Tektronixメーカー1740A/1750Aの使用説明書/サービス説明書
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Us er Man u a l 1740A/1750A Serie s W av eform/ V ector Mo n ito r 070-8470- 06 Thi s doc ume nt s uppor t s f i r m wa r e ve r s i on 2. 2 a nd a bove . ww w .t e kt r oni x.c om Test Equipment Depot - 800.517.8 431 - 99 Washington Street Melrose, MA 02176 - FAX 7 81.
i 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Gener al Saf ety Summar y Revi ew the foll owing safet y prec aut ions to a void i njury a nd preve nt da ma ge t o thi s product or a ny product s connec te d to it . T o avoi d pote nti al haz ards, use t his product only a s s pecif ied.
Ge ne r al Saf e t y Summ ar y 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l ii The com mon t erm ina l i s at ground pot ent ia l. Do not conne ct the commo n termin al to elevated vo ltages . Do Not Ope r a te W itho ut Co ver s.
Ge ne r al Saf e t y Summ ar y iii 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l CA UTI ON. Caution statements identify c onditi ons or practices tha t cou l d r es ul t i n d am ag e to t hi s p r od uct o r o ther pr o per t y .
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l v TA B L E O F C O N T E N T S Introduction Pr odu ct De sc ri pti on 1- 1 ............................. F eatures 1 -2 ................................. Options 1 - 5 ......
T able of Cont ent s 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l vi Display Mo des 3 - 1 ............................ Ve c t o r 3 -1 ................................. Wa v e f or m 3 -1 ............................. Audio 3-2 .
T able of Cont ent s 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l vii Making Measureme nts Ba sic Measurements 4 - 1 ............................ W aveform Grati cule 4 - 1 ....................... Ho rizo ntal Scale 4 - 1 .
T able of Cont ent s 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l viii Ap p end i ces App endix A P erfo rmance Sp ecificati ons A - 1 ...................... Re liab ility A -1 .............................. Electri cal Specifi catio ns A - 2 .
T able of Cont ent s 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l ix LIS T OF F IGURES Figure 2-1. Mul ti -Use Bezel Controls and But tons. 2-2 ........ Figure 2-2. 1740A Front Panel. 2-3 ...................... Figure 2-3.
T able of Cont ent s 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l x Figure 4-12. T wo-Field SC/ H R - - Y displ ay (P AL). 4-14 .......... Figure 4-13. Audio di splays. 4-15 ......................... Figure B-1. Rear panel REMOTE connect or .
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l xi Pref ace Thi s user manua l is one of a set of two ma nual s tha t docum ent t he T ektroni x 1740A/1750A-Serie s W aveform /V ec tor monit ors.
Pr e f ac e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l xii Ser vice Manual T opics covere d in the servic e ma nual a re as follows: Spe c ific ation s Operati ng In .
Pr e f ac e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l xiii 1750A W a ve f or m / V ecto r Mo n ito r ..
Introduction.
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1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 1 Product Descr iption The 1740A/ 1750A - - Serie s are c ombi nat ion waveform /ve ct or moni tors in ha lf-ra ck siz e pa cka ges.
P ro d u ct D escrip tio n 1- 2 1740A/1750A Ser ie s W ave f or m/V ecto r Mo n ito r U ser M a n u a l Fea tu re s H Composit e or Component W ave form Monitori ng H Co mpo s ite V ecto r D is play H Menu-As sisted Opera ti on al lows expande d fea ture set.
P ro d u ct D escrip tio n 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 3 ma ble and 1 i s fact ory-program me d. The FIL T ER menu als o pr ov ides a ch oice of f ou r filter s in ad ditio n to flat. T wo comb inatio n filter ing mo des can be dis play ed in OVE RLA Y or PA R A D E .
P ro d u ct D escrip tio n 1- 4 1740A/1750A Ser ie s W ave f or m/V ecto r Mo n ito r U ser M a n u a l.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 5 Options Whi te phosphor CR T a nd power cord opt ions are the only opti ons current ly a vai la ble for the 1740A/ 1750A- - Seri es. Fiel d upgrade kit s liste d in t his sect ion c an a lso be used wit h thes e monito rs .
