Kenwood TS-480SAT Service Manual

TS-480HX/480SAT SCHEMATIC DIAGRAM
82
7
6
5
4
3
2
1
A B C D E
C22
0.01u
C29
1u
CN4
E40-5487-05
C6
1u
C19
0.1u
15p
C12
47p
R14
33k
R11
330
C20
0.01u
D5
V08(G)
D1
MA2S111
CN2
E04-0154-05
L7
1000u
R12
680
C11
8p
R16
2.2k
C5
0.01u
C18
0.1u
D3
RLS245
K1
S51-1428-05
C2
470u16
C14
0.01u
C7
0.1u
C302
0.1u
C3
0.01u
C25
4.7u25
C28
0.1u
R19
56
C301
0.01u
R17
150
0
CN1
E04-0154-05
C4
39p
R13
10k
L2
100n
R15
100
D2
V08(G)
R2
6.8
C8
47p
L3
47u
C17
0.1u
D53
LFB01
R1
820
2SK2596
Q3
C26
0.01u
R301
100
R9
10
R3
820
R4
56
L9
1000u
C24
0.01u
C10
0.1u
CP302
RK75GB1J103J
R8
180
L1
10u
D4
RLS245
C15
0.1u
R18
56
Q1
KRA318E
R7
470
Q2
HN7G01FU
CP303
RK75GB1J103J
R6
1k
14S
J302
E11-0455-05
1
3
11
10
2
C324
1000p
C323
1000p
C53
2200p
L52
1000u
C51
1500p
L53
*
D52
HVC131
L55
1000u
C55
1500p
L54
5.6u
TC52
*
TC51
*
C52
0.1u
L51
*
L6
150n
C325
1000p
R5
10k
CN51
E40-5487-05
D51
HVC131
D54
HVC131
CN52
E40-5487-05
R10
47k
C54
2200p
C30
1000p
L5
10u
C16
1000p
C13
0.1u
C1
1000p
C129
*
C130
*
J301
E11-0455-05
1
3
11
10
2
L301
1u
L302
1u
L303
1u
L304
1u
L305
1u
R314
0
C321
1000p
C303
1000p
C304
1000p
C305
1000p
D301 1SS388
D302 1SS388
D303 1SS388
D304
1SS388
C322
1000p
R20
4.7k
R21
4.7k
2SD1757K
Q4
C32
470u16
R313
47k
Q301
KRC402E
R315
47k
CN309
E40-5978-05
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R82
4.7k
RAT(B)
DRV(B)
R316 10k R317 10k
IC301
BU2099FV
1
VSS
2
NC
3
DATA
4
CLK
5
LCK
6
Q0
7
Q1
8
Q2
9
Q3
10
Q4
11 12 13 14 15 16 17 18 19
20
L4 47u
BPF2
BPF8
BPF1
BPF3
BPF6
BPF5
BPF4
BPF7
BPF9
BPF10
Q302
KRC402E
RAT
DRV
14S
TXB
3C
14S
14S
AT T
PADDLE
KEY
AT T
PRE
PRE
KYS
DOT
DASH
KEY
AT T
PRE
H:ATT ON
H:PRE ON
E18-0254-05
E18-0254-05
RF UNIT (X44-327X-XX)
GND TP for JIG
DX
NORM
TXB
RXB
AGC
CKYS
PGC
8C
RATB
RXB
PRE GAIN
SURGE ABSORPTION
SWITCHING
LIMITER
D2-5
SWITCHING
SWITCHING
SWITCHING
REVERSE
CURRENT
PREVENTION
D301-304
SWITCHING
SHIFT
REGISTER
SWITCHING
AMP
SWITCHING
MUTE
RX POWER SUPPLY
CONTROL SWITCH
C23
L11
100n
R22
8C
AT T
X45-365X-XX(C/3)[AT]
X45-366X-XX(C/3)[200W]
CN503
FINAL UNIT(ANT)
CN1
FINAL UNIT
X45-365X-XX(A/3)[AT]
X45-366X-XX(A/3)[200W]
CN403
TX-RX UNIT
X57-663X-XX(A/2)
GND
8C
GND
14S
REN
DASH
CLK
DATA
TXB
3C
KYS
PRES
KEY
DOT
RXB
AGC
CKYS
PGC
TXB
KEY
8C
DASH
PRES
REN
KYS
RXB
CKYS
14S
DATA
3C
DOT
AGC
PGC
CLK
Q5 Q6 Q7 Q8 Q9
Q10 Q11
SO OE
VDD
C33
18p
L10
270n
12.37V
13.19V
-115dBm
0.17V
7.64V
13.11V
7.68V
0.13V
7.59V
R:13.17V
T:0V
R:0V
T:0.67V
R:0.05V
T:1.71V
R:13.18V
T:12.51V
R:0V
T:0.57V
3.33V
2.47V
0.16V
2.92V
0V
-114dBm
-114dBm
0V
X44-327 1/4

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