Table 2-1. Troubleshooting - Continued
TEST OR INSPECTION
Figure 2-63. Removal of printed circuit board.
b. Unfasten ten screws securing the printed circuit board to mounting brackets and loosen the board
to obtain access to electrical connectors.
To avoid damage to the electrical connectors, alternately back-off each of the two attaching screws when removing tbe
c. Disconnect two electrical connectors (2A2J5 and 2A2J6) by unfastening two screws at each connector.
pins A and A6, B and B6, and C and C6.
If continuity is not present, replace a bad MODE SELECT switch.
(1) Place MODE SELECT switch to GC position (fig. 2-64).