3 . MPU BOARD
Troub l eshoot i ng ( cont ' d )
4 .
E a s I I y
r emove
t he
p i n
us i ng
l ong nose
p l i e r s .
T h i s
l ea ve s t he
i n t e r na l
t r aces and p a d s
I n t ac t .
NOTE :
A coppe r
r i ng
on t he p i n
s hows t he
boa r d
i s
damaged .
5 .
Ca r e f u l l y ,
r emove
any so l de r
f r om t he ho l es us i ng a so l de r i ng
I ron
a n d
a
so l der sucke r .
Samp l e Wa v e f o rms
The wa v e f o r m s p i c t u r e d I n t h i s manua l we r e p r oduced b y t h e
300MHz osc l I l oscope ;
howeve r , t he t i m i ng can be s e t up us i ng
osc i I l oscope . T h e vo l t s a n d t i me a r e p r i n t ed on e a c h wave f o r m
wav e f o r m s r equ i r e s t o r age a s I nd i c a t e d o n t h e f l owch a r t s .
Tek t r on l cs
# 2 465
a 1 00 or
200MHz
i l l us t r a t i on . Some
Typ i c a l Add r e s s
. . . . .
. . .
.
. . . ..
.
I
.
-
-
..
. .
. . .
..
. ..
. . .. .
200ns
Shor t e d Add r e s s
a t � H I GH
I
,
•
I
.. ..
.
.
. . ....
Sho r t e d Add r e s s
a t � LOW
Typ i ca l D a t a
.
.
0
. .
.
.
.
.
.
..
..
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. ...
.
.
,.1
I V
S ho r t e d D a t a
� � H I GH
. ...
....
100ft.
Shor t e d Da t a
a t � LOW
..
3-6 1
Summary of Contents for 5000 Plus
Page 57: ......
Page 125: ...3 MPU BOARD Troub l eshoot i ng cont d CLOCK D I AGRAM Vee 3 68...
Page 158: ......
Page 218: ......
Page 242: ...HOPPER CONTROL BOARD Boar d Assemb l y AS 3556 1 3 o 0 o Q5 r 7 4...
Page 258: ......
Page 290: ......
Page 335: ......
Page 343: ......
Page 361: ...1 5 APPEND I CES APPEND I X 4 Co i n Mechan i sm I nc 1 5 6...
Page 382: ......
Page 383: ...APPEND I X 6 Ser v i ce Su i l e t i ns 1 5 APP END I CES 1 5 1 2...
Page 384: ......