Terminal Function - Kenwood TK-80 Service Manual

FINAL UNIT (X45-3520-21) (A/2)
CN No. Pin No. Pin Name
CN1 Coax.
CN2 1
2
CN3 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN4 1
2
3
4
5
CN5 Coax.
CN6 Coax.
CN7 Coax.
CN9
CN10 1
2
3
4
5
6
7
8
CN11 1
2
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TERMINAL FUNCTION

Function
DRV Drive input
FAN+ Power supply for fan
FAN– Power supply for fan
TT Antenna tuner control
TS Antenna tuner control
FEN4 Shift register 4 enable
UCK Shift register control clock
UDA Shift register control data
DGND Digital GND
THP Thermal protection.
High when it operates
BOVR Low: DC over voltage
(approx. 19V or more)
PSC High when power switch is turned
5A 5V
14V 14V
14S 14V (switched)
8A Analog 8V
GND GND
NC No connection
NC No connection
GND GND
TS Antenna tuner control
TT Antenna tuner control
AGND Analog GND
14S 14V (switched)
AT1 AT signal 1
AT2 AT signal 2
RAT Receive signal output
ANT.GND Antenna GND
GND GND
VSF Forward wave voltage
VSR Reflected wave voltage
TXB 8V when transmitting
14AG 14V (for audio IC) GND
14AF 14V (for audio IC)
8A 8V
14S 14V (switched)
GND GND
4AT AT band data 2.40000~4.49999MHz
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CN No. Pin No. Pin Name
CN11 3 7AT AT band data 4.50000~7.99999MHz
4 14AT AT band data 8.00000~14.49999MHz
5 18AT AT band data 14.50000~18.99999MHz
6 21AT AT band data 19.00000~21.99999MHz
7 24AT AT band data 22.00000~26.99999MHz
8 28AT AT band data 27.00000~29.99999MHz
W1 14V 14V
14V 14V
GND GND
GND GND
W2 ANT ANT
FINAL UNIT (X45-3520-21) (B/2)
CN No. Pin No. Pin Name
CN800 1 PH1 Headphone output 1
2 PH2 Headphone output 2
3 PHG Headphone GND
J800 PHONES Headphone output
CONTROL UNIT (X53-3570-21)
CN No. Pin No. Pin Name
CN1 1 RAF Reference audio voltage
2 DGND Digital GND
3 5C 5V for power switch
4 5A 5V
5 8A 8V
6 14S 14V (switched)
7 LEN1 LCD control enable
8 LBLK LCD blanking
9 SO Key matrix select
10 K4 Key matrix
11 K3 Key matrix
12 K2 Key matrix
13 K1 Key matrix
14 K0 Key matrix
15 EDP2 Encoder pulse
16 EDP1 Encoder pulse
17 PSW High when the power switch is on
18 LCK LCD control clock
19 LDA LCD control data
20 MD Microphone DOWN switch
TK-80
Function
Function
Function
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