Purpose: To prevent FPN Clock noise in the Video.

Status: Mandatory.
 

Circuit Card: FD 230 ADC Lum
 
 

Parts: Two RF choke ferrite beads P/N F3-122901-050 or equivalent.
 

Description:
 

Remove FD230 card.
 

1)

Remove two wires on solder lugs pins 15 and 16. Wind the wire three turns around the bead and reconnect to lugs.
 
 

2)
 

Remove the coax wire on solder lugs pins 7 and 8 under the metal can. Wind the wire three turns around the bead and reconnect to lugs. The wire may have to be lengthen to reach.

Install metal cover and card.