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540R v3

Issue Date: October 2007 

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SERVICE MANUAL

_______________________________________________________________________ 

SPECIFICATIONS: 

Power Output 

 

 

 

 

100 watts rms per channel, 

        8 

ohms, 

two 

channels 

driven 

        80 

watts 

rms 

per 

channel, 

 

 

 

 

 

 

 

 

8 ohms, all six channels driven 

 THD 

     <0.005% 

1kHz 

<0.04% @ 20Hz - 20 kHz 

Crosstalk 

     <-60dB 

 

Frequency Response   

 

 

 

20Hz – 20 kHz +/- 1dB 

 Audio 

Input 

Sensitivity 

    150mV 

 Audio 

Input 

Impedance    47k0hms 

 

Digital Input Impedance 

 

  75ohms 

(Coaxial/SPDIF) 

 S/N 

Ratio 

     >96dB 

‘A’ 

weighted 

 

Tone Control Range   

 

 

 

Bass +/- 10dB 

 

 

 

 

 

 

 

/- 10dB 

 FM 

Tuner 

     87.5 

– 

108MHz, 

 

       75 

ohm 

coaxial 

aerial 

 AM 

Tuner 

     522 

– 

1629kHz 

       300 

ohm 

loop 

aerial 

 

 

Video Levels /  Impedance 

 

 

 

Composite (CVBS) = 

        1Vp-p 

75ohm 

 

 

 

 

 

 

 

 

S-Video (S-VHS) = 

        Y 

1Vp-p 

75ohm 

        C 

0.286 

Vp-p 

75ohm 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Component = 

 

 

 

 

 

 

 

 

Y 1Vp-p / 75 ohm 

        Cb/Cr 

0.75Vp-p 

75ohm 

        Pb/Pr 

0.75Vp-p 

75ohm 

 

 

 

 

 

 

 

 

 

Cont.../ 

 

 

 

 

 

            AP229961

Summary of Contents for Azur 540R V3

Page 1: ...tts rms per channel 8 ohms all six channels driven THD 0 005 1kHz 0 04 20Hz 20 kHz Crosstalk 60dB Frequency Response 20Hz 20 kHz 1dB Audio Input Sensitivity 150mV Audio Input Impedance 47k0hms Digital...

Page 2: ...CS493263 DSP Audio Inputs 6 Line Level Tuner 6 1 Direct Input Audio Ouputs 6 Amplified Speaker Outputs 6 1 Preamp output 1 Tape record output Video Inputs 3 Composite 2 S Video 2 Component Video Vide...

Page 3: ...hone Circuit Board 14 Mains Transformer Power Supplies Main Circuit Board 15 Main Circuit Board Output Stage 16 Main Circuit Board Speaker Circuit Board 17 Display Circuit Board Detail 18 Display Circ...

Page 4: ...ot recorded in surround sound Speaker s set to None in OSD setup menu A stereo mode has been selected No sound from the centre speaker Centre speaker has been set to None in OSD setup menu A stereo mo...

Page 5: ...nent Video output Video inputs S Video Connect to the S Video outputs from the source equipment Composite Connect to the Composite Video outputs from the source equipment Component Connect the Compone...

Page 6: ...aterial Note The 540R v3 is unable to auto detect this kind of source material as it does not include embedded encoding type flags so manual selection is required DSP The 540R v3 can create a surround...

Page 7: ...es See button details as listed in the Front Panel Controls section on the previous page DRC Dynamic Range Control Press to rotate through four dynamic range settings when listening to Dolby Digital D...

Page 8: ...CAMBRIDGE AUDIO 540R V3 Connections Diagram 8...

Page 9: ...CAMBRIDGE AUDIO 540R V3 Exploded Diagram 9...

Page 10: ...N O I T A R O C E D 0 1 0 0 0 1 0 1 1 3 9 7 2 2 1 B C P 3 V A 0 0 0 1 3 8 0 1 4 5 0 0 3 2 4 D A P T O O F 1 0 0 0 0 6 0 1 1 3 9 7 4 2 4 T O O F 0 1 0 0 0 5 0 1 1 3 9 7 5 2 4 8 X 0 3 M B 0 1 0 0 8 0 0...

