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3·4. CPU PCB Unit
The waveforms after the completion of initialization
TP201
TP202
TP203
~
JlJUlt
sv
fUu-Lt
sv
400ns
-,
t
J---Ls-L
SV
3OOn.
TP204
~tsv
TP403
IOCS'
DUART CS
SMCS
RAMCS
SVCSl
SVCSO
ROMCSl
ROM CSO
3·38
b
7".
"
0.3 .....
0.5;15
lJ
LJ
I_
3.25ms
_I
III
,.
3.2m.
Tn
"
II
II
,_
3.7S".
"
,
11
r - - - - - l
r}
The waveform can only be seen when the
L.J
L.J
L.J
power switch is turned on.
I_
2.2J11
_,
~
l
The waveforms are generated after self check
~
is started IS seconds.
500ns
-cJ
c:J
C
I.
.1
800ns
500nl
~
1-0
.1
BOOns
SOURCES
CHI
CH2
SOURCES
CHI
CH2
TEST POINT
401
TEST POINl
202
SOS
YOLT/DIY
SY DC
YOLT/DIY
SY DC
5V DC
TIME/DIY
200 ns
TIME/DIY
100 ns
TRIGGER
CHI.
TRIGGER
CH2.
@)
GND ..... ·
@)
GND-
SOURCES
CHI
CH2
SOURCES
CHI
CH2
TEST POINT
402
TEST POINT
601
602
YOLT/DIY
SY DC
YOLT/DIY
SV DC
5Y DC
TIME/DIY
O.S
ILs
TIME/DIY
100 ns
TRIGGER
CHI.
TRIGGER
CHI,
@)
GND .....
~
@)"
,
L~.l.+
GND ..... !Iiioiiiioi
. , ! : ;
C-::-.:. t,'
trJJ;'!;..!.j
@)
~ ·~!u.bj
. .
i
GND .....
~
' , ' . .
SOURCES
CHI
CH2
SOURCES
CHI
CH2
TEST POINT
S04
TEST POINT
602
603
YOLT/DIY
SY DC
YOLT/DIV
5Y DC
5V DC
TIME/DIY
0.1
ILs
TIME/DIY
100 ns
TRIGGER
CHI.
TRIGGER
EXT. TP601.
~
. . . . .
O·l·I··lll··r·~
1 I I 1 f 1 I I 1 I
I '
~-'l~ll
C@)
~
.... :::
' .
GND ..... _ · · ·
.
""'!j
1
• . • '
L-L-L-'--L~
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