Terminal Function; Final Unit (X45-391X-Xx A/2); Final (Relay) Unit (X45-391X-Xx B/2); Control Unit (X53-446X-Xx A/3) - Kenwood TS-590S Service Manual

FINAL UNIT (X45-391X-XX A/2)

Pin No. Name I/O
CN2 (to TX-RX unit A/2 CN800)
1 TXRF I TX RF input (Coaxial)
CN3 (to EXT. AT)
1 14S O Switched 14V (for external antenna tuner)
2 GND - GND
External antenna tuner (AT-300) IN/
3 TT I/O
THROUGH control
External antenna tuner (AT-300) tuning
4 TS I/O
start control
5 GND - GND
CN4 (to Control unit A/3 CN1)
1 14S I Switched 14V
2 GND - GND
3 14V I Non switched 14V
CN5 (to Control unit A/3 CN301)
1 DATA I Serial data
2 CLK2 I Serial clock
Over voltage detection
3 BOVR O
Over 19V becomes "H"
4 GND - GND
Power supply switch control signal
5 PSC I
"H" when power is ON
6 GND - GND
7 TH1 O Thermistor detection voltage
8 AMD O Output voltage of amplitude detector
External antenna tuner (AT-300) tuning
9 TS I/O
start control
10 PHD O Output voltage of phase detector
External antenna tuner (AT-300) IN/
11 TT I/O
THROUGH control
12 ATPWS I AT relay operating stop signal
13 FEN1 I IC1, IC7, IC9 enable
14 FEN2 I IC8, IC10 enable
CN6 (to FAN2)
1 FAN2+ O Supply FAN2 voltage
2 GND - GND
CN7 (to FAN1)
1 FAN1+ O Supply FAN1 voltage
2 GND - GND
CN8 (to INT. SPEAKER)
1 SP O Speaker output
2 SPG - Speaker GND
CN9 (to TX-RX unit A/2 CN5)
1 TXB I TX 8V
2 ID O Power current signal
3 33C I 3.3V (DC/DC)

TERMINAL FUNCTION

Function
Pin No. Name I/O
4 VSR O Refl ected wave power detection voltage
5 SP I Speaker input
6 VSF O Forward wave power detection voltage
7 SPG - Speaker GND
8 GND - GND
9 NC - No connection
10 5A I Non switched 5V
CN10 (to Final (Relay) unit B/2 W3)
1 TXOUT O TX RF output (Coaxial)
CN11 (to Final (Relay) unit B/2 W2)
1 ATCOM I TX/RX relay common terminal (Coaxial)
W1 (to DC 13.8V)
1 +B I Power supply voltage 13.8V
2 +B I Power supply voltage 13.8V
3 GND - GND
4 GND - GND
W6 (to Final (Relay) unit B/2 CN52)
1 TXRL O TX relay control signal
2 GND - GND

FINAL (RELAY) UNIT (X45-391X-XX B/2)

Pin No. Name I/O
CN51 (to TX-RX unit A/2 CN100)
1 RAT O RAT output (Coaxial)
CN52 (to Final unit A/2 W6)
1 TXRL I TX relay control signal
2 GND - GND
W2 (to Final unit A/2 CN11)
1 ATCOM I/O TX/RX relay common (Coaxial)
W3 (to Final unit A/2 CN10)
1 TXOUT I TX RF input (Coaxial)

CONTROL UNIT (X53-446X-XX A/3)

Pin No. Name I/O
CN1 (to Final unit A/2 CN4)
1 14S I Switched 14V
2 GND - GND
3 14V I Non switched 14V
CN2 (to TX-RX unit A/2 CN1)
1 14S O Switched 14V
2 GND - GND
3 8A O 8V (DC/DC)
CN61 (to TX-RX unit A/2 CN600)
1 RIF I RX IF input
2 GND - GND
TS-590S
Function
Function
Function
81