Electorical Volume Ic; Cross Point Switch; Panel Mpu - Kenwood TM-V71A Service Manual

Electorical Volume IC: M62364FP-F
(TX-RX (Control) unit (D/6) IC804)
Pin No. Pin name
1 VIN1 B band balance adjustment input
2 VOUT1 B band balance adjustment output
3 VOUT2 A band blance adjustment output
4 VIN2 A band blance adjustment input
9 VIN3 TX deviation adjustment input
10 VOUT3 TX deviation adjustment output
11 VOUT4 MIC sensitivity adjustment output
12 VIN4 MIC sensitivity adjustment input
13 VIN5 SP2 output VOL adjustment input
14 VOUT5 SP2 output VOL adjustment output
15 VOUT6 SP1 output VOL adjustment output
16 VIN6 SP1 output VOL adjustment input
21 VIN7 DATA terminal PR1 output level adjustment input
22 VOUT7 DATA terminal PR1 output level adjustment output
23 VOUT8 DATA terminal PKD input level adjustment output
24 VIN8 DATA terminal PKD input level adjustment input
Cross Point Switch: BU8241FS
(TX-RX (Control) unit (D/6) IC806)
Pin No. Pin name
5 IN1 A band RX audio input (De-emphasis circuit output)
6 IN2 B band RX audio input (De-emphasis circuit output)
7 IN3 DTMF (1750Hz tone) encode signal input from MPU
8 IN4 Beep signal input from MPU
9 IN5 MIC audio input (MIC amplifi er and AGC output)
10 IN6 PKD 1200bps data input and Audio input from PC
11 IN7 RX audio input to internal TNC
12 IN8 VGS-1 playing audio input
13 OUT8 SP2 audio output VOL
14 OUT7 SP1 audio output VOL
DATA terminal PR1 output
15 OUT6
(Input to DAC for level adjustment)
16 OUT5 VGS-1 recording audio output
17 OUT4 Audio level detection output to MPU
18 OUT3 RX audio output to DTMF IC
MIC audio output
19 OUT2
(Limiter and Pre-emphasis circuit input)
20 OUT1 RX audio output to internal TNC
SEMICONDUCTOR DATA
Function
Function
TM-V71A/V71E
Panel MPU: 3062LFGPUKBZA
(Display unit IC903)
Pin No. Port Name I/O
1 KEY4 I [CALL] key input
2 KEY3 I [MHz] key input
3 NC - Not used (5V)
4 KEY2 I [MR] key input
5 KEY1 I [VFO] key input
6 BYTE I Not used (GND)
7 NC - Not used (GND)
8 ENC_B I Encoder 1
9 NC - Not used (GND)
10 RESET I System reset
11 XOUT O System clock output (11.0592MHz)
12 VSS I GND
13 XIN I System clock input (11.0592MHz)
14 VCC I 5V power supply input
15 NMI I Not used (5V)
16 ENC_A I Encoder 2 (INT)
17 RXD_INT I RXD detection
18 POWER I Power switch detection interrupt
19,20 NC - Not used (GND)
21 LCD_CE_1 O LCD driver 1 CE
22 LCD_CLK_1 O LCD driver 1 CLK
23 LCD_DT_1 O LCD driver_1 data
24 AMBER O Dimmer output PWM (Amber)
25 NC - Not used (GND)
26 GREEN O Dimmer output PWM (Green)
27 PSW O 5V switch L: ON
28 NC - Not used (GND)
29 TXD O UART output to main MPU
30 RXD I UART input from main MPU
31 CLK - Not used (GND)
32 BUSY - Not used (5V)
33~38 NC - Not used (GND)
39 EMP - Not used (GND)
40~43 NC - Not used (GND)
44 CE - Not used (5V)
45~59 NC - Not used (GND)
60 VCC I 5V power supply input
61 NC - Not used (GND)
62 VSS I GND
Function
13