Page 11: ...S N A R T S B T S 0 0 0 1 5 5 3 1 0 0 0 4 9 5 1 R E M R O F S N A R T 0 0 0 3 5 1 0 1 0 0 0 4 0 6 1 L A E R U T A R E P M E T 0 0 0 0 0 5 0 1 1 3 9 5 1 6 1 B C P V U Y 2 0 0 1 0 4 1 1 4 5 0 0 2 6 2 4...

Page 12: ...L COVER OVER F P INPUTS 340R 540R V2 AV3 FRONT COVER SILVER 7 1 C I 1 K 6 1 8 3 D B 2 V R 0 4 5 E M U L O V 7 1 C I 1 6 0 F P PF062 VR1 MASTER VOLUME ENCODER 540R V2 EC16B241047AA VR1 5 C I 2 V R 0 4...

Page 13: ...T AC2 OUT TO SW AC IN R3 10K C1 103MAC250V 1 2 3 CN1 2P7 92 1 2 3 CN4 2P7 92 1 2 3 CN2 2P7 92 1 2 3 CN3 2P7 92 C2 103MAC250V TO MAIN BOARD 14V P ON OFF GND FUSE BOARD 1 2 4 5 K 3 7 8 K MIC1 MIC1 R6 1...

Page 14: ...CAMBRIDGE AUDIO 540R V3 Fuse Board Headphone Circuit Board 14...

Page 15: ...Q87 2SC2458 R245 22K R246 100K R247 22K R249 15K R248 1K C109 2200U 10 SYS MUTE 55V D44 1N4001 R243 4 7K R244 470 C108 22uF 25V Q86 2SA1015 RELAY STOP 1 2 CN3 2P 2 0 1 2 CN1 2P 2 5 1 2 3 4 5 6 CN5 6P...

Page 16: ...R212 100 C90 20P 50V C91 47uF 50V C89 12P 50V R211 47K R208 470K R207 8 2K R210 1 5K R209 1 8K R206 1K R205 1 2K R204 1 8K C87 1200P 100V C85 47P 50V C84 1500P 100V R203 47K R202 820 C83 10uF 16V R20...

Page 17: ...CAMBRIDGE AUDIO 540R V3 Main Circuit Board Speaker Circuit Board 17...

Page 18: ...10K R25 10K R26 10K R24 10K C7 104 R23 82K R3 22K R1 22K R22 1K2 R2 620 C4 104 C1 100U16 LED1 3mmBlue LED Q1 C2458 C2 100U10 5V C5 104 C3 100U16 OPT ON OFF REMOTE VIDEO ON OFF VDF DA VDF CLK VDF STB...

Page 19: ...CAMBRIDGE AUDIO 540R V3 Display Circuit Board 19...

Page 20: ...0V 5VD C139 3300uF 25V C118 0 1uF 50V VIN 1 GND 2 VOUT 3 U2 KA7812 C143 47uF 25V C120 0 1uF 50V C140 3300uF 25V C121 0 1uF 50V C144 47uF 25V C119 0 1uF 50V VIN 2 GND 1 VOUT 3 U4 KA7912A 12V 12V R169 1...

Page 21: ...O RI 10 VIDEO LI 11 PHONO RI 12 PHONO LI 13 AGND 1 AGND 14 A R I O 74 A L I O 75 TAPE RO 76 TAPE LO 77 VIDEO RO 78 VIDEO LO 79 AGND 80 AGND 73 ING SW INPUT SELECT VOL DSP FR 26 DSP FL 27 DSP C 28 DSP...

Page 22: ...IN_A1 6 DGND2 13 DGND1 2 AGND 35 DGND3 24 EMAD0_DATA0_GPIO0 17 EMAD1_DATA1_GPIO1 16 EMAD2_DATA2_GPIO2 15 EMAD3_DATA3_GPIO3 14 EMAD4_DATA4_GPIO4 11 EMAD5_DATA5_GPIO5 10 EMAD6_DATA6_GPIO6 9 EMAD7_DATA7_...

Page 23: ...CAMBRIDGE AUDIO 54OR V3 Decoder Circuit Board 23...

Page 24: ...CAMBRIDGE AUDIO 540R V3 Decoder Circuit Board 24...

