Alinco DX-70, Service Manual

Page: 24 / 116

No. U
m
1
UM2 U»e3 Pin Name
Remarks
1/0
Description L
H
5?
P70
SEG17 SEG17
0
Outpui io LCD Sequent
53 P71 SEG10 SEG16
0 Output 1
o
LCD Segment
54 P7 7
SEG19
SEG19 0 Outpui to LCO Segmenl
55 P73
SEG20 SEG20 O
Outpui to LCD Segment
56 P7-1
SEG?1
SEG21
0 Output lo LCD Segment
57 P7b SEG22 SEG?? 0
Output to LCD Segment
58
P76 SEG73 SEG23 0
Output to LCD Segment
59 P/7 SEG2d SEG2d
0 Output lo LCD Segment
60 P0O SEG2S SEG25
0 Output to LCD Segment
61 P01 SEG?6 SEG26
0 Output to LCD Segment
62
P62 SEG27 SEG? 1 0 Output tr> LCD Segrnem
63 P83
SEG20 SEG26
0 Output to L CD Segment
64
P8-» SEG29
SEG29 o
Output to LCD Segment
05
P65 SEG30 SEG30
o
Output to LCD Segment
fi6 PB6
SEG31 SEG31
0 Outpui to LCD Seomen!
67 P87
SEG32 SEG32
0 Output to LCD Segment
GB P90
SEG33 SEG33 0
Output to LCD Seomeni
69 P91 SEÜ34
SEG34 0 Ouiput to LCD Seamcni
70
P9?
SEG35 SEG35
0 Output to LCD Segment
n
P93
SEG36 SEG36
0 Output io LCD Segment
7?
P94 SEG3/ M SEG37 o
Output lo LCD Segment
73
P95 SEG38 DO SEG38
0 Outout lo LCD Seqment
74 P96
SEG39 CL? SEG39 0
Output io LCD Seomen;
75
P97
SEG40 CL1 SEG40 0
Output to LCO Segment
76
Vcc
5V
77
P10 TMOW MONI 0
Open the squelch forcedly (monitor)
Squelch open
torcsdiy
78 P11
TMOFL
UT
o
The conmand io put out the light
forcedly and flashing lo LCD driver
Put out the light
forcedly
During lighting
79 P1? TMOFH BEEP
0
Beep sound outpui Puisc ouiput
eo
P13 TMIG SOS
'
Soueicn open/ciosc condition aeiect>on Soueich close
Soueich open
61 P U PWM DIMM DIMMER 0
LCD dimmer control
Duly control o<
puise output
82 P15
IRQi TMIÜ TXS 1
Transmission condition detection
Transmission
Reception
83 P16
IRQ? TMlC
SUBA
1
MF dial rotation detection
fU
p i
; IR03 TMIF SUBB 1
MF d'ai rotation detection
8b
P40 SCK3 ORST COUNT RESET
Omi puisc count reset
Dunng counting Reset
86 P i 1
RXD GND
1
8?
P42 TXD GND
1
88 P43
moo
POWDN
POWER DOWN 1
Power OFF detection Power OFF Power OK
89
AVcc
5V
90 PBO
A NO DOl 1
Dial clock 1/?
91 PBl AN1
DO? 1 Dial clock t/d
9?
PB2 AN2 D03
1 Dial d o r* 1/8
93 PB3 AN3 00 4 1
Dial dock 1/16
94
PB-t Af-M
0 0 5
1
Dial clock 1/3?
95 PBS AN5
0 0 6 i
Dial clock 1/6*1
96 PB6
AN6 DO 1 Dial up rotation
UO
97
PB7 AM7 /DO
1 Dial down rotation Down
98 PCO
AN8 DSD ET A^D
Dial speed öetecton
The voltage
according to the
speed ot rotation.
99 PC' AN9 RIT
A/D R ITVR position detection 0-5V
100 PC2 AN10 U/D A/D
Mio UPiDOWN oetect'on 2-3V down 0 -2 V up
1
PC3 ANU SRF
A/D S & RF Meier voltage input
0-5V