Kenwood TS-2000 Service Manual page 36

TS-2000/X
Panel CPU : 30624FGAGxxxxx (TX-RX 1 unit IC801)
Pin function
No. Name I/O
1,2 KEY O
3 – –
4 LSUB O
5 MULTI O
6 – –
7 – –
8,9 – –
10 RES I
11 XOUT O
12 Vss –
13 XIN I
14 Vcc –
15 – –
16 MUL1 I
17 LOW1 I
18 HI1 I
19 MAA I
20 MAB I
21 RITA I
22 RITB I
23 MUL2 I
24 LOW2 I
25 HI2 I
26~28 – –
29 CON O
30 STA O
31 9.6K O
32 – –
33 TXD0 O
34 RXD0 I
35 RTS0 O
36 CTS0 I
37~40 – –
41~44 – –
45 DIM O
46 SRX O
36
SEMICONDUCTOR DATA
Function
Key illumination LED control signal.
Pull up to Vcc.
Sub LED control signal.
Multi LED control signal.
Vss connection.
Pull down to Vss.
Pull up to Vcc.
Reset.
System clock.
Vss.
System clock.
Vcc.
Pull up to Vcc.
Multi/CH encoder interrupt port.
Low encoder interrupt port.
High encoder interrupt port.
Main encoder A.
Main encoder B.
RIT encoder A.
RIT encoder B.
Multi/CH encoder data input.
Low encoder data input.
High encoder data input.
Pull up to Vcc.
CON LED control signal.
STA LED control signal.
9.6K KED control signal.
Pull down to Vss.
UART data transmission port to main CPU.
UART data reception port from main CPU.
RTS output to main CPU.
RTS input from main CPU.
Pull down to Vss.
Pull up to Vcc.
LED dimmer control signal.
Sub RX LED control signal.
No. Name I/O
47 STX O Sub TX LED control signal.
48 MRX O Main RX LED control signal.
49 MTX O Main TX LED control signal.
50 FUNC O FUNC LED control signal.
51 LINH O LCD segment display off control output.
52 LMO O LCD driver control output.
53 LCK O Common clock output.
54 LDA O Common data output.
55 LCS1 O LDC (segment) driver 1 chip select output.
56 LCS2 O LCD (segment) driver 2 chip select output.
57 LCS3 O LCD (dot) driver chip select output.
58 LCS4 O Serial-parallel IC chip select output.
59 LCS5 O Reserve.
60 Vcc – Vcc.
61 LRES – LCD driver reset control signal.
62 Vss – Vss.
63~65 – – Pull up to Vcc.
66~70 S0~S4 O Key scan output bit 0~4
71 PBKC I Backup processing start signal.
72 KC I Key input C.
73 KB I Key input B.
74 KA I Key input A.
75,76 – – Pull up to Vcc.
77~86 K9~K0 I Key input 9~0.
87 SUBS I Sub on/off changover.
88 MAF I Main AF.
89 MSQL I Main SQL.
90 CWBC I CW BC.
91 MRF I Main RF.
92 SAF I Sub AF.
93 SSQL I Sub SQL.
94 AVss – Vss connection.
95 – – Pull up to Vcc.
96 VREF – ADC reference voltage. Vcc connection.
97 AVcc – ADC circuit power. Vcc connection.
98~100 – – Pull up to Vcc.
Function