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Kenwood KTC-WB100 Service Manual page 5

Weather band tuners

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3 7 63 1515 0
TE
L 13942296513
SP101
SURGE-
PROTECTOR
L102
47nH
SP101
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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.
G
OSC2
OSC1
7.5V
X1
C17
30.355MHz
22P
7.5V
Q2
Q3
R23
R26
2.2K
680
R130
4.7
R6
100K
R4
Q1
C2
C3
G2
O
22
3P
10P
G1
S
IC1
IC2
ANT
ANT
IC101 : M38504M6-210FP
IN
OUT
IC102 : LC72135M
L103
IC103 : NJM4565M
CN102
CN101
0.1uH
IC104 : S-8083ANNP-ED2
1
1
2
2
x
ao
y
i
H
8
DET
IC2
5.8V
C16
0.01
R30
R18
100K
47K
C44
R20
C29
Q6
C15
1
10K
8200P
0.01
Q Q
3
6 7
1 3
RF
C10
7P
IFT1
R7
C37
470
0.022
: LA1178M
Q1
: TK10487M
Q2
Q3
Q4
Q6
Q101,105,111 : 2SC2412K(R)
Q102,103,109 : DTC124EK
Q104
Q106,108
SIGNAL LINE
Q110
GND LINE
Q112
B LINE
u163
.
I
2 9
9 4
2 8
D1
L101
C112
2.2uH
0.01
TC213
C111
CF2
2P
Q4
C45
C34
120P
120P
C21
10P
0V
5.8V
0V
C24
0.01
C41
C19
22u16
430P
+
1 5
0 5
8
2 9
9 4
IC1
1
2
8.2V
10
9
8
7
3
0V
6
4
5
: 3SK264(5)
D1
: 2SC3130
D102-108,111,112 : MA8056-M
: 2SC2620(B)
D109
: RU201
D110
: 2SJ106(Y)
: DTA124EK
: 2SB1443
: DTA144EKA
: DTA143EK
m
co
KTC-WB100
J
9 9
C20
0.01
5
2 8
9 9
: SVC220
: DA204K
: MA8091-M

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