Kenwood TK-3360 Service Manual page 49

P
TX-RX UNIT (X57-7790-11) (A/3)
+B
50T
50V
TMP
50R
50C
TX
PDSW
DCSW
APCSW
L2
220n
VCO
SPEED UP
HSC119
10u
RXAST
VCO SPEED UP
D15
HSC119
R28
TXAST
10M
50C
MOD2
TX
50C
+B
50T
PDSW
DCSW
APCSW
PC/BPF
50V
OPTDET
PTT/RXD
TXD
50M
33M
50R
4.8V
R410
0.6V
330k
16.8MHz
Q403
KTC4080E-P
TRIPLER
W:0V
N:3.3V
L72-1012-05
C403
W\N SW
0.1u
D401
KDS121E-P
L72-1010-05
C404
0.1u
W:3.3V
N:0V
VOXSW
DETAF
AUDIO
MICM
VOXM
EXTMICSW
AFSW
NARROW
WIDE
MICFB
RSSI
ASQL
VOX
SB
PTT
Q
SCHEMATIC DIAGRAM /
R60
L31
1k
15n
C82
10p
C84
R61
390k
3p(B)
0.03V
Q2
2SC5636
RF BUFFER AMP
D3,5,10
FREQENCY
RX VCO
CONTROL
/RX VCO
D5 C44
L3 L9
22n
1SV325F 120p
D14
R27
10M
D7,9,11
FREQENCY
CONTROL
/TX VCO
TX VCO
D9 L10
C45
L4
15n
120p
1SV325F
D12
MODULATOR
/TX VCO
R29
47k
RIPPLE
FILTER
5.0V
Q3
KTC4075E(Y,GR)
RIPPLE
FILTER
C415
39p
C410
L402
100n
22p
1
2
C413
3 MIXoUT
0.1u 4
C414 5
NARROW
CF401
0.1u C418 6
C405
0.1u 7
W\N SW
0.1u R417 8
D402
KDS121E-P
330k
WIDE
CF402
C406
0.1u
R
2.6V
VCO/RX
0.5V
RF BUFFER AMP
Q8
R44 0.7V
L11
2SC5636
220n
10
R:4.2V
C52
6p(B) T:0V
C60
Q4
0.5p(B)
MCH3914(8)-H
R46
150k
R:0V
T:4.2V
L12 R45
22n
10
C55
6p(B)
C61
Q5
0.3p(B)
MCH3914(8)-H
TX/RX SW
4.2V
Q7
SSM3J05FU-F
Q6
L15 SSM6L05FU-F
TX
R:0V
TX/RX SW
T:3.3V
R:5.0V
T:0V
FM IF SYSTEM
IC401
TA31136FNG
C429
16
oSCIN MIXIN
15 33p
oSCoUT GND
14
N-REC
13
VCC N-DET
12
IFIN RSSI
CD401
C424
11
DEC IFoUT
10 82p
L79-1848-05
FILoUT QUAD
9
FILIN AFoUT R424
2.7k
C419
R419 R421
3.3k
390k 39p
DETAF
RSSI
ASQL
S
TK-3360
原理图
RF AMP
Q9
1.8V
2SC5636
C72 C73
7p(B) 10p(B)
1.4V
C71
33p(J)
4.8V
50C
R:4.9V
T:0V
R:0.7V
T:0V
XF401
R433
L71-0655-05
49.95MHz
470k
C433
R434
0.01u 270
Q405
KTC4080E-P
IF AMP
ASQL
RSSI
X57-779 (A/3) 4/6
T
TMP
C77
5p(B)
+B
50T
PDSW
DCSW
APCSW
PC/BPF
50V
OPTDET
PTT/RXD
TXD
50M
33M
50R
R435 C439
100 0.01u
VOXSW
AUDIO
MICM
VOXM
EXTMICSW
AFSW
MICFB
VOX
SB
PTT
49