BANG and OLUFSEN BEOLAB Home OWNER Service Repair Manual

BatU&0uberl BEOLAE150, TWE L721" L722, L723,1724,1725 II{DHOLD Diagrammer ...: ... . 4-48 Halvlederoversigt . .. 4-50 Elektrisk styHiste .. 4-52 Mekanisk styHiste .. 4-54 Justeringer ... 4-57 Tekniske specifikationer .. .. ...... 4-57 Servicetips ... 4-58 Isolationstest ..... .. 4-61 4-48 CONIENTS Circuit diagrams Semi-conductorsi .... List of electrical parts . List of mechanical parts . Adjustnents Technical specifications .... Service tips .. ....... 4-58 Insulation test .. .... 4-61 4-48 4-50 4-52 4-54 4-57 4-57 DIAGMIT{FORTU$ING Pi diagrammet er der angivet typenumre pi transi- storerog IC'er i de tilfelde hvor typenummeret er entydrgt for komponenters placering i kredslobet - f,eks. TR20/BC 5578 Hvis positionsnummeret er efterfulgt af en stjerne skal reservedelsnummeret benyttes, da denne komponent er specielt udvalgt - f.eks. TR1021 Koordinatsptem De stsrsteprintplader er forsynet med et koordinat- system. Komponenterne pl disseprintplader er pA diagrammet forslmet med en koordinatbetegnelse, somforteller i hvilket felt pi printpladen de er placeret (mindreskrifftypeendpositionsnummeret - f.eks. B3). kdningsfoftindels€r Ledningsforbindelser pi diagrammet er samlet i "bundter*. De enkelte ledninger er forsynet med koder, der fortaller hvortil de gtr. INTERN FORBINDELSE PA EN DTAGMMSIDE E)(PIITNATION OF DIAGRAM Type numbers of transistors and IC's have been indicated on the diagram in those caseswhere the type number is unambiguous for the position of the component in a circuitry - e.g. TR20/BC 5578. If the position number is followed by an asterisk the spare part number must be used becausethis component has been expecially"selected - e.g. TR102*. System of Co-ordinates The largest PC-boards have been provided with a co- ordinate system. The components on these PC-boards are provided with a grid reference on the diagram indicating in what gnd they are positioned on the PG board (smaller typing than position numbers - e.g. B3). Wiring C.onnections The wiring connections on the diagram are assembledin "bundles". The individual wires are coded to indicate to where they are leading. INTERNALCONNECTION ON ONE DIAGMM PAGE Internal connectionson a diagram page are indicated by a number. The bend of the wire indicates in which direction the other end of the wire mav be found. l l r l 1 2 2 0 n 1 n \ \ / / Interne forbindelser pi en diagramside angives med et tal. Knakket pl ledningen viser i hvilken retning den andenende af ledningenfindes.

4-48 Forsyningsspeqdingetr Supply Voltage En pil og spandingen viser, hvor forsyningsspendiq- An arrow and the voltage show where the supply gerne gfr ind i et prinl voltages are fed to a PCB. Eksempel: (7 CON.) feks. ved siden af forsynings- Example: (7 CON.) next to the supply voltage spendingen angiver det antal stedet, spandingen gtr indicates the number of places where to find the ind pi denne diagramside. voltages in this diagram. Symbol for sikkerhedskomponenter for Safety Components Ved udskiftrting af komponenter med dette symbol When replacing componentswith this symbol compo- skal der anvendskomponenter med samme reserve- nents with identical part numbers are to be used. delsnummer. Den nye komponent skal monteres pi The new component must be fitted in the same way sammemtde som den udskiftede. as the one replaced uArJBBrnqCBrsBn MEAST'RING coNDITIoNS Alle DC spandinger er milt i forhold til stel, All DC voltages have been measured in relation to med voltrneter med en indgangsmodstand pA ground with voltneter with an input resistance of 10 Mohm. 10 Mohms. Spendingerne er milt uden signaltilforing. The voltages have been measured without any supply of signal. \ 4-48 d-

