Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
Text excerpt from page 24 (click to view)
Optical Adjustments
Relay lens-Out adjustment 1 Turn the projector on by a state of without FPC cables. 2 Project all of lights on the screen. 3 Adjust the adjustment base of relay lens assy to make color uniformity in white. 1) If the shading appears on the left or right of the screen as shown in Fig.4-1, loosen 1 screw A with the 2.0mm hex driver, and adjust the slot B to make color uniformity in white by using a slot screwdriver. 2) If the shading appears on the top or bottom of the screen as shown in Fig.4-2, loosen 1 screw C with the 2.0mm hex driver, and adjust the slot D to make color uniformity in white by using a slot screwdriver. 4 Tighten the screws A and C to fix the relay lens unit. b White a
