Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Monitor Samsung_LE23R86BD_LE26R86BD_LE32R86BD_LE37R86BD_LE40R86BD_LE23R87BD_LE26R87BD_LE32R87BD_LE37R87BD_LE40R87BD_CH_GBP23-26-32-37-40SEN_PCB Diagram_[SM]
Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download
Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing.
If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.