Panasonic CF-74ECBGDBM 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-74ECBGDBM 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 Screw tightening torque10-4 K17-6 K17-7

CF-74ECBGDBM specifications

The Panasonic CF-74ECBGDBM is a rugged laptop designed to cater to the demanding needs of professionals who work in challenging environments. Built with durability as a top priority, this device serves as an ideal solution for industries such as public safety, construction, and field service.

One of the standout features of the CF-74ECBGDBM is its rugged design. The laptop is compliant with military standards, specifically MIL-STD-810G, ensuring it can withstand harsh conditions. This includes resistance to drops, vibration, dust, and moisture, allowing users to operate it in rain or shine without fear of damage. The spill-resistant keyboard adds another layer of protection, making it suitable for environments where liquids are prevalent.

In terms of performance, the CF-74ECBGDBM is equipped with a powerful processor, which provides efficient multitasking capabilities. The device typically features an Intel Core i5 processor, enabling smooth operation of demanding applications. Coupled with a sufficient amount of RAM, users can expect enhanced speed and productivity, even when running multiple programs simultaneously.

The laptop features a sunlight-readable display, which ensures visibility in bright outdoor conditions. The screen is designed to reduce glare, making it user-friendly for professionals who work outside regularly. Additionally, the display is supported by a durable touchscreen option, allowing for easier navigation in various working conditions.

Storage is another critical aspect of the CF-74ECBGDBM, as it often comes with solid-state drive options that not only provide ample memory for files and applications but also enhance the overall speed and reliability of the system. Users can rely on fast read and write speeds, which are essential for data-heavy tasks.

Connectivity options are abundant on this device, featuring USB 3.0 ports, HDMI output, and options for mobile broadband. This allows users to connect various peripherals or external displays easily, as well as maintain seamless internet access on the go.

Furthermore, the CF-74ECBGDBM is equipped with a long-lasting battery that supports extended periods of use, ideal for professionals who spend time away from traditional power sources. The device is designed for easy serviceability, facilitating upgrades and repairs, which enhances its lifespan in demanding workplaces.

Overall, the Panasonic CF-74ECBGDBM stands out as a robust and versatile laptop that meets the needs of users in tough outdoor and industrial settings, making it a reliable companion for professionals on the move.
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