This service manual provides comprehensive instructions and technical specifications for the SHARP QT-CD250H and QT-CD250W car stereo systems. It covers all aspects of servicing these models, including detailed information on the AC power supply cord and AC plug adaptor for the QT-CD250W. You'll also find important safety precautions specifically for service technicians, along with service notes relevant to the UK market for the QT-CD250H model. For the QT-CD250W, the manual includes detailed instructions on voltage selection. The manual concludes with a comprehensive list of specifications for both models.