Description
Product Overview
The LAM Research 810-072903-014 is identified as a LonWorks PIO printed circuit board assembly used in semiconductor manufacturing equipment. Its board-level function is associated with programmable input/output operations in a LonWorks-based control architecture. The assembly includes a front-panel LCD and status indicators, providing local visual information for service personnel during equipment inspection and troubleshooting. Its identification as a PIO board is supported by equipment-parts records and photographs of an actual unit.
In a semiconductor process tool, input/output hardware forms part of the interface between the equipment controller and the signals or devices distributed throughout the machine. A fault in this layer can affect equipment communication, signal handling, or the ability to diagnose a subsystem. When evaluating a LAM Research 810-072903-014 as a replacement, engineers should compare the complete part number, PCB revision, connector arrangement, front-panel layout, and the host equipment configuration. The available identification evidence documents Rev D, but it does not establish universal compatibility across all LAM tool models or hardware revisions.
The board’s physical connector labels include J4A, J4B, J7A, and J7B. Its front panel also carries indicators labeled HEART BEAT, COMM ERROR, SERVICE PIN, +24V, +5V, +3.3V, and DRIVER FAULT. These labels help identify the board and provide useful inspection points, but they should not be treated as verified electrical ratings or proof that a particular unit passes functional testing.
For maintenance procurement, the LAM Research 810-072903-014 should be sourced against the removed board’s markings and the equipment bill of materials. Before installation, confirm the host tool, revision, connector condition, and required configuration. Preserve the original board and its machine-specific records until the replacement has passed the equipment’s prescribed checks.
Product Introduction (Non-Templated)
A LonWorks PIO board is not a generic circuit-board spare. Its connector layout, firmware or configuration requirements, and relationship with the host controller can determine whether a replacement restores the intended equipment functions. The 810-072903-014 is identifiable by its LCD-equipped front panel and J4/J7 connector groups.
Do not approve a replacement based on the model number alone. Confirm the original board revision and machine configuration, then inspect the replacement for connector damage, corrosion, component defects, and evidence of prior repair. A seller’s functional description is not a substitute for a documented powered test.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 810-072903-014 |
| Manufacturer | LAM Research |
| Board Type | LonWorks PIO PCB assembly |
| Functional Category | Programmable input/output interface |
| Associated Equipment | 50020R-10 configuration reported in an equipment-parts record |
| PCB Revision | Rev D documented on an identified unit |
| Display | Front-panel LCD |
| Status Indicators | HEART BEAT, COMM ERROR, SERVICE PIN, +24V, +5V, +3.3V, DRIVER FAULT |
| Front Connectors | J4A, J4B, J7A, J7B |
| Reset Access | RESET point on front panel |
| Supply Voltage | Not verified |
| Communication Rate | Not verified |
| Input / Output Channel Count | Not verified |
| Operating Temperature | Not verified |
| Mounting Method | Not verified |
| Protection Rating | Not verified |
| Firmware Version | Not verified |
The connector and indicator details above are based on the documented physical board. They do not establish pin assignments, electrical limits, or communication settings.
810-072903-014
Related Products
The following LAM Research part numbers are related semiconductor-equipment spare parts. They are not confirmed direct replacements for the 810-072903-014.
- 810-072903-004 — Separately identified LONWORKS PIO board; confirm hardware revision and tool compatibility before considering substitution.
- 810-073479-005 — LAM Research board assembly appearing in the same parts catalog.
- 810-800081-021 — LAM Research PCB assembly listed in the same equipment-parts family.
- 810-069751-116 — LAM Research spare PCB assembly.
- 810-069751-114 — LAM Research spare PCB assembly.
- 810-800082-041 — LAM Research board assembly.
- 810-800961-009 — LAM Research PCB assembly.
- 810-800256-005 — LAM Research PCB assembly.
- 605-707109-001 — VME-LTNI-S3 network interface assembly identified in semiconductor equipment parts records.
Frequently Asked Questions
Q1: What is the LAM Research 810-072903-014 used for?
It is identified as a LonWorks PIO printed circuit board assembly for semiconductor equipment. Its exact I/O functions and machine-level role should be confirmed against the applicable equipment documentation.
Q2: Which equipment does the 810-072903-014 support?
An equipment-parts record associates this assembly with a 50020R-10 configuration. Confirm the complete tool model, installed board revision, and equipment bill of materials before ordering. Do not assume compatibility with every LAM Research system.
Q3: Can I hot-swap this board?
Hot-swap capability has not been verified. Do not remove or install the board while the equipment is energized unless the applicable service procedure explicitly permits it. Follow the tool manufacturer’s shutdown, isolation, and ESD precautions.
Q4: Does the 810-072903-014 support firmware v3.1?
A verified firmware version or v3.1 compatibility statement is not available. Check the installed board’s firmware identification and the host tool’s approved software configuration before commissioning.
Q5: Can the 810-072903-014 replace the 810-072903-004?
A direct replacement relationship has not been established. Although both part numbers are associated with LONWORKS PIO boards, revision, connector, hardware, and software differences may affect compatibility. Obtain engineering confirmation before substitution.
Q6: What should be checked before installing a used board?
Inspect the PCB for corrosion, damaged components, cracked solder joints, connector wear, and signs of unauthorized repair. Confirm that the LCD and status indicators operate during a controlled test. A powered bench test alone does not establish correct operation in the target machine.
Q7: What information should be included when requesting a replacement?
Provide the complete part number, PCB revision, serial number, host equipment model, and photographs of both PCB sides and the connector face. Include any fault codes or symptoms recorded before removal. This information helps distinguish a board-level fault from a wiring, network, or host-controller issue.
Procurement note: The strongest available identification is LAM Research 810-072903-014 — LonWorks PIO PCB assembly. Some secondary listings assign unrelated descriptions to this number, so RF matching network, robot interface, and generic power-module descriptions should not be accepted without physical or manufacturer documentation.