Opt i ons 1- 6 1740A/1750A Ser ie s W ave f or m/V ecto r Mo n ito r U ser M a n u a l CRT Optio ns The s tand ard in s tru ment is s hipp ed w ith a P3 1 (g reen ) phosphor CR T i nstal le d. If Option 74 i s ordered, the instru- me nt i s s hippe d with a P4 (w hit e) phosphor CR T insta ll ed.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 7 Accessori es St andar d Ac ce sso r ie s Thes e access ories are inclu ded w ith the pr oduct : 1 Manual , user: 1740A.
A ccesso ries 1- 8 1740A/1750A Ser ie s W ave for m/ V ecto r Mo n ito r U ser M a n u a l Fie ld Upg r ade Ki t s 1700F00 Pl ain Cabinet — This p lain metal h alf- rack s ize cabinet is p ainted s ilver -gr ay . V en tilating h oles in top, bo ttom, an d s ides o f th e cabin et allow heat gen erated w ithin the in s tru ment to d is s ipate.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 9 Installation Un packin g Save the s hippi ng c art on a nd pa cki ng m at eri al s (inc ludi ng anti- s tatic bag) in cas e it beco mes n eces s ary to s hip the instrum ent t o a T e ktroni x S ervi ce Ce nte r for servic e or repai r .
In sta lla tio n 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 10 cushioni ng on al l side s of the i nstrume nt. 3. Seal t he ca rton with shipping ta pe, i ndustria l stapl er , or both.
In sta lla tio n 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 11 WARNING Mai ns F req uenc y and V oltag e Range The 1740A/ 1750A- - Seri es moni tors opera te at 50 and 60 Hz, over t he ra nge of 90 - - 250 V olt s, without opera tor a djustm ent .
In sta lla tio n 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 12 Mecha nica l Ins tallation A ll qualif ication tes ting w as p erf or med w ith a T ek tro nix 1700F00 cabi net insta ll ed.
In sta lla tio n 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 13 Rackm o un tin g The 1740A/ 1750A- - Seri es m onit ors are hal f-rac k widt h a nd thre e ra ck uni ts high.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 1- 15 Instrument C onfigur ation F ocu s , s cale illumin ation , s ign al inten s ity , rea dout inte nsity , and t rac e rot at ion a re set through t he CR T me nu. Severa l instrum ent ope rat ing para me te rs ca n be s et t hrough the CONF IG me nu.
Getting Sta rted Test Equipment Depot - 800.517.8 431 - 99 Washington Street Melrose, MA 02176 - FAX 7 81. 665.0780 - TestEquipm entDepot.com.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 1 AT A G L A N C E Fron t - P a n el C on trols The foll owing is an ove rvie w of front-pane l c ontrol s. Figure 2-2 shows the 1740A front pane l and Figure 2-3 show s the 1750A front panel .
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 2 H Turn of f i nstrume nt power . H Depress and hold t he CL EA R MENU and WA VE FORM butt ons w hil e you t urn instrum ent power on aga in. Hold both buttons i n unt il the instrum ent ret urns to its norm al op eratin g s tate.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 3 INPUT MUL TIPLE DISPLA Y P A RADE OVERLA Y CH-B3 CH-A3 CH-A2 CH-B2 CH-B1 CH-A1 CH-B CH-A 1740A VECT OR W.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 4 INPUT MUL TIPLE DISPLA Y P A RADE OVERLA Y CH-B3 CH-A3 CH-A2 CH-B2 CH-B1 CH-A1 CH-B CH-A VECT OR W A VEF.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 5 POSIT ION H VERT PO S allo w s th e sig nal dis play to be mov ed ver tically . Of fs ets for chann els A2/A 3 and B2/B 3 are ena ble d through t he CONFIGURE m enu.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 6 REF H EXT toggl es be twee n e xte rnal refe renc e ( EXT LED on ) and in tern al refer ence.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 7 OVE RLA Y OVERLA Y provide s an overl ai d displa y of al l se- le ct ed i nputs. MENU P us h the des ired men u bu tton to en ter that menu an d enab le the as s ociated f un ction s .