Page 25: ...0 IC1 TMDS341APFC C12 102 C13 102 C16 104 C5 104 C2 104 C1 104 R10 3K R14 4 7K C17 104 TERMINAL ERTH E1 C18 104 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CASE3 CASE4 CASE2 CASE1 JK1 206A SABN 1...

Page 26: ...CAMBRIDGE AUDIO 540R V3 HDMI Circuit Board 26...

Page 27: ...CAMBRIDGE AUDIO 540R V3 HDMI Circuit Board 27...

Page 28: ...0uF 10V C8 100uF 10V R61 180 R62 220 C48 100uF 10V C49 0 1uF 50V VGND Y1 1 Y0 2 VEE 7 VSS 8 Y COM 15 VDD 16 X1 13 X0 12 X COM 14 Z1 3 Z0 5 Z COM 4 A 11 B 10 C 9 INH 6 IC6 TC74HC4053AF VGND R63 10 C51...

Page 29: ...5 6 8 7 9 10 12 11 13 14 40 15 41 18 20 19 21 22 24 23 25 26 28 27 29 30 32 31 33 34 36 35 37 38 16 39 17 42 44 43 45 46 48 47 49 50 52 51 53 54 56 55 57 58 60 59 CN9 PH2 0 2 28P 180 H4 3 1 2 4 3 5 6...

Page 30: ...CAMBRIDGE AUDIO 540R V3 Connect T Circuit Board and OSD Circuit Board 30...

Page 31: ...CAMBRIDGE AUDIO 540R V3 OSD and Connect T Circuit Board 31...

Page 32: ...2 0 R98 10 C108 0 1uF 50V R99 10K C109 8P R97 75 GND V2 COAX IN 1 2 3 4 5 CN28 5P 2 0 N C 1 TXD 2 RXD 3 DSR 4 GND 5 DR 6 CTS 7 RTS 8 N C 9 RS1 DB 09 MCU 5V TXD RXD GND TRTG 1 2 3 SW1 MSV 1260 G2 L G1...

Page 33: ...CAMBRIDGE AUDIO 540R V3 COAX Circuit Board 33...

Page 34: ...CAMBRIDGE AUDIO 540R V3 COAX Circuit Board 34...

Page 35: ...N VIDEO1 R IN VIDEO2 L IN VIDEO2 R IN CD AUX L IN CD AUX R IN VIDEO3 L IN VIDEO3 R IN TAPE L IN TAPE R IN SW OUT BS OUT SL OUT SR OUT C OUT FL OUT FR OUT ANALOG IN TO connect board B DOWN CONNECT BOAR...

Page 36: ...CAMBRIDGE AUDIO 540R V3 Connect Circuit Board 36...

Page 37: ...ND 2GND 1GND FRout FLout Cout SRout SLout BSout TO AMP BRD Speaker out put port 1 2 3 CN7 3P 2 5 1 2 3 4 5 6 7 CN20 7P 2 5 R41 10 1 4W R86 10 1 4W R98 10 1 4W C44 0 1uF 50V C48 0 1uF 50V C50 0 1uF 50V...

Page 38: ...53AF VGND R13 10 R12 10 VGND C29 104 C28 104 C14 47 16 C12 47 16 C13 47 16 R9 10K R10 10K VGND R11 10K R14 75 R15 75 R16 75 C25 47P C23 47P C26 104 C27 104 VGND RESET VGND VIN 1 GND 2 VOUT 3 IC1 KA780...

Page 39: ...CAMBRIDGE AUDIO 540R V3 YUV Circuit Board 39...

Page 40: ...3 3 C S 2 4 1 CS42518 CQ IC9 1 CS493264 CL IC8 0 1 D 9 D 8 D 3 D 2 D 1 D 8 4 1 4 N I 6 7 D 6 D 8 B 6 2 5 D 4 D G 4 0 1 B D 2 6 L 5 L 2 L 1 L B F 4 1 11 0592MHz Z2 1 12 288MHz Z1 8 N C 0 2 P 3 1 2 N C...

Page 41: ...14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R48 R49 R50 R51 R52 R111 R246 2 22K R118 R251 2 27K R75 R226 1 33K R5...

