Matsushita CF-74ECBAXBM manual Outline of Post, Error Diagnosis by Checking Beep Signal Sound

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5 Power-On Self Test (Boot Check)

Outline of POST

The set has a boot check function called POST (Power-On Self Test) in it. The condition of the main body is diagnosed by checking beep sound or error code.

zStart .............Test begins automatically when power switch is set to ON.

zNormal finish .....After memory checking, a beep sound is issued once and the set is placed into automatic stop. Note: If no error occurs, nothing is displayed. (No display of OK, etc.)

Error Diagnosis by Checking Beep Signal Sound

The beep sound is as follows:

(1 (long sound) -2-3-4) (Length of bar shows length of sound.)

= long sound (about 0.4 sec.),

 

= short sound (about 0.2 sec.), Length between sounds is about 0.1 sec.

 

zTable of errors classified by beep sounds

Diagnosis

Beep signal sound

Error message

Main board

1(long sound)-2

BIOS ROM error

 

1-2-2-3

BIOS ROM error

 

1-3-1-1

RAM error

 

1-3-1-3

Keyboard controller error

 

1-3-4-1

RAM error

 

1-3-4-3

RAM error

 

1-4-1-1

RAM error

 

2-1-2-3

BIOS ROM error

 

2-2-3-1

Occurrence of unexpected offering

(Note) A beep sound is also issued in case of other I/O trouble.

5-1

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Contents CF-74ECBAXBM Page Laser Safety Information Page Page Contents Model No Bluetooth*12 Version 2.0+EDRJack, 3.5 DIA, Impedance 32 Ω, Output Power 4 mW × High-Speed CD-RW 4X/10XOnly for model with Bluetooth Maximum resolution depends on the specificationsOnly for model with wireless LAN Operation has been tested and confirmed using PanasonicNames and Functions of Parts Right side Block Diagram Page Troubleshooting Diagnosis Beep signal sound Error message Error Diagnosis by Checking Beep Signal SoundTable of errors classified by beep sounds Outline of PostStuck key 02D0 System cache error Cache disabled Self Diagnosis Test Operation of PC-Diagnostic Utility Selection of tested device PC-Diagnostic utility End methodContent of the setup is returned to the setting of the user Test item Stanard Content of standard test Content of enhancing testRecord area frequently accessed All record area is tested Ty of breakdownWiring between Super I/O Content of Standard Test Content of Extend TestExpress Card Connector Test ItemWiring Connection Diagram Removing the HDD Battery PackPreparation HDD UnitRemoving the Speaker and the LED PCB Removing the Dimm Memory CardRemoving the Keyboard Removing the Bottom Case Removing the Main PCBRemoving the DC-IN PCB and I/O Removing the PC Card Ejector and Lithium BatteryRemoving the FAN Motor and SD PCB Removing the LCD Front Cabinet Removing the USB PCBRemoving the Display unit Removing the LCD and the InverterPreparation Removing the Touch PAD and PAD PCBRemoving the Finger PCB Preparing and setting the Finger Sensor Base Setting the Finger PCBSetting the LCD Unit Inverter Arranging the W-LAN L and R Cable Attaching the LCD Damper C and LCD Damper DArranging the LCD/TS Cable Attaching the ClothArranging the TP Power Cable and Attaching the TP/LCD Sheet Setting the Inverter and Arranging the Inverter CableLCD Rear Cabinet Fixing of the LCD Front Cabinet Setting the LCD Front CabinetSetting the Display unit Ensure all the 23 Hooks are securely setArranging the USB Cable Setting the USB PCBSafety Working MP Slide Sheet USB Cable TapeFan Dust Sheet Setting the SD PCB, Heat Sink and FAN MotorApplying Grease on the Heat Sink Pipe SheetFAN Cable Sheet DC-IN Cable ~3mm Setting the DC-IN PCB and I/O PCBArranging the DC-IN Cable INV. CableArranging the Lithium Battery Safety Working Setting the PC Card Ejector and Lithium BatterySetting the Main PCB Lithium BatteryArranging the FAN Cable No.1 LAN Cable No.8 TP Power CableFAN Cable Connector CN28 FAN Motor Main PCB TapeGood example Setting the Wireless Module and MDC ModuleArranging the Modem Cable Bad exampleSetting the Bottom Case Setting the Handle AssySpeaker Setting the Speaker and the LED PCBSoldering the Speaker Cable and Setting the Speaker Rubber Red LineSetting the Keyboard Center Cover Hooks KBD Angle L Keyboard KBD Angle RSetting the Dimm Memory Card and Dimm Cover Setting the HDDSet the DVD-ROM Driver Unit Set the HDD Pack Exploded View 10-2 10-3 10-4 Replacement Parts List Comparison Table

CF-74ECBAXBM specifications

The Matsushita CF-74ECBAXBM is a powerful and versatile Panasonic Toughbook model that caters to professionals who require durability and reliable performance in challenging environments. This rugged laptop is designed to handle extreme conditions, making it an ideal choice for industries such as law enforcement, military, field service, and emergency response.

One of the standout features of the CF-74ECBAXBM is its rugged construction. The chassis is built to withstand drops, shocks, and vibrations, allowing it to function effectively in demanding conditions. The tough magnesium alloy casing, reinforced with rubber bumpers, provides added protection against accidental impacts. Additionally, the laptop is compliant with military specifications (MIL-STD-810G), ensuring it can endure high temperatures, humidity, and dust.

Equipped with a 14-inch display, the CF-74ECBAXBM boasts an impressive screen with excellent visibility, even in direct sunlight. The high-brightness LED backlit screen provides vibrant colors and sharp images, making it easy for users to work outdoors without straining their eyes. The touchscreen functionality enhances usability, allowing for quick and efficient navigation through applications and documents.

Under the hood, this Toughbook is powered by robust Intel processors, providing the necessary speed and performance for demanding applications. Whether running complex data analysis or high-definition multimedia applications, the CF-74ECBAXBM can handle it all with ease. Coupled with ample RAM and storage options, users can enjoy seamless multitasking and quick file access.

Another key aspect of the CF-74ECBAXBM is its extensive connectivity options. Equipped with multiple USB ports, HDMI, and serial ports, users have the flexibility to connect various peripherals and instruments necessary for their work. The laptop also features robust wireless capabilities, including Wi-Fi and optional 4G LTE, enabling users to stay connected while on the go.

Battery life is a critical feature of any mobile computing device, and the CF-74ECBAXBM does not disappoint. With an extended battery option available, users can enjoy long hours of operation without the need for frequent recharging, making it perfect for fieldwork.

In conclusion, the Matsushita CF-74ECBAXBM is a reliable and rugged laptop engineered for the toughest conditions. Its durable design, powerful performance, and versatile connectivity ensure that professionals in demanding fields can perform their tasks effectively, no matter where they are. With features that prioritize durability and functionality, the CF-74ECBAXBM stands out as an excellent choice for those who need a dependable mobile workstation.
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