Kenwood TM-V71A Service Manual page 21

Pin No. Name I/O
13 B_PLLEN O Enable signal for B band PLL (IC66)
14 TR_DT O Data
15 TR_CLK O Clock
16 2099_EN O Enable signal for shift register (IC576)
17 DA2_EN O Enable signal for D/A IC (IC667)
18 VRST O VGS-1 reset signal
19 VEN O Enable signal for VGS-1
20 VPLY O VGS-1 play signal
21 VBSY O VGS-1 busy signal
22 GND - GND
23 DET_B I B band detect signal input
24 PR (PNL) I PR1 detect signal input for panel
25 DET_A I A band detect signal input
26 GND - GND
27 SQ_B I B band SQL voltage
28 SM_B I B band S-meter voltage
29 TEMP I Thermistor voltage input
30 VSF I VSF voltage input
31 SQ_A I A band SQL voltage input
32 SM_A I A band S-meter voltage input
33 GND - GND
34 PR1 (EXT) O PR1 signal output
35 PKD (EXT) O PKD signal output
36 PKS (EXT) I PKS signal input
37 SQC (EXT) I SQC signal input
38 CTS (PC) I CTS input for PC
39 RTS (PC) O RTS output from PC
40 RXD (PC) I RXD input for PC
41 TXD (PC) O TXD output to PC
42 IGN I Ignition signal
43 ILLM I Illumination signal
44 SB_C O SB control signal
45 NC - No connection
46 5C I Switched 5V
TERMINAL FUNCTION
Function
TM-V71A/V71E
Pin No. Name I/O
47 NC - No connection
48 8C I Switched 8V
49 NC - No connection
50 S5M O Switched 5V for RS-232C driver (IC606)
CN961 (to TX-RX unit A/6 and INT. SP)
1 CB I B
2 GND - GND
3 GND - GND
4 INTSP O Audio signal output to internal speaker
J801 (EXT.SP1 jack)
1 AF1 O External speaker 1 AF output
2 GND - GND
J802 (EXT.SP2 jack)
1 AF2 O External speaker 2 AF output
2 GND - GND
J951 (MIC jack)
1 MBL/UP I A/D input
2 8C O Switched 8V for MIC
3 GND - GND
4 PTT I MIC standby signal (PTT)
5 ME - MIC GND
6 MIC I MIC signal input
7 NC - No connection
8 CM/DWN I MIC data detection/ A/D input
J952 (Panel jack)
1 PR O TNC data output
2 PB O Switched 10V
3 GND - GND
4 TXD O Serial data output
5 PKS I Data standby control signal
6 PKD I TNC data input
7 RXD I Serial data input
8 SQC O Squelch control signal
Function
21