This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
Text excerpt from page 47 (click to view)
Step 5 Remove 3 screws. Step 6 Remove the CD Servo P.C.B. and turn it over. Note: Insert a short pin into FFC of the optical pickup. Step 7 Rotate the traverse deck (B) to the arrow direction and shift the optical pickup to the furthest backward.
Step 8 Remove the catch of the drive rack, and take out the drive rack.