NEC JC-4301P3A / APC-H4311

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For more information, see this article's corresponding Wikipedia page: Device.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
Preliminary Information
Leak Risk High
Batteries None
Destructive Entry No
CRT Guides
General Information · Repair Cautions


Known Issues

Symptom or Problem Encountered

Causes

Solutions

Disassembly Notes

  1. Unplug power and data cables
  2. Turn rotating part of base through 180 degrees and slide off
  3. Remove fixed part of base by removing two screws
  4. Remove four corner screws holding rear of case to front of monitor
  5. Gently slide the rear of the case backwards. May need spludger to initially loosen.
  6. Four screws to remove rear access panel
  7. Three screws, one on each side panel and one near flyback, to remove top chassis/shielding
  8. Undo screws holding joint switching regulator and interface board assembly and disconnect leads before sliding assembly upwards

Original Parts

There are a number of different boards found in the monitor

Purpose Designation Notes
Switching Reg PWE-107 (JC-1401P3A, 120V)

PWE-142 (APC-H4311, 240V Australia?)

Different board, appears to depend on supply country voltage.
Interface PWE-110
Deflection PWE-105
Control PWE-125A
LED PWE-125B
Video PWE-122
CRT PWE-123
Tube 370HYB22-TC126 (PN2) May differ, depending on...?

PWE-110 Interface

Capacitor Specifications and Footprint Information

RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series

PWE-142 Switching Regulator

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
0 µF 0 °C

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

References