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 8 R ear - P anel Co nnect o r s The foll owing is an ove rvie w of rear-panel conne ct ors.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 9 Fu se H The i nstrume nt ’ s m ai ns fuse should be re pla ce d onl y with a 250V , 2A , F-type ca rtri dge fuse. A repl ac e- ment fu s e is inclu ded w ith the ins tru ment.
At A Gl anc e 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 10 A A1 A2 A3 DIE I N DIESE M GERA T E NTST EHE NDE ROHTGENST RAHLUNG IST BESCHLEUNI GUNGSP ANNUNG KLE INE R AL S 20 KV .
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 11 Oper ator’s C heck out Pr ocedure Before proce edi ng, re ad At A Glance s t a r t i n go np a g e2 - 1 .
Ope r at or’ s Che ckout Pr oce dure 2- 12 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l H Connec t the ge nera tor NTSC output (COMP OS ITE for TSG131) to the CH -A input . Connec t the CH -A loop- through t o the EXT RE F input a nd conne ct a 75 Ω te rmi nat or t o t he EXT RE F loop-t hrough.
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 13 Enter th e CRT m enu. DISPLA Y w ill be o utlin ed. A djus t the bezel co ntr ols for o ptimu m fo cus , graticu le s cale illumin a- ti on, a nd signal int ensit y .
Ope r at or ’ s C h eck o u t P ro ced u re 2- 14 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 10 S/ DIV Figure 2 - 6. Cal ibrat or dis play . 5 . Ga in C ontr ol Ther e are th ree calib rated v ertical g ain s ettings available ( X1 , X5 ,a n d X10 ), a s wel l as an i nde pende nt varia ble gai n c ontrol .
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 15 Pre ss t h e MAG button. T he MAG indic at or l ight s and a 1 S/Div sw ee p is displa yed. Use the HORIZ POS c ontrol t o vie w the m agni fie d displa y , the n turn off the MAG .
Ope r at or ’ s C h eck o u t P ro ced u re 2- 16 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l cont rol to move t he cursor away from grati cul e ce nte r , and the c ent er bez el c ontrol t o move the c ursor around the gra ti - cul e ce nte r point.
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 17 10 S/ DIV FLA T LUM CHROM DIFF R- - Y SCH R - - Y F+L F+L+C Figure 2 - 7. T wo-Line L UM filt er displ ay of col or bar s ignal.
Ope r at or ’ s C h eck o u t P ro ced u re 2- 18 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Se l e c t F+L + C ( FL A T plus LU M plus CHROM ). The dis play is s imilar to the F+L dis play , w ith the chr omin ance- filter ed signal adde d on the right .
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 19 VECTO R PHA SE FLA T LUM CHROM DIFF R- - Y SCH R - - Y F+L F+L+C Figure 2 - 10. T wo-Line R - - - Y displ ay of col or bar s ignal.
Ope r at or ’ s C h eck o u t P ro ced u re 2- 20 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l VECTO R PHA SE FLA T LUM CHROM DIFF R- - Y F+L F+L+C SCH R - - Y Figure 2 - 12. T wo-Field SC/H R - - - Y dis play ( P AL), sho wing pro per SC H phase.
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 21 LINE SEL ALL 131 FIE LD ALL 1OF 2 1OF8 1OF4 1H 15H -- -- 1 4 5 Figure 2 - 13. Line Select displ ay with 1 5H s elec ted, in 2 FI ELD sweep.
Ope r at or ’ s C h eck o u t P ro ced u re 2- 22 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l VECTO R PHA SE Figure 2 - 14. Vectorscope color b ar d isp lay . Figure 2 - 15. Pict ure mode display of co lo r bar signal .
Ope r at or ’ s C h eck o u t P ro ced u re 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 2- 23 1 2 . A udio D is pla y T o obtai n an a udio di splay , conne ct the le ft a nd right audi o signal s to the rear-panel REMOTE connec tor as foll ows : +Y to pin 8, - - Y to pin 9, +X to pi n 10, a nd - - X to pin 1 1.
