A comprehensive Operating and Service Manual. All schematics are complete and easy to read. The PCB drawings and complete parts list are very helpful. I would definitely recommend this manual.
Genuine Toshiba owner's manual. Couldn't really ask for more. And written in understandable English in contrast to a few recent experiences I have had with manuals for other equipment other than Toshiba but made in China and written in "Chinglish"!
Text excerpt from page 181 (click to view)
Using the Menus Option Speaker Description ON OFF Select to turn on the projection TV speakers. Select to turn off the projection TV speakers and listen to the projection TV's sound only through your external audio system speakers. The projection TV�s speakers are turned off, but the volume output from your audio system can still be controlled by the projection TV�s remote control. The projection TV�s speakers are turned off and the volume, bass and treble output of the projection TV is fixed. Use your audio receiver�s volume control to adjust the volume through your audio system. Using the Menus