Great quality complete service manual! complete parts list and drawings. Thanks!
Text excerpt from page 89 (click to view)
December 12th, 1996
APPENDIX A. OPTICAL ADJUSTMENT (MECHANICAL) Adjustment
A.3.6. Scan Line Adjustment
V: 1 V T: 0.1 ms
1. Move the carriage so that the thin white line pattern [A] on the resolution chart is in the read position. The CCD detects the white line pattern when the output becomes as shown to the above left. 2. To align the CCD, turn the adjustment knob on the SBU to where the CCD output becomes as shown above right. Note: Turning the adjustment knob on the SBU may disturb the horizontal scanning starting position adjustment. Check whether the adjustment has been affected and adjust if necessary. 3. Tighten the screws on the CCD board. A.3.7. Final White Level Adjustment Repeat the White Level Adjustment procedure.