Kenwood TK-280, Руководство по обслуживанию

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TK-280
26
SEMICONDUCTOR DATA
Microprocesser : 30620M8-394GP (TX-RX UNIT : IC19)
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Pin function
1 LSDOUT O Low speed data output.
2 HSDOUT O High speed data output.
3 HSDIN I High speed data input.
4 DTMSTD I DTMF decode IC data detect input.
5 SELF I Self programming mode input.
6 BYTE I +5V.
7 CNVSS I GND.
8 SFTOE O Shift register output enable.
9 LCDCS O LCD driver chip select output.
10 RESET I Microcomputer reset input.
11 XOUT - 9.8304MHz (System clock).
12 VSS - GND.
13 XIN - 9.8304MHz (System clock).
14 VCC - +5V
15 AUX I AUX switch input.
16 AFTRD I FFSK modulation data output timing pulse
input.
17 AFRTM I FFSK demodulation data input timing pulse
input.
18 EN2 I Encoder pulse input 2.
19 PLLCLK O PLL IC clock output.
20 BEEP O Beep data output.
21 AFRDT I FFSK demodulation data input.
22 AFREG1 O AF IC register switching data output 1.
23 AFREG2 O AF IC register switching data output 2.
24 EEPDAT O EEPROM data output.
25 DACSTB O D/A converter IC data strobe output.
26 AFCLR O FFSK flame reset output.
27 SAVE O Battery save output.
28 LAMP I LAMP switch input.
29 AUXTXD O External Serial interface output.
30 AUXRXD I External Serial interface input.
31 PLLUL I PLL unlock detect input.
32 AFFFSKE O FFSK modulation enable (Enable active “H”).
33 TXD O Serial interface output (ex. PC).
34 RXD I Serial interface input (ex. PC).
35 AFDAT O FFSK data output.
36 PTT I PTT switch input.
37 RDY - Not used.
38 ALE - Not used.
39 HOLD - Not used.
40 HLDA - Not used.
41 BLCK - Not used.
42 RD - Flash memory RD bus.
43 BHE - Not used.
44 WR - Flash memory WR bus.
45 DTMCLK O DTMF decode IC clock output.
46 CNTCLK O Common clock output.
47 PLLSTB O PLL IC data strobe output.
48 CS0 O Flash memory chip enable.
49 A19 - Not used.
50~59 A9~A18 - Flash memory address bus.
60 VCC - +5V
61 A8 - Flash memory address bus.
Pin Port
I/O Function
No. Name
62 VSS - GND.
63~70 A0~A7 - Flash memory address bus.
71 MONI I Monitor switch input.
72 EN4 I Encoder pulse input 4.
73 EN3 I Encoder pulse input 3.
74 EN1 I Encoder pulse input 1.
75 MINDAT O Common data output.
76 KEY2 I Key scan input 2.
77 KEY1 I Key scan input 1.
78 RESET O Key scan IC reset output..
79~86 D0~D7 - Flash memory data bus.
87 DTMDAT I DTMF decode IC data input.
88 PF I PF switch input.
89 VOL I Volume level input.
90 BATT I Battery voltage input.
91 ANLSQL I Squelch level input.
92 TEMP I Thermistor input.
93 RSSI I Received signal strength indicator input
(RSSI).
94 AVSS - GND.
95 LSDIN I Low speed data input.
96 VREF - +5V
97 AVCC - +5V
98 SFTSTB1 O Shift register data strobe output.
99 W/N O Wide/Narrow switching output.
100 AFSTB O AF IC data strobe output.
Pin Port
I/O Function
No. Name
Pin
Port Port Name Function
No.
Shift register 1 : BU4094BCFV (TX-RX UNIT : IC21)
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Pin function
1 ES ES Strobe
2 DT DAT Data
3 CK Clock
4 Q1 LEDR Red LED. H : ON, L : OFF
5 Q2 LEDG Green LED. H : ON, L : OFF
6 Q3 KEYBLT Key back light. H : ON, L : OFF
7 Q4 MMUTE Mic mute. H : Unmute, L : Mute
8 VSS GND
9 QS IC 21 data output
10 NC
11 Q8 DTMPD DTMF decode IC power down.
H : Power down, L : Busy
12 Q7 BSHIFT Beat shift. H : ON, L : OFF
13 Q6 5TC TX power control. H : RX, L : TX
14 Q5 5RC RX power control. H : TX, L : RX
15 OE Output enable
16 VDC +5V