Maintenance - Kenwood CS-1720 Instruction Manual

Programmable oscilloscope 20 mhz dual trace, option remote controller
Table of Contents

Advertisement

REMOVAL OF THE C A S E
1 . R e m o v e t h e f o u r phillips s c r e w s h o l d i n g t h e c a b l e w r a p s
o n
t h e
r e a r
p a n e l
of
s c r e w d r i v e r . H o l d i n g t h e f r o n t p a n e l of t h e
s l i d e t h e c a s e o f f b a c k w a r d s .
2 . W h e n r e p l a c i n g t h e u n i t in i t s c a s e , s l i d e it h o r i z o n t a l l y
a l o n g t h e l o c a t i n g r a i l s in t h e c a s e b a s e p l a t e until t h e
f r o n t p a n e l i s s n u g a g a i n s t t h e c a s e .
3 . R e p l a c e t h e c a b l e w r a p a n d s c r e w s , a n d t i g h t e n s e c u r e -
ly-
C R T b a n d r e t a i n i n g s c r e w

MAINTENANCE

t h e
C S - 1 7 2 0 ,
u s i n g
a
©
C S - 1 7 2 0 ,
C R T s h i e l d
REMOVAL OR REPLACEMENT OF THE CRT
1 . W h e n r e m o v i n g
t h e C R T f o r
N E V E R r e m o v e t h e C R T b a n d . R e m o v e o n l y t h e m o u n -
t i n g s c r e w s , a n d g e n t l y s l i d e t h e C R T b a c k w a r d s , r a i s e
t h e
s o c k e t u p .
If t h e
r e m o v a l of t h e C R T i s e a s i l y a c c o m p l i s h e d . R e p l a c e m e n t
c a n b e d o n e e a s i l y .
2 . I n s e r t t h e C R T c a r e f u l l y . A f t e r l o c a t i n g t h e C R T o n t h e
r e t a i n i n g
r u b b e r s , t i g h t e n t h e
l o o s e l y . F i x t h e s c r e w s o f C R T b a n d s s o t h e C R T i s in
p a r a l l e l w i t h t h e f r a m e a n d t h e n t i g h t e n t h e s c r e w s o f
C R T m o u n t i n g h a r d w a v e .
3 . A s s l o t s a r e p r o v i d e d in t h e C R T b r a c k e t , t h e C R T c a n
b e m o v e d right a n d l e f t , a n d b a c k a n d f o r c e . A s t h e
b r a c k e t i s i n c l i n e d b y 4 5 ° , t h e C R T c a n be p o s i t i o n e d
a n a r b i t r a r y p o s i t i o n . T o f i x t h e C R T , t i g h t e n t h e C R T r e -
t a i n i n g s c r e w s l o o s e l y a n d f i x t h e C R T t o b e in p a r a l l e l
w i t h t h e f r a m e . T h e n , f i n a l l y , f i x t h e C R T r e t a i n i n g
s c r e w s t i g h t l y .
I
C A U T I O N :
A h i g h t e n s i o n v o l t a g e i s r e m a i n e d a t t h e a n o d e of
t h e C R T . B e f o r e r e m o v i n g t h e C R T , c o n n e c t
a n o d e
t o
t h e
g r o u n d v i a a
s e c o n d s t o d i s c h a r g e t h e v o l t a g e .
C R T r e t a i n i n g s c r e w
C R T s o c k e t
• C R T b a n d
C R T b l a c k e t
r e p a i r or
m a i n t e n a n c e ,
a b o v e
p r o c e d u r e
i s
f o l l o w e d ,
C R T r e t a i n i n g
s c r e w s
t h e
1 0 0 k f i
l o a d f o r
5
C R T r e t a i n i n g b l a c k e t
- ,

Advertisement

Table of Contents
loading

This manual is also suitable for:

Rt-1721

Table of Contents