.01
C8
O22
R4
IFT1
RF
C13
8.2K
R11
2.2K
56P
R12
10u16
R23
2.2K
1K
R24
C40
+
680
R26
30.355MHz
X1
R10
4.7K
C32
120P
20
9
3
47K
5
4
7
6
8
C20
0.01
1.5K
47K
10P
C18
22P
0.01
C35
22u16
68P
C36
1
7P
2
C10
C41
390
R13
10
0.01
0.01
+
0.01
C24
19
18
17
16
C21
1
2
3
4
R18
8200P
C29
14
15
47K
0.015
C28
82K
R21
13
5
6
7
8
9
C31
0.066
2M
C17
22P
R9
10P
C33
OSC1
150
R25
C15
0.01
C16
OSC2
C44
10K
11
R30
R20
10K
100K
12
R19
1
10
390
100K
CF2
R26
C23
C45
120P
120P
C34
100P
TC213
C111
2P
0
L101
2.2uH
0.01
R5
0.1u50
+
C6
C212
C25
0.22
0.22
C26
180P
27K
R16
R17
C27
DET
5
4
7
7
0.01
C9
430P
C19
0.01
C112
4.7
R130
SP101
SP101
100K
R6
C22
20P
42
CN102
CN101
ANT
OUT
ANT
IN
Q3
Q1
Q4
D1
Q2
Q6
PROTECTOR
SURGE-
GND LINE
SIGNAL LINE
IC1
: LA1178M
IC2
: TK10487M
IC101 : M38504M6-210FP
IC102 : LC72135M
IC103 : NJM4565M
IC104 : S-8083ANNP-ED2
Q1
: 3SK264(5)
Q2
: 2SC3130
Q3
: 2SC2620(B)
Q4
: RU201
Q6
: 2SJ106(Y)
Q101,105,111
: 2SC2412K(R)
Q102,103,109
: DTC124EK
Q104
: DTA124EK
Q106,108
: 2SB1443
Q110
: DTA144EKA
Q112
: DTA143EK
D1
: SVC220
D102-108,111,112 : MA8056-M
D109
: DA204K
D110
: MA8091-M
IC1
IC2
CAUTION : For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
Indicates safety critical components. 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.
· DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due
to variations between individual instruments or/and units.
!
KTC-WB100

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