Kenwood TM-V71A Service Manual page 20

TM-V71A/V71E
Pin No. Name I/O
25 GND -
26 DET_A O A band detect signal output
27 PR (PNL) O PR detect signal output for panel
28 DET_B O B band detect signal output
29 GND -
30 VBSY I
31 VPLY I
32 VEN I
33 VRST I
34 DA2_EN I
35 2099_EN I
36 TR_CLK I
37 TR_DT I
38 B_PLLEN I
39 A_PLLUL O Unlock signal from A band PLL (IC1)
40 A_PLLEN I
41 B_PLLUL O Unlock signal from B band PLL (IC66)
42 VGSPLAY O Audio output from VGS-1
43 TCXO_A I
44 VCO_B I
45 VCO_A I
46 TCXO_B I
47 VGSREC I
48 SIM0 O Type
49 SIM1 O Type
50 SIM2 O Type
J606 (8-pin mini DIN: PC terminal)
1 RTS O Request to send
2 CTS I
3 TXD O Transmit data
4 GND -
5 RXD I
6 NC -
7 NC -
8 NC -
J607 (6-pin Mini DIN: DATA terminal)
1 PKD I
2 GND -
3 PKS I
4 PR9 O Output of detected 9600bps data
5 PR1 O Output of detected 1200bps data
20
TERMINAL FUNCTION
Function
GND
GND
VGS-1 busy signal
VGS-1 play signal
Enable signal for VGS-1
VGS-1 reset signal
Enable signal for D/A IC (IC667)
Enable signal for shift register (IC576)
Clock
Data
Enable signal for B band PLL (IC66)
Enable signal for A band PLL (IC1)
Modulation signal for A band TCXO
Modulation signal for B band VCO
Modulation signal for A band VCO
Modulation signal for B band TCXO
Audio input (VGS-1)
Clear to send
GND
Receive data
No connection
No connection
No connection
Packet data input
GND
Packet standby
Pin No. Name I/O
6 SQC O Squelch control output
TX-RX UNIT (X57-731X-XX) (B,E/6): VCO A Section
Pin No. Name I/O
CN701
1 SHIFT I VCO shift signal
2 V/U I VHF VCO/UHF VCO select signal
3 CV I VCO control voltage
4 MOD I Modulation signal input
CN702
1 OUT O Oscillation signal output
2 E - GND
3 8C I 8V for VCO
TX-RX UNIT (X57-731X-XX) (C,F/6): VCO B Section
Pin No. Name I/O
CN751
1 SHIFT I VCO shift signal
2 V/U I VHF VCO/UHF VCO select signal
3 CV I VCO control voltage
4 MOD I Modulation signal input
CN752
1 OUT O Oscillation signal output
2 E - GND
3 8C I 8V for VCO
TX-RX UNIT (X57-731X-XX) (D/6): CONTROL Section
Pin No. Name I/O
CN960 (to TX-RX unit A/6)
1 SIM2 I Type
2 SIM1 I Type
3 SIM0 I Type
4 VGSREC O Audio output (VGS-1)
5 TCXO_B O Modulation signal for B band TCXO
6 VCO_A O Modulation signal for A band VCO
7 VCO_B O Modulation signal for B band VCO
8 TCXO_A O Modulation signal for A band TCXO
9 VGSPLAY I Audio input from VGS-1
10 B_PLLUL I Unlock signal from B band PLL (IC66)
11 A_PLLEN O Enable signal for A band PLL (IC1)
12 A_PLLUL I Unlock signal from A band PLL (IC1)
Function
Function
Function
Function