Cambridge Audio 540R V2.0 Service Manual

Cambridge Audio 540R V2.0 Service Manual

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First Issue Date: 29th June 2006
Second Issue Date: 9th October 2006
Third Issue Date: 02nd February 2007

SERVICE MANUAL

SPECIFICATIONS:
Audio Section
Power Output
Output Impedance
THD (unweighted)
Line Input
Input Impedances
Frequency Response
Tone Control Range
S/N ratio (ref 1W/8 Ohm)
Subwoofer Output
Rated Output/Impedance
Frequency Response
FM Tuner Section
Frequency Range
Sensitivity
Antenna Terminal
AM Tuner Section
Frequency Range
Sensitivity
Signal to Noise Range
Antenna
Power Requirement
Max Power Consum ption
Dimensions (W x D x H)
Weight
Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
540R V2.0
Front
100W RMS x 2 (8 ohm, 1% THD)
Centre
100W RMS (8 ohm, 1% THD)
Surr. (L/R)
100W RMS x 2 (8 ohm, 1% THD)
Surr. Back
100W RMS (8 ohm, 1% THD)
Front (L/R)
8 ohm
Centre
8 ohm
Surr. (L/R)
8 ohm
Surr. Back
8 ohm
less than 0.05%
150mV/47k
20Hz~25KHz+0.5/-1dB
Bass ± 6dB - Treble ± 6dB
75dB
150mV/10k
10Hz~300Hz+3dB
87.5~108MHz
14dB (5uV)
75 ohm (unbalanced)
522~1629kHz, 9kHz step
68 dB/M
30 dB
Loop Antenna
AC230V~50Hz
615 Watts
350 x 430 x 150
15.8kg
AP19914/3
1

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Summary of Contents for Cambridge Audio 540R V2.0

  • Page 1: Service Manual

    540R V2.0 First Issue Date: 29th June 2006 Second Issue Date: 9th October 2006 Third Issue Date: 02nd February 2007 SERVICE MANUAL SPECIFICATIONS: Audio Section Power Output Front 100W RMS x 2 (8 ohm, 1% THD) Centre 100W RMS (8 ohm, 1% THD) Surr.
  • Page 2: Table Of Contents

    540R V2.0 SERVICE MANUAL TABLE OF CONTENTS Front Panel Information Remote Control Remote Control Function Rear Panel Information Exploded Diagram Exploded Diagram Parts List PCB Interconnect Diagram Decoder PCB Schematic 11-13 Decoder PCB Board Layout 14-15 Main Board – Power Supply PCB Schematic Power Output &...
  • Page 3: Front Panel Information

    Cambridge Azur 540R V2.0 AV Receiver Volume azur 540R AV Receiver Video 1 Video 2 Video 3 Tuner FM/AM Tape/MD/CDR CD/Aux 6.1 Direct Standby/On Video Left Right Tuning Phones Mode/Store Stereo Dolby Digital EX Pro Logic Input DTS ES Neo 6...
  • Page 4: Remote Control

    Cambridge Azur 540R V2.0 AV Receiver Remote Control...
  • Page 5: Remote Control Function

    Cambridge Audio Azur 540R V2.0 AV Receiver NO. & NA M E DE SC R I PT I ON NO. & NA M E DE SC R I PT I ON Press this button to turn this unit on or - Direction button.
  • Page 6: Rear Panel Information

    Cambridge Azur 540R V2.0 AV Receiver 12 13 FM / A M antenna TV /Mon Out S-V ideo out ….. using the S-Video cable to connect this terminal to the corresponding terminal on the TV set. C omposite Video out ….. using the RCA cable to connect this terminal to the corresponding terminal on the TV set.
  • Page 7: Exploded Diagram

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Exploded Diagram...
  • Page 8: Exploded Diagram Parts List

