Bang & Olufsen BeoSound 9000 MKIII User manual

BeoSound 9000 MKIII
Type 2571, 2572, 2573, 2574, 2575, 2576, 2577, 2580
Service Manual
English, Italian, Spanish

Survey of modules 1.1
1 FM/AM - RDS.......................................diagram A, AA, B, BB
page 2.11, 12, 13, 14
3 Main Microcomputer ...........................................diagram J
page 2.24
4 Mains Filter ......................................................... diagram N
page 2.29
5 Mains Relay .....................................................diagram N, O
page 2.29, 30
7 Display ................................................................... diagram I
page 2.23
9 Sledge Position ...................................................diagram M
page 2.28
11 Main Keyboard, right ......................................... diagram H
page 2.22
12 Main Keyboard, left ........................................... diagram H
page 2.22
13 Secondary Keyboard .......................................... diagram H
page 2.22
14 IR Receiver ........................................................... diagram H
page 2.22
20 ML Interface ......................................................... diagram E
page 2.18
21 Headphone ......................................................... diagram G
page 2.20,
22 Clamper Position .............................................. diagram I, L
page 2.23, 26
24 Light Indication, left .............................................diagram J
page 2.24
25 Light Indication, right ..........................................diagram J
page 2.24
26 End Stop Detector ..............................................diagram M
page 2.28
27 Safety TX .............................................................diagram M
page 2.28
28 Safety RX .............................................................diagram M
page 2.28
29 Lamp ...................................................................... diagram I
page 2.23
30 IR Transmitter, tacho clamper .............................. diagram I
page 2.23
31 IR Reciever, tacho clamper ................................... diagram I
page 2.23
32 Input/output Select, Sound Adj. ................ diagram E, F, G
page 2.18, 19, 20
34 Power Supply .......................... diagram C, D, G, H, I, J, L, N
page 2.16, 17, 20, 22, 23, 24, 26, 29
35 Motor Control .................................................diagram L, M
page 2.26, 28
37 Lid Motor ............................................................diagram M
page 2.28
41 CD VAM 1250
CD .........................................................................diagram C
page 2.16
Turn Table Motor Control .................................. diagram D
page 2.17
95 CD Mechanism, VAM 1250 ............................. diagram C, D
page 2.16, 17
35 3
34
1
20
21
14
27 28
26
5
37
4
9
7
30 31
29
25
24
12 11
13
41
22 95
32
= PCB13, PCB24 and PCB25 placed on the chassis topplate

SPECIFICATION GUIDELINES FOR SERVICE USE BeoSound 9000 MKIII
With FM and AM range and RDS Type 2571 (EU), 2572 (GB), 2573 (USA-CDN), 2574 (J), 2575 (AUS),
2576 (TWN), 2577 (KOR), 2580 (LAT)
Operation Direct keyboard
Beo4, BeoLink 1000
Mechanical functions
Change from playing CD1 to playing CD6
(Lid closed and known CD’s) < 6.5 sec., typical 4 sec.
Position of CD Typical ±1°
Tuner
Number of Programmes 60
Stereo / Mono selection Automatic / manual
Tuner, FM section
Range 87.5-108 MHz
76-90 MHz f. type 2564
Aerial impedance 75 ohm
Usable sensitivity mono (30 dB) Typical 11dBf - 1µV
50 dB quieting stereo ≤41dBf
Signal-to-noise at 65 dBf mono ≥69dB
Signal-to-noise at 65 dBf stereo ≥64dB
Frequency response 20-15000Hz
Distortion + noise mono ≤0.6%
Distortion + noise stereo ≤0.6%
Intermodulation stereo Typical 0.1%
Stereo channel separation Typical 30dB
Subcarrier product rejection ≥50dB
Tuner, AM section
Range LW 153-279 kHz f. type 2571, 2572, 2575, 2576, 2577
MW 522-1611 kHz f. type 2571, 2572, 2575, 2576, 2577
MW 530-1710 kHz f. type 2573, 2580
MW 522-1629 kHz f. type 2574
Antenna Loop 18.1µH (Special)
LW sensitivity 20 dB S/N ratio Typical 66dBµV/m ( 2mV/m )
MW sensitivity 20 dB S/N ratio Typical 60dBµV/m ( 1mV/m )
Harmonic distortion Typical 0.4 %
CD Player
Number of CD’s 6
Disc types 12 cm (5”), 8 cm (3”) with adaptor
Frequency range 20-20.000 Hz ±1dB
Signal-to-noise ratio A-weighted Typical 101dB
Dynamic range ≥98 dB
Harmonic distortion ≤0.1%
Channel separation ≥50 dB
Channel difference ≤±1dB
Converter system Bitstream
Preamplifier section
Harmonic distortion ≤0.1%
Frequency range ±1dB 10-20000Hz
Channel separation ≥50dB
Source separation ≥80dB
Signal-to-noise A-weight ≥90dB
Volume control ≥90dB
Bass control 7.0dB ±2dB at 100Hz
Treble control 7.0dB ±2dB at 10kHz
1.2 Specification guidelines for service use