Ope r at or ’ s C h eck o u t P ro ced u re 2- 24 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l VECTO R PHA SE Figure 2 - 17. N TSC SC/H displ ay with internal r eferenc e selec ted. VECTO R PHA SE Figure 2 - 18. P A L SC/H dis play .
Oper at ion B asics.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 1 F unctional Overview The “ F unct iona l Overvie w ” s ection des crib es the fro nt- and rea r -pane l func ti ons in grea te r det ai l t han t he “ At A Gla nce ” sect ion.
F u n ctio n a l O verview 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 2 ca n be a ct iva te d and posit ione d for refe renc e or m ea sure- me nt. LINE SE LEC T i sd i s c u s s e do np a g e 3 - 1 4a n d CURSORS are dis cus s ed on p age 3- 8.
F u n ctio n a l O verview 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 3 Ti me C ode Lon gitu din al time cod e is mo nito red in a f rame- rate d is play to a ll ow obs erva ti on of am pli tude , synchroni za ti on, a nd phase wit h respec t t o refe renc e ve rti ca l sync.
F u n ctio n a l O verview 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 4 Inputs A1 , A2, A3 , and B1, B2, B3 a r e d e s i g n e dt ob e u s e da s thre e-wire input s for c ompone nt s igna ls.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 5 Using the Menus G ener al menu inf or mation h ere is f ollo w ed by d etailed inform at ion a bout each menu: FIL TER, CURSOR, L IN SEL , PRESET , CONF IG, G AIN and CRT .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 6 CRT , PRESET , an d CONFIG menus wil l be e xit ed compl et el y when anot her m enu but ton i s pus hed.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 7 menu f un ction is still in ef fect (LED is lighted ), pu s h the me nu butt on to bri ng bac k the full displa y , the n push it a gai n to exit the menu .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 8 H F+L+C — d is play s the video s ign al flat, lumi- nan ce filter ed, an d ch ro minan ce filter ed. The s ignal is displa yed i n para de or ove rla y mode , a s s el ec te d through t he on-scre en m enu.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 9 VERTPO S HORIZ POS CL EAR MENU AMPL ITUDE PHASE VECTOR PHAS E Left Cent er R i ght VEC CURS O R POLAR MARK AMPL 75.0IRE PHASE 145.0 ° Figure 3 - 2. Th e VEC TOR C URSOR me nu.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 10 H When timin g cur s or s ar e selected ( TIME ) , the left bezel co ntr ol is us ed to ad jus t .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 11 VERTPO S HORIZ POS CL EAR MENU VOL T1 VOL T2 TRAC K ∆ V 700 mV VOL T TIME MARK V+T W FM CURS O R VEC CURS O R POLAR MARK CO NT RO L VOL T TIME Vo lt a g e C u r so r 1 Vo lt a g e C u r so r 2 Tim ing Cursor 1 Tim ing Cursor 2 Figure 3 - 4.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 12 The re a re t wo vect or cursor displa ys: POLAR and MA RK . (The VECTOR PHA SE be ze l cont rol cont inue s to adj ust the phase of the signal . ) Pola r Cu rso rs can b e us ed to meas ure th e amplitu de an d phase of the chrom ina nce signa l.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 13 If it beco mes n eces s ary to co mpen s ate for min or s hiftin g of ma rkers due to drift or ex.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 14 Line Sel ec t Menu Push i ng t he LIN SE L menu bu tton en ables the line select mod e and provide s the l ine sel ec t me nu display . T he mi ddle be ze l cont rol is ass igne d to s el ec t the l ine num ber .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 15 When bezel butto ns co rr es ponding t o N EX T FIEL D , A L T2F I E L D ,o r A L T4F I E L D are pushed, a box fla shes mom ent ari ly a round the on-scree n la bel to ve rify that the s election h as b een made.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 16 Preset M enu The 1740A/ 1750A- - Seri es ha s 10 pre sets c apa ble of stori ng front-pa nel set ups. Nine of the pre sets are user -program - ma ble a nd one is fac tory pre-progra mm ed.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 17 Recal l U s e the lef t bezel co ntr ol to s elect (ou tline) a p res et for r e- call. Pu s h RECA LL to recall the sto red in s tru ment con fig ur a- ti on.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 18 Co nfig ure Me nu Push t h e CONFIG butt on to di splay t he c onfigure me nu, show n in Figure 3-6.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 19 VERTPO S HORIZ POS CL EAR MENU Bezel Bu tton s Left Cent er R i ght INPUT VECT OR FORM A T ST AND.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 20 Ta b l e 3 - 1 . V alid F O RMA T s elect ions .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 21 OFFS ET H The V ERTICA L POSITION c ontrol norma ll y positi ons al l channe ls t oget her .
