BO-BeoSound3000_type26xx-sm维修电路原理图.pdf

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1、BeoSound 3000Type 2671, 2672, 2673, 2674, 2675, 2676, 2677, 2680Service ManualEnglish, German, French, Italian, SpanishillustrationRadioFans.CN 收音机爱 好者资料库1.1Survey of modules990*/9987*/895201821281523861412* for CD PRO MKII 2 Interface f/PH8 .diagram E page 2.14 3 PH8 Microcomputer .diagram E page 2

2、.14 5 Display . diagram F, M page 2.15, 2.25 9 Light and motor control . diagram F page 2.15 12 Power Supply, Input select & Pre-amp. .diagram G, H, I page 2.17, 2.18, 2.19 14 Master Link Audio interface . diagram H page 2.18 15 Transformer .diagram I page 2.19 18 Headphone . diagram G page 2.17 20

3、IR receiver and left door sensor . diagram F, J page 2.15, 2.21 21 Door sensor right .diagram J page 2.21 28 Light supply . diagram F page 2.15 86 Tuner-FM/AM-RDS-Stereo decoder . diagram A, B, C, D page 2.9, 2.10, 2.11, 2.12 89 Interface f/CD PRO MKI .diagram K page 2.23 99 CD PRO MKI . diagram L p

4、age 2.24RadioFans.CN 收音机爱 好者资料库1.2Specifi cation guidelinesSPECIFICATION GUIDELINES FOR SERVICE USE BeoSound 3000With FM, AM and RDS Type 2671 EU (230V) Type 2672 GB (240V) Type 2673 USA-CDN (120V) Type 2674 J (100V) Type 2675 AUS (240V) Type 2676 TWN (120V) Type 2677 KOR (220V) Type 2680 LAT (230V)

5、Preamplifi er sectionTotal harmonic distortion + Noise R,L 22 kMax. input signal, AUX 2.0 VSignal-to-noise ratio:AUX, A-weighted 80 dBChannel separation 10kHz, AUX 60 dBChannel unballance 1.5 dBBass control at 100Hz 9 dBTreble control at 10kHz 9 dBOutput:Source seperation 65 dBTone regulation Bass,

6、100 Hz 9.0 dB 2 dBTone regulation Treble 10 kHz 9.0 dB 2 dBHeadphones 3.5 V / 235 Tuner, FM sectionFM range (50 kHz grid) 87.5-108 MHzFM range for type 2674 - Japan 76-90 MHzFM aerial impedance 75 Usable sensitivity mono 14 dBf - 1.4 VUsable sensitivity stereo 19 dBf - 2.5 V50 dB quieting sensitivit

7、y mono 21 dBf - 2.5 V50 dB quieting sensitivity stereo 40 dBf - 28 VSignal-to-noise ratio mono 68 dBSignal-to-noise ratio stereo 62 dBFrequency response stereo 30 - 15,000 Hz +1/-3 dBTHD + noise mono 0.63 %THD + noise stereo 0.6 %Intermodulation distortion stereo 50 dBStereo channel separation 35 dB

8、Subcarrier product rejection 50 dB, stereoTuner, AM sectionAM range EU (9 kHz grid) LW 153 - 279 kHz MW 522 - 1611 kHzGB (9 kHz grid) LW 153 - 279 kHz MW 522 - 1611 kHzUSA MW (10 kHz grid) 520 kHz - 1710 kHzJapan MW (9 kHz grid) 522 kHz - 1629 kHzAUS MW (9 kHz grid) 522 kHz - 1611 kHzTaiwan MW (9 kH

9、z grid) 522 kHz - 1611 kHzKorea MW (9 kHz grid) 522 kHz - 1611 kHzLW sensitivity 20 dB S/N ratio 80 - 72 dBV/m (10 - 4 mV/m) TYP 4mV/meterMW sensitivity 20 dB S/N ratio 68 - 60 dBV/m (2.5 - 1mV/m) TYP 2mV/meterNumber of programmes 60IR Operation Beo41.3Specifi cation guidelinesCD playerCD, disc type

10、s 12 cm (5”), 8 cm (3”)Frequency response 20 - 20,000 Hz 1 dBSNR (digital zero) 96 dB / 101 dB A-weightedDynamic range 98 dBChannel difference 0.3 dBD/A converter Bitstream + Analog fi lterDimensionsW x H x D / Weight 32 x 36 x 16 cm / 7 kgCabinet fi nish Black / aluminiumPower consumption Typical 2

11、3 watts / stand-by 3 wattsAccessoriesType 2051 Stand, silver, black, blue, green, redType 2052 Center wall bracket, blackType 2087 System wall bracket, blackV-antenna with coax cable 8720039AM loop antenna 8720043ConnectionsMaster Link Pin 1 Data- -0.25V Pin 2 Data+ +0.25V Pin 3 ML sence 0-5V Pin 4-

