JMA-5300MkIIsm

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INDEX > 6.Troubleshooting > 6.1 Operation Tests 6.1.2 Self-diagnosis function (self test) Tests the memory, Scanner Unit, and communication line. 1. Memory Test 1. Display unit internal memory test 2. TXRX Test 2. Scanner Unit test 3. Line Test 3. Communication line test 4. Supply Voltage 4. Power supply voltage test 1) Display unit internal memory test (Memory Test) Tests the operating status of the built-in memory. 1. SDRAM SDRAM test 2. SRAM SRAM test 3. FLASH ROM Flash ROM test 4. GRAPHIC Graphic test If there is no problem, "OK" appears; , there is a problem, "NG" appears. 2) Scanner Unit test (TXRX Test) Tests the signal from the Scanner Unit. Safety Switch AZI Pulse HL Pulse MH Current Trigger Video Scanner Unit safety switch test Scanner Unit rotation signal test Ship heading signal test Modulator high voltage load current test Radar trigger signal test Radar image test If there is no problem, "OK" appears; , there is a problem, "NG" appears. When the system is on standby, ** appears. 6-2
INDEX > 6.Troubleshooting > 6.1 Operation Tests 3) Communication line test (Line Test) Tests the communication with optional equipment and external navigation equipment. TXRX SIG.PROC TT GYRO I/F ISW Scanner Unit connection test Signal process circuit connection test Target tracking unit connection test GYRO I/F unit connection test Inter switch connection test If there is no problem, "OK" appears; , there is a problem, "NG" appears. The status display for any unconnected device is blank. 4) Power supply voltage test (Supply Voltage) Tests the voltage of the internal power supply. Item Normal value 6 12V 11.0 - 12.2V 5V 4.75 - 5.25V 3.3V 3.14 - 3.46V Battery 2.5V or more 6-3
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JMA-5332-12 JMA-5322-7/9/6HS JMA-53
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3.1.3 Circuit Block to be Repaired
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6. Troubleshooting 6.1 Operation Te
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7.3 Terminal Board Connection Diagr
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INDEX > 1.System Overview > 1.1 Ove
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Section 2 System Configulation 2.1
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Section 3 Repair Parts 3.1 List of
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4.2.17 Performance Monitor replacem
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7.3 Terminal Board Connection Diagr
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INDEX > 7.Drawings > 7.2 General Sy
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INDEX > 7.Drawings > 7.3 Terminal B
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INDEX > 7.Drawings > 7.3 Terminal B
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