TS-4408
C I R C U I T D ES C R I PTI O N
1 6 .
Semi-self test function
Semi-self test is started by turning the POWER switch on
with the
@]
( A M ) and T-F S ET switches pressed.
This test provides a method of testing the TS-440 digital
system in a shorter time during production or servicing . The
test enables the following :
1
. Circuits which are difficult to test during program execu
tion to be tested easily. For example, dynamic data can
be ouput as static data.
2. Items on which information is held only by the CPU and
is not available to the user to be tested.
TEST N O . LIST
TEST
NO
o
I
2
3
4
5
6
7
8
9
I 0
I I
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
20
2 1
22
23
24
25
26
27
28
29
30
Condition
Start All F i p ' s light's
All F i p ' s light's ( Segment)
All Fip's light's
All F i p ' s O F F ( digit)
Each d igit l i g hts G 1
"
G 2
"
G 3
"
G 4
"
G 5
"
G 6
"
G 7
"
G S
"
G 9
"
G 1 0
"
G 1 1
"
G 1 2
"
G 1 3
BZ O N
BZ O F F
M o d e L E D all O N
a l l O F F
R L
= " H "
= " L"
BAND a l l = " H "
P D
E N F
E N P
a l l = " L"
= " H "
= " L"
= " H "
= " L" ( i mmediatly)
= " H "
= " L"
a. Approximately threshold level input
b. Incorrect input due to input pin fault
Operation procedure
1
. POWER SW OFF
2. The power switch on while pushing switch
@]
(AM) and
switch T-F S ET
3. The test number has starts from
"O"
to
"
5
6
"
and E N D
when turn the VFO knob clockwise.
Operation chart shows as follow.
4. To reset S E M I - S ELF TEST function, Power switch OFF.
TEST
NO
3 1
32
33
34
35
36
37
38
39
40
4 1
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
RES = " H "
" = " L"
CO = " H " ( A / D )
" = " L" ( " )
A X = " H " ( " )
" = " L" ( " )
Condition
8 2 5 5 Port A all = " H " ( I C 2 )
" "
all = " L"
( . . )
8 2 5 5 Port B all = " H "
( , , )
" "
all = " L"
( . . )
8 2 5 5 Port C C O - C 3 = " H " ( . . )
C 4 - C 7 = " L"
CO - C 3 = " L" ( , , )
C4 - C 7 = " H "
8 2 5 5 Port C all = " H " ( I C 5 3 )
' "
"
a l l = " L"
( .
.
)
LOC K , PTT , M I C , U / D , AT, VS- 1 ( B U SY ) check
[ S I M PLEX] VS- 1 ( B U SY ) check
Key scan i n po rt check
ITJ
( LS B ) ,
[]J
, V/ M , V O I C E ( check)
[]]
( U S B ) .
[l]
, M/ V , R I T , A/ B ( check)
[l]
( C W ) ,
[]]
, SC A N , X I T , S PRIT ( check)
[]]
( AM ) ,
[[J
, M I N , T-FSET,A = B , 1 00 L 200L 400L
( " )
Q) , @ . ®
[I]
( F M ) ,
[ill
, ( F S K ) , C LEAR, 1 M H z , 2 5 L 5 0 L 2 5 U 50U
( " )
(]) . @ . ® . CV
E N T , D OW N , U P , 1 00 U 200U 400U
® . ® . @
E N D
25