Yamaha PX10, Service Manual

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PX10/PX8/PX5/PX3
5-3. Statistics (Service only)
5-3-1. Browsing
Contents The operating condition statistic of amplifier is
inspected visually.
Refer to Statistics list.
Statistics list
Parameter Meaning Clear Object
Power ON The number of times of turn on the power.
Encoder The number of times of rotation. Yes
Attenuator-A The number of times of rotation. Yes
Attenuator-B The number of times of rotation. Yes
Data Broken The number of times of detecting data corruption.
/PS-HI-TEMP The number of /PS-HI-TEMP. Yes
Over Current The number of times that the excessive output exceeded the threshold.
Low Temp The number of times of being a low temperature per unit time.
Low Mid Temp The number of times of being a lower-middle temperature per unit time.
High Mid Temp The number of times of being a higher-middle temperature per unit time.
High Temp The number of times of being a high temperature per unit time.
Total Op The operation total number of seconds.
Long Op The number of times that hours operated were 24 hours or more.
Flicker The number of power fl icker counts.
Run Away The number of run away counts.
Advance preparation None.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.
Rotate the Main knob, con fi rm the all parameters.
<
Attention
>
The purpose of this inspection is to obtain the hint of a fault cause.
This inspection does not pinpoint a fault location.
5-3-2. Clear
Contents After exchanging the following parts, a related
statistic is cleared manually.
Exchanged parts Item to clear
SW301 Rotary encoder The number of times of rotation
VR301 Rotary potentiometer The number of times of rotation
VR302 Rotary potentiometer The number of times of rotation
PCB PS The number of /PS-HI-TEMP
Advance preparation None.
Note Don't clear accidentally.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.