12、10 N.C. Pin 11 Supply voltage -7V -15V, stand-by -3V -15V Pin 12 Supply voltage 7V 15V, stand-by 3V 15V Pin 13 Audio L- 1V bal., Rin 2.2M, Rout 75 Pin 14 Audio L+ 1V bal., Rin 2.2M, Rout 75 Pin 15 Audio R- 1V bal., Rin 2.2M, Rout 75 Pin 16 Audio R+ 1V bal., Rin 2.2M, Rout 75Audio Aux Link Pin 1 Audi

13、o L out 1V RMS, Rout 1K Pin 2 GND Pin 3 Audio L in 0.25V RMS to 2V RMS, Rin 47K Pin 4 Audio R out 1V RMS, Rout 1K Pin 5 Audio R in 0.25V RMS to 2V RMS, Rin 47K Pin 6-7 Not usedPower Link Power up (ON = 2.7V -1mA) Pin 2 Signal GND Pin 3 Audio L out 0V to 2V RMS Pin 4 Speaker ON (ON = 2.7V -1mA) Pin 5

14、 Audio R out 0V to 2V RMS Pin 6 Datalink out (High = 4V, Low = 0.2V) Pin 7 Data GND Pin 8 PL+ ONHeadphones 4.1V / 235Mains Cable included, 100V AC, J type 2674 120V AC, USA-CDN type 2673-2676 220V AC, KOR type 2677 230V AC, EU-LAT type 2671-2680 240V AC, GB-AUS type 2672-2675Subject to change withou

15、t notice1.4Wiring of transformerWiring of transformer, PCB15Type 2671, 2677, 2680EU, LAT 230VKOR 220VType 2672, 2675GB, AUS 240V1B1C1C1C1C57689131011144231121516T1pTF1D9D10C13p0.4mHL1p240V1000240V120V100V120V230V100V120V1B1C1C1C1C57689131011144231121516T1pTF1D9D10C13p0.4mHL1p230V1000240V120V100V120V

16、230V100V120V1.5Wiring of transformerType 2673, 2676USA-CDN, TWN 120VType 2674JPN 100V1B1C1C1C1C57689131011144231121516T1pTF1D9D10C13p0.4mHL1p120V1000240V120V100V120V230V100V120V1B3M3R1p1B1C1C1C1C57689131011144231121516T1pTF1D9D10C13p0.4mHL1p100V1000240V120V100V120V230V100V120VBrief operation guideTu

17、ne in radio stationsPress RADIO to switch on the radioPress TUNE to access the tuning function. FM ? appearsSwitches from FM to AM, or vice versaPress PLAY to select AM or FM. FM or AM and the current frequency appearsPress to search for a radio station up or down the frequency bandOr, key in the ex

18、act frequency Press PLAY to accept*. FINE 0 appearsPress to fi ne tune, if necessaryPress PLAY to accept. STEREO ? appearsSwitches from STEREO to MONOPress PLAY to accept the fi rst available program number appearsPress to switch to a different program numberOr, key in the program number you wantPre

19、ss PLAY to store the station on the displayed program number. STORED appears, indicating that the station is stored*Note: When the requested station is found, you can skip the fi ne tune and stereo/mono selection by pressing STORE instead of PLAY. Now just enter a program number and press PLAY or ST

20、ORE to store the station.RADIOTUNEFM ?mpPLAYFM 88.9mp0 9PLAYFINE 0mpPLAYSTEREO ?mpPLAYP 15 ?mp0 9PLAYSTOREDFor more detailed operation see Users guideSwitch on the radioPress RADIO to switch on the radioUse the number keys to select a stored stationStep through all stored stationsSwitch to standbyAd

21、just the volume up or downSilences the speakers immediately. Press again to recall the soundNote: Pressing 0 will swap between present and previous radio stationPlay a CDPlays the CD in the compartmentPlays specifi c track numbersPlays the next trackPlays the previous trackPauses playingResumes play

22、ingSearches forwards on the CDSearches backwards on the CDKeep the button pressed down until you have reached the point you wantRADIO0 9mpruMUTECD0 9mpSTOPPLAYnl1.6 Brief operation guide1.7Turns on the radioStarts the CD playerPress to step through your radio programs or tracks on a CDAlternatively,

23、 key in the exact number, using the number keysSearches through a CDSearches backwards through a CDPauses playback any timePress to resume playbackRaises the volumeLowers the volumeSwitches offBrief operation guideSet the built-in clockPress CLOCK to access the clock function. The time appearsPress

24、to change to the exact time, if necessaryAlternatively key in the exact timePress PLAY to accept. The date appearsPress to change the date, if necessaryPress PLAY to accept. The year appearsPress to change the year, if necessaryPress PLAY to accept. STORE ? appearsPress STORE to store the new settin

