Cambridgeaudio Azur 640R sur sm

Page 1

Issue Date: 2| May 2007

0 Cambridge Audio

640R

SERVICE MANUAL

SPECIFICATIONS:

Audio
Power Output

total Harmonic Distortion
Crosstalk
Frequency iiesponse (.lda)

s to N Ration (unweighted)

2 x 120 watts nris per channel
8 ohms (two channels driven)

7 x 100 watts mit per channel
8 ohms (all 7 channels driven)

«soda @ IkHz
mm c ZDkHzr IdB

>9odB A weighted

Recording Wdeo Outputs

miter Connections

incognito iieatiy/ A-BUS Ready

| Composite, | SMdco

| v." I 6.35mi Headphone Output
(32 to 500 ohms recommended)

| Control Bus lnput/ oiirput

| IR Emitter in

| R5232C

| [EC type mai s inlet

2 A-BUS Keypad Outputs DM/ 3' Zone)
31R Emitter Outputs

2 Composite Video Outputs (2"/ 3 Zone)
| External PSU input 24v Dc

Standby Power Comumptlon < law
Autilo input lmpentience/ Sensitivity 47k0hms/ mm or greater
Quiescent Power Consumption <7Dw
Digital input impendence 750hms (Coaxial I SPDIF)
Max Footer Consumption 1401M
tone Control
Bass Ha lfldB @ 10on Dimension - H x w x D 150 x 425 x 420mm
treble +HOdB @ IDkHz (inc all terminals at controls)
'[uner Weight 15kg (aaibt)
FM mode 57,5eloeMHa, 75 ohm coaxial aerial
AM mode 52246291441, :00 ohm loop aerial Decodlg Mode: Sugrgrted
FCM Stereo Linear PCM with or without digitally
Video created Sub, 15-24 bit data, 44.1.43 or ?6ka
Video Levels/ impendence
.Composite (CVDS) IVp-p/ 75 ohm PLII Movie 5.1 PLII matrix decode optimised ior movie
material
.5de (SsVHS) Y IVp-p 75 ohm
c o 255 Vp-p/ 75 ohm PLII Game 5.1 PLII matrix decode optimised ior game material
-Component Y IpAp/750I1m PLllx Movie 6.|/7.| PLllx maoix decode optimised ior movie
Cb/Cr 0.75Vp-p/ 75ohm material
Ph/Pr a.75Vpp/ 75ohm
PLllx Music 6.|/7.| PLllx matrix decode optimised ior music
HDMI material
Transier oiall resolutions up to and including
IOEUP @ 50/50Hx (1920 x 1030)supported,w1th HDCF handshakrng PLllx Game 6.|/7.| PLllx matrix decode optimised ior game

General
Architecture

Crystal C543|12 24 Bit 192kHt
raspable DAC ior Front Leit a Right

Crystal c552525 24 Bit I92kHt
Capable CODEC (or surround channels +
24 an 2 channel A/D conversion.

Crystal (343m 32 bit DSP

Audio inputs 8 Line Level Analog
Tuner (FM /AM)

7.l Analog input

5 Digital Coaxial. s D'gilal Optical
Video inputs 5 Composite. 5 S»Video
:1 Component video. 3 HDMI
Main Audio outputs 7 Amplrhed Speaker Outputs
7.l Pimp Outputs

Main Video Outputs | Composite. | S-Video
| ComponentVrdeo. 1 HJDMI

Recording Audio Outputs 2 . Level Analog
2 D tal CoAxiai, 2 Digital Dpttasl

Gallery Court Hankey Place London SE14BB UK

material

Dolby Digital Stereo (2/0) + PLII Movie

5 1 PL" matrix decode oi Dolby Stereo material
Dolby Digital Stereo (2/0) + PLII Music

5 | PLII matrix decode oi Dolby Stereo material
Dolby Digital Stereo a/o) + PLII Game

5 1 PL" matrix deoode oi Dolby Stereo material

Dolby Digital Stereo a/o) + PLllx Movie
5 l/7.l PLllx maoix deoode oi Dolby Stereo material
Dolby Digital Stereo a/o) + PLllx Music
5 l/7,l PLllx maoix decode oi Dolby Stereo material

Dolby Digital Stereo (2/0) + FLllx Game
5.1/7 | Fle matrix decode oi Dolby Stereo material

Dolby Digital (Up to) 5.1 digital surround sound

Dolby Digital + PIJIx Movie PLllx Movie post process oi DDs.l givrrrg 6.| or
7.1 (7. i has mono back surrounds)
PLllx Music post proceo oi DD 51 giving 5.1 or
7. | (7. I has mono back surrounds)

Dolby Digital + Fulx Music

Dolby Digital EX 6.! or 7 | (7.1 has mono back surround) dooode oi
5.1 Dolby Digital EX material
DTS Neo 6 Cinema 5.l/6. |/7.| Neo 6 matrix decode (5 | souroe

materials) 5.1 decode has phantom rear
cemre, 7. | decode iras mono back surround)

- Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233

AP21900I1

Page 2

640R SERVICE MANUAL

TABLE OF CONTENTS

Front Panel Controls

Rear Panel Connections

Remote Control

Block Diagram

Exploded Diagram

Exploded Diagram Parts List

Serviceable Parts List

Mains Transformer & Main Board P.S.U Circuit Diagram

Main board (Inputs) Circuit Diagram

Power Amplifiers Circuit Diagram

Main Board PCB Layout

Video Board Direct lnput/ Pre»outs Circuit Diagram
Video Board Coaxial Input / Outputs Circuit Diagram

Video Board (YUV) Circuit Diagram

Video Board (Composite & S-Video) Circuit Diagram

Video Board OSD Circuit Diagram

20

Video Board Rescaling / Conversion Circuit Diagram

2|

22

Optical Board Circuit Diagram
Video / Co-axial / Optical PCB Board Layout (Top Side)
Video / Co-axial / Optical PCB Board Layout (Bottom Side)

Power Amplifier l Circuit Diagram

23

24

25

Power Amplifier 2 Circuit Diagram

26

Power Amplifier l 8: 2 PCB Board Layout

Decoder Circuit Diagram

27

28-30

PSU (on decoder) Circuit Diagram

3|

Decoder MCU Circuit Diagram

32

Decoder PCB Board Layout (Top Side)

33

Decoder PCB Board Layout (Bottom Side)

HDMI Circuit Diagram

34

35

HDMI PCB Board Layout (Top Side)

36

HDMI PCB Board Layout (Bottom Side)

37

Fuse / R5232 / Speaker Board Circuit Diagram

Fuse / RSZ32/ Speaker Board Layout

38

39

Abus Zone Circuit Diagram

40

Abus Zone Board Layout (Top Side)

4|

Abus Zone Board Layout (Bottom Side)

42

Display Board & Volume Encoder Circuit Diagram

Display PCB Board Layout

43