Kenwood KTC-HR100 Service Manual page 14

Hd radio tuner
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K
KTC-HR100
R5
10K
R12
5.1K
OPE AMP
OPE AMP
IC4
IC3
R28
5.1K
R32
10K
OPE AMP
IC8
R59
6.8K
A1
24
23
C115
0.1
C108
C116
0.1
20
IFAGCOUT
0.1
Q29
AMPLIFIER
19
AM/FMLEVEL
19
18
AFHOLD
18
R215 4.7K
17
SCL
17
R216 4.7K
16
SDA
16
15
R169 4.7K
BUSENABLE
R171 3.3K
14
ADDRSEL
13
RESERVED
RTER
12
GND6
11
GND5
10
GND4
9
VDD
8
GND3
7
VCC
6
GND2
5
NC
4
AGCBUF
3
GND1
PROM
L22
L21
6.8uH
3.3uH
4
0V
2
AMIN
R206
R205
560
10K
3
0V
2
0V
1
FMIN
1
0V
21
22
P4
14
X14-9310-10 (3/3)
L
R6
IC2
6.2K
ANALOG SW
IC2
R31
6.2K
C9
R7
10u16
330
+
OPE AMP
IC7
C28
R23
10u16
330
+
Q20
INVERTER
47K
62
47K
Q33
47K
SW
47K
Q22
R162
C109
Q22
330
0.01
Q23
AMPLIFIER
L5
R165
C110
Q23
100uH
390
0.1
L6
Q24
AMPLIFIER
R163
10.700MHz
C111
Q24
L7
330
CF3
0.01
450kHz
CF1
R164
C112
Q25
2K
0.1
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
M
C118
1u50
+
C14
330P
C20
R18
R17
150P
39K
10K
IC5
OPE
AMP
4.5V
4.5V
C42
R40
R39
150P
39K
10K
C48
330P
C119
1u50
+
SW
Q6
22K
22K
Q7
22K
22K
SW
Q21
INVERTER
SW
Q26
R128
AMPLIFIER
10
C94
0.01
Q18
AMPLIFIER
R129
10
C95
Q18
0.1
R118
C89
100
0.1
R130
10
C96
Q19
0.01
C92
W1
0.1
Q19
AMPLIFIER
R131
10
Q25
C97
AMPLIFIER
0.1
L12
KTC-HR100 (1/2)
N
P2
CN3
10
9
GND
X32-
GND
CN2
L10
8
7
1.5V
L9
1/2
2.5V
L11
A
6
5
3.3V
59
DSP IO8
4
4
3
BLEND
3
SDA
60
2
1
RESET
1
SDL
IC1
: BA00ASFP
IC2
: TC4066BF(N)
IC3-5,7,8 : NJM4580M1
IC6
: FA7703V
IC9
: PQ015YZ01ZP
IC11
: 70F3030BYGC1RQ
IC12
: TA78L05F
IC13
: S-80837CNNB
IC14
: TA48M05F
IC15
: BR24C01AF-W
IC16
: TC7W32FU
IC17
: BA00AST
IC18
: NJM2125F
Q1,4
: DTC323TU
Q2,12,27,28,35-39 : 2SK3018
Q3
: 2SJ377
Q5,17
: DTA144EUA
Q6,20,21
: DTA124EUA
Q7,10,11,16
: DTC124EUA
Q8
: HAT1016R
Q14,26,33
: DTC144EUA
Q18,19,22-25,29
: 2SC4081
D1,28
: 1SR154-400
D2,4,6,11,17,20,21,26,27,29,30
: MA3062WA
D3,5,18,19 : DA204U
D7,10,13,37 : DAP202U
D8,38
: SB05-05CP
D9,25,34,35 : DAN202U
D14,22,23
: MA3056-M
D15,16
: RB160L-40
D31
: SBE803
D32
: IMSA-6801
SIGNAL LINE
GND LINE
B LINE
CN4
7724 GND
X32-
CN1
10 9
AUDIO L
3.3V
1/2
L8
8 7
AUDIO R
GND
B
6 5
AUDIO GND
AF HOLD
18
4 3
IF OUT2
LEVEL
19
2 1
IF OUT1
CAUTION : For continued
safety, replace safety criti-
cal components only with
manufacturer's recom-
mended parts (refer to parts
list).
Indicates safety critical
components. To reduce the
risk of electric shock, leak-
J5
age-current or resistance
ANT
measurements shall be car-
ried out (exposed parts are
acceptably insulated from
the supply circuit) before the
appliance is returned to the
customer.
O
1
2
3
4
5
6
7

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