Sun Microsystems SPARCclassic Service Manual page 82

2. Disconnect the keyboard soft power-on cable from its connector next to the
3. Disconnect the LED/speaker cable from its mating connector on the main logic
4. Disconnect the diskette drive and hard disk drive data cables from their
5. Remove the main logic board.
1. Pull the main logic board extractor lever toward the front of the system unit to
2. Raise the speaker assembly to allow removal of the main logic board
3. Grasp the board by the SBus connectors with both hands. Tilt the board
4. Place the main logic board on an antistatic mat.
Figure 8–4
SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual ♦ Revision A, November 1993
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12-pin power supply connector.
board.
connectors at the front of the main logic board.
disconnect the main logic board from the system I/O board (see Figure 8–4).
(see Figure 8–5).
slightly to avoid the speaker assembly and lift it up and out of the system unit
(see Figure 8–6). Avoid handling any of the delicate electronic components or
touching any of the circuit board traces.
Extracting the Main Logic Board