Table 2-1. Troubleshooting - Continued
TEST OR INSPECTION
Figure 2-38. Removal of BIAS control knob.
( 5 ) Remove five screws (fig. 2-39) securing edge-lighted panel off control panel.
( 6 ) Using orangewood sticks, lift edge-lighted panel off control panel.
Figure 2-39. Removal of edge-lighted panel.
(7). Remove parts attaching the switch to the electronic control panel assembly and remove.
(8). Unsolder the electrical leads from the defective switch and tag for identification.
(9). Install new switch in panel assembly and secure with attaching parts. Connect and solder
electrical leads to switch in accordance with the identification tags on the electrical leads.