Canon NEW F-1 Service Manual page 9

12. SV Brush Adjustment
12.1. Set the SV (ASA.) dial to ASA 6400 -1/3.
12.2. Set the exposure compensation dial at "1".
12.3. Check the position of the brush through the P.C. terminal hole.
Note: Shining the light source (a penlight or the illuminator D or M) through the
loupe makes the brush position easier to see.
12.4. Look at the underside of the SV board to check if the brush
if the brush is positioned as shown on the ASA 6400 -1/3 pad.
Note: It must stay on the pad at both extremes of dial play.
12.5. Set the dial to ASA 6400 and check that the meter doesn't
vary suddenly either up or down.
12.6. If the adjustment is not correct adjust the SV board eccentric.
13. After installing the top cover (35), check the operation of the NORMAL-TIMER-LAMP
switch.
It should switch from one function to the next as shown.
Canon NEW F-1 Service manual
Assembly and Adjustment Notes
Page 9