Kenwood TK-U100V Service Manual page 40

H
C112
56p
F101
Hi:3.71V
F53-0287-05
Lo:3.04V
THDET
5T
VDCSW
+B
V
R:2.43V
T: 0V
C237
R225
82
1000p
BPF
SPMUT
32
LEDG
31
LEDR
30
OPTDET
29
NC
28
EN1
27
EN2
MCU
26
EN3
IC400 25
F2136ACNKDRB EN4
I
SCHEMATIC DIAGRAM /
FINAL
Q102
L105
RD07MUS2BT112
3T
R114
0
Hi:1.67V
Lo:1.37V
Temp compensation
R136
RT1N141U-T111
1.8k
R:5.0V
T: 0V
7.5V
C240 R230
1p
(B)
D201,202
BPF
BPF TUNING
5R
5MS
5M
PFKEY
PTT
5MSC
5TC
5CC
LEDG
SPMUT
LEDR
EN1
EN2
EN3
EN4
D101
L108
HVC131
C126 C127 D102
L106 L107
5T 5T
1000p
5p HVC131
(B)
R: 0V
T:4.86V
Q103
V.D.C SW
R:3.15V
T: 0V
RF AMP
R:3.89V
T: 0V
C247
Q204
3SK318
82 47p
BPF TUNING
R:4.93V
T: 0V
GREEN LED
RED LED
ON:5.0V
ON:5.0V
J
TK-U100
原理图
L111 L112
9T 9T
C131 C135 C137
1000p 6p 6p
(B)
(B)
D101,102,103
ANT SW R: 0V
T:0.8V
L110 R139
9T
0
C250
47p
R409
220
Q401
LEDG
DC SW
RT1N144U-T111
R410
220
Q402
LEDR
DC SW
RT1N144U-T111
EN2 S3_A
K
V
( )
1
ANT
2
3
4
LED
GREEN
5
LED
RED
S60-0447-05
S402
7