Cambridge Audio Azur 840C, Service Manual

Page: 2 / 61

840C SERVICE MANUAL
TABLE OF CONTENTS
Safety Precautions & Important Notes 3
Laser Safety Precautions 4
Exploded Diagram 5
Exploded Diagram Parts List 6
Functional Block Diagram 7
Front Panel Circuit Diagram 8
Front Panel PCB Layout (Top Side) 9
Front Panel PCB Layout (Bottom Side) 10
Front Panel PCB BOM 11
Servo Circuit Diagram (DAC) 12
Servo Circuit Diagram (Servo) 13
Servo PCB Layout (Top Side) 14
Servo PCB Layout (Bottom Side) 15
Servo PCB BOM 16-17
Voltage Select Switch Circuit Diagram 18
Voltage Select Switch PCB Layout (Top Side) 19
Voltage Select Switch PCB Layout (Bottom Side) 20
Voltage Select Switch PCB BOM 21
DAC DSP Circuit Diagram (Abus) 22
DAC Test Signals (Main Signal Paths General) 23
DAC DSP Circuit Diagram (DSP) 24
DAC Test Signals (Main Signal Paths General) 25
DAC DSP Circuit Diagram (Filters) 26
DAC Test Signals (Main Signal Paths Left Channel) 27-28
DAC Test Signals (Main Signal Paths Right Channel) 29-30
DAC DSP Circuit Diagram (Supply) 31
DAC DSP Circuit Diagram (Flash) 32
DAC DSP Board Layout (Top Side) 33
DAC DSP Board Layout (Bottom Side) 34
DAC DSP PCB BOM 35-37
Mains PCB Circuit Diagram 38
Mains PCB Board Layout (Top Side) 39
Mains PCB Board Layout (Bottom Side) 40
Mains PCB BOM 41
IC Pin Layout Details 42-50
Circuit Description 51
Software Instructions 52-61
2