Protection Circuit; Cleaning - Pioneer VSX-41kuxji Service Manual

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7.3.3 PROTECTION CIRCUIT

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1. DC abnormal detection
It processes more preferentially than overload detection.
When detected DC abnormal, A.MUTE* is on
and speaker relay is off, then flash
An unusual state continues for 3 seconds.
The power key cannot be effective for 60 seconds
If the AC plug is pulled off within 60 sec, and then it is plugged in again, the unit will be reset for 60 sec.
2. Overload detection
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When detected overload, A.MUTE* is on and
An unusual state continues for 3 seconds.

7.4 CLEANING

Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:
Position to be cleaned
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"AMP_ERR" on display.
↓'
↓ continuation
A power supply is shut off.
↓'
speaker relay is off, then flash
"OVERLOAD" on display.
↓'
↓ continuation
A power supply is shut off.
Cleaning tools
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Cleaning paper : GED-008
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*A.MUTE : Audio mute command
A program is performed from the
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A power supply is shut off even if it
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VSX-D811S-K
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↓ return
beginning.
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↓ return
returns.
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