640C SERVICE MANUAL
TABLE OF CONTENTS
Safety Precautions & Important Notes
3
Laser Safety Precautions
4
Exploded Assembly Diagram
5
Main Assembly BOM (Silver Unit)
6-8
Front Panel PCB Schematic
9
Front Panel PCB Layout (Top Side)
10
Front Panel PCB Layout (Bottom Side)
11
Front Panel PCB BOM (Silver Unit)
12/13
Servo PCB Schematic
14
Servo PCB Schematic (Power Supply)
15
Servo PCB Layout (Top Side)
16
Servo PCB Layout (Bottom Side)
17
Servo PCB BOM
18/19
DAC PCB Schematic
20
DAC PCB Layout (Top Side)
21
DAC PCB Layout (Bottom Side)
22
DAC PCB BOM
23
Mains Input PCB Schematic
24
Mains Input PCB Layout (Top Side)
25
Mains Input PCB Layout (Bottom Side)
26
Mains Input PCB BOM
27
IC Pin Layout Details
28-33
Silver / Black Differences BOM
34