Cambridge Audio Azur 351R Service Manual
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Azur 351R AV Receiver
Specifications
Azur 351R AV Receiver
Audio
Power Output
THD
Crosstalk
Frequency response
S/N Ratio
Audio Input Impedance / Sensitivity
Digital Input Impedance
Tone Control
- Bass
- Treble
Tuner
- FM mode
HDMI
All audio modes supported except reception of native Direct Stream Digital (DSD). ARC and 3D-TV/deep colour pass through
supported. CEC and HEC not supported. (except as necessary for ARC)
General
Architecture
Audio Inputs
Video Inputs
Main Audio Outputs
Main Video Output
Recording Audio Outputs
Other connections
Standby power consumption
Max power consumption
Dimensions - H x W x D
Weight
Service Manual
All Channels : 70 watts rms per channel, 8 ohms (two channels driven)
All Channels : 50 watts rms per channel, 8 ohms (all 5 channels driven)
<0.006% @1kHz
<-60dB @ 1kHz
10Hz - 20kHz -1dB
>80dB 'A' weighted
47kOhms / 175mV or greater
75 ohms (Coaxial/S/P DIF)
+/-10dB @ 100Hz
+/-10dB @ 10kHz
87.5-108MHz, 75 ohm coaxial aerial
HDMI 1.4
EIA/CEA - 861D
HDCP 1.1
Cirrus Logic CS42518 24 Bit 192kHz capable CODEC for surround channels
+ 24 Bit 2 channel A/D conversion
Cirrus Logic CS497024 Dual 32 Bit DSP for surround decoding
4 Line Level Analogue, FM Tuner, 2 Digital Co-axial, 1 Digital Optical
4 HDMI (1.4a)
5 Amplified Speaer Outputs
1 RCA/Phono subwoofer output
1 HDMI (1.4a)
1 Line Level Analogue
1 ¼" / 6.35mm Headphone Output (32 To 600 ohms recommended)
1 RS232C 1
IEC type mains inlet
<0.5w
500w
100 x 430 x 330mm
8.2kg (18lbs)
Issue date: February 2013
PReliMinARy

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Summary of Contents for Cambridge Audio Azur 351R

  • Page 1 Issue date: February 2013 Service Manual PReliMinARy Azur 351R AV Receiver Specifications Azur 351R AV Receiver Audio Power Output All Channels : 70 watts rms per channel, 8 ohms (two channels driven) All Channels : 50 watts rms per channel, 8 ohms (all 5 channels driven) <0.006% @1kHz...
  • Page 2: Table Of Contents

    TAble of ConTenTS Specifications Table of Contents Front Panel Connections Rear Panel Connections Remote Control Front Panel exploded Diagram Amp PCB exploded Diagram lid exploded Diagram Bottom exploded Diagram Amp PCB Schematic Amp PCB Gerber Amp PCB BOM MCU Schematic MCU Gerber MCU BOM HDMi Schematic...
  • Page 3: Specifications

    Service Manual Azur 351R Technical specifications Audio Power Output All Channels : 70 watts rms per channel, 8 ohms (two channels driven) All Channels : 50 watts rms per channel, 8 ohms (all 5 channels driven) <0.006% @1kHz Crosstalk <-60dB @ 1kHz...
  • Page 4: Front Panel Connections

    Front panel connections Note: The 351R remembers the audio and video input type and processing Standby/On mode for each individual source input. These are recalled each time a source Switches the unit between Standby mode (indicated by a dim power LED) and is selected.
  • Page 5: Rear Panel Connections

    Service Manual Azur 351R Rear panel connections Service/Normal Mains voltage selector switch For dealer use only - Switches the 351R between normal (default) mode Switches the mains voltage between 115V and 220-230V. For use by and Service mode. Do not change the mode to service or make RS232 installer/dealer only.
  • Page 6: Remote Control