    Cambridge Audio Azur 540R V2 AV Receiver . l e 6531 1010 0011 VOLUMN KNOB AL SKIN 5331 1010 0000 SCALEBOARD 7631 1010 0000 MR CONTROL BOX BUTTON CUSHION 7331 1010 0011 MR CONTROL BOX BUTTON 0554 0117 1001 PHONE PCB 5011 3014 1000 SCREW BTB3.0X14...
  • Page 9 Cambridge Audio Azur 540R V2 AV Receiver 0054 1003 2005 MAIN PCB 5040 8000 0001 WASH 5331 1050 0011 TRANSFORMER BRACKET 5020 3006 0360 5040 0300 0000 SPRING WASHER 5030 0800 3210 WASH 3.2 x 8.0 x 1.0mm 5020 8012 0201...
  • Page 10: Pcb Interconnect Diagram

    Cambridge Audio Azur 540R V2 AV Receiver Power Cord in Remote Board Speaker Board Tuning Upgrade 2P CN4 Board Board OSD Board 13P CN1 Coaxial Switch CN23 CN20 Board Board Board HEAT-VARIABLE RESISTOR Transformer CN16 Main Board 2P CN4 13P CN4...
  • Page 11: Decoder Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver 2.5VD 4148 IC18 LD1117S3.3(SOT-223) 47/25 2.2/50 4148 2.2/50 2.2/50 10/16 V OUT V IN DGND DGND DGND DGND 4148 2.2/50 DGND 100/10 FLT2 DGND1 DGND1 DGND1 10/16 CLKSEL DGND1 SCDIN_A1 FLT1 DGND DGND...
  • Page 12 Cambridge Audio Azur 540R V2.0 AV Receiver R216 6.19K AGND C180 C157 AGND C122 C123 R200 R176 5.49K 2.94K IC3B R126 R208 2068 R184 1.65K 10/16 10/16 10/16 10/16 10/16 10/16 10/16 10/16 47/25 47/25 R192 C149 1.87K C173 C188...
  • Page 13: Decoder Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver IC14 TC4053BF Y COM R133 X COM IC20B R141 2068 AINR+ 100/10 R119 R135 90.9 DVD BR Z COM 1.5K C108 DSP BR R134 272M R123 DVD/DSP R142 AINR- AGND 2068 AGND R145 90.9...
  • Page 14: Decoder Pcb Board Layout

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Decoder PCB Board Layout (1 of 2)
  • Page 15 Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Decoder PCB Board Layout (2 of 2)
  • Page 16: Main Board - Power Supply Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver INDICATES SAFETY CRITICAL COMPONENTS. TO REDUCE THE RISK OF ELECTRIC SHOCK LEAKAGE VIDEO3 board AV3-8.4-14 CURRENT OR RESISTANCE MEASUREMENTS SHALL BE CN21 5P2.5 R117 ~7.5V CARRIED OUT(EXPOSED PARTS ARE ACCEPTABLY R IN 1.5A...
  • Page 17: Power Output & Speaker Protection

    Cambridge Audio Azur 540R V2.0 AV Receiver MUTE-DELAY 2.2U/50V/NP RELAY+15V C9 47UF/50V C171 2.2K RELAY-STOP 470U/10 S+12V +55V 1.8K 470K 5.6K/0.25W IN4001 JZC-42F JZC-42F JZC-42F 4.7/0.5W 2.2K 8.2K C2240 10U/16V over load 150P C2458 5.6K/0.25W L-IN + C6 C2073 1.5K...
  • Page 18: Main/Video Out/Speaker Connections Pcb Board Layout

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Main / Video Out / Speaker Connections PCB Board Layout...
  • Page 19: Osd Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver CD-COAX-IN V1/V2-COAX-IN D+5V D+5V DVD-COAX-IN COAX-OUT 6P2.0 100/10 DGND DGND OPT-IN IC8C DGND IC8E D+5V 74HCU04D TORX179 IC3-9 74HCU04D IC3-11 DGND VIDEO 3/CD VIDEO 1 VIDEO 2 IC8B VGND TC74HC151AP IC8D 7P2.0 74HCU04D...
  • Page 20: Osd / Co-Axial In/Out / Connect Board B / Control Bus)

