I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
A good and useful manual. With these, We was abled to isolate and pin point the component that was causing the problem. The total time spent in troubleshooting is very much reduced.
Text excerpt from page 8 (click to view)
11.4. Disassembly and assembly of key(s) - Follow the (Step1)-(Step3) of item 11.1. - Follow the (Step1)-(Step3) of item 11.2. - Follow the (Step1) of item 11.3. [Fig. 4]
11.4.1. Disassembly (white keys)
(Step1) Insert the thin solid board between white key and black key, push the claw (refer to [Fig. 5] ).
(Step2) While pressing slightly the front of the key, push the rear of the key forward to disengage the key claw from the chassis (refer to [Fig. 5] ).