Pioneer PDP-5071PU Service Manual page 147

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8.2.2.3 POWER DOWN
• The power-down history is displayed. The last most 8 power-down histories are displayed with the hour-meter values
that indicate the hours when power-downs occurred. No other layers are nested below this layer, and there are no
adjustment items.
<Causes of power-down and corresponding OSD indications>
Cause of power-down
POWER SUPPLY Unit
SCAN Assy
5V power for SCAN Assy
Y DRIVE Assy
DC/DC converter for Y drive
Y-drive SUS circuit
* When power-down is confirmed, the factor is displayed as "1st", "2nd", according to the accuracy order.
* The power-down history is not recorded when the power-down occurred at the same place and same time.
8.2.2.4 SHUT DOWN
• The shutdown history is displayed. The last most 8 shutdown histories are displayed with the hour-meter values
that indicate the hours when shutdowns occurred. No other layers are nested below this layer, and there are no
adjustment items.
* When there is detail information when shutdown occurred, the possible defective part is displayed as Sub information.
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OSD Indication Cause of power-down
P-PWR ADDRESS Assy
X DRIVE Assy
SCAN
SCAN5V DC/DC converter for X drive
YDRV X-drive SUS circuit
Specification inability
Y-DCDC
Y-SUS
PDP-5071PU
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7
7 Key operation
<DOWN> : Shifting to SHUT DOWN
<UP> : Shifting to PANEL WORKS
<L/R> : Updating displayed information
OSD Indication
ADRS
XDRV
X-DCDC
X-SUS
UNKNOWN
7 Key operation
<DOWN> : Shifting to PANEL-1 ADJ (+)
<UP> : Shifting to POWER DOWN
<L/R> : Updating displayed information
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A
B
C
D
E
F
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