SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
For continued X-Radiation protection, replace picture tube with original type or HITACHI approved
equivalent type.
This Service Manual is intended for qualified service technicians, it is not meant for the casual
do-it-yourself. Qualified technicians have the necessary test equipment and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
Improper performed repairs can adversely affect the safety and reliability of the product and may void
warranty. If you are not qualified to perform the repair of this product properly and safely, you should
not risk trying to do so and refer the repair to a qualified service technician.
WARNING
When servicing or handling circuit boards and other components that contain lead in solder, avoid
unprotected skin contact with solder. Also, when soldering does not inhale any smoke or fumes
produced.
2