Tandy 2000 Service Manual page 398

5.3.3
fl-IDEX
sensor position
ad.justments
f)
Equipment
CE
Tester
CE
diskette
(DYI4EK
502-ID
STANDARD DISKETTE)
Hex wrench
Oscilloscope
2)
Check procedure
2)
-L
Connect
CE
tester to drive (set
power
off)
2)
-2
Turn-on power
switch
and motor-on
2)
-3 Select drive
and
loai.
CE
diskette
(Close clamp
door
slowly)
2)-4 Read t
jJning
of
each'
wave f orm
TPAIO
unCer reaC
rnoCe TK02
,
oscilloscope.
(see
f
igure)
Trigger:
EXT
- +INDEX
(
DC,
S
ignal : CIII - TPA9
(AC
,
cI{2
- TPA10
(
AC
,
2)
-5 Specification
of
AI
'IPA
9
.
us
inq
+)
(
TpBr4
)
Ncrma
I
)
r'vertec )
Acc
lvloce
'
S
ide- I
200
:
300 us
200 +
200
us
ta't
ii
-
Check
ACjust
timing
T.
SiCe-0
200
:
200
us
200
3
100
us
All at
TK
02
T.r't'-tnat-
5.\,5Y:--
+INDLY
(rpBl4)
ar!
\1-t'1 -l
I
v-:l.L
-
FF\.1
.
^\
J;.J
I
--.4,4V
,'?rrrqi-
\JV5J
E
wave
ionn)
I
$
tJ-
N
\-T