Kenwood TS-480SAT Service Manual

SCHEMATIC DIAGRAM TS-480HX/480SAT
97
7
6
5
4
3
2
1
EDCBA
VR501
220
2SK208(GR)
Q506
R538
100k
C513
0.01u
C511
0.01u
D508
DSA301LA
C504
68p
R536
100k
L502
R539
10k
C528
0.01u
R508
1k
R509
1k
R520
1M
R518
1k
C516
0.01u
Q504
FMA5A
L504
1m
C515
0.01u
C517
0.01u
R533
100
C529
47p
CN501
E40-5739-05
1
2
3
4
5
6
7
8
9
10
R537
100k
R519
1k
C509
1000p
K502
S76-0424-05
CN503
C520
0.01u
L507 47u
C527
47u 16
L509
47u
C507
3p
CN505
L503
10u
L510
47u
K503
S76-0424-05
R517
1.5k
TC501
10p
C514
0.01u
C526
0.01u
R513
100k
R502
33 1/2W
R521
1M
C523
1000p
R530
15k
2SK208(GR)
Q507
D501
1SS348
C518
0.01u
R534
100
D504
HSM88AS
VR502
22k
L508
47u
R512
100k
R532
100
C508
56p
D509
DSA301LA
R510
100
R501
10
D506
1SS355
D507
1SS355
C531
47p
C506
1000p
C519
0.01u
R506
100
C503
0.01u
IC501
BU2099FV
1
VSS
2
NC
3
DATA
4
CLK
5
LCK
6
Q0
7
Q1
8
Q2
9
Q3
Q4
10
11
12
13
14
15
16
17
18
19
20
C502
1000p
D502
1SS348
C530
0.01u
R515
10k
R511
100
Q505
FMA5A
CN504
R514
10k
R505
39
R504
1k
D503
1SS355
L501
1m
R507
100
D505
HSM88AS
R535
100k
L506
C521
0.01u
C505
0.1u
C512
0.01u
R531
100
K501
L505
R516
1.5k
Q502
FMA5A
CN502
E40-5758-05
1
2
3
4
5
6
7
8
9
10
11
12
W502
0
Q503
FMA5A
R550
390
C535
0.01u
Q508
RN47A5
IC503
TC7WH74FU
1
CK
2
D
3
Q
4
GND
5
Q
6
CLR
7
PR
8
VCC
IC502
TA75S393F
1
IN-
2
VEE
3
IN+
4
OUT
5
VCC
R552
4.7k
R553
1.8k
W506
0
W504
0
W505
0
W503
0
C536
10p
L511
150n
C537
8p
C522
0.01u
C525
0.01u
IC509
TC7SHU04F
1
NC
2
IN
3
GND
4
oUT
5
VCC
IC510
TC7SHU04F
1
NC
2
IN
3
GND
4
oUT
5
VCC
50M’
ATS’
ANT’
21M’
28M’
14M’
10M’
4M’
7M’
2M’
21M’
2M’
7M’
28M’
14M’
4M’
10M’
50M’
ANT’
ATS’
W501
0
Q501
FMA5A
R503
27 1/2W
AT S
ATOUT
ANT2
VDET
GND
ANT
ANT1
AT IN
IDET
GND
RAT
VSR
PHD
AMD
VSF
4M
LED
21M
28M
7M
GND
10M
50M
14M
2M
FINAL UNIT (ANT)(X45-365X-XX)(C/3)[AT] 0-11:TS-480SAT(K) 2-71:TS-480SAT(E)
7M
14M
LED
28M
50M
4M
21M
10M
GND
2M
GND
GND
GND
POUT
GND
GND
VDET
VDET
IDET
IDET
DRIVER
D501,502
HIGH-FREQUENCY
RECTIFICATION
SURGE
ABSORPTION
D503,506
D507-509
SURGE
ABSORPTION
HIGH-FREQUENCY
RECTIFICATION
HIGH-FREQUENCY
RECTIFICATION
EXTENDED I/O
COMPARATOR
SIGNAL AMP
SIGNAL AMP
DRIVER
Q501-505
D FLIP-FLOP
INVERTER
INVERTER
X45-365X-XX(B/3)[AT]
FINAL UNIT (FILTER)
Land & Wire
Land & Wire
Land & Wire
Land & Wire
Land & Wire
GND
GND
GND
GND
GND
Land & Wire
POUT
CN2
X44-327X-XX
RF UNIT
X45-365X-XX(A/3)[AT]
FINAL UNIT
CN819
FINAL UNIT
CN820
X45-365X-XX(A/3)[AT]
TX-RX UNIT
CN375
X57-663X-XX(A/2)
FEN2
GND
VSR
AMD
DATA
14S
5C
PHD
GND
CLK
TXB
VSFVSF
TXB
PHD
5C
14S
DATA
AMD
VSR
GND
FEN2
CLK
GND
CN101
FINAL UNIT (FILTER)
X45-365X-XX(B/3)[AT]
Q5
Q6
Q7
Q8
Q9
Q10
Q11
SO
OE
VDD
R:13.08V
T:13.02V
13.12V
3.54V
13.07V
13.07V
13.07V
13.07V
0.36V
13.07V
13.07V
0.36V
13.07V
13.07V
0V
R:0V
T:13.07V
13.19V
R:0.18V
T:7.71V
4.70V
4.70V
1.00V
0V
0V
4.70V
4.70V
0.99V
4.70V
4.70V
0V
1.82V
0V
0V
0V
0V
0V
0V
13.19V
13.07V
0.36V
13.07V
13.07V
13.07V
0.36V
13.07V
13.07V
13.07V
13.07V
X45-365 (C/3) 1/1

Kenwood TS-480SAT Specifications

General

Antenna Impedance	50 ohms
Supply Voltage	13.8 V DC ±15%
Current Drain (Receive)	1.5 A
Antenna Connector	SO-239
Operating Temperature	-10°C to +50°C
Modes	SSB, CW, AM, FM, FSK
Antenna Tuner	Built-in
Current Drain (Transmit)	20.5 A
Power Output	100 watts
RF Output Power	100 watts