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The service manual is really great - thanks to it I was able to install the laser unit and thus "save" my CD-player, which seemed to be impossible before I had the manual.
Downloaded the Service manual OK of the Technics Piano and have now repaired it and its going fine. Excellant; thank you for the fine servce. A.M
Text excerpt from page 5 (click to view)
SERVICE NOTE
1. POWER SUPPLY DURING REPAIRS
In this unit, about 5 seconds after power is supplied (4.2V) to the battery terminal using a regulated power supply, the power is shut off so that the unit cannot operate. This following three methods are available to prevent this. Take note of which to use during repairs.
Method 1.
Decrease the voltage to 3Vdc.
Method 2.
Connect the servicing remote commander RM-95 (J-6082-053-B), and set the remote commander switch to the �ADJ� side.