Yamaha RX-V2065 Service Manual page 36

RX-V2065/HTR-6295
2-4. When the protection function worked due to abnormal voltage in the power supply section.
Cause: The voltage in the power supply section is abnormal.
Supplementary information: The protection function worked due to a defect or overload in the power supply.
Turning on the power without correcting the abnormality will cause the protection function to work in 1 second and the
power supply will be shut off.
2-5. When the protection function worked due to excessive heatsink temperature.
Cause: The temperature on the heatsink is excessive.
Supplementary information: The protection function worked due to the temperature limit being exceeded.
Causes could be poor ventilation or a defect related to the thermal sensor.
Turning on the power without correcting the abnormality will cause the protection function to work in 1 second and the
power supply will be shut off.
*
For detection of each protection function, refer to main menu described later.
● History of protection function
When the protection function has worked, its history is stored in memory with a backup.
Even if no abnormality is noted while servicing the unit, an abnormality which has occurred previously can be defined
as long as the backup data has been stored.
For details of the history of protection function, refer to main menu 21 PROTECTION HISTORY.
The history of the protection function is cleared when self-diagnostic function is cancelled by selecting PRESET
RESERVED (Memory initialized) of main menu 24 or when the backup data is erased.
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P R V P R T : x x x
AD value when the protection function is working
T H M P R T : x x x
AD value when the protection function is working