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 OSD / Co-axial In/Out / Connect Board B / Control Bus PCB Board Layout...
  • Page 21 Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 OSD / Connect Board B / Co-axial in/out / Control Bus PCB Schematic...
  • Page 22: Yuv Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver KA7805 VOUT FR0.22/0.5W AC +V 100/10 AC -V 2200/16 DB104G 103M/100V 3P2.5 FR0.22/0.5W VGND VGND 2200/16 100/10 VOUT NJM7905FA 7P2.0 VGND VGND VIDEO-Y VIDEO-Cb 47uH DT 4114L(9.5mm) VIDEO-Cr VGND AV3-8.4-14/EC 47uH 100/10 47/16...
  • Page 23: Yuv Pcb Layout

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 YUV PCB Board Layout...
  • Page 24: Input / Outputs Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver JK1A AV4-8.4-13/EC TAPE REC C111 C113 330P C110 330P AV2-8.4-13/ES USB UPDA PORT C112 C114 330P 330P CN12 JK12 RS232 AV2-8.4-13/ES TO DECODER BOARD VIDEO1 CN13 R178 C126 C122 C129 330P 330P R180 5P(2.0)
  • Page 25: Display Board Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver HL-D135A 1N4148 1N4148 1N4148 OPTICAL ON/OFF VIDEO ON/OFF 1N4148 POWER ON/OFF MUTE -27V MUTE-DELAY 6P*2.0 1N4148 1N4148 UPD16311 KEY1 KEY1 - 3mm Blue LED KEY2 KEY2 KEY3 KEY3 KEY4 KEY4 0.1uF 10/10 -27V...
  • Page 26: Display / Volume / Av3 Pcb Layout

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Display / Volume / AV3 PCB Layout...
  • Page 27: Co-Axial In/Out / Control Bus Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver 100/10 IC9A 74HCU04D AV4-8.4-14/EC CD-COAX IN V1/V2-COAX IN IC9F 74HCU04D DVD-COAX IN IC9B 74HCU04D COAX OUT 6P2.0 IC9E 74HCU04D IC9C 74HCU04D IC9D 74HCU04D AV-8.4-8/ES LTV817A 3P2.0 C3361 4.7K 4.7K RGND To enhance viewing, please print to A3...
  • Page 28: Connect Board B

    Cambridge Audio Azur 540R V2.0 AV Receiver CONNECT BOARD B SW-IN BS-IN SL-IN SR-IN C-IN FL-IN FR-IN REC-L OUT REC-R OUT DVD-L IN DVD-R IN VIDEO1-L IN VIDEO1-R IN VIDEO2-L IN VIDEO2-R IN CD/AUX-L IN CD/AUX-R IN TAPE-L IN TAPE-R IN...
  • Page 29: Connect Down Pcb

    Cambridge Audio Azur 540R V2.0 AV Receiver CONNECT DOWN C3326 SW IN BS IN SL IN SR IN C IN FL IN FR IN C3326 REC L OUT REC R OUT DVD L IN DVD R IN VIDEO1 L IN...
  • Page 30 Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 Connect Down PCB Schematic...
  • Page 31: Ac Input / Relay / Headphones Pcb Schematic

    Cambridge Audio Azur 540R V2.0 AV Receiver TO MAIN BOARD RAY1 +14V P ON/OFF AC1 OUT 103MAC250V IN4148 2P7.92 3P(2.0) ME-14F 4.7K AC2 OUT C2120 2P7.92 AC220~240V 50/60Hz IN + C3 TRANS1 220/10 TO SW 103MAC250V 2P7.92 0.22/275VAC 0.22/275VAC 2P7.92 2P7.92...
  • Page 32: Ac Relay / Headphones Pcb Layout

    Cambridge Audio Azur 540R V2.0 AV Receiver To enhance viewing, please print to A3 AC Relay & Headphones PCB Schematic...
  • Page 33: Bill Of Materials

