7-36 Removal and Replacement
See Figure 7-28 for the locations of the PAL chip, oscillator crystal, and frequency select settings.
Frequency switch positions are shown in Figure 7-30
Figure 7-28 System Board Locations - K2xx/K4xx and 9x9KS
1-SW1 is the frequency select switch block 3-XY1 is the Clock Oscillator Crystal slot
2-U30 is the PAL chip 4 - J12/J13 Power Supply Connectors
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