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 22 Additi onal choi ce s appe ar w hen CA L SIG or GA IN C A L is turne d on: CAL S IG ON H In waveform mode , t he user c an set the ca li brat or freque ncy t o 100 KH Z or to FS C O S C ( FSC OSC = 3.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 23 REMO TE H The curre ntl y opera ti ng software ve rsion is dis- pla yed i n the lower ri ght c orner of t he scre en. H Thr ee menu ch oices are availab le.
Us i ng t he Me nus 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 24 Gain M enu H A ny o ne of th ree calibr ated gain r atios can be selected : X1 , X5 , or X10 . V aria ble gai n is al so avai la ble , i ndepe n- dent of the othe r gai n sett ings.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 3- 25 Remote Oper ation The 25-pin re ar-panel REMOTE connec tor i s a s ubmi nia ture D -type c onnec tor . It a ccepts th e i nput for RGB/YRGB st a i r- cas e, exter nal h or izon tal, remo te s yn c exter nal b lank ing , time code , and Le ft and Right a udio.
Making Mea surements.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 1 B asic Mea sur ements B asi c M e asu r e me nt s c onta ins 1740A/1750A - - Serie s grat ic ule descri pti ons, foll owed by speci fic me asurem ent proce dures. Thi s moni tor us es a n i nte rnal grat ic ule , w hic h c ombi nes wa- veform a nd vect or marki ngs.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 2 NT SC V e r ti c a l Sc a l e s The NTSC grati cul e is s hown in Figure 4-1. The l eft side of the gr aticule is s caled in IRE un its an d exten ds fro m - - 50 to +12 0 IR E in 10 IR E incremen ts .
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 3 P A L V er tica l Sca le The P A L grat ic ule i s show n in F igure 4-2. On the le ft side of the P A L grat ic ule i s a volt age sca le t hat e xte nds from 0 to 1.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 4 Dual - Standard V ertic al Scal e The dua l-sta ndard grat ic ule c ombi nes the NTSC and P AL scal es. The NTSC s ca le i s on the le ft side; t he P AL scal e is on the right .
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 5 Maki ng W ave fo rm Measur eme nt s Horizontal Sync Amp litude The ver tical scale at sy nc tip (4 0 IR E NTS C or - - 0.3 V P A L) provide s ± 2a n d ± 4I R E( ± 2a n d ± 4 mV) for me asuring sync am pli tude .
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 6 T o me asure the K -- Facto r line-time d is tortion , meas ur e the lar ges t deviatio n of th e bar top ( tilt or r ounding) withi n the struct ure.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 7 V ecto r Graticule The V ECTOR d is play per mits meas ur ements o f hue in terms of the rel at ive pha se of the c hromi nanc e signal wit h respect to th e colo r b ur s t.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 8 R ° ° ° ° ° ° ° ° Figure 4 - 4. V ecto r tar gets - - - N TSC values ( P AL values in parent heses ).
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 9 M a k i n gV e c t o rM e a s u r e m e n t s Chroma Bandw idth The h or izon tal and v ertical ax es o f th e vecto r g raticu le cont ai n ma rkings for che cki ng chrom a ba ndwidth.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 10 Maki ng SC / H Phase Me asur em ent s (1750A - - - Series Onl y) The SC /H displa y provide s a vec tor di splay of t he subca rrie r - to-hori zont al -sync phase rela ti onship.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 11 VECTO R PHA SE Bur st V e c to r Sync D ot 0 ° Axis Sync D ot Rela tiv e angle i ndi cates d e g r e eo fS C / Hp h a s e . Figure 4 - 6. NTSC dual -do t SC/H displ ay .
