Leader LBO - 524, Instruction Manual

Page 1: ...M O D E L 4 0 M H z D E L A Y E D L B O 5 2 4 L B O 5 2 4 L D U A L T lM E B A S E S i W E E P O S C IL L O S C O P E lN S T R U C T iO N M A N U A L L E A D E R E L E C T R O N IC S C O R P...

Page 2: ...5 Sw eep B l o c k 4 6 R e a r P a n e l B B L 5 B A S iC O P E R A T iO N S e 1 1 5 l H o w t o D i s p t a v T r a c e L i n e B 1 1 5 2 G a i n C h e c k i n g C a l i b r a t i o n W a v e f o r...

Page 3: ...fference betw een T w o S i gna l s t B 6 8 M casu rem ent o f Phase D i fference b y X Y O perati o n B 6 9 1ntensi ty Al l o d u t ati o n T erm inal Z ax i s 3 B 7 M A iN T E N A N C E C A L iB R A...

Page 4: ...u rem ents and testin gs o f T V set V T R s and co m p uter p eri p heral eq u tp m ents since th e T V sy nchro n i zati o n separato r vari ab l e ho l d off and V A X iS m agn i fi er fu ncti o ns...

Page 5: ...po i ari ty o f v i d eo si gn al s X Y M o d e X i C H 1 Y C H 2 Sensi ti vky x axi s 5 m V di v to 5V di v Y ax 5 m V d Bto 5V d X ax i s Bandw i dth D C or 10 H z to l M H z 3 d B ref 8 di v X Y p...

Page 6: ...nt 3 5 in tensi ty o f C R T B urn resi sti ng fl ourescent tphosphOr m ateri al i s used i n the C R T But i f the C R T i s t eft W i th a b ri ght d o t o r trace o r w ith u n h ecessaril y ra i s...

Page 7: ...st be taken fo r th e el ectri c sh o c k w h i ch i s hazard o u s Parti cu l arl y w h en the sy stem is g ro u nd ed to th e earth fo r the m e asu rerne nt o f C M O S c ircu i ts V erti calB l o...

Page 8: ...ck l LLUMc ont t di T O adiu st grati cu l e illu m in ad o n i C i o c kw ise ro tatio n increases b rightn ess ROTAT1 0Nc ont r ol A d iu st the R O T A T 10 N sc rew adiu ster u sin g a screw d ri...

Page 9: ...nd D i rect C urrent Sw i tch C H 2i 1 d irect cu rrent co m p o nent is b io cked b y a capaci to r T h e G N D p O si ti o n grO u n d s th e i t t p ttin f t am p li fiers and O p en s th e in p u...

Page 10: ...u rn ed to th e 3 1N C d irec ti o n and the b ri ghtn ess of the d i sp l ay de creasest N o rm a Hy th e w h i te m a rk o f th e k n O b i s set at N O R M p o siti o n w h ere n O tc hed at th e m...

Page 11: ...a n d to th e left w ith c O u n te rc 1 0 c k w i se ro tatio n A s ttne and ro u gh adiusim ents are avail ab l e by the d ual kno b by tu rn ing the ou ter k nb b F lN E fi ne adiuStm ent is p O ss...

Page 12: ...el ay ed sw eep r an d the o ther i s trigger de l av ed sw eep N o rm a Hy r th e co ntin u o u s d el ay ed sw eep i s u sed to m a ke a m agn i fied d i sp t ay w h ere th e S T A R T b utto n i s...

Page 13: ...t ay ed sw eep 4 6 R ear P anel tin u o u si y m o ve a nd a rep eati ti ve w avefo rrn is kep t stillw i th o u t ch ange Z t t i i n l h tu d e o f th e sc reen i s ava il a b l e T h e C H 1 0 U tt...

Page 14: ...stru m e nt o p erates ind i cated th e trace ind i cated co rrectl y 10 0 V rating lA ti m e t ag ty p e A fte r th e in i ti a lsetting are co m p l ete ap p l y th e p o w e r o f th e rating vo l...

Page 15: ...IG lN P U T S O U R C E C O U P L iN G F IN E J L S et the wvh i te p o i nt fu H cou nter cl ockw i se to P R E S E T po si ti o n notched Pu sh in A U T O F u H co u nterci ockw i se to N O R M p os...

