Apple Macintosh Performa 577 - Manual (Page 68)

Take Apart Chassis Harness Assembly - 33
For more information, refer to Apple Service Guide ,
Macintosh Computers, Vol. 3 (1994), page 110.
Service Parts Now Available for Chassis 922-1824 and
922-0557
661-0981 Shield Kit (EMI shielding)
922-1825 PCBA Front Panel (front panel control board)
922-1826 Speaker Assembly (speaker and wire)
922-0117 Screw
076-0489 Chassis Kit (bare chassis)
922-0503 FoxConn Cable Assembly (logic board connector
and cable assembly)