Kenwood TK-3360 Service Manual page 41

Z
TX-RX UNIT (X57-7790-10)
TMP
DRIVE AMP
Q204
C222
RFM01U7P
220p
L206
10n
H:2.1V
L:1.5V
H:3.6V
L:2.5V
50T
RX(VHF)
50R
C459 C461
1p(B) 1p(B)
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
RD07MUS2BT112
R229
0
H:1.6V
L:1.1V
R227
0
R:5.0V
T:0V
RF AMP
Q407
C467 R448
C466 C495 3SK293-F
3p(B) 2p(B) 470p 22
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
C924
4 7
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
STRIP LINE
C243
R240
0
56p
50T
R:4.4V
T:0V
R:3.0V
T:0V
C478
R457 C497
0 470p 470p
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-3360
D201,202
ANT SW
D201
C247
L219 L220 L221
5T
3T 4T
HVC131 470p
D202
C249 C253 C256
3p(B)
HVC131 1p(B) 1.5p(B)
R:0V
T:0.8V
R239 R234
0 0
D203,204
ANT SW
C484
C482 C487 C489
3p(B) 3p(B) 2p(B)
4p(B)
R481
470k
D410,431,432
BPF TUNING
C934
220p
J801
1k
PTT/RXD
MICI
MICO
27k
OPTDET
50V
SP/MIC JACKS
J802
AE
100
TXD
SPI
SPO
TX-RX UNIT
(X57-7790-10)(C/3)
SPEAKER
AD
1
ANT
2
3
4
5
6
MIC801
MIC
7
41
X57-779 6/6