4-49 DIAGMM !] 4-49 -4 r t002&il r Lm(/AUII!/OFF 3 o6 oE )t SlBr cZtsl n nzn-f fr4 I l- I /i\-- I Pl- 7 Pr-1 - (3coN.) i- -l6V l5V t' T 1.'*-.* -ll- r/r A- *r l I Pr-r' A -lsv 6v I I P|.t3 I 'tsv (7CON.) -t5v (6 CON.) ?2-6 E- a- - - PF3 PFN ]7 l''' P2-7 - 4 t- JI I -'.- I ;v' I [' t0 -{ tsv I r,tAx/MtN/uN IuLl€D/t{rx I l-- P3 szAr 3P S3Al {' * ,{.u-- l5v l-llJ t 9 6Tl . E013359 612r 8013370 LINE II{PUT (r t A}IPL. LEVEL INPUT l- I f -[lv J BC 51t iT ,_

4-49 Baru&OuHt [--E: s--l z sr I ooo o t2s2 | 66t 6 | zsr Ilfr 5S/1723 EtPbnqtlon oalho ts ryn$ob ed h thG st: E dmlbn dc synldcs dr tudbb utilirts dqm l'qppoEil: w9rffi/|ta ErpbElion of lht le iynbols @d h thc et: Expbmiin d6 sy[$olrs du tusibl. utili3bs dc foppqFil: Rtpbcc with $m type l5Omitliqrpe.s 250 Elts 3low eihg fts. RcmCcr pqr h tusilt de mm typ. rets.d! et de !5otrilloD€E 250wlb. lR7 8C 5584 fr2l fln fln .ITA 1t?5 oity ffi$'|H ;H' l*" l"

Bang&0uHt SEITfi COITDUCTORS Transistors 4-50 1TR3 %8320396 24 MPF 4392 1TR23 8320646 t$4 BF 858 24 2N 4392 24 2N 5639 1TR24 8320643 2SC 2238A 1TR6 832%il 17 BF 423 1TR25- 8320645 2SC3281 1TR27 1TR7 832015220 BC212B|BK 17 BC212BL 1TR28 8320646 tt4 BF 858 . 20 BC 2518 18 BC 3078 1TR29 2SA 968A 20 BC 5578 27 2SA 844 1TR30- 2SA 1302 1TR32 1TR8- 8320641 sc 2240 GR lTRlO 8320108 20 BC 1728 2TR2 20 BC 1838/BK lTR1l 8320108 20 BC1728 17 BC 1838L M BC 1838/BK 20 BC 2388 17 BC 18381 20 BC 5488 20 BC 2388 20 BC 5488 2TR3 8320595 20 BC 337-40 1TR12 8320152 20 BC212B/BK 2TR4 832U52m BC ?|AB/BK 1TR15 17 BC212BL 17 BC212BL 20 BC 2518 20 BC 2518 18 BC 3078 18 BC 3078 m Bc557B 20 BC 5578 27 2SA 844 27 2SA 844 1TR16 832045417 BF 423 2TR5 8320108 20 BC 1728 2TR6 M BC 183B/BK 1TR17 8320108 20 BC1728. 2TR8- 17 BC 1838L 20 BC 183B/BK 2TR1O m Bc238B 17 BC 183BL 20 BC 5488 m Bc238B 20 BC 5488 7TR1- 'a8320396 24 MPF4392 1TR18 832015220 BC2lzBtBK 24 2N 4392 17 rc212B,L 20 BC 2518 18 BC 3078 m Bc 5578 8320642 8320644 2TR1 27 2SA 844 7TR3 24 2N 5639