    Remote control The 351R is supplied with a dedicated remote control. Insert Audio In type the supplied AAA batteries to use. For full details of the Switches the audio between the types available for the current various adjustment functions available from the remote, refer source.
  • Page 7 Service Manual Azur 351R...
  • Page 8: Front Panel Exploded Diagram

    front Panel Assembly exploded diagram...
  • Page 9 SUB PANEL 7431-1030-0000 AZUR LIGHTGUIDE FOR 1 LED 7631-1030-0000 CAMBRIDGE AUDIO AZUR 4mm BUTTON CUSHION 7331-1030-0000 CAMBRIDGE AUDIO AZUR 4mm TAC SWITCH BUTTON 7631-1010-0000 CAMBRIDGE AUDIO AZUR 9mm BUTTON CUSHION 7331-1010-0000 CAMBRIDGE AUDIO AZUR 9mm TACT SWITCH BUTTON 7641-1020-0000 CAMBRIDGE AUDIO AZUR 7mm BUTTON CUSHION...
  • Page 10: Amp Pcb Exploded Diagram

    Amp PCb Assembly exploded diagram Amp PCb Assembly parts list PART NO. PART NAME SERVICE PART NUMBER QTY. 0001-9291-0000 AMP PCB ASSEMBLE PF564 5011-3006-0010 SCREW BTB 3.0×6.0 5015-3024-0040 BOLT M3.0×24.0×0.5 5015-3032-0040 BOLT M3.0×32.0×0.5 9102-2511-2211 FAN DC12V 0.18A 80*80*25 5333-103A-0000 HEATSINK BRACKET 5300-8030-0000 FAN BRACKET 5931-1020-0071...
  • Page 11: Lid Exploded Diagram

    Service Manual Azur 351R lid Assembly exploded diagram lid Assembly parts list PART NO. PART NAME SERVICE PART NUMBER QTY. 6131-111A-0011 WRAPOVER LID 5011-3006-0010 SCREW BTB 3.0×6.0...
  • Page 12: Bottom Exploded Diagram

    bottom Assembly exploded diagram...
  • Page 13 Service Manual Azur 351R bottom Assembly parts list PART NO. PART NAME SERVICE PART NUMBER QTY. TRANSFORMER PARTS BOLT 5030-8030-0200 TRANSFORMER BOLT METAL SUPPORT PLATE TRANSFORMER PARTS PLAIN WASHER M8 TRANSFORMER PARTS LOCK SPRING WASHER M8 TRANSFORMER PARTS NUT HEX M8.0...
  • Page 14: Amp Pcb Schematic 1

    Amp PCb Schematic 1 Amp-sch 1/2...
  • Page 15 Service Manual Azur 351R Amp PCb Schematic 2 Amp-sch 2/2...
  • Page 16: Amp Pcb Gerber

    Amp PCb Gerber Amp-pcb...
  • Page 17: Amp Pcb Bom 1

    Service Manual Azur 351R Amp PCb boM 1 Amp - bom Description Ref. Design Factory Part Number Service Part Number Cap. Ceramic 22PF 50V C12 C13 2115-5220-0110 Cap. Ceramic 150PF 50V C69 C71 2115-5151-0110 C8 C9 C49 C50 C51 C52 C53 C54 C55 C56 C57 Cap.
  • Page 18 Amp PCb boM 1 Description Ref. Design Factory Part Number Service Part Number Resistor - Carbon Film 1/8W ±1% 6.8K/1% 2401 0216 8211 Resistor - Carbon Film 1/8W ±1% 12K/1% 2401 0211 2311 Resistor - Carbon Film 1/8W ±1% 18K/1% 2401 0211 8311 Resistor - Carbon Film 1/4W ±5%...
  • Page 19: Mcu Schematic 1

    Service Manual Azur 351R MCU Schematic 1 MCU-sch 1/3...
  • Page 20 MCU Schematic 2 MCU-sch 2/3...
  • Page 21 Service Manual Azur 351R MCU Schematic 3 MCU-sch 3/3...
  • Page 22: Mcu Gerber 1

    MCU Gerber 1 MCU-pcb 1/2...
  • Page 23 Service Manual Azur 351R MCU Gerber 2 MCU-pcb 2/2...
  • Page 24: Mcu Bom 1

