RIGOL 
  
  Service Guide for DM3000 Series 
To Disassemble and Assemble .................................................................... 5-5 
Handle, Rear Panel and Metallic Shell .......................................................... 5-5 
To Disassemble and Assemble .................................................................... 5-8 
Fuse Socket, BNC Module and GPIB PCB ..................................................... 5-8 
To Disassemble and Assemble ................................................................... 5-11 
Filter Board and Transformer ..................................................................... 5-11 
To Disassemble and Assemble ................................................................... 5-12 
Front Panel and LCD ................................................................................. 5-12 
To Disassemble and Assemble ................................................................... 5-13 
Multiplexer Board, Motherboard and Key Board PCB .................................... 5-13 
Chapter 6  Troubleshooting & Maintenance ........................................... 6-1 
DM3000 Principle Introduction .................................................................... 6-2 
Troubleshooting ......................................................................................... 6-4 
Common Troubleshooting .................................................................... 6-4 
Components Inspection ....................................................................... 6-7 
Replaceable Part List .......................................................................... 6-10 
Maintenance and Cleaning ......................................................................... 6-12 
Chapter 7  Service & Support ................................................................. 7-1 
Warranty ................................................................................................... 7-1 
Contact Us ................................................................................................ 7-3 
Index ................................................................................................................ 1