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 12 PA L The 1751A uses a s eri es of dots around the compa ss ros e with a single dot i n a blanke d area t o denote sync (see Figure 4-8).
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 13 VECTO R PHA SE FLA T LUM CHROM DIFF R- - Y SCH R - - Y F+L F+L+C Bur st Hor iz ontal Sync Figure 4 - 9. T wo-Line SC /H R - - - Y dis play ( NTSC), wit h pro per SC /H phase.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 14 VECTO R PHA SE Figure 4 - 11. T wo-Field SC/H R - - - Y dis play ( NTSC), s howing appr oximate 10 ° ph ase e rror . VECTO R PHA SE FLA T LUM CHROM DIFF R- - Y F+L F+L+C SCH R - - Y Figure 4 - 12.
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 15 Maki ng Audi o Measur eme nt s An audio signa l wit h no phase e rror appe ars as a stra ight li ne ext endi ng from t he a udio box i n the upper ri ght c orner of t he grat ic ule to t he box i n the lower l eft .
B a sic Mea su rem en ts 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 16 T im e Co de Display Li nea r Time Code, al so know n as Longi tudi nal Time Code (L TC), is an 8 0- bit s ign al with in fo rmatio n w hich mak es it poss ibl e t o ac cura te ly i dent ify a n indi vidua l fra me of re- corde d vide o.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l 4- 17 Calibr ation Instrume nt gai n may requi re rea djustm ent for speci al m oni- tori ng appl ic at ions. T o prevent errone ous mea sureme nts, gai n should be a djuste d only by qua li fie d personnel .
C a lib ra tio n 4- 18 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Se t Hor i zon t al Gai n 1. T o s et horiz onta l ga in, push the CONFIG menu butt on. Sele ct CALIBRA TE , the n CAL SIG ON and 100 KHZ . Se l e c t GAI N CA L ON .
Appendices Test Equipment Depot - 800.517.8 431 - 99 Washington Street Melrose, MA 02176 - FAX 7 81. 665.0780 - TestEquipm entDepot.com.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l A- 1 A ppen d i x A P erfor mance S pecif ication The s pecificatio n tab les u s e the f ollo w ing ab br eviatio ns : P erformance Requirement (Req) .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 2 1740A/1750A Ser ie s W ave f or m/ V ector M o n ito r U ser Ma n u a l Electr ical S pecificat io ns T able A - 1: Wavefor m V ert ical Deflection CA T EGOR Y DESCR IPTION D eflectio n F acto r Req: 1 V full scale (X 1 ): 1 v o lt i nput di s pl a ye d wi t h- i n 1% of 140 I RE ( 1.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 3 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 1: Wavefor m V er tical Deflection (Cont.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 4 1740A/1750A Ser ie s W ave f or m/ V ector M o n ito r U ser Ma n u a l T able A - 1: Wavefor m V er tical Deflection (Cont.) CA T EGOR Y DESCR IPTION T r a ns i e nt Re s pons e Req: P u lse-to -B ar R atio 0 .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 5 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 1: Wavefor m V er tical Deflection (Cont.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 6 1740A/1750A Ser ie s W ave f or m/ V ector M o n ito r U ser Ma n u a l T able A - 3: Wavefor m Horizontal Deflection CA T EGOR Y DESCR IPTION .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 7 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 4: Measurem ent Cursor s CA T EGOR Y DESCR IPTION W avefo rm A ccu racy Req: V o ltag e: 0 .5 % T i mi ng: 0.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 8 1740A/1750A Ser ie s W ave f or m/ V ector M o n ito r U ser Ma n u a l T able A - 6: Calibrator CA T EGOR Y DESCR IPTION W a ve f or m Squar e W ave Req: Ampl it ude: 1.0 V ± 0. 5% Req: Fr e que nc y: 100 kHz ± 0.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 9 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 7: V ect or Mode (Cont .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 10 1740A/ 1750A Ser ie s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 8: Audio Mode CA T EGOR Y DESCR IPTION I nput RI: D C cou p led , d ifferential i nput I nput I mpe danc e RI: 20 k Ω F u ll S cale S electio n RI: 0 , 4 , 8 , & 1 2 d B m fu ll scale.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 11 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 10: SCH Phase Mode (1750 - - Series O nly) CA T EGOR Y DESCR IPTION A b so lu te A ccu racy Req: ≤ 5 ° RI: A p p lies o v er a temp eratu re ran g e o f 0- -5 0 ° C RI: C alib rated at 25 ° C.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 12 1740A/ 1750A Ser i e s W av ef orm / V ector M o n ito r U ser Ma n u a l T able A - 12: Power Source CA T EGOR Y DESCR IPTION Main s V o ltag e R an g e Req: 90 - - 250 V RI: Cont i nuous ra nge f rom 90 to 250 V ac Ma ins Fr eque ncy RI: 50 or 60 Hz .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 13 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T able A - 14: Physical Char acter istics CA T EGOR Y DESCR IPTION Di me nsi ons Req: Hei ght: 5 1/ 4 i nc he s (133.