4-51 IC,s Diodes Bang&0uHl t834O202 loil CD /t066 BCN 8340240 12l! 1n 320T-15 102 HEF 4066 BP 123 MC 7915 CT 102 MC 14066 BCP 123 UA7915 UC 102 MSM4066RS 1tc2 8340763 138 1f353-TL072 8340048 10i3 MC 1458CP1 103 MC 1458N 1lc3 8340048 10ll MC 1458CP1 1(xl MC 1458P lGt MC 1458 N 103 SFC2458 DC 103 MC 1458 P lGt SFC2458 DC 8340054 19 MPS A13 1tcs 8340004 105 UA 7815 19 TPS A13 105 UA7815 UC 105 LM 340T-15 8300466 8125 C1500 8300058 217 SFD184 209 1N4148 1D2- 8300058 217 SFD184 2D7 215 1N4148 1D12 ztg 1N 4148 215 lN 4148 4D1 8300058 217 SFD'r84 1Dl5 8300409 214 BAV20-25 zr9 1N 4148 215 lN 4148 1Dl6 8300541 z 3v3 1D17- 8300058217 SFD184 5D2 8300497 KBU6D 1D20 209 1N 4148 215 1N4148 1D21 8300407 209 B7J79B12 209 BZ€3B 12 209 7PD 12V * f betyder at statisk elekhicitet kan odelegge komponenten. indicates that static electricity may destroy the componenl bedeutet,da8 statische Elekfrizitiit die Komponente zersttiren kann. signigr que 6lectricit6 statique peut detruire le composanl Speciel udvalgt eller bearbejdet eksemplar. Specially selected or adapted sample. Speziell ausgewfiltes und bearbeitets Exemplar. 2tc1 5tc1 1Dl A A A .A

Bang&Oubsl LIST OF ELECTRICALPARTS Standardresistors: Resistors 5o/o L/2 W 4-52 Resistors 5o/o 1/4 W Amplifier, 8OO2915, PCB 1 Raistats not mentioned are standardraistots 5020363 51.1 ko 1% 1/4w 5020126 U3 ko l% 1/4W 5020126 113 ko l% 1/4w 5020363 51.1 ko 1% 1/4W 5220036 330 ko l0% 1/2W 5020200 2.1kaWo L/4W 5020200 2.1kaLoh l/4w 5370351 220 o20qfro.LW 5020127 l0 ka 5%lW R79 R9s R1 R4 R8 R11 R35 R56 R57 R59 R73 5020633 5370341 R99 5100203 Rl00 5100203 R101 5100203 R102 5100203 R103 5100203 Rl04 5100203 150o 5% 0.35W 100o 20%0.1w 0.47a l0oh2W 0.470l0E62W 0.47o l0c{o2W 0.47o l0o/o?W 0.47a tDVo 2W 0.47 aL0Eb2W c1 c2 c3 u c5 c6 c7 cl0 cl1 cl3 c14 cl5 c16 ct7 cl8 cl9 c20 czr c22 c25 4200477 4.7 yF 2Q% 25Y 4200477 4.7 vF 20%25Y 4100232 100 pF 5% 63V 4000136 22 pF5% 63V 4200423 22yF20%50Y 4010064 560 pF 10%63V 4010064 560 pF 100/o 63V 4010041 10 nF -20+80% 40V 4010041 10 nF-20+80% 40V 4130179 100nF 200/o 63V 4200431 10 pF20% 16V 4130179 100nF20% 63V 4130179 100nF20% 63V 4130179 10OnF2006 63V 4200311 220 pF -10+100% 40V 4200509 33 pF 20%25V 4200311 220 uF -20+100% 40V 4200509 33 rrF 2006 25V 4200704 470 uF2W625Y 4200431 10 pF20% 16V c26 c27 c29 c30 c31 c32 c33 c34 c35 c36 c37 c38 c39 c40 c45 c46 a7 c48 c49 c50 4100234 220 pF 5% 63V 4200476 0.47uF 20%50V 4200665 470 uF20% 6.3V 4010027 1 nF 10%63V 4200652 100 pF20% 100V 4010061 2.2 nF 10%63V 4010061 2.2nF 10% 63V 4010061 2.2 nF 10%63V 4003059 22 pF 5% 500V 4000020 4.7 pF 0.25pF 63V 4010063 4.7 nF 10% 63V 4010024 470 pF 1096 63V 4200478 100 pF20% 10V 4010063 4.7 nF 1096 63V 4130195 ..22 nF 59b250Y 4130155 1 uF 10% 100V 4130308 220 nF 10% 63V 4012002 10 nF -20+50% 400V 4130155 1 pF 10% 100V 4130308 220 nF 10% 63V H} P5 PI n 7220143 Plug 14 pol 7220203 Plug 10/9 pol 7220313 Plw 3 pol. 7220L96 Ptug 4/3 pol. x1 x10 x100 x1K x10K x100x xlM x10M 1.0 t.2 1.5 5011406 5010727 5011000 5011001 5011002 5011013 5011014 5011015 5011028 5011030 5011031 5011044 5011045 5011046 5010313 5011058 5011059 5011069 5010421 5011071 5011083 1.8 2.2 2.7 5010857 501r335 50L0787 5010708 5010803 5011016 5010815 5011018 5011033 5011034 5010055 5011047 5011048 5011049 5011061 5011062 50Lt072 5011074 5011075 3.3 3.9 4.7 5010255 5010765 5011007 5010782 5011009 5011019 5011021 501t022 5011037 5010700 5010035 5011051 5010036 5011063 5011065 5010381 5010392 5011078 5.6 6.8 8.2 5010874 5011010 5011011 5011012 5011023 5011024 5011026 5011041 5011042 5011043 5010810 5010038 5011066 5011067 5011068 5011079 5011080 5011081 x1 xlo x100 xlK x10K x100K x1M x10M 1.0 t2 1.5 50105925010506 5010595 5010468 5010065 5010128 5010057 5010040 5010153 5010247 5010059 5010046 5010053 5010049 5010047 5010063 5010054 5010665 5010093 5010638 1.8 2.2 2.7 5010682 5010925 5010822 5010448 5010403 5010362 5010092 5010000 5010066 5010064 5010298 5010135 5010079 5010141 5010072 5010120 5010083 5010791 5010245 5010431 3.3 3.9 4.7 5010888 5010253 50L0622 5010411 5010044 5010070 5010058 5010076 5010069 5010048 5010075 5010060 5010045 5010117 5010073 5010077 5010848 5010714 5.6 6.8 8.2 5010706 5010904 5010880 5010151 5010039 5010056 5010067 5010144 5010068 5010041 5010052 5010154 5010061 5010062 5010091 5010071 5010074 5010505 5010658 L1 6850114 Coil 0.5 rrH