Specification guidelines for service use 1.3
Connections
Master Link Pin 1 Data-, -0.5 V ±0.2 V in relation to Data+
Pin 2 Data+, +0.5 V ±0.2 V in relation to Data-
Pin 3 ML connect > 3 V
Pin 4-6 +supply voltage, +7 V to +15 V
(in stand-by +3 V to +15 V)
Pin 7-10 Not used
Pin 11 -supply voltage, -7 V to -15 V
(in stand-by -2 V to -15 V)
Pin 12 +supply voltage, +7 V to +15 V
(in stand-by +3 V to +15 V)
Pin 13 Audio L- in/out, 2 V Bal, in relation to Audio L+,
Rin 4.4 MW, Rout 150 Ω
Pin 14 Audio L+ in/out, 2 V Bal, in relation to Audio L-,
Rin 4.4 MW, Rout 150 Ω
Pin 15 Audio R- in/out, 2 V Bal, in relation to Audio R+,
Rin 4.4 MW, Rout 150 Ω
Pin 16 Audio R+ in/out, 2 V Bal, in relation to Audio R-,
Rin 4.4 MW, Rout 150 Ω
Shield GND
Power Link Pin 1 Power up (ON = >2.7 V -1mA)
Pin 2 Signal GND
Pin 3 Audio L out 0 V to 2 V RMS
Pin 4 Speaker ON (ON = >2.7 V -1 mA)
Pin 5 Audio R out 0 V to 2 V RMS
Pin 6 Datalink out (High = >4 V, Low = <0.2 V)
Pin 7 Data GND
Pin 8 PL+ ON
Audio Aux Link Pin 1 Audio L out 1 V RMS, Rout 1 kΩ
Pin 2 GND
Pin 3 Audio L in 0.25 V RMS to 2 V RMS, Rin 47 kΩ
Pin 4 Audio R out 1 V RMS, Rout 1 kΩ
Pin 5 Audio R in 0.25 V RMS to 2 V RMS, Rin 47 kΩ
Pin 6-7 Not used
Headphones Ø3.5 mm, 220 W
Digital output CD AES / EBU
IEC 958
0.5Vpp, 75W, 1%
Mains Cable included
Type 2571, 2572, 2577, 2580 –230V AC
Type 2573, 2576 –120V AC
Type 2574 –100V AC
Type 2575 –240V AC
Power frequency 50-60 Hz
Power consumption Stand.by Typical 1.0W
Power consumption Typical 15W

1.4 Specification guidelines for service use
Dimensions
W x H x D 86.9 x 7 x 30.1 cm
Weight 11.5kg
Finish Black, aluminium
Optional accessories
Beo4 Type 1624, 1625 (I)
Wall bracket horizontal Type 2054
Wall bracket vertical Type 2063
Bracket Type 2053
Stand, adjustable in two heights Type 2065
Cable cover Type 2062
AM loop antenna 8720047
FM antenna 8720048
Type Transformer PCB5 PCB34 PCB1 Mains cable
Mains Relay Power Supply FM/AM
2571 EU 8013551 EU-230V AC 8005661 EU 8000512 EU 8000462 EU 6100273
2572 GB 8013551 EU-230V AC 8005661 EU 8000512 EU 8000462 EU 6100329
2573 US 8013549 US-120V AC 8005664 US 8000536 US 8000462 EU 6100307
2574 JAP 8013548 JAP-100V AC 8005661 EU 8000512 EU 8000535 JAP 6100331
2575 AUS 8013550 AUS-240V AC 8005661 EU 8000512 EU 8000462 EU 6100332
2576 TWN 8013549 US-120V AC 8005664 US 8000536 US 8000462 EU 6100307
2577 KOR 8013551 EU-230V AC 8005661 EU 8000512 EU 8000462 EU 6100386
2580 LAT 8013551 EU-230V AC 8005661 EU 8000512 EU 8000462 EU 6100273
Subject to change without notice