Kenwood TK-2000, Service Manual

Page: 31 / 40

31
SCHEMATIC DIAGRAM
TK-2000
-t
R117
270
C111 0.01u
L206 100n
R 2 1 3
3 3 0
D203
BBY57-02V
L 1 1 1
9T
C 2 1 7
5 p
R206
680k
R 3 6 1
5 6 0
R 2 6 0
8 2 k
C225
5p
C109
22p
C211 0.033u
C123 10p
(C)
0.01u
C205
0.1u
R F M 0 1 U 7 P
Q 1 0 1
C249 27p
C 2 1 6
0 . 0 1 u
C 2 2 8
1 0 p
R108
100k
C110
1000p
C 1 2 7
1 0 0 0 p
R201
47
C 2 0 9
1 8 p
C121
39p
R2
26
1M
R216
47
L204 820n
KTC4080E-P
Q 2 0 2
R203
22k
L208
82n
C 1 1 2
5 6 p
L 1 0 6
5T
R 2 1 0
4 7 0 k
C D 2 0 0
L79-1914-05
C 1 3 5
6 p
(B)
C234 100p
R234 560k
R 2 3 0
82
C235
1000p
R264 390k
D202
BBY57-02V
R119
270
C213
0.1u
L 2 0 5
2 2 n
C238
R231
390
C 2 4 7
4 7 p
R 3 5 3
1 k
C215
47p
C 2 3 7
C114
1000p
C138
12p
R 2 1 4
6 8 0
D103
RN262CS
R111
68k
C122
47p
CN202
C248
1000p
D201
BBY57-02V
1M
L 1 1 0
9T
C218
0.01u
RD07MUS2BT214
Q 1 0 2
IC200 TA31136FNG
1
oSCIN
oSCoUT MIXoUT
V+
IFIN DEC
FILoUT
8
FILIN
9
AFoUT
QUAD IFoUT RSSI
SEDET
SEREC
GND
16
MIXIN
L2
09
68
n
C239
1000p
C129
1000p
C132
12p
R227
1M
C219
22p
2 7 0
L 2 0 3
2 . 7 n
C201
1000p
R232
390k
C334
0.18u
C230
5p
C116
0.01u
C236
1000p
R219
3.3k
C244 1000p
B F 5 0 2 0 W
Q 2 0 3
C227 0.01u
L207
82
n
C203
100p
C128
6p
(B)
C 2 1 4
0 . 0 1 u
R228
47
L 1 1 2
9T
L210
18n
R233
100k
R113
56k
R123
0.39
C 2 4 0
1 p (B)
3 9 0 p
C119
1000p
R109
47
R116
39k
R202
560
C 2 3 2
3 p
R221
82k
C243
1p
C124 1000p
R121
0.39
C159
1000p
C222
8p
C 2 5 0
4 7 p
C152
0.1u
R222
100k
C245
1000p
C117
2.2u
C220
1000p
L 1 0 7
5T
C120
1000p
R 2 1 2
1 8 0 k
C 1 3 1
1 0 0 0 p
C242
27p
C223
6p
(B)
C202 0.01u
R112
47
C341
3300p
R209
47
C 1 0 8
1 0 0 0 p
C231
22p
R122 0.39
R220
470
R106
100k
C210
0.1u
R224
120k
R208
100
L 1 0 5
3T
R218
1k
R223
82k
C 1 3 7
6 p
(B)
C136
27p
22p
X F 2 0 0
L71-0669-05
3 9 0 p
L104
9T
C F 2 0 0
L72-1046-05
C113 1000p
LSCR523EBFS8
Q 2 0 1
L109
2.2u
R 2 0 5
3 . 3 k
C204
0.022u
R115
0
C N 2 0 1
C125
27p
C208
0.1u
C212
0.1u
R 2 1 7
0
L 1 0 2
2 7 n
Q 1 0 3
LTC014EEBFS8
330
C158 1000p
C134
1000p
C N 2 0 0
R 1 1 4
0
L 1 0 8
C 1 2 6
5 p
(B)
TH100
100k
C 2 2 1
0 . 0 1 u
D 1 0 1
R N 2 6 2 C S
R N 2 6 2 C S
R207
6.8k
10u
R 1 3 6
1 . 8 k
C139
2.2u
C145
1000p
C146
18p
C 2 2 4
0 . 0 1 u
R 2 1 5
3 3 0
R107
10
C106
9p
(B)
R 2 2 5
1 8 0
C 3 2 8
0 . 1 8 u
L103
82n
C256
1000p
L211
560n
L213 560n
L212 820n
Q 2 0 0
LTA023JEBFS8
R229
680
F 1 0 1
F53-0287-05
R267
82
2nd-LO
RSSI
SQL
( 4 5 0 k H z)
(38.85MHz) 1st IF
MIXER
FM IF SYSTEM
I F A M P
Temp compensation
VDCSW
BPF TUNING
FINAL
DRIVE
THDET
POWC
5R
5T
CURDET
C 2 06
C 2 07
R 2 0 4
C200
R120
C13
0
R236
(38.4MHz)
ANT
5R
1stLO
5T
BPF
+B
5R
V.D.C SW
RF AMP
BPF TUNING
D201,202,204
DOUBLER
W/N SW
ANT SW
D101,102,103
+B
LSDI
5R
LSDI
SQL
RSSI
WID/NAR
5R 5R
1stLO
2ndLO
BPF
Q 2 0 4
B F 5 0 2 0 W
C229
R 2 11
1 . 8 k
(D)
(B)
(G)
R 2 6 8
0
(B)
(G)
27p
0 . 7 5 p
(B)
(D)
C 2 51
1 0 0 0 p
C254
D204
BBY57-02V
L215
82n 27p
C253
1p
(B)
R237
1M
C264
7p
C272
0.01u
C259
6p
-t
T H 260
1 0 0 k
R 2 6 2
8 2 k
C25
7
15p
C266
3p
C233 0.01u
1000p
C226
D 1 0 2
C 2 62
1 0 0 0 p
R:4.76V
T: 0V
R:0.62V
T: 0V
R:0.73V
T: 0V
R:4.93V
T: 0V
R: 0V
T:0.8V
Hi:1.67V
Lo:1.37V
Hi:3.71V
Lo:3.04V
Hi:1.49V
Lo:1.22V
R:5.0V
T: 0V
R:4.93V
T: 0V
R:2.7V
T: 0V
R:2.43V
T: 0V
7.5V
R: 0V
T:4.86V
Note : The components marked with a dot (
•
) are parts of layer 1.
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