Cambridgeaudio 740A pwr sm
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Extracted text from cambridgeaudio 740A pwr sm (Ocr-read)
Page 2
740A SERVICE MANUAL
TABLE OF CONTENTS
Safety Precautions & Important Notes
Exploded Diagrams
Exploded Diagram Parts List
Front Panel PCB Schematic (Tone Control)
Front Panel PCB Schematic (Microcontroller & LCD)
Front Panel PCB Layout (Top Side)
Front Panel PCB Layout (Bottom Side)
Front Panel PCB BOM
Preamp PCB Schematic (Tone Control)
Preamp PCB Schematic (Protection Circuitry)
Preamp PCB Schematic (Power Supply)
Preamp PCB Schematic (Headphone Driver)
Preamp PCB Schematic (Buffers & Switches)
Preamp PCB Board Layout (Top Side)
Preamp PCB Board Layout (Bottom Side)
Preamp PCB BOM
2]
21
23-26
Amplifier Schematic (Speaker PCB)
Amplifier Schematic (Right Channel)
Amplifier Schematic (Left Channel)
Amplifier Schematic (Protection)
Amplifier Schematic (Power Supply)
Amplifier PCB Board Layout (Top Side)
Amplifier PCB Board Layout (Bottom Side)
Amplifier PCB BOM
27
28
29
30
3]
32
33
34-36
Abus Schematic
37
Abus PCB Board Layout (Top Side)
Abus PCB Board Layout (Bottom Side)
Abus PCB BOM
38
39
40-4 1
42
Mains Schematic (Mains)
Mains PCB Board Layout (Top Side)
Mains PCB Board Layout (Bottom Side)
Mains PCB BOM
43
44
45