Instruction manual

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6.10. OSCILLATOR ASSEMBLY REMOVAL/REPLACEMENT
If a fault is found that requires the replacement of the oscillator assembly, perform the following
steps. Refer to Figure 6-1.
1. Turn off the front panel circuit breaker.
2. Unscrew the two captive screws holding the oscillator panel to the cabinet panel.
3. Unplug the oscillator module from the front panel.
4. To replace the assembly follow the above steps in reverse order.
6.11. POWER AMPLIFIER ASSEMBLY REMOVAL/REPLACEMENT
If a fault is found that indicates the failure of a power amplifier assembly, perform the following
steps to remove and replace the amplifier. Refer to Figures 6-1 and 6-2.
1. Turn off the front panel circuit breaker.
CAUTION Allow 10 minutes for the input capacitors to bleed to a safe voltage before
attempting to remove an amplifier or check an associated fuse.
2. Disconnect power to the cabinet.
3. Open the cabinet front door and remove the two #8 screws that hold the top edge of
the failed amplifier front panel to the cabinet.
4. Remove the screen panel from the rear of the cabinet.