Page 16: ...ut capaci tan ce 20 4 0 p F A tten uati o n facto r 1 10 2 F req ue ncy range D C 4 0 hl lH z X l X 10 ind i catio n 2 A t X l inp ut resi stance lM in p ut cap aci tance 2 50 p F o r l ess F req u e...

Page 17: ...d to 1 10 thi s m ust be taken into acco u nt in a H m easu rem e nts 5 5 G ro u nd C o n nectio n Stral ght ttp F o r gro u nd co n necti o n u se the sho rtest po ssib l e w ire as d escribed in S e...

Page 18: ...o f sy nch ro n i z ing sw eep G eneratl y fo r w avefo rm s w h i ch have a freq u ency o f 50 H z o r m o re and are no t co m p tex u se A U T O sy n ch ro n i zati o n A t A U T O sy nc h ro n i...

Page 19: ...lrp O Sed w i th n o i se such as o f h i gh freq u ency th e H F R E fu ncti O n sh o u l d b e se l ected T h e sy nc h ro n i zati o n signa 1 9o es th ro u gh th e 10 w p ass fil ter and th e u n...

Page 20: ...ati ve sl o pe secti o n w i th ji ttering F i Startin g at po si ti ve si o pe 11 11 T t tggerin g p u t ses bY u n req u 1 1 n 8 oF F k n o b 17 C O rrect F o r co rrect d i sp l ay of th e trace th...

Page 21: ...o f th e triggerin g p u i ses ap p lied to th e B T lh 1E T h e si gna i so u rce an d co u p lin g fo r th e sy nch ro n i zati o n si gnal o f th e B T IM E are the co nlr o n w ith that o f th e A...

Page 22: ...i tch at D C and read the sh i ft of the trace o n the screen 6 3 D C A C Peak V o i tage M ake m easu rem e nt using the D C and the G N D as i n the case of the m easu rem ent of D C vo t tage f f...

Page 23: ...o bservatio n o f a p o rtio n o f a w avefo rrn T h i s i s esp ec i a y co nven ient w h en the e n i argem e nt o f a p o rtio n o f a u a vefo rm aw ay fro rn i ts sy n c sw eep startin g p o int...

Page 24: ...i cated by the S tep 3 ab o ve i s en i arged and d i sp l ay ed o n the screen T r 50 s di v X O 5 di v 25 s 6 6 3 0 n M ax i m u m sw eep 0 2 s d i v fo r bo th A an d B L B O 5 24 L T he l im i t...

Page 25: ...i s ti rne 36 0 i s d i s p l aV ed in 8 d i v X 10 T hen 4 M 2 f 6 8 M easu rer l ent o f Ph ase D i fference by X Y O perati o n T he p hase d i fference betw een tw o si gnal s o f the sam e frequ...

Page 26: ...i n thi s secti on be m ade by th e sp ec i ali sts suc h as th e L E A D E R s service engin eers B efo re m a k in g th e interna l adju stm e nts the p o w er o f w ith in 3 o f the rating vo i tag...

Page 27: ...E V R 4 M A G C E N T E R V R 5 T 2503 PO W E R C R T PC BO A R D C Om ponents si de vi ew iN T E N A S T G V R V R 4 V R 2 H V A D T 2 5 5 4 V A M P P C B O A R D C o m p O n e n ts sid e view C E N...

Page 28: ...tches to G N D S et bO th th e O A C G N D D C V O LT S D iV sw i tches to 5 m V d i v range T u rn bo th the O V A R IA B L E k no bs fu co u nter cl ockw i se p 1 rnid d l e o f the screen h ei g ht...

Page 29: ...9 C O N N E C T O N D A G R A M A N D SC H E M A T iC S l 1 it t r H O 1 26...

Page 30: ...2 27...

Page 31: ...Y 8f 5 i j 1 A 28...

Page 32: ...05A 29...

Page 33: ...F t t M 2 F RO M 1 2502A i c 2 3 91 30...

Page 34: ...Y O K O H A M A A P A N P H O N E t0 4 5 5 4 1 2 1 2 1 T E L E X 4 7 8 0 J P L E A D E R L E A D E R IN S T R U M E N T S C O R P 3 8 0 0 S E R A V E N U E H A U P P A U G E N Y 1 1 7 8 8 U S A P H O...