Pioneer PDP-5000EX, Service Manual

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PDP-5000EX
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7. ADJUSTMENT
7.1 PARTS CHANGE OF NOTES
7.2 POSSIBLE CASES WHERE READJUSTMENT IS REQUIRED
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.
When any of the following assemblies is replaced
When any part in the following assemblies is replaced
The assembly must be replaced as a unit, and no
part replacement is allowed.
50FHD Y DRIVE Assy No adjustment required
POWER SUPPLY Unit
FHD DIGITAL Assy
50FHD X DRIVE Assy No adjustment required
FHD MAIN Assy
Refer to "8.2.3.5 FINAL SETUP"
Refer to "7.3 BACKUP OF ADJUSTMENT VALUES
FOR THE MAIN UNIT"
No adjustment required
50FHD SCAN B Assy No adjustment required
50FHD SCAN A Assy No adjustment required
Other assemblies
No adjustment required
POWER SUPPLY Unit
FHD DIGITAL Assy No adjustment required
50FHD X DRIVE Assy
50FHD Y DRIVE Assy
Other assemblies No adjustment required
Service Panel Assy
Refer to "7.4.1 ADJUSTMENTS WHEN THE SERVICE PANEL
ASSY IS REPLACED" and "7.6 HOW TO CLEAR VARIOUS LOGS."
Refer to "7.5 ADJUSTMENTS WHEN THE DRIVE
ASSY ARE REPLACED".
Assy Ref. No. Part Category Part No.
50FHD
X DRIVE Assy
IC1206 Photo Coupler PS9117-TLB
IC1207 FET Driver TND307TD-TBB
IC1210 FET Driver TND307TD-TBB
50FHD
Y DRIVE Assy
IC2242 Photo Coupler PS9117-TLB
IC2241 FET Driver TND307TD-TBB
IC2252 FET Driver TND307TD-TBB
After any of the parts shown below on the 50FHD X DRIVE
or 50FHD Y DRIVE Assy are replaced, a waveform
adjustment is required.
Object parts