25
13) FAN TEST
FAN speed increases when the temperature on the heat-sink goes above 60 °C.
14) BURN IN TEST.
Settings:
Amplifier in stereo mode with music signal, output clipping level driven
into 4 ohm load.
Observe that amplifier doesn’t go in to protect even after 4 hrs.
15) Factory settings.
- Front Level controls at min.
- Power switch OFF
- Mode selection switch in Stereo position
- EQ Processing switch OFF
- Bass Boost switch OFF
- Frequency control at 45Hz