Battery Replacement

Before you begin, remove the top cover. Warning If handled or discarded improperly, the lithium battery could explode. Review battery handling and disposal instructions in Bulletins Safety. Caution Review the ESD precautions in Bulletins Safety. Using a small flat-blade screwdriver, pry open the latch at the end of the battery holder and lift off the cover. 2 Grasp the battery and remove it from the holder. 3 Return the battery to Apple for proper disposal. For battery packaging and labeling...

Battery Verification

Before you begin, remove the top cover. Warning If handled or discarded improperly, the lithium battery could explode. Review battery-handling and disposal instructions in Bulletins Safety. Caution Review the ESD precautions in Bulletins Safety. 1 Set the voltmeter to the 10 volts DC scale. 2 Hold the positive probe of the voltmeter to the positive end of the battery (marked + on the logic board) and the negative probe to the negative end of the battery. 3 If the battery voltage is below 3.2...

Sound and Video

Video Display Centris 650 Quadra 650 supports these Apple monitors Macintosh 12 Monochrome Display Macintosh 12 RGB Display AppleColor High-Res RGB 13 Monitor Macintosh 15 Portrait Display Macintosh 16 Color Display Apple Two-Page 21 Monochrome Monitor Macintosh 21 Color Display Supports NTSC and PAL Supports VGA monitors 640 pixels by 480 pixels only and SVGA monitors 800 pixels by 600 pixels only with appropriate adapter cable Custom sound chip supports stereo playback from compact discs and...

Symptom Charts

1 Disconnect hard drive power cable and hard drive data cable. Reboot system. If startup sequence is normal, run Macintosh Hard Disk test and replace hard drive if necessary. 2 Disconnect floppy drive cable and reboot system. If startup sequence is normal, replace floppy drive. 3 Replace logic board. Retain customer's SIMMs. One-part error chord sounds during startupsequence screen is black, fan is 2 not running and LED is not lit 3 Clicking, Chirping or 1 thumping 2 Plug monitor directly into...