The Sony AV-3600 service manual was what I needed for the repair of this unit
Thanks for the good service
Dave
Text excerpt from page 19 (click to view)
General Operation
No. 1
Subject Initial setting
Operation Connect the power unit, checking jig, or necessary devices defined in each program. Apply the power and press the POWER button.
Result
2
Starting test program
Unit emits a buzz and ON Status screen appears on the display. Menu 1 screen appears on the display
Press ENTER button. * Refer to page 18 "To Start the Test Program". 3 Changing the menu screen Press "F3" to advance the menu screen. To turn back the menu page, press "F2". * Refer to page 18 for the menu screens. Select the program number on the menu screen. Follow guidances or messages which may be shown on the display. F6 button: Contrast down F7 button: Contrast up
4
Starting the test program
5
Contrast adjustment
6
When programs come to the end without an error..... To proceed to other tests, repeat the above operations 3 and 4.
The unit resumes the starting menu screen on the display.
7
When an error occurs...
The unit emits a buzz and the display shows an error code. * Refer to the error code message on page 35. Press "CLEAR" button. The display resumes the menu screen.