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 14 1740A/ 1750A Ser i e s W av ef orm / V ector M o n ito r U ser Ma n u a l T abl e A - 15: Cert ifications and com pli ances (cont .
A p p en d ix A: P erfo rm a n ce S p ecifica tio n A- 15 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l T abl e A - 15: Cert ifications and com pli ances (cont .) CA T EG ORY STANDARDS OR DE SCRI PT I ON Safety Standards U.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l B- 1 A ppen d i x B Remote Connector s R em o t e Co nnect or The rea r -pane l RE MO TE conne ct or (show n in Figure B-1) is a 25 -p in s ub min iatur e D -ty pe w ith female co ntacts .
A p p en d ix B: R em o te C o n n ecto rs 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l B- 2 Ta b l e B - 1 . R emote Pin Func tio ns and Signal R equirements ( Co nt.) Pin No. Mi scell aneous Information Signal Requi rement Function 4 External Blank- ing I nput Negati ve-going signal Enabled by m enu select ion.
A p p en d ix B: R em o te C o n n ecto rs 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l B- 3 Ta b l e B - 1 . R emote Pin Func tio ns and Signal R equirements ( Co nt.) Pin No. Mi scell aneous Information Signal Requi rement Function 19 Preset 3 Ground ( TTL low) Gr ounding pi n 19 recalls set up from preset 3.
A p p en d ix B: R em o te C o n n ecto rs 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l B- 4 R em o t e Co nnec t o r Co nver t er Whe n t he 1740A / 1750A - - Serie s .
A p p en d ix B: R em o te C o n n ecto rs 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l B- 5 R S232 Con ne c t or The seri al i nte rfac e has a driver buil t in for RS 232 s eri al bina ry data i nte rcha nge. T he opera ti onal m ode is full du- ple x.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 1 A ppen d i x C User Service Thi s sect ion conta ins i nstruct ions for us er and pre vent ive ma int ena nce . If t he instrume nt does not functi on prope rly , i t should be re ferre d to qua li fie d servic e pe rsonnel or re turne d to T ekt ronix for servi ce .
A p p en d ix C: U ser S ervice 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 2 Graticule L ight R epla cement Repl acement Bulbs Rep lacement bulb s are su pp lied with this in s tru - me nt as S ta ndard Acce ss orie s.
A p p en d ix C: U ser S ervice 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 3 3. T o remo ve a b ulb , po s ition th e tw eezer tip s o n th e thin , fla t porti on of the bul b (close to the pl asti c socket ). Care full y pull the bulb stra ight out.
A p p en d ix C: U ser S ervice 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 4 Cl eani ng The instrum ent should be c le ane d ofte n enough t o preve nt dust and dirt from ac cum ula ti ng.
A p p en d ix C: U ser S ervice 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 5 CA UTION A 2% RMA fl ux conte nt s olde r is r ec omm ende d f or making r epai rs in thi s instrum ent . Cle aning of r os in r esidue is not r e commended.
