It's great to be able to obtain a precious technical information for a real old equipment. The one I got helps me a lot in the area of wiring diagram to repair my antique. PDF gave me clear enough information to find out thr details. Thanks for giving me the oppotunity to be able to access to almost vanished informations.
great manual readable & easy to downlaod to be recommanded
Text excerpt from page 8 (click to view)
TEST MODE
This model has a test mode function in the disassembled condition.
Screw
TP701 Screw
TEST
1. How to use the test mode: � Short the test land in the MAIN C.B. � Auto-stop function is not detected by micro-computer while test mode is active. Note: Make sure that the test land is opened after the test mode is de-activated. (Auto-stop function is not available with shorted land condition.) 2. How to disassemble the circuit board. � Removes the soldering part in the MAIN C.B . � Removes two screws.