4-52 Control, 8OO28it|1, PCB 2 c1 420093s 1 pF -10+50% 6BV c9 4oroozl 1 nF 10% 63v C2 4130310 1 pF l0% 50V CrO 4200333 1 pF-10+50% 63Y C3 4070027 1 nF l09(l63V Cl1 4010041 10 nF-20t80% 40V C4 4200016 22 FF-10+50% 25V Clz 4010041 I0 nF-20+80% 40V C5 4000057 47 pF5% 63V C13 4010041 10 nF-20+80% 40V CO 4000057 47 pF 596 63V Cr6 4010061 2.2 nF 10%63V C7 4L30223 47 nP l0% 63V Clz 4010061 2.2 nF 10%63V C8 4130223 47 nF 10%63V 51 7400350 Switch 52 7400350 Switch 53 7400350 Switch Fuses, 627LO4O, FCB 3 tJpe 6601/02 Fl 6600009 Fuse 2A250v Fuses, 6270343, FCB 3 tJpe 6605 F2 6600070 Fuse 40MA 250v 7200052 Fuse holder 4-52 Fuses, 6270342, PCB 3 ttrpe 6603/04 Relay,80o12784, PCB 4 Signal level,80O2916, PCB 7 Fl 6600019 Fuse 5A 250V FZ 6600069 Fuse 150MA 250V 7200052 Fuse holder RLI 7600069 Relay 3917109 Dampingmaterial Cl 4l303ll 680 nF 10o'b 63V CZ 4130309 330 nF l0% 63V C3 4130310 1 uF 10% 50V Pl 7220544 Plug 5 pol.

4-53 MEKANISK STYIGISTE LIST OF UBCIUMCNT, PARTS 4-53 4- ?'o I toor-4 ,t-N# ,o.r____i_t *r--u soos cd +A -t 9029 9030 9031 9032 9033 903t, 7 s 9003 9001 9037 9038 9039 9006 9007 9015. 9008 9009 9017

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BANG and OLUFSEN BEOLAB Home OWNER Service Repair Manual

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