4.2. Troubleshooting

Please take note of the following two points with regard to troubleshooting:

1.Know-how of diagnosis upon occurrence of heavy troubles, e.g. Set cannot be turned ON , Set fails to start , No display on screen , etc.

2.Explanation of each trouble, mainly symptom of trouble in operation.

Flow Chart

START

START

Pay attention to the following points when in pursuit of the cause of a troubleshooting.

1.Peripheral apparatus connected with the set should all be removed before operation check.

2.Make sure that cables, boards, etc. are not coming off, and recheck the contact condition.

Set cannot be supplied with current. Power lamp fails to light up.

Dark display on screen.

Screen fails to display.

ACNG Adaptor/Battery

Output voltage

 

OK

Power lamp

NO

check

 

YES

Inverter board

NG

 

 

OK

LCD back

NO

 

light lighting

 

YES

LCD unit

NG

check

 

Replace AC Adaptor/Battery

Check contact condition of power input terminal. Replace if defective.

Check Power SW. Replace if defective.

Replace inverter board.

Check inverter cable continuity. Replace if defective

Replace LCD back light.

Replace LCD unit.

Failure in starting

OK

BIOS operation

NO

 

Replace main board (Check fuse at power source).

check

 

 

 

 

 

 

 

 

Not displayed properly on screen.

YES

 

 

Result of

NG

Refer to POST

 

 

 

 

 

 

 

 

 

 

 

 

Replace main board.

 

 

 

 

POST

 

 

 

 

 

 

 

error code table.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NG

 

 

 

 

 

 

 

 

 

 

Set-up utility

 

 

 

 

 

 

Heavy trouble e.g.,

 

 

Replace main board.

 

 

 

 

starting

 

 

 

 

 

 

 

 

 

 

Set cannot be turned

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

ON , Set fails to start ,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No display on

 

 

Return set-up utility setpoint to the state of delivery from factory .

 

 

screen , etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Check HDD cable connection and continuity.

 

 

 

 

HDD access

 

 

Replace if defective.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace HDD & Reinstall.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

Replace main board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main board

NG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace main board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Some or all keys cannot be input.

OK

Make sure of contact of K/B connector in use. Replace keyboard or main board.

Each kind of trouble in operation.

CD CALL not practicable.

Starts but operates unstably.

TroubleNO symptoms on some

of CD

YES

Replace main board.

Reinstall HDD.

Replace main board.

STARTEND

Check if there are any flaws on CD media. Since flaws may appear on specific media, CD media can be defective.

12

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Matsushita CF-T5LWETZ1 2 service manual Troubleshooting
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CF-T5LWETZ1 2 specifications

The Matsushita CF-T5LWETZ1 is a robust and versatile device that caters specifically to the needs of professional users who require a reliable and efficient tool for daily tasks. Known for its superior durability, the CF-T5LWETZ1 model exemplifies Matsushita’s commitment to high-quality engineering and innovative technology.

One of the main features of the CF-T5LWETZ1 is its lightweight design, making it highly portable without compromising on performance. This model is equipped with a full-sized keyboard and a vibrant touchscreen display that enhances usability, allowing for smooth navigation through various applications. With an intuitive user interface, users can easily switch between tasks, boosting productivity in both office and field environments.

The CF-T5LWETZ1 incorporates advanced connectivity options, including multiple USB ports, HDMI output, and various wireless technologies like Bluetooth and Wi-Fi. This allows seamless integration with other devices and networks, catering to the needs of users who require constant connectivity, whether in a fixed location or on the go. The device also boasts an extended battery life, ensuring that users can work for hours without needing to recharge.

In terms of processing power, the CF-T5LWETZ1 features a powerful Intel processor that provides fast performance for demanding applications. Coupled with ample RAM, users can run multiple programs smoothly, making it ideal for data-heavy tasks such as spreadsheets and presentations. The device also supports a range of operating systems, enhancing compatibility for different user environments.

Matsushita has included rugged features in the CF-T5LWETZ1 to ensure it can withstand the rigors of everyday use. With a reinforced chassis and spill-resistant keyboard, this model is designed to endure accidental drops and liquid spills—a significant advantage for professionals working in challenging conditions.

Overall, the Matsushita CF-T5LWETZ1 stands out for its combination of portability, durability, and advanced technology. Its features make it a highly sought-after device for professionals requiring both flexibility and reliability. Whether used for fieldwork, presentations, or in an office environment, the CF-T5LWETZ1 is engineered to meet the demanding needs of today’s workforce, providing a trustworthy solution for various professional applications.
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