This document is a service manual for COLOUR TELEVISION C00P Chassis 40WH08G,40WH08B, which introduces the safety instructions, component adjustment, service mode and other contents.
This service manual provides detailed procedures for servicing Toshiba 40WH08G/40WH08B colour televisions. It includes safety instructions, high‑voltage precautions, and step‑by‑step guidance for CRT removal, component adjustments, and chassis replacement.
The document also contains circuit block diagrams, parts lists, and specifications needed by technicians to diagnose and repair the unit safely and effectively.
Read the X‑ray radiation precaution, safety precaution and product safety notice, use an isolation transformer, discharge the picture‑tube anode, and avoid magnetized screwdrivers.
The high voltage must not exceed the specified limit (B) kV.
Remove the CRT drive board, SVM coil and deflection yoke, then the lens assembly, detach the anode cap and finally remove the CRT assembly.
Do not use a magnetized screwdriver on the deflection yoke screws, as it can magnetize the electron gun.