John VanNewkirk

President and C.E.O CheckSum LLC

Engineers discuss a project in a SMTA manufacturing facility.

4 min read

How Parallel ICT and ISP Reduced PCBA Test Costs

EMS Test Strategy A programming bottleneck can affect more than cycle time. As production volumes grow, adding programming stations can also increase equipment costs, operator requirements, and the amount of floor space needed to keep the line...

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Automated PCBA production test cell supporting high-volume SMT manufacturing

2 min read

When Test Becomes a Management Decision

When test can't keep up with SMT, the response is predictable: another tester, another fixture, another operator and more floor space. That may solve...

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Panelized PCBA inventory in a SMT manufacturing facility.

4 min read

Keeping Up With the SMT Line: A Parallel PCBA Test Case Study

Customer Use Case Originally published January 22, 2025. Updated August 12, 2026. In this CheckSum customer application, a leading European...

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Untested PCBA inventory creates costly overhead in a SMT manufacturing facility.

4 min read

The Million-Dollar Bottleneck: Why PCBA Test Falls Behind High-Speed SMT Lines

PCBA Production Test Originally published August 21, 2024. Updated August 6, 2026. In electronics manufacturing, the slowest process determines the...

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3 min read

Vanilla Approach Turns Sour for EMS Providers

In the high-stakes world of Electronics Manufacturing Services (EMS), consistency and cost-efficiency are paramount. Many EMS providers have relied...

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Engineers discuss a project in a SMTA manufacturing facility.

4 min read

How EMS Providers Can Standardize PCBA Test Without Sacrificing Flexibility

EMS Test Strategy Originally published on LinkedIn June 25, 2024. Updated August 13, 2026. Standardization has served electronics manufacturing...

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