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Now downloading free:Farnell TSV70

Farnell TSV70 free download

Computer power supply, dc power supply, atx , switching, high voltage, uninterruptible power supply, laptop and other service manual and repair information.

File information:
File name:TSV70 MK2 - 11-15.pdf
Size:2131 kB
Model:TSV70 🔎
Original:MK2 🔎
Descr:Instruction manual (includes schematics) for the TSV70 Power Supply made by Farnell UK.
Group:Electronics > Consumer electronics > Power supply
Multipart: 0  1  2  3

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Decompress result:OK
Extracted files:4
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TSV70 MK2 - 1-5.pdfFA$SEI,I. INSTRT'UENTS LIITITED INSTRUCTION },TANUAI FOR STABITXSED VOTTAGE SI'PPLY TY?E TSV.7O UK. II. FARNELLrNsrRItuENts LrurtEP. Sandbeck Way, l{etherby, YorkshLre. LS224DHTelephone Wetherby 0937 35{1 (0 llnes) - c o N s E f l T ' S SECTION 1 rllTRoptrcTlgN.. .. .. sEqtroN 11 SEqrIoN -td;l' sEcrIoN Iv SKItrON:V sEgrIoN vr OPERAIING INSTRUCTIONS CIRCUIT, DESCRTPTON - '. SPECIFICATION. . .. . SEIiIIMI ItP -PROCEDURE, ,.. APPUTCAfIODTS AND. TYPICAL PERmm|AldCB. gEggrgr-]. INgBgPgggIgN. i Th supply tyPe TSV.7O l{k. II provldes a source of D.C.-voltage variable over two ranges, O to 7O volts stabtllsed currents 5'anPs or O to 35 volts at output at output belng achleved by a currenls up to 10 amps, range sel6ctlon the lnstrument front panel. swLtch on The output voltage ls set by coarse and flne unlt fronl panel, and ls contLnuously varlable on the each range. controls over allowlng An outpub on/off setltch ls incorporated' to !e dlsconnected frqrr the supply wlthout
TSV70 MK2 - 11-15.pdf.{} ' and an wlth the RN{GE swltch on the,7o\r,,5A positlon aruneter connected across the output aceurate external LruIT '.boittrol to gtve a ad1ust the "CIAREDS1 termltt"i", the set T1o3 untll on thls tneter. readlng of 5 "rp" scale) panel anrneter reads 5 amps (full front . . - 9 -g' SECTION Vl g}lrgNg Igg$a! -BEBE9BUAUSS-AIP-AB3Ir . I) SERIES OPERATTON Unlts uray be connected tn serles to provlde higher It Ls recommended that a Protectlve otrtput voltages. across the output terminal of each unLt, dlode is. fltted terminal to prevent the supplies cathode to posltive The becoming reverse biased under overload qondltLons. diode should have a current ratLng equal'to the maximum ft ls reconmended that of the unLt. output capabllity not more than three units be series connected. (D 2' PARALLEL OPERATTON to increase the "' Units may be conneCted in parallel them the unLts In order to parallel current capability. should be adjusted for equal output voltage and their In such a outpu
TSV70 MK2 - 16-20.pdf'5 ulilT I uiltT 2 'LttlTs. " u]{tTt ./unrs; coNDucrs ulllT I I -t- , u1{tT2 co$DucTs |I I U1{lT3 cot{DucTs 2 TIGURE - OUTN'T CURRE}IT. PARAIE! OPERATIOI{. 20pSrc. I l.-i soc. 1l0r ; - TYPICAL TRAIISIEXT, nrSpOrSe. frcURE! I4 o I a II o (, 2 t trl A T F t A F D o ;IGURE' - TYPICAL OUTPUT |T?tDAXC: VS FRE(UEXCY. IHR. I I I I uP I ruu roAD r I ! r^". *x ( | .*o o* l,'o'u "n ' ( FIGURE' - TYPICAT OUTPUT VOTTAGI YARIATIOfl Y3 TITE AT COXSTATIT ATIIEIIT TEIPETATUiE. 15 EeE o a! .B tra E e ' e tr, :' E 5 I 0 G tal s o o g 3 () = 2 I l a lo U ' : 2 : 6l o l O x{' t t l F t -(r E?s o s l ! c I a 6 t I a a 3 T E o g t , , a i"' E !;; o oa t 3. b b r E ! T =: < i ro o o olq o
TSV70 MK2 - 6-10.pdfg_ESEI9N__U_L_ CIRCUIT DESCRIPTION The supply consists of a maLns transformer feeding tsro .reservoir capacitor and series regulator bridge rectifler, systems On the 35 volts 1O amps range the outputs of the two .The systems are paralled by switch S1. serles regulator bank driver inputs are paralled by SIA and driven from the main control cl,rcuit board No. l. On the 7O volts 5 amps range the outputs of the two systems are connected Ln serles. The upper system is drlven from the maln control cl-rcult board No. I, and the lower system Ls drlven from circuLt board No. 2. r .1 35 Volts 1O Anps R,ANGE. l{alns Transformer lffl feeds !!RI fr6rn a 37V R.M.S. secondary wJ.ndlng. MR2 ls fed from a second 37V R.M.S. secondary. The negatlves of reservolr capacltors C2l and 22 are connected to the negative output terminal vLa fuse F'2, swltch DlD, current monitorlng reslstor R57, and switch S3. The positLve is connected vla serles regulators W17-23 to the positlve output terminal. The negatives

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