Kenwood TK-3000 Service Manual page 29

J
R203 R206 R221 R229 R230 R231 R300 R314
47k 560k 56k 470k 22 330 1.5k 3.9k
82k NO 120
22k 680k 15 0 10k
RD07MUS2BT112
R114
0
Hi:1.67V
C112
Lo:1.37V
220p
F101
Hi:3.71V
F53-0287-05
Lo:3.04V
(0.5A)
THDET
5T
VDCSW
R 2 2 3
0
+B
✽ C 2 5 8
7V
V
R:2.43V
T: 0V
C274
4 7 0 p
BPF
SPMUT
32
LEDG
31
LEDR
30
OPTDET
29
NC
28
EN1
27
EN2
MCU
26
EN3
I C 4 0 0 25
F2136ACNKDRB EN4
24
K
R360 R371 R388 R471 R472
180k 1.8k 1.8k 10k NO
220k 8.2k 8.2k NO
10k
FINAL
Q102
Temp compensation
R136
RT1N141U-T111
1.8k
R:5.0V
T: 0V
7.5V
✽
✽ C252 C239 C240
470p
D201,202,204
BPF
BPF TUNING
5R
5MS
5M
PFKEY
PTT
5MSC
5TC
5CC
LEDG
SPMUT
LEDR
EN1
EN2
EN3
EN4
L
SCHEMATIC DIAGRAM
D101
HVC131
C127 D102
R138
0
180p
HVC131
CN1 (E23-1167-05)
R: 0V
T:4.86V
Q103
V.D.C SW
R:3.15V
T: 0V
RF AMP
R:3.89V
Q204 T: 0V
✽
R230 C244
3SK318
470p
R:4.93V
T: 0V
GREEN LED
RED LED
ON:5.0V
ON:5.0V
M
TK-3000
L111 L112
4T 4T
C131 C135
C137
180p 2p 2p
(B)
(B)
D101,102,103, 105
R: 0V
ANT SW
T:0.8V
✽
R139
✽
L110 L113
4T
✽
C247
✽ ✽ C250
C271
D260,261
BPF TUNING
R409
220
Q401
LEDG
DC SW
RT1N144U-T111
R410
2 2 0
Q402
LEDR
DC SW
RT1N144U-T111
EN2 S3_A
S3 C
N
1
ANT
2
3
4
5
LED
GREEN
6
LED
RED
S60-0447-05
7
S 4 0 2
7
8