A p p en d ix C: U ser S ervice 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l C- 6 6. Repl ac e t he be ze l a nd bez el screws. Tight en scre ws (8 in lbs ). 7. Repl ac e t he pa nel bel ow the CR T , and pre ss on both the rig ht an d lef t s ides of th e pan el un til it s nap s in to p lace.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l D- 1 A ppen d i x D S oft w are V ers io n T able D- - 1 deta il s software rele ases from SN B010100 t o pr es ent. If a new releas e o ccur s after this man ual is prin ted, a revis ed T ab le D- - 1 will be s hip ped w ith the manual.
Appe ndi x D: Sof t war e V e rs ion 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l D- 2 T able D- 1. Soft wa r e R e le a s es (C ontinue d) V er- sio n Comm e nt s Mod No.
Glossary.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l G- 1 Glossar y AC Coupled A conne ct ion w hic h re move s the consta nt volt age (DC compone nt) on whic h the signal (AC compo- nent ) is ridi ng. Us ual ly i mpl em ent ed by pa ss ing t he signa l through a ca pac it or .
G lo ssa ry G- 2 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Br eezew ay The porti on of the vide o signal which l ie s betw een the tr ailing ed ge o f th e hor izon tal s yn c pu ls e and the start of burst. Bree ze way is part of bac k porch.
G lo ssa ry 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l G- 3 Color Diff ere nce S ignals Signal s used by color te le vision system s to conve y col or inform at ion i n such a way that the s ign als g o to zero w hen ther e is no co lor in th e pic ture .
G lo ssa ry G- 4 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Distortion If a sine wave of a s ingl e freque ncy is put into a s ys tem, and h armo nic co nten t at multip les o f th at fr equ en- cy appe ars at the out put, t here i s harm onic di storti on present in the s ys tem.
G lo ssa ry 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l G- 5 Gen Loc k The proce ss of locki ng both sync a nd burst of one signa l t o sync and burst of a nothe r , m aki ng the two signal s com ple te ly s ynchronous.
G lo ssa ry G- 6 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Lu mi nan ce The signal which represent s bright ness, or the am ount of light i n the pic ture . Thi s is the only signal re - quire d for bla ck a nd white pic ture s, and for c olor system s it is obtai ned as a w ei ghte d s um (Y = 0.
G lo ssa ry 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l G- 7 Quadra ture Distort ion Dis tortio n res ulting f ro m the as ymmetr y of s ideban ds us ed in ves tigial sid eban d televis ion tra nsmission.
G lo ssa ry G- 8 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l Sub carr ier The m odula ti on sideba nds of the c olor subca r- rie r cont ai n the R - - Y (V ) and B - - Y (U) informa ti on. For NTSC, subcarri er fre quenc y is 3.
G lo ssa ry 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l G- 9 V ert ical I nt erval The synchroniz ing i nforma ti on which app ears b etw een fields an d sig nals th e pictur e monito r to go bac k to t he t op of the scree n to be gin a nothe r vert ic al scan.
Index.
1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l I- 1 Index A A123/ B123, 2- 6, 3-4 Acce ssor i e s, 1 -7 field upgr ade k its , 1-8 inc oming ins pec tion lis t , 1- 9 opt.
In d ex 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l I- 2 Dimens ions , A -13 Dis play modes , 2-5, 3- 1 Dual- s tandar d grat ic ule, 4- 8 E Elec t ric al ins t allati.
In d ex 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l I- 3 M Magnifier , 2-5, 3- 4 Mains f requenc y, 1-1 1 Manual, part number s , 1-7 Mark er s , 3-9 Meas urement C ur.
In d ex 1740A/ 1750A Se r i e s W av e f or m/ V ecto r Mo n ito r U ser M a n u a l I- 4 RS 232 connec t or , 2- 9, B- 5 S Sc ale illuminat ion, 3- 24 SC H dis play , 2-5, 3- 2 SC H phas e measur eme.
デバイスTektronix 1740A/1750Aの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Tektronix 1740A/1750Aをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはTektronix 1740A/1750Aの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Tektronix 1740A/1750Aの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Tektronix 1740A/1750Aで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Tektronix 1740A/1750Aを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はTektronix 1740A/1750Aの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Tektronix 1740A/1750Aに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちTektronix 1740A/1750Aデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
