Dieses Servicehandbuch für den TOSHIBA 255T7B/255R7B Farbfernseher bietet detaillierte Anleitungen zur Reparatur Ihres Geräts. Es enthält umfassende Anweisungen, die mit anschaulichen Bildern und Schritt-für-Schritt-Anleitungen versehen sind, um Ihnen die Durchführung von präzisen Reparaturen zu ermöglichen. Das Handbuch umfasst ein breites Spektrum an Themen, darunter die Fehlersuche, die Demontage, die Wartung und die Reparatur von Komponenten.

The provided information seems to be incorrect. There is no vehicle or machine named "TOSHIBA 255T7B/255R7B COLOUR TELEVISION." It appears to be a mismatched product description, likely referring to a **TOSHIBA 255T7B/255R7B model television**.

The description suggests a service manual for this specific television model. This manual would contain detailed technical information and instructions for repair professionals to diagnose and fix any issues with the TV. It likely covers various aspects of the television's internal components, such as the power supply board, the display panel, the tuner, and the audio amplifier. The manual might include diagrams, schematics, and troubleshooting tips to help technicians identify and resolve problems efficiently.

It is important to note that working on electronic devices can be dangerous. Individuals without proper training and qualifications should not attempt repairs themselves. It is recommended to contact a qualified technician for any repair needs related to the Toshiba 255T7B/255R7B television.