Horizontal Defle C Tion Or X Axis - Philips PM3055 Service Manual

2 -6
CHARACTERISTIC S
2 . 3 HORIZONTAL DEFLECTION OR X AXIS
* Horizo nt al d i s ­
p l ay modes
2.1.1 Mai n Time Bas e ( MTB )
* Time c oe f f.
Error l imit
* Ho ri zont al pos i-
t ion range
* Vari ab le contro l
rat io
* T ime Base mag ­
ni fier
E rror l imi t
* Horizontal mag­
nifier bal ance
10 --- >
*
* Ho ld-Off
Minimum to maxi ­
mum ho ld-off t ime
rat io
De l ay Time Base ( DTB )
2 . 1 . 2
* Time coe ff.
Error l imit
* Horizontal po s i ­
t ion range
* Time Base Mag­
ni fier
S PEC IF ICATION
MTB , MTBI,
ALT.TB, DTB
X -DEFL
0,5 sec .
. .
< 3%
Start of swe ep and
lOth div. mus t be
s h i f t ed ove r s c re e n
c e nt re
1 > 2 ,5
:
E xpans ion *10
< 4%
< 2 ,5 sd
* 1
1 > 10
50· ns
ms .
l . .
ADD ITIONAL INFORMATION
50 ns
1, 2 , 5 sequence (magn.of f )
Meas ured at - 4
s c reen centre .
Not va l id �n X-de f l e c t ion.
Mea sured at +4 . . . -4 d iv. from
s c reen centre .
E xc lud ing f i rs t 50 ns and
l as t 5 0
Shi ft s t art o f sweep in * 10
in mid - s c reen po s it ion, then
swi t ch to * 1.
Minimum ho l d off t ime is re la­
t ed to t ime base s e t t i ng .
Seque nce 1, 2 , 5 .
See MTB
See MTB
See MTB
+ 4 d iv. from
. . •
ns.