25、g. STORED appearsCLOCK14 : 45mp0 9PLAY23 AUGmpPLAY2000mpPLAYSTORE ?STORESTOREDRADIOCDmorpnorlSTOPGOruUsing the Beo4Press and holdPress to access the setup function. The Beo4 display reads OPTION? - let go of both buttonsPress to access Option-programmingPress to display V.OPT CTV, or A.OPT audio, or

26、 L.OPT link room productsKey in the number of the approiate Option, e.g. 1The digit sequence to be used depends on the setup.Option 0 = No IR receptionOption 1 = Two IR-eyes in the same main roomOption 2 = One IR-eye in the main roomthenLISTGOLISTthen1Option programmingFor the Beo4 terminal the key

27、sequence is the following:2.1Explanation of diagramExplanation of diagramType numbers of transistors and ICs are indicated on the diagrams. If the position is followed by an asterisk the spare part number must always be used because the component in question has been specially selected, e.g. TR102*.

28、Component print and coordinate systemThe largest PCBs have component prints and a coordinate system on both the print and the component side.On the diagrams every component has a coordinate number. This indicates in which coordinate on the PCB the component is situated. The coordinate numbers are wr

29、itten in smaller print types than the position numbers.Control circuitIn certain control circuits the active mode is indicated by a function term or by an abbreviation. This may be e.g. ST.BY. = low in the stand-by mode or ST.BY. = high in the stand-by mode.Wiring connectionsThe wiring connections o

30、n the diagrams are assembled in bundles. The individual wires are provided with one of the following codes:INTERNAL CONNECTION ON ONE DIAGRAM PAGEInternal connections on a diagram page are indicated by a number.The bend of the wire indicates in wich direction the other end of the wire is found.CONNE

31、CTION TO ANOTHER DIAGRAM PAGEA connection to another diagram page is indicated by a number as well as by a letter of the diagram to which the connection leads.Supply VoltagesAll supply voltages in the diagrams are indicated by an arrow and a voltage indication.Ground symbolsThree different ground sy

32、mbols are used in the set. = RF - OSC - SH - IF1 - IF2 - A = Chassis = DSymbol of safety componentsWhen replacing components with this symbol, components with identical part numbers must be used. The new component must be mounted in the same way as the one replaced.12122020C3C32A32A3DIAGRAM ADIAGRAM

33、 C2.2Explanation of diagramMeasuring conditionsAll DC voltages have been measured in relation to ground with a voltmeter with an input impedance of 10 Mohms.The DC voltages are stated in volts (V), e.g. 0.7V.All oscillograms and AC voltages have been measured in relation to ground with an oscillosco

34、pe or a voltmeter with an input resistance of 1Mohm.AC voltages are stated in millivolts (mV), e.g. 660mV.CautionThe use of any controls, adjustments or procedures other than those specifi ed herein may result in hazardous radiation exposure.The black and yellow label on the compact disc player serv

35、es as a warning that the apparatus contains a laser system and is classifi ed as a class 1 laser product. The apparatus must be opend by qualifi ed servicemen only.CD laserdiodeWavelenght 780 nm 20 nm, 30CEffect 2 mW 0.1 mW, 30CLithium batteryWARNINGShort-circuit and overcharging of some types of li

36、thium batteries may result in a violent explosion.When replacing the lithium battery in this set, note the following:Use only batteries at the same make and type as mentioned in this service manual (see page 3.1).Place the battery exactly like the old one.Explanation of the fuse symboles used in the

37、 setReplace with the same type 1 ampere 250 volts quick acting fuse.Replace with the same type 2.5 ampere 250 volts slow acting fuse.Explanation des symboles de fusible utiliss dans lappareilRemplacer par un fusible rapide de mme type et de 1 ampres 250 volts.Remplacer par un fusible retard de mme t

38、ype et de 2.5 ampres 250 volts. CLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIO2.4 Wiring diagramWiring diagram 2.4Wiring diagram2.42.5 Block diagramBlock diagram 2.5Block diagram for frontend tuner2.52.6 Block diagramBlock diagram 2.6AM block diagram2.62.7 Block diagramBlock diagram 2.7Block diagram for C

39、D PRO2.70.5s/DIVEYEPATTERN2.5V1.3VBlock diagram for system key controle2.8 Block diagramBlock diagram 2.82.8Diagram A Frontend tuner PCB drawing for PCB86 see page 2.132.9 Diagram ADiagram A 2.92.9Diagram B FM/AM Detector PCB drawing for PCB86 see page 2.132.10 Diagram BDiagram B 2.102.10Diagram C S

