Main U N - Alinco DJ-493 Service Manual

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No. Pin Name
Function I/O PU
1 P67/AN7 SMT
2
P66/AN6 SQL
3 P65/AN5
BAT
4 P64/AN4 TIN
5 P63/SCLK22/AN3 BP1
6 P62/SCLK21/AN2 BP2
7
P61/SOUT2/AN1 DCSW
8 P60/SIN2/ANO F/M/KEY
9 P57/ADT/DA2 CTOUT
10 P56/DA1 DTOUT
11 P55/CNTR1
SCL
12
P54/CNTR0 TBST
13 P53/RTP1 BP4
14 P52/RTP0 MUTE
15 P51/PWM3 CLK
16
P50/PWM0 DATA
17
P47/SROY1 TRESET I/O
18 P46/SCLK1 STBP
19 P45/TXD UTX
20
P44/RXD RTX
21 P43/0/TOUT BEEP
22 P42I/NT2 RE2
23 P41/INT1
RE1
24
P40
25 P77 PTT
26 P76
27
P75 P5C
TCO
28 P74
29
P73 R5C
30
P72 AFP
31 P71
CLSFT
32
P70/INTO
33 RESET RESET
34
Xcin Xcin
35 Xcout
Xcout
36 Xin
37 Xout
Xout
38 v'ss GND
P27
39 PSW
40
P26 SDA
41 P25
C5C
42 P24 LAMP
43 P23
44 P22
45 P21
46 P20
47 P17 K03
48 P16 K02
49 P15/SEG39 KOI
50 P14/SEG38
51 P13/SEG37
52
P12/SEG36
53 P11/SEG35
54
P10/SEG34
55
P07/SEG33
Logic
I A/D
-
I A/D
-
I A/D
-
I
A/D
-
I A/D
-
I
A/D
-
o Activ high
-
I A/D
-
0 D/A
-
o D/A
-
0 Pulse
-
I/O Pulse/Activ low Tone burst output
*
I
- -
I/O Activ high
-
0 Pulse
-
I/O
Pulse
-
Activ low/Pulse Trunking board detection (w hen PSW is on)/Trunking board reset
-
0 Pulse
-
0 Pulse
-
I Pulse
-
I/O Pulse/Activ low Beep tone/Band plan 3(when PSW is on)
-
*
Avtiv low
I
*
I Avtiv low
SD 0 Avtiv low
-
I
Activ high
-
*
BP6 I Activ high
0 Activ low
-
r\ i
. ____
A A U llV IUW a
-
1 v^V-/
o
Activ low
-
0 Activ low
-
o
Activ high
-
BU I Activ low
-
I Activ low
-
- - -
- - -
Xin
- - -
- - -
- - -
I Avtiv low
-
0 Pulse
-
0 Activ high
-
0 Activ high
-
KI0 I Avtiv low
*
KI1
I Avtiv low
*
K!2 Avtiv low
! *
KI3 I Avtiv low
*
Avtiv low
0
-
0 Avtiv low
-
0 Avtiv low
-
Avtiv low
KOO 0
-
H/L 0
- -
DA2 0
- -
DA1 0
- -
DA0 0
- -
d Y D
T"
L . A I -
Description
S-meter input
Noise level input for squelch
Low battery detection input
CTGSS tone input/DSG code input
Band plan 1
Band plan 2
DCS signal mute
Function/Moniter key input
CTCSS tone output/DCS tone output/Tuning voltage out
DTMF output/EVR control output
Serial clock for EEPROM
Band plan 4
Microphone mute
Serial dock output for PLL,CTCSS
S e ria l d a ta o u tp u t lo r PLLCTCSS, P L L u n lo ck s ig n a l in p u t
Strobe for PLL IC
UART data transmission output
UART data reception output
Rotary encoder input
Signal detection output
PTT input
Band plan 6
PLL power ON/OFF output
TX power ON/OFF output
RX power ON/OFF output
AF AMP power ON/OFF output
CLOCK frequency shift
Backup signal detection input
Reset input
-
-
Main clock input
Main clock output
CPU GND
Power switch input
Serial data for EEPROM
C5V power ON/OFF output
Lamp ON/OFF
Key matrix input
Key matrix output
Tx power H/L
DA converter for output power
DA converter for output power
DA converter for output power
UART line SW/External control port
7