Apple 5300/100 LC Benutzerhandbuch

 

 REA Procedures

Repair Overview for Freezing and Video Color Hue Issues - 2

 

Perform these steps for Power Macintosh/Performa 52xx, 

53xx computers exhibiting system freezes:

• Note the unit’s external cable hookups.

• Remove the I/O door.

• Remove the logic board.

• If the clock chip at U10 is not p/n 343S1191 or 

343S1121, replace the logic board. (Ignore any letters 

following the part number.)

• If the Cache/ROM DIMM is laid out 

 

 as illustrated 

and has 

 

 sticker on the middle vertical IC, replace the 

DIMM.

• If an Ethernet card is installed and the card fence doesn’t 

hook onto the logic board fence, replace the card fence.

• If you are not replacing the logic board, replace the EMI 

clips.

• Upgrade RAM for U.S. and Canadian Education customers.