Locate Test Points: Find the TP (Test Point) pins on the main power amp board as labeled in the schematic.
A bad manual is a scanned image. A manual is OCR’d (Optical Character Recognition). This means you can hit Ctrl+F and type "Thermal Diode" or "DC Offset" and jump directly to the page. You cannot do that with a JPEG slapped into a PDF. Yamaha Ca-r1 Service Manual BETTER
You can access official and community-archived versions of the manual through these platforms: Official Support Yamaha Manual Library to find digitized copies of vintage equipment manuals. Archive Sites : Reputable repositories like Elektrotanya Locate Test Points: Find the TP (Test Point)
Here is why the quality of your documentation is the difference between resurrecting a legend and creating a $2,000 boat anchor. 000 boat anchor.