D4.16
T858/859 Fault Finding
M850-00
31/09/98 Copyright TEL
Caution:
Do not operate the PA with the PCB detached as the heatsink is used
for earthing and heat dissipation.
To replace the PCB, reverse the order of removal, taking care that the wiring is cor-
rectly positioned and not 'pinched'.
Q1/Q3 Only: Torque down the retaining nut to the correct torque (0.7Nm/
6lb-in.).
Make sure that the heatsink compound has stayed clean, and that the insulating
pad for Q16 is not damaged.
If you have difficulty refitting the LEDs, try pushing the body of the LED back
into the grommet with a thin screwdriver or spike.
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