    Cambridge Azur 540R V2.0 AV Receiver Used Part Type Designator Description MB252 DB101G 10U/16V C1 C18 C19 C39 C58 C83 152M C2 C20 C21 C41 C59 C84 122M C4 C24 C25 C45 C63 C87 100U/16 C6 C27 C28 C47 C64 C88 C95...
  • Page 34 Cambridge Azur 540R V2.0 AV Receiver IN4001 1N4001 D26 D43 D44 1N4148 D32 D33 1N4001 D39 D40 1N4570(27V) DW1 DW2 DW3 DW4 DW5 DW6 DW7 DW8 DW9 DW10 DW13 DW14 DW11 DW12 1N4742A DW15 T12AL 250V FH1 FH2 7805 AV4-8.4-13/EC AV2-8.4-13/ES...
  • Page 35 Cambridge Azur 540R V2.0 AV Receiver 10/1W 6.2K R101 4.7K R173 R243 100K R174 R176 2.4K/3W R229 4.7/1W R234 RF/0.22/1W R235 R242 3.3K/1W R241 680K R248 R249 02DSB282J Bill of Material for coax.Bom Used Part Type Designator 100/10 6P2.0 3P2.0 74HCU04D AV4-8.4-14/EC...
  • Page 36 Cambridge Azur 540R V2.0 AV Receiver 47/16 C31 C32 C37 C43 C54 100P C34 C35 C36 22/16 C81 C88 10.0/16 C85 C86 560P 7P2.0 6P2.0 CN2 CN3 640 6P2.0 / 540R 2P2.0 5P2.0 1N4148 D1 D2 D3 TC74HC4052AF IC1 IC2...
  • Page 37 Cambridge Azur 540R V2.0 AV Receiver TORX179 U1 U2 U3 GP1F32T TC74HC151AP 17.734475M 14.31818M Bill of Material for Y U V.Bom Used Part Type Designator 103M/100V 10.0-00 C2 C3 100/10 C4 C5 C15 C16 47/16 C12 C13 C14 3P2.5 7P2.0...
  • Page 38: Bill Of Materials

    Cambridge Azur 540R V2.0 AV Receiver 100K R7 R10 R13 R16 R19 R22 R24 R26 R28 R30 R32 R34 R25 R27 R29 R31 R33 R35 R43 R44 R49 R53 DT4113F S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S16 S17 S18 S19 S20...
  • Page 39: Ic Pin Layout Details

    Cambridge Audio Azur 540R V2.0 AV Receiver 74HCU04D Y COM VIN2 Z COM NJM2267 X COM VIN1 TC74HC4053AF TC74HC151AP COM-Y LC74786M COM-X TC4094AFN TC74HC4052AF To enhance viewing, please print to A3 IC Pin Layout Details (1 of 2)
  • Page 40 Cambridge Audio Azur 540R V2.0 AV Receiver DA/AD IC18 LD1117S3.3(SOT-223) FLT2 V OUT V IN CLKSEL SCDIN_A1 FLT1 RMCK AOUTA1+ WR_DS_EMWR_GPIO10 AOUTA1- SAI_SCLK CS493263-CL EMAD0_DATA0_GPIO0 MCLK SAI_LRCK AOUTB1+ EMAD1_DATA1_GPIO1 SCLK ALE/PROG# P1.0 SAI_SDOUT AOUTB1- EMAD2_DATA2_GPIO2 STCCLK_SCLKN1 PSEN# IC11 P1.1 EMAD3_DATA3_GPIO3 CMPCLK_SCLKN2 P2.7...
  • Page 41: Serviceable Parts List

    Cambridge Audio Azur 540R V2.0 AV Receiver PF015 111094000160 2SA940 PF016 112081700140 2SB817 PF017 113207300160 2SC2073 PF019 114104700130 2SD1047 PF024 4000 1355 1000 EI 35 standby transformer (sames as 540R V1) PF034 7531-1040-0000 Right support 540R PF035 7531-1050-0000 Left support 540R...

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