    MCU boM 1 MCU - bom Description Ref. Designator Part Number Service Part Number Resistor - Chip Film 0603 ±5% R113 FB1 2401 1220 0003 Resistor - Chip Film 0603 ±5% R167 R177 R185 2401 1221 0003 R202 R203 R204 R205 R206 R207 R208 R211 Resistor - Chip Film 0603 ±5% 2401 1223 3003...
  • Page 25 Service Manual Azur 351R MCU boM 2 Description Ref. Design Factory Part Number Service Part Number 0.001uF 50V C72 C122 C147 2115 6102 0130 Cap. - Chip Film 0603 ±10% X7R Cap. - Chip Film 0603 ±10% X7R 0.0012uF 50V...
  • Page 26 MCU boM 3 Description Ref. Design Factory Part Number Service Part Number IC - Hex Inverter 74HCU04D IC24 1049 1004 1200 Transistor S8050LT1 Q1 Q5 1108 0502 1828 Transistor S8550LT1 1108 5502 1828 Transistor KTD1304 Q3 Q6 Q9 Q10 Q11 1141 3040 0801 Transistor 2SC3361...
  • Page 27: Hdmi Schematic 1

    Service Manual Azur 351R HDMI Schematic 1...
  • Page 28 HDMI Schematic 2...
  • Page 29: Hdmi Gerber 1

    Service Manual Azur 351R HDMI Gerber 1...
  • Page 30 HDMI Gerber 2...
  • Page 31: Hdmi Bom 1

    Service Manual Azur 351R HDMI boM 1 HDMI - bom Description Part Number Service Part Number Ref. Designator Resistor - Chip Film 0603 ±5% 2401 1220 0003 Resistor - Chip Film 0603 ±5% R27 R28 2401 1221 0003 Resistor - Chip Film 0603 ±5%...
  • Page 32 HDMI boM 2 Description Ref. Design Factory Part Number Service Part Number 2*17P 2.0(90) Right angle 3100 0417 6000 Connector - Twin-Row Pin Header Connector - HDMI 11-33031112 JK1 JK2 JK3 JK4 JK5 2809 4411 3312 Crystal 24.576MHz(HC-49US/SMD) 2705 2457 6140 Crystal 28.6363MHz 2705 2863 6346...
  • Page 33: Smps Schematic

    Service Manual Azur 351R SMPS Schematic SMPS-sch TO AC115/AC230 SW...
  • Page 34: Smps Gerber

    SMPS Gerber SMPS-pcb...
  • Page 35: Smps Bom

    Service Manual Azur 351R SMPS boM SMPS - bom Description Service Part Number Ref. Designator Part Number Resistor - Carbon Film 1W ±5% 47K 2401-0524-7311 2401-0325-6111 Resistor - Carbon Film 1/4W ±5% Resistor - Carbon Film 1/8W ±5% 2401 0221 0211 Resistor - Carbon Film 1/8W ±5%...
  • Page 36: Display Schematic

    Display Schematic Display-sch...
  • Page 37: Display Gerber

    Display Gerber Display-pcb...
  • Page 38: Display Bom

    Display boM Display - bom Description Service Part Number Ref. Designator Part Number 2401 0224 7211 Resistor - Carbon Film 1/8W ±5% Resistor - Carbon Film 1/8W ±5% 2401 0224 7211 R22 R23 2401 0222 2111 Resistor - Carbon Film 1/8W ±5% Resistor - Carbon Film 1/8W ±5%...
  • Page 39: Phones Schematic

    Service Manual Azur 351R Phones Schematic...
  • Page 40: Phones Gerber 1

    Phones Gerber 1 Phones-pcb 1/2...
  • Page 41 Service Manual Azur 351R Phones Gerber 2 Phones-pcb 2/2...
  • Page 42: Phones Bom

    Phones boM Phones - bom Description Ref. Designator Part Number Service Part Number Connector - Straight Header 2P (2.0) 3100 4020 0200 Connector - Straight Header 3P (2.0) 3100-4030-0200 Connector - Straight Header 4P (2.0) 3100 4040 0200 Resistor - Chip Film 0805 ±5% 2401 8210 1400 R13 R14...
  • Page 43: Rs32 Schematic

    Service Manual Azur 351R RS232 Schematic...
  • Page 44: Rs32 Gerber

    RS232 Gerber 1 RS232-pcb 1/2...
  • Page 45 Service Manual Azur 351R RS232 Gerber 2 RS232-pcb 2/2...
  • Page 46: Rs32 Bom

    RS232 boM RS232 - bom Description Ref. Designator Part Number Service Part Number Resistor - Chip Film 0603 ±5% 2401 1221 0303 Cap. - Chip Film 0603 ±5% NPO 100PF 50V C6 C7 2103 5101 0130 0.1uF 50V C5 C8 C9 2115-6104-0130 Cap.

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