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Bang & Olufsen BeoLab 3500 MKII 1601 Service Manual

Summary of BeoLab 3500 MKII 1601

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    Beolab 3500 mkii type1601,1602,1603,1604,1605,1607,1608 fromserialno.19343452 servicemanual english german and french, versions are available in the retail system.

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    Contents survey of modules ........................................................................................ 1.1 adjustments ................................................................................................. 2.1 repair tips .........................................................

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    Survey of modules 1.1 2 switch mode power supply 19 dc/dc converter 20 transformer left 21 transformer right 22 power amplifier left 22 power amplifier right 25 ntc 31 lf supply and control 32 cross field 34 plug pcb 35 display, keyboard and ir receiver 36 microcomputer seen from the front 36 34 20 ...

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    1..

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    Adjustments 2. Adjustments 5v when replacing ic, lm3578, on pcb2, switch-mode power supply, the supply voltage may have to be adjusted to 5v ±0.25v by means of r2 and r0: - if 5v is above level, install r2 (r//r2). - if 5v is below level, install r0 (r3//r0). Speaker adjustment of bass/treble sound ...

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    2.2 adjustments replacement of pcb36, microcomputer the bass and treble levels of the speakers are stored electronically in the microcomputer (pcb36). When replacing pcb36, the original bass and treble level values must be restored: - install the new microcomputer (see section 4, disassembly, if nec...

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    Repair tips 3. Repair tips beolab 3500 can be brought into test mode from stand-by with a beo4, giving access to the following functions: test mode 00 display of: software version number and time of operation in audio mode, video mode and stand-by. - press menu 0 0 go. The display reads: sw x.Y, whi...

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    3.2 repair tips error : error during address configuration. No address has been allocated because too many units are connected to the beolink. - remove all products from beolink, and connect them again one at a time until the error code occurs. Disconnect that product from beolink. Error 2: it is no...

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    Disassembly 4. Disassembly front fabric frame - push the front fabric frame to the side and lift it off. When both front fabric frames have been removed, pcb35, display, keyboard & ir receiver, pcb36, microcomputer, and pcb32, cross field, are accessible: - remove the display glass (two screws) and ...

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    4.2 disassembly service position important! The display glass and cabinet must be protected against scratches by placing them on a soft base. - remove the sixteen screws, a, behind the front fabric frames. - place the front face down. - remove the socket well by first removing the two allen screws. ...

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    Insulation test 5. Insulation test each set must be insulation tested after dismantling. The test is to be performed when the set has been re-assembled and is ready for delivery to the customer. Make the insulation test as follows: short-circuit the two plug pins of the mains plug and connect one of...

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    5..

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    Specification guidelines for service use 6. Specification guidelines for service use beolab 3500 mkii type 60 (eu), 602 (gb), 603 (usa-cdn), 604 (jap), 605 (aus) 607 (kor), 608 (chk) concept x-tra room product active stereo loudspeaker with control circuitry, stand-by relay and ir receiver operation...

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    6.2 specification guidelines for service use power amplifiers rated power woofer 35w, 8 w rated power tweeter 35w, 8 w amplifier signal-to-noise ratio > 80 dba, w/8 w signal-to-noise ratio > 74 dba, full volume frequency range 20 - 20,000 hz +0 - db harmonic distortion total harmonic distortion cros...

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    7. Wiring diagram wiring diagram 7. 7. Wiring diagram switch mode power supply transformer left plug pcb micro com- puter ntc +9v -9v gnd bass r treb r plim pmute pfail a c 2 1 a c 2- 1 a c 2- 1 a c 2- 1 a c 2 g a c 2 g a c 2 g a c 2 g a c 2 2 a c 2- 2 a c 2- 2 a c 2- 2 a c 2- 1 a c 2- 1 a c 2- 1 a ...

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    7. 7. 7..

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    7. Block diagram block diagram 7. 7. Mains in mains out p19-2 p19-1 tf1 t1 d2 c5 rl1 p20-1 p20-2 tf5 t2 f2 f4 f3 d3 p22-1 p22-12 p1-12 p1-1 10v p21-4 p21-3 p23-3 p23-4 rel1 p21-1 rel2 p21-2 p23-2 p23-1 5v pon 1v 1 ic1 lm3578 7/6 5 r1 r2 r3 r10 r4 r5 c5 c6 tr2 c8 d4 tr3 c9 d3 -5v st.By p24-3 p24-1 5v...

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    7. Block diagram block diagram 7. 7. 34 plug pcb power amp. Right power amp. Left 22 22 31 2 31 lf cross field 32 35 display, keyboard & ir microcomputer 36 32 2 smps p2-11 p4-14 p24-14 p24-2 relay tr1 pon p9-10 pmute l-lev lcd contrast power on/mute ic4 tr7,8,15 data strobe clock oe display ic1,2,7...

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    7. Block diagram block diagram 7. 7. 22 power amplifier - + p1-1,2,3,4 -35v p1-9,10,11,12 p1-5,6,7,8 power supply 35v d200 c2 c1 3 2 1 1/2 ic100 4558 1/2 ic100 4558 5 6 7 treble filter, 4. Order hp p2-5 treble in d12 d4 c14 r32 to ic1 pin 6 pa mute p2-4 bass in from pcb 5 p9-20 pmute p2-7 3 2 1 1/2 ...

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    8. Available parts available parts 8. 8. 9001 9002 9003 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9004 9005 9006 9007 9019 9020 9021 9022 9023 4 4 1 2 3 3 2 1 5 5 5 5 6 6 6 7 8 9 7 8 9 7 7 6 6 6 5 5 5 5 10 10 6 6 6 10 10 10 6 6 6 6 15 14 14 10 10 14 6 5 5 16 17 18 21 21 5 5 20 5 5 5 19 19 20...

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    Available parts 8. Available parts 900 2576302 distance bolt 9002 34422 chassis 9003 8480340 tweeter 9004 3907064 rubber 9005 3950053 rubber belt 9006 345207 front piece 9007 36906 operating panel 9008 3459454 cap, dark grey 345908 cap, black 345906 cap, grey 9009 3430055 cabinet, dark grey 3430056 ...

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    8.2 available parts accessories 303302 wall bracket, type 607 303235 wall bracket 339048 bag with parts f/wall bracket 303333 wall plate 3390468 bag with parts f/wall plate 606 table stand 3390480 bag with parts f/table stand 2560276 cable cover, 0 pieces parts not shown 3947547 foam, 3x9mm x 0m 394...

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    Bang&olufsen dk-7600struer denmark phone+4596841122* fax+4597853911 06-06a.