DR1200T.4

     A Modification for the DR1200T to prevent lamp burnouts:
				Part 3 of 4 Parts
        From Jim, KD6QVO, Santa Clara, CA, and Lou, KE6EOI, Milpitas, CA. 

     1. Center a 1/4 inch switch mtg. hole on the side of the chassis adjacent 
        to the channel selector switch approx 3/8 inch above center.

     2. Remove the display from the PWA. Before it is reassembled the rubber 
        connector must be removed and flattened by pressing on it with your 
        thumb to increase its length slightly to insure good contact to the 
        PWA.

     3. Locate the solder tabs for the display lamp near the volume control, 
        there is a VIA about 3/8 inch from the bottom tab.

     4. Solder a 6 inch wire into this VIA so it exits on the side of the PWA 
        opposite the display. Run the other end to the new switch.

     5. Now for the tricky part! This trace runs from this VIA under the 
        volume control to a connector marked CN202, pin 12. It's near the 
        power on/off switch and LED. Cut this trace with the xacto knife, 
        anywhere from this VIA and pin 12. The point I picked was 
        approximately 3/8 inch from the VIA right below the edge of the
        metal housing for the display, right before it goes under the volume 
        control. Watch out for the trace just below it.

     6. Connect another wire from the other side of the switch to the bottom 
        side of the connector CN202 pin 12.

     7. Test for a clean break of the trace (do not add the display to the 
        PWA yet) by connecting the radio to a supply and turn on, lights 
        should go out when the button is pressed. If the switch does not 
        control them inspect for a clean cut. 

			Continued in Part 4 of 4

CONTINUED IN DR1200T.5