Realistic HTX-100 - IC Internal Diagram

IC INTERNAL DIAGRAM
IC1
M5223L
,---------------------~
I I
I I
I I
I I
I I
1 I
I
I
1 I
I I
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->
Q
>
N
N
...,
:; :>:;
-z
z
Nz
>:;
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:iT
::0
>
0
za.
G. I
za.
0
+
-..:
.!:c:
!;
-.,!
0
z
z
IC601
LB1423N
0
Ve1
VeJ Ve4
LB1423N
G Ve5
A hAP
OUT
IN Vee
~------------------------------------------------,
IC301
IC501
L7808CV
GNO
IC402
UC1208
5V
5V
5V
ROW 1
ROW 2
ROW 3
5V
COL 1
COL 2
COL 3
5V
GND
GND
GND
GND
F·K 1
F·K 2
GND
sse
>
I()
OUTPUT
GROUND
INPUT
·-
w
>-
VlO
in~
Vl
~ 0-~
::::>
~
III
0 0 000
0
uuuuu
~i~
u > > >
_J _.J ...J ...J ...J
..J
I()
I() I()
I
I
INPUT I OUTPUT
GND
I I
L------------------------------------------------~
UC1208 Pin Connection
Pin
s,..,..,.,
1/0 01-lptlon
Pin
Sumbol
1/0
Di-lption
No .
No.
1
~v
-
J~ YCXO 5
0
} PU. YCXO (No)
2
5V
-
J6
YCXO II
0
output
J
5V
-
J7
CNO
-
GND
4
ROW 1
1/0
} KEY IIA1111CSS
311 GNO
-
5 ROW 2
1/0
Je uP I
lllc "" sw Input
•
ROW 3
t/0
40 DOWN I lllc down SW Input
STOP
sou
5V
GND
7
5V
-
PTT Input
a ca. 1
1/0
} KEY WA 1R1CSS
41 PTT
I
ON : "1.." OfT: "H"
'
ca. 2
1/0
f · Locl< SW Input
10
ca. J
1/0
42 f · L·CK I
ON : "L" OfT : "H"
OSC2
11 5V
-
4J RESET
-
OSC1
12
CNO
-
44
TEST
-
TEST
13 CNO
-
45
osc 1
-
RESET
14
CNO
-
411
osc 2
-
F·LOCK
15 CNO
-
47
CHD
-
PTI
11 f · K 1 I Input f· knob 1
41
5V
-
DOWN
UP
17 f·K 2 I Input r . knob 2
~-chNO:~!
11
CNO
-
40
SQu
I
GND
18
ssa
1/0
SS8: "l • OTHER : "H"
50 STOP
I
"l" : 90 to STOP Mode
GND
20 CHO
-
51
CNO
-
vcxo 6
21
CNO
-
52
5V
-
vcxo 5
vcxo 4
22
DATA
0
~ DATA(N!NZW!}-tpu 5J
5V
-
2J
QJ(
0
PU. QJ( output 54 5V
-
vcxo 3
24 518 1
0
PU. t.£ output
55
LCD BUSY 0
LCD Driver 1JU!Y
25 STB 2 0 Pt.!. ENA8l£ output
T•/R• output
21
vee
-
+5V
56
r.
0
T. : '"H. Rx: •l ..
27 BEEP
0
2kH:r,50maec output
Wute Output
211 CHO
-
57 WUTr
0
WUTr : "H" UNWUT£ ; "L"
29
GNO
-
511
5V
-
PLL lOCk O.toct
~9 LCD !:l:R 0
}•ro ~·-
!:l:R
JO LOCO
0
lOCk ; "H" UNLOCK "L"
110 LCD 5I 0
g
Jl YCXO 1
0
Ill
LCD l:S 0 l:S
J2 YCXO 2 0
}~ ~~''"'
112
LCD C/0
0
C/0
ll
YCXO J
0
output
IIJ
LCO Re .. t
0.
RESET
J4 YCXO 4
0
64
5V
-
--
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