Krell KSA100 EUR 1989.pdf

4K72K+38V6. + Uref2K. + Uref19V32SC22402SC22404K72SK1632SK163+ input1K47R547R51K- input68047K547K56801047R547R52SJ442SJ444K72SA9702SA970. - Uref19V34K7. - Uref2K2K-38V6Krell KSA100 EUR 1989Input Buffer2SJ44 (NEC) = IFR44 (www.interfet.com)NEC-jFETs 2SK163/2SJ44 Replacement:http://www.semicon.toshiba.co.jp/openb2b/websearch/productDetails.jsp?partKey=2SJ103http://www.semicon.toshiba.co.jp/openb2b/websearch/productDetails.jsp?partKey=2SK246J13

MJE15030+76V+38V61K1Kto in bal-unbal transf.>-out 1 >+out 22K1K4K71N5366B100n. + Uref2SA968. + Uref2SC22402SC2240+38V62SC22402SC224047R52SC224075K1K100K75K2SA9702SC224047R525K5after warmup adjustto 0VDCat output10K2K2SK16320047K547R5100K47R52SA97010µf2K2SJ44+ 470/252SA9701K-38V62K2SA9702SA9702SA9702SC2238. - Uref. - Uref>+out 3>-out 4to in bal-unbal transf.2K1K100n1N5366B-38V61K1K4K7MJE15031-76V20p1K27K4. NFBKrell KSA100 EUR 1989Voltage Gain StageZero DC Servo

+76VMJE150301K1K+470/63100 100100nMJE150302K+97V6802SA9682SA9681N5374B6202,P1greyVN0210N5< -in 1 VN0210N5 < +in 21K1Kfrom out 1 - 2,Voltage Gain Stage10KMJE15031to base, MJE15030,Power Follower Unit,Driver Stagetop view5K36adjust to 0,4A foreach of all six pairsof MJ15024/MJ15025(400 mV by all 1 OhmResistors, whole idlecurrent: 2,4A)2K49MJE150305K4K02. NFB4 brown3 orane2 grey1 N.C.P1 white con.orangefrom Power out 3,P15K361K1K< +in 3 < -in 4VP0210N5from out 3 - 4,Voltage Gain Stage62010K4,P1to base, MJE15031,Power Follower Unit,Driver StagebrownVP0210N51N5374B6802SC22382SC2238100n2K1K1K+470/63100 100MJE15031-97V-76VMJE15031VN + VP 0210N5: Supertex Inc.http://www.datasheetcatalog.com/datasheets_pdf/V/N/0/2/VN0210N5.shtmlhttp://www.datasheetcatalog.com/datasheets_pdf/V/P/0/2/VP0210N5.shtmlKrell KSA100 EUR 1989bal-unbal transformerpower voltage gainstage and Bias

ed4,P3+49VMJE15030MJ15024x6frompowervoltagegainstageto 3,P1frompowervoltagegainstageMJE1503047R547R547R547R5MJE15031brown 5,P3orange 3,P3P3 brown connector1 grey2 blue3 orane4 red5 browntop viewgrey 1,P3111 1 1 1 11 1 1 1 1...............1Kto DC- andovercurrentsensorto Rel.switchMJE150316xMJE15025blue2,P3-49VKrell KSA100 EUR 1989Power Follower Unit

SK70BSemikron40.000uF/90V++49VPower Supply forPower Follower UnitMainTransformerSK70B: larger rectifiercompare to orig. version-49Vhttp://www.semikron.com/internet/ds.jsp?file=962.html4x 1N5408++40.000uF/90V++8x+470/100++ +++97V-97VKrell KSA100 EUR 1989Power SuppliesPower Supply for all unitswithout Power Followerand Protect unitsorangeblack1N5408yellow+1K470/25470/25++13V1N5408High PowerRelais1KyellowMJE150302SC2240.......100KPIN1,NTE947Power Supply forProtect Unitand RelaisDriver Stage2 8 2 8+ NTE947 ++NTE947+1N47431N4743510 105-13V

230VACL2L1OSRAM 64560750W 230VR7S-15 FS1OSRAM 64560750W 230VR7S-15 FS1S3S2sequence on: S1-S2-S3sequence off: S3-S2-S1main switchshort stripmain switchshort stripmain switchKSA100low frequency< 300 wattsidle powerKSA100midrange< 300 wattsidle powerKSA100high frequencyS1short strip< 300 wattsidle powersolution for simple but effectice inrush currentlimiter to switch on simultaneous three KSA-100units without any current transients=======================================================================================yellowHigh PowerRelais35K7470/25+ +470/251K2KSumming ampyellow.low pass filter. NTE947. 1420KMJE15030.2SC2240100K.3Relais. Predriver StageDriver Stage .+13VKrell KSA100 EUR 1989Protect Unit IISumming amp, low passfilter and Predriver Stage20K9NTE94747K5+470/2520K6710K20K. inputfrom outDC andovercurrentsensorhttp://nte01.nteinc.com/nte/NTEMasterxRef.nsf/f5c1eb36d4d2eff185256b3a006a3555/8ca4e2f79cb8fc8485256a55006d182d?OpenDocumenthttp://www.alldatasheet.com/datasheet-pdf/pdf/NTE/NTE947.html

116x MJ150241 1 1 1 11 1 1 1 16x MJ15025+49V...............-49Vbluegrey1K25R5 61R9 1K21 249+13V6K84K74K747/100+2µ10079DC-Sensor6+13V+13V5K910K 10IL74100KNTE9472K. out========Power Follower Unitsboth channelsto inputsumming ampnormal operate: 13Voverload: 0 - 0,1V2SC2240cut116x MJ150241 1 11 1 16x MJ1502511+49V......1 ....1.....-49Vbluegrey1K25R561R9-13V1K216K84K72494K747/100+2µ100DC-Sensor4 3110KNTE94710100K+13VIL745K9Krell KSA100 EUR 1989Protect Unit IDC and Overcurrentsensor CH L + R