40、tereo decoder and power section PCB drawing for PCB86 see page 2.132.11 Diagram CDiagram C 2.112.11Diagram D RDS, P & IIC bus fi lter PCB drawing for PCB86 see page 2.132.12 Diagram DDiagram D 2.122.12PCB86, Tuner-FM/AM-RDS-Stereo decoder2.13 PCB drawingPCB drawing 2.132.13Diagram E Interface for P

41、& PH8 PCB drawing for PCB2 see page 2.162.14 Diagram EDiagram E 2.142.14Diagram F Light and Motor control, Light supply & IR PCB drawing for PCB9 see page 2.162.15 Diagram FDiagram F 2.152.15PCB9, Light and motor control2.16 PCB drawingPCB drawing 2.162.16PCB2, Interface f/PH8Diagram G Input select

42、PCB drawings for PCB12 see page 2.202.17 Diagram GDiagram G 2.172.17Diagram H Master Link Interface PCB drawings for PCB12 see page 2.202.18 Diagram HDiagram H 2.182.18Diagram I Power Supply & Transformer PCB drawings for PCB12 see page 2.20 PCB drawing for PCB15 see page 2.22 2.19 Diagram IDiagram

43、I 2.192.192.20 PCB drawingsPCB drawings 2.202.20PCB12, Power Supply, Input select & Pre-amplifi erDiagram J Door sensor PCB drawings for PCB20 & PCB21 see page 2.222.21 Diagram JDiagram J 2.212.212.22 PCB drawingsPCB drawings 2.222.22PCB20, IR receiver and left door sensorPCB21, Door sensor right MK

44、IIPCB15, TransformerDiagram K CD Interface2.23 Diagram KDiagram K 2.232.23 PCB5, DisplayDiagram L CD Servo & Decoder2.24 Diagram LDiagram L 2.242.240.5s/DIVEYEPATTERN2.5V1.3VDiagram M Display & Keyboard PCB drawing for PCB5 see page 2.232.25 Diagram MDiagram M 2.252.25List of electrical parts 3.1Lis

45、t of electrical partsPCB2, 8006796 Interface f/PH8IC1 8342397 149 Memory/clock M141T56M6IC2 8343699 169 AD 8531IC3 8343682 151 PIC 12C508TR38* 8320740 51 BF 840D1- 8300606 250 LL 4448D2D3 8301120 69 BAT 54AWC1 4011135 100nF -20+80% 16VC3 4010274 100nF -20+80% 25VC4- 4010237 1nF 10% 50VC6C10 4010237

46、1nF 10% 50VC11 4010316 100nF 10% 25VC12- 4010237 1nF 10% 50VC13L50 8021301 Coil 1H 20%X1 8090230 Crystal 32.768KHzB1 8700027 Battery lithium 3V P1- 7221357 Socket 30 poleP2P3- 7221378 Socket 7 poleP4P5 7221272 Plug 2 poleP26 7221359 Plug 10 poleP27 7221329 Plug 4 poleP28 7221356 Plug 9 poleP30 72213

47、30 Plug 3 poleP31- 7221329 Plug 4 poleP32P33 7221330 Plug 3 poleP130 7221361 Plug 12 poleP131 7221329 Plug 4 polePCB3, 8006797 PH8 MicrocomputerPCB5, 8001362 DisplayIC1 8341025 150 4094BIC2 8343771 147 SN74ALS156IC3 8341079 151 PD 7228IC4 8341226 150 4001B gate 4x2 inputTR1- 8320755 51 BC 847BTR6TR8

48、 8320755 51 BC 847BTR13- 8320753 51 BC 856BTR16TR17- 8320936 51 BC 847CTR20TR24 8320811 51 BC 857BTR25 8320955 57 PMBF 4393TR26 8320811 51 BC 857BD1- 8300482 250 LL 4148D2D3 8300577 250 Z3.9V 2% 0.5WD4 8300661 250 Z4.3V 2% 0.5WDP1 8330259 Display, lowerDP2 8330468 Display, upperR14- 5011912 1.2K 1%

49、1/8WR15R18- 5011912 1.2K 1% 1/8WR19R29 5011914 5.1K 1% 1/8WR39 5210006 LDR 3.3K 33%R40 5011912 1.2K 1% 1/8WR49 5012069 2K 1% 1/8WR56 5370435 1KR78 5370400 10KResistors not referred to are standard, see page 3-9 indicates that static electricity may destroy the component* specially selected or adapte

50、d sample3.2 List of electrical partsC1- 4010166 100nF -20+80% 50VC2 C4- 4010166 100nF -20+80% 50VC5C6 4000241 100pF 5% 50VC8 4000241 100pF 5% 50VC9- 4010170 2.2nF 10% 50VC12C13- 4000241 100pF 5% 50VC19C20 4010157 10nF 10% 50VC21 4200517 2.2F 20% 50VX1 8030221 Crystal 455KHzP41 7220714 Plug 7 poleP42