Yamaha RX-V1800 Service Manual page 38
Av receiver/av amplifier
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Also See for RX-V1800:
- Owner's manual (841 pages) ,
- Owner's manual (157 pages) ,
- Owner's manual (424 pages)
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RX-V1800/HTR-6190/DSP-AX1800
Cause: The voltage in the power supply section is
abnormal.
Supplementary information: The abnormal voltage is
displayed in based on 5V as 255.
Turning on the power without correcting the abnormality
will cause the protection function to work 1 second later
and the power supply will be shut off.
Cause: DC output of the power amplifier is abnormal.
Supplementary information: The abnormal voltage is
displayed in based on 5V as 255.
Turning on the power without correcting the abnormality
will cause the protection function to work 3 seconds later
and the power supply will be shut off.
Cause: The temperature of the heat sink is excessive.
Supplementary information: The abnormal voltage is
displayed in based on 5V as 255.
Turning on the power without correcting the abnormality
will cause the protection function to work 1 second later
and the power supply will be shut off.
*
Additional causes of protection can be due to loose
connections, associated components, Microprocessor,
etc.
*
For the protection voltage value, refer to main menu
No. 11 described later.
38
When there is a history of protection
function due to abnormal voltage in
the power supply section
DIAGNOSTIC
PSx PRT:000
A/D conversion value of voltage
When there is a history of protection
function due to abnormal DC output
DIAGNOSTIC
DC PRT:000
A/D conversion value of voltage
When there is a history of protection
function due to excessive heat sink
temperature
DIAGNOSTIC
TMPx PRT:000
A/D conversion value of voltage
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