43
19. Adjustments
Table 19-1 - Adjustments after Board Replacement
Board
Replaced
Adjustment
Service Manual page
Light Box
(Optical
Unit)
1. Screen Center Adjustment to center the picture.
2. Vertical Stripe Adjustments – There are alternate even and
odd rows of dots across the screen (L-R). Adj. the even dots
to the same brightness as the odd dots. First adj. red dots
with a Red field, then Green and finally Blue. You must be at
the screen to see the even vs. odd dots.
Section 3-5, page 43
Section 3-3, page 42
A board
Picture Adjustments (RF, video and component inputs are
adjusted for consistent white level and color).
Section 3-2, page 39
BB board
Same as above.
Section 3-2, page 39
BC board
Same as above except component video levels need not be
adjusted.
Section 3-2, page 39
M board
Same as for the A or BB boards unless the NVM IC9002 is
transplanted to the new M board.
Section 3-2, page 39
