Kenwood TK-2360 Service Manual page 41

Z
TX-RX UNIT (X57-7780-10)
TMP
DRIVE AMP
Q204
C222
RD01MUS1-T113
100p
L206
39n
H:2.0V
L:1.7V
H:2.9V
L:2.5V
50T
RX(VHF)
50R
C459 C461
1000p 1000p
D404,405
BPF TUNING
PC/BPF
50V
OPTDET
PTT/RXD
TXD
50M
33M
50R
MICI
AF AMP
ON:7.4V
OFF:0V
DC SW
Q814
2SA1362-F(GR)
AF AMP
ON:3.3V
OFF:0V
AUDIO
DC SW
Q813
RT1N141U
EXTMICSW
AFSW
7.5V
SB
PTT
Note : The components marked with a dot (
AA
SCHEMATIC DIAGRAM
FINAL AMP
Q205
STRIP LINE
RD07MUS2BT112
R229
4.7
R230
4.7
H:1.0V
L:0.8V
R227
0
R:5.0V
T:0V
RF AMP
Q407
C466 C467 R448 3SK294-FP
3p(B) 4p(B) 47
LEVEL
LEVEL
CONVERTER
CONVERTER
Q816 Q815
UPA672T-A UPA672T-A
EXTMICSW
R924
AF AMP
ON:3.5V
470k
IC815 OFF:0V
TA7368FG
1 10 2SK3577-A
NC1 PoUT
2 9
VCC PW-GND
3 8
NC2 PRE-GND
4 7 C924
VIN PHASE
5 6 100p
RIPPLE NF
AF AMP
AF AMP
ON:0V
OFF:7.4V
C922
0.1u
•
) are parts of layer 1.
AB
L215
6T
L212 L213 L214 C240 C263 C243
3T 5T 5T 1000p 5p(B) 1000p
50T
R:4.2V
T:0V
R:3.0V
T:0V
R457 C478 R458
47 18p 0
PC/BPF
50V
OPTDET
5.0V
R936
DC SW
0
Q820
RT1N141U
R929
R928
Q818,819
MUTE SW
R930
Q818 Q819
2SK3577-A C926
100u6.3
DC SW
Q817
RT1N441U
PTT
AC
TK-2360
D201,202
ANT SW
D201 C247 L219 L220 L221
HVC131 1000p 6T 9T 8T
D202 C249 C253 C256
HVC131 13p(G) 4p(B) 5p(B)
R:0V
T:0.8V
R240 R234
0 0
D203,204
ANT SW
C482 C484
4p(B) 3p(B)
C487 C489
10p(B) 33p
D407,408
BPF TUNING
J801
1k
PTT/RXD
MICI
MICO
27k
OPTDET
50V
SP/MIC JACKS
J802
AE
100
TXD
SPI
SPO
TX-RX UNIT
(X57-7780-10)(C/3)
SPEAKER
AD
1
ANT
2
3
L420
56n
4
5
6
MIC801
MIC
7
41
X57-778 6/6