Adjustment - Pioneer PDP-4270XA Service Manual

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7. ADJUSTMENT

1. At shipment, the unit is adjusted to its best conditions. Normally, it is not necessary to readjust even if an assembly is replaced. If the
adjustment is shifted or if it becomes necessary to readjust because of part replacement, etc., perform the adjustment as described below.
2. Any value changed in Service/Factory mode will be stored in memory as soon as it is changed. Before readjustment, take note of the
original values for reference in case you need to restore the original settings.
3. Use a stable AC power supply.
7.1 ADJUSTMENT REQUIRED WHEN THE SET IS REPAIRED OR REPLACED
When any of the following assemblies is replaced
POWER SUPPLY Unit
DIGITAL Assy
X MAIN DRIVE Assy
X SUB DRIVE Assy
Y MAIN DRIVE Assy
Y SUB DRIVE Assy
Service Panel Assy
MAIN Assy
SENSOR Assy
TANSHI Assy
R07 DT Assy (PDP-427XD / 4270XD only)
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Refer to "7.4 HOW TO CLEAR HISTORY DATA".
Writing of backup data is required.
Refer to the "7.3 BACKUP WHEN THE PANEL
UNIT IS ADJUSTED. "
No adjustment required
No adjustment required
No adjustment required
No adjustment required
Refer to "7.5 ADJUSTMENTS WHEN THE SERVICE
PANEL ASSY IS REPLACED."
Switching to SR+ from RS-232C
Writing of backup data is required.
Refer to the "7.3 BACKUP WHEN THE PANEL
UNIT IS ADJUSTED. "
No adjustment required
No adjustment required
PDP-427XD
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7
7
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A
B
C
D
E
F
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