Page 42: ...C 0 7 C V 0 5 F u 2 2 5 Bill of Material for OSD Bom Used r o t a n g i s e D e p y T t r a P 4 JSR1162 002 U1 U2 U3 U6 1 JST1165 001 U4 1 74HCU04D IC8 1 TC74HC151AP U5 2 TC74HC4052AF IC1 IC2 2 TC74H...

Page 43: ...C84 C87 C88 C89 C90 9 100uF 10V C7 C8 C41 C48 C55 C82 C83 C102 C104 1 220uF 10V C31 1 0 1 C 6 8 C 5 8 C V 6 1 F u 0 1 3 5 0 1 C 3 0 1 C 1 8 C 3 3 C V 6 1 F u 2 2 4 7 0 1 C 0 0 1 C 9 9 C 8 9 C 4 5 C 7...

Page 44: ...C 6 1 1 L B 2 5 2 B M 1 2 L B G 1 0 1 B D 1 2 5 D 8 D 4 4 D 3 4 D 6 2 D 0 4 D 9 3 D 1 0 0 4 N 1 7 6 1 D 5 1 D 4 1 D 3 1 D 2 1 D 1 1 D 0 1 D 9 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 8 4 1 4 N 1 3 4 D17 D18 D19...

Page 45: ...R227 R228 R245 R247 1 33K R176 14 47K R5 R13 R32 R33 R51 R52 R65 R66 R102 R113 R136 R146 R203 R211 11 100K R3 R38 R39 R47 R48 R99 R134 R178 R201 R246 R174 6 470K R10 R60 R61 R109 R142 R208 9 8 C 5 6 C...

Page 46: ...m Used r o t a n g i s e D e p y T t r a P 3 2 N C 5 2 P 2 1 7 N C 5 2 P 3 1 0 2 N C 5 2 P 7 1 1 1 K J 0 1 K J B 0 1 6 P W 2 4 1 1 R 0 1 1 R 8 0 1 R 8 9 R 6 8 R 1 4 R W 4 1 0 1 6 0 8 C 9 7 C 8 7 C 7 7...

Page 47: ...2 28P DIP 180 CN8 Bill of Material for Connect B Bom Used r o t a n g i s e D e p y T t r a P 7 2SC3326 SC 59 Q1 Q2 Q3 Q4 Q5 Q6 Q7 2 13P 2 0 90 CN1 CN2 1 16P 2 0 90 CN5 1 17P 2 0 90 CN4 1 PH2 0 2 28P...

Page 48: ...4 6 1 22uF 6 3V SMD C36 1 220uF 6 3V SMD C35 4 1000PF 50V 0603 C12 C13 C37 C38 1 100uF 10V SMD C34 13 0 01uF 50V 0603 C3 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 8 0 1uF 50V 0603 C1 C2 C5 C16 C...

Page 49: ...9 INH 6 IC6 TC74HC4053AF Q5 14 Q6 13 Q7 12 Q1 4 Q2 5 Q3 6 Q4 7 Q8 11 QS 9 CS 10 CLK 3 SDA 2 STR 1 OE 15 VDD 16 VSS 8 VIN1 1 VIN2 8 VO1 4 VO2 5 VS1 3 VS2 6 GND 2 VCC 7 IC10 NJM2267 C out 8 Y out 14 Vre...

Page 50: ..._EMOE_GPIO11 5 MCLK 44 SCLK 43 LRCLK 42 AUDATA0 41 AUDATA1 40 AUDATA2 39 XMT958_AUDATA3 3 CMPCLK_SCLKN2 28 STCCLK_SCLKN1 25 LRCLKN1 26 CMPREQ_LRCLKN2 29 CLKSEL 31 FLT2 32 FLT1 33 CMPDAT_RCV958_SDATAN2...

Page 51: ...C 61 HPD2 62 SDA2 63 SCL2 64 GND 65 GND 66 B21 67 A21 68 VCC 69 B22 70 A22 71 GND 72 B23 73 A23 74 VCC 75 B24 76 A24 77 GND 78 VCC 79 HPD1 80 IC1 TMDS341APFC V IN 3 GND 1 V OUT 2 IC3 LD1117S3 3 C1 1 V...

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