Canon NEW F-1 Service Manual page 15

11. Front Panel Lead Soldering
11.1. Put flux on the main circuit board solder lands.
11.2. Solder from the bottom up.
11.3. Dress extra lead toward the bottom as shown.
Note: Numbers in parentheses in the text correspond to circled numbers on page 12.
Disassemble in normal order and reassemble in reverse order.
Canon NEW F-1 Service manual
Assembly and Adjustment Notes
Page 15
Note: The thick white lead goes to the
P.C. terminal.