Using the trouble analysis chart and faults...

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Question 1 of 2066636eed28f7522a1c51dd52

Using the trouble analysis chart and faults table provided in the illustration, if the gyrocompass was malfunctioning, but no fault codes are present on the display unit, what is most likely the problem if the DC/DC converter LED status indicator is functioning properly, but the CPU LED status indicator is not blinking? Illustration EL-0195

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Question 1 of 20

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🔍 Key Concepts

• Follow the trouble analysis chart step by step from top to bottom for the given conditions. • Pay close attention to what the chart tells you to do when the DC/DC converter LED is functioning properly but the CPU LED is not blinking. • Use the difference between power supply problems and component (CPU) problems to eliminate wrong answers.

💭 Think About

• Starting from 'The gyrocompass is malfunctioning' and 'No fault codes present,' which branch of the chart are you on, and what is the next decision box you reach? • Once the DC/DC converter LED is confirmed to be functioning properly, what does the next decision box about the CPU LED tell you to do if that LED is NOT blinking? • Looking at the answer choices, which option matches the specific action or component the chart points you toward at that stage?

✅ Before You Answer

• Confirm you are tracing the correct path: No fault codes → DC/DC LED functioning → CPU LED NOT blinking. • Verify which component the chart says to replace or check at the point where the CPU LED is not blinking. • Eliminate any choices that involve components that the chart would only have you check earlier (like ship’s power or AC/DC supply) or on a different branch of the diagram.

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