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GENERAL NOTES
A. Use sc h e m a tic d ia g ra m s ) th e o v e r a l l b lo c k d ia g ra m )
c i r c u i t b o a rd i l l u s t r a t i o n s ) and c i r c u i t d e s c r ip t io n s
when a n a ly z in g in s tru m e n t m a lfu n c tio n s and lo c a t in g
t e s t p o in t s .
The s c h e m a tic d ia g ram s in c lu d e t y p i c a l
waveform s and v o lta g e s th a t a r e in te n d e d as an a id
in tr o u b le s h o o t in g .
B. Alw ays s e t th e POWER s w itc h to OFF and u n p lu g th e l i n e
c o rd b e fo r e s w a p p in g ) re m o v in g ) o r r e p la c in g com ponents)
and b e fo r e c o n n e c tin g o r d is c o n n e c tin g in s tru m e n t le a d s
and c a b le s .
C. When a n a ly z in g c i r c u i t m a lf u n c t io n s ) c o n s id e r c o n n e c to rs
and c a b le s as p o s s ib le causes o f f a i l u r e .
S P E C IF IC NOTES
I . S et i n i t i a l f r o n t - p a n e l c o n t r o ls as f o llo w s
VERTICAL MODE
VOLTS/DIV
VOLTS/DIV V a r i a b le
AC-GND-DC
V e r t i c a l POSITION
TRIGGER MODE
I NT
SOURCE
SEC/DIV
SEC/DIV V a r ia b le
X10 M a g n if ic a t io n
AUTO INTENSITY
AUTO FOCUS
H o r iz o n t a l POSITION
POWER S w itc h
HORIZONTAL MODE
CH 1
0 .1 V
C al d e te n t
AC
M id ran g e
AUTO
VERT MODE
I NT
0.1m s
C al d e te n t
O f f (C a l b u tto n i n )
M id ran g e
M id ran g e
M id ran g e
O f f (b u tto n o u t )
NO DLY
2 . V e r i f y th e lo w -v o lta g e power s u p p lie s a t th e
f o llo w in g t e s t p o in t s :
SUPPLY
TEST POINT
TOLERANCE
- 8 .6 V
TP500
- 8 . 5 6 to - 8 .6 4 V
+ 8 .6 V
W975
8 .3 4 to 8 .8 6 V
+5V
W985
4 . 7 5 to 5 .2 5 V
+30V
W965
2 8 . 5 to 3 1 ,5V
+ 100V
W966
95 to 105V
NOTE
A HV p ro b e i s r e q u ir e d to measure th e -2 k V
s u p p ly .
T u rn o f f th e power and make th e
t e s t equipm ent c o n n e c tio n s to th e o s c illo s c o p e .
S et th e v o lt m e t e r to re a d a t l e a s t - 3 k V > th en
tu rn th e o s c illo s c o p e power back on to ta k e
th e r e a d in g .
A f t e r o b t a in in g th e r e a d i n g >
t u r n o f f th e o s c illo s c o p e power to d is c o n n e c t
th e t e s t equipm ent c o n n e c tio n s ) and r e p la c e
th e c r t s o c k e t c o v e r.
V e r i f y th e -2 k V s u p p ly a t p in 2 o f th e c r t s o c k e t.
The v o lt a g e sh o u ld be betw een - 1 9 0 0 and -2 1 0 0 V .
The P r e r e g u la t o r and I n v e r t e r c i r c u i t s have a f l o a t i n g
common r e f e r e n c e w it h re s p e c t to c h a s s is g ro un d .
A c -s o u rc e p o t e n t i a l i s p re s e n t on th e common r e f e r e n c e
p o in t s .
Connect th e in s tru m e n t to th e ac -p o w e r s o u rce
th ro u g h an i s o l a t i o n tr a n s fo r m e r to p re v e n t th e pos
s i b i l i t y o f p e rs o n a l i n j u r y o r equipm ent damage when
tr o u b le s h o o tin g th e s e c i r c u i t s .
When an a u to tr a n s fo r m e r
i s a ls o used in th e t r o u b le s h o o tin g p ro c e d u re ) connect
th e i s o l a t i o n tr a n s fo r m e r to th e a c -p o w e r s o u r c e > then
co n nect th e o u to tr a n s fo r m e r to th e i s o l a t i o n tr a n s fo r m e r .
F i n a l l y ) p lu g th e in s tru m e n t power c o rd i n t o th e a u t o -
tr a n s fo r m e r o u t l e t .
* NUMBER INDICATE!
SCHEMATIC OIAGM
Содержание 2213
Страница 1: ...Ttektronix 2213 OSCILLOSCOPE SERVICE IN S T R U C T IO N M A N U A L ...
Страница 9: ...2213 Service 3827 01 viii The 2213 Oscilloscope ...
Страница 30: ...Theory of Operation 2213 Service 3 3 Figure 3 1 Basic block diagram of the 2213 Oscilloscope ...
Страница 67: ...Adjustment Procedure 2213 Service 5 2 ...
Страница 139: ...Figure 9 4 2213 block diagram S105 ...
Страница 140: ...a o m 7 x C O o z CHANNEL SWITCH AND VERTICAL OUTPUT ...
Страница 141: ...2213 Service ...
Страница 144: ...2213 ...
Страница 146: ...2213 3827 20 R V FB 4982 C 4 ...
Страница 147: ...S90I 4 5 ...
Страница 148: ...CIRCUIT BOARD INTERCONNECTIONS K tv ra n m CIRCUIT BO ARD IN T E R C O N N E C T IO N S ...
Страница 151: ......
Страница 153: ...2213 3 K T i RtV D E C ...
Страница 154: ......
Страница 155: ...2213 Service 1 3 a 7 ...
Страница 161: ...2213 Service n 3 a ...
Страница 168: ...s RE 2213 ...
Страница 169: ... CH 1 CH 2 VERTICAL PREAMPS ...
Страница 175: ......
Страница 177: ...TRIGGER ...
Страница 180: ...fr ...
Страница 181: ...f E V AUG I98Z SWEEP GENERATOR LOGIC ...
Страница 184: ......
Страница 188: ...2 2 1 3 lAlO FWTW m ain b o a rd ...
Страница 190: ...i _____H M N XY AMPLIFIER HORIZ OUTPUT ...
Страница 191: ...A 1 1 C 1 a i F 1 G 1 H 1 3 4 5 6 7 HO COM TO P 4 C C O 5 S I i S2T 2e R EV Dec I9BI 2 2 3 ...
Страница 203: ...2 2 1 3 Service R887 ASTIG R870 GEOM C784 5ns TIMING R860 GRID BIAS ...
Страница 207: ... ...
Страница 216: ...I ...
Страница 217: ...2213 OSCILLOSCOPE ...
Страница 218: ......
Страница 219: ...2213 OSrs ...
Страница 225: ......