K 531

DFKE0655YA-0

COVER, HINGE

1

K 532

DFKE0657ZA

COVER, KB CABLE

1

K 533

DFKE0658ZB-4

COVER, HDD/BAT

1

K 534

DFHR3181ZA

PACKING, HDD/BATT COVER

1

K 535

DFHR3278ZA

CORE HOLDER, RJ11

1

K 538

DFHR7968ZA

SHEET, CDD

1

K 540

DFHE0489ZB

CUSHION, HDD

1

K 541

DFHP7106YA

TAPE, KEYBOARD

1

K 542

DFQT9675ZA

LABEL, ENERGY STAR

1

K 543

DFQT9821ZA

LABEL, MODEM

1

K 544

DFJE10T032BS

FFC, IrDA

1

K 545

DFMC0724ZA

SHEET, CONDUCTIVE, HDD

1

K 546

DFMX0921ZA

SHEET, INSULATION, RJ11

1

K 547

DFMX1063ZA

SHEET, INSULATION, IrDA

1

K 548

DFMX1000ZA

SHEET, CONDUCTIVE, CPU

1

K 549

DFWV82A0127

ASS'Y, MP COVER

1

K 550

DFWV82A0128

ASS'Y, CONNECTOR COVER

1

K 551

DFWV82A0129

ASS'Y, PC CARD COVER

1

K 552

DFHR3203ZA

SHEET, LCD SPACER

2

K 553

DFHG1568ZA

DAMPER, LCD HINGE

2

K 2

DFBE0010YA-0

RING, POWER SW

1

K 3

DFGL0096XA-0

LENS (A), LED

1

K 4

DFGL0097ZB-0

LENS (B), LED

1

K 5

DFGX0293ZA-0

COVER PLATE, LAN

1

K 6

DFGX0289XA-0

COVER, PALM TOP, MID

1

K 7

DFGX0290ZA-0

COVER, PALM TOP, L

1

K 8

DFGX0291ZA-0

COVER, PALM TOP, R

1

K 9

DXQT2+D25VL

SCREW

10

K 10

DXSB26+5VL

SCREW

24

K 11

DFHE5058ZA

SCREW

6

K 13

DXSB26+6VL

SCREW

8

K 14

DFHE5104YA

SCREW

9

K 16

DFHG1407YA

PACKING, WATERPROOF, RJ11

1

K 17

DFHG1423XA-0

COVER, SERIAL PORT

1

K 18

DFHG1424WB-0

COVER, USB PORT

1

K 19

DFHG1433YA

CUSHION, SPEAKER

1

K 20

DFHG1609ZA-0

COVER, DC-IN

1

K 21

DFHG1463ZA

CUSHION, MICROPHONE

1

K 22

DFHG1481ZA

PACKING, WATERPROOF, ANTENNA CABLE

1

K 23

DFHG1465ZA

PACKING, WATERPROOF, BODY

1

K 25

DFHG1467ZB

CUSHION, LEAD SWITCH

1

K 28

DFHG809ZA

RUBBER, LCD STOP

2

K 31

DFHG814ZB

PACKING RING, WATERPROOF, POWER SW

1

K 32

DFHG815XA

PACKING, WATERPROOF, TOUCH PAD

1

K 40

DFHR7938ZC

SHEET, WATERPROOF, MICROPHONE

1

K 42

DFHR7940ZB

SHEET, SW COVER, WM

1

K 49

DFKH1011ZA-4

ASS'Y, HANDLE

1

K 50

DFMC0406XA

GASKET, MP

1

K 52

DFMD1144YA

ANGLE, LOCK STOPPER

1

K 53

DFMD1145YA

ANGLE, PCMCIA

1

K 54

DFMD4032ZA

PLATE, COVER, SERIAL PORT

1

K 55

DFMD4033ZA

PLATE, COVER, DC-IN/USB PORT

2

K 57

DFMD7745ZA

ANGLE, MODEM CONNECTOR

1

K 58

DFMD7747ZA

ANGLE-A, HEAT PIPE

1

K 59

DFMD7748ZA

ANGLE-B, HEAT PIPE

1

K 60

DFMD7749ZB

ANGLE, LOCK BACK

1

K 62

DFMD7753WA

HOLDER, LED LENS

1

K 63

DFMD7756YA

ANGLE-A, BATTERY HOOK

1

K 64

DFMD7757YA

ANGLE-B, BATTERY HOOK

2

K 67

DFMX0900ZA

SHEET, INSULATING

1

K 68

DFMX0903ZA

TAPE

2

K 71

DFMY0276YA

RUBBER, HEAT PIPE

1

K 73

DFMY9014ZC

HEAT PIPE

1

K 76

DFUS0279ZA

GROUND BOARD SPRING-A

1

K 77

DFUS0280ZA

GROUND BOARD SPRING-B

1

K 82

DFUW0109ZA

SPRING, POWER SWITCH

1

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Panasonic CF-281 2 3 05 4 5 service manual COVER, Hinge
Page 3 Page 5

CF-281 2 3 05 4 5, CF-28 specifications

The Panasonic CF-28, part of the Toughbook series, is a remarkable rugged laptop designed to withstand the most challenging environments. Launched in the early 2000s, it was engineered for professionals in fields such as utility, military, and construction, showcasing a blend of durability, performance, and advanced technology.

One of the standout features of the CF-28 is its robust construction. It is built with a magnesium alloy case and a spill-resistant keyboard, ensuring that it can endure drops, shocks, and harsh weather conditions. The device is designed to meet military specifications for toughness, including MIL-STD-810F, which means it can resist vibration, extreme temperatures, and humidity. This ruggedness makes it a reliable choice for users who need a durable machine in the field.

In terms of display, the CF-28 features a sunlight-readable screen, which is crucial for outdoor use where visibility may be compromised by bright sunlight. The 12.1-inch display provides a resolution that balances clarity with portability and is equipped with a touch screen capability, allowing for intuitive interaction even when wearing gloves.

Performance-wise, the CF-28 is powered by Intel processors, which deliver solid computing power for various applications. Although it may not compete with modern laptops in terms of raw performance, it was well-suited for its time, offering sufficient capabilities for tasks such as data entry, GPS usage, and basic computational activities. The rugged design does not inhibit the device’s performance, as it smoothly handles various software applications essential for fieldwork.

Another key characteristic is its battery life, which can last up to 10 hours on a single charge. This extended battery life is significant for users who require prolonged operation without the access to power sources in remote locations.

Connectivity options include optional built-in GPS, Bluetooth, and multiple USB ports, ensuring that the CF-28 can easily integrate into diverse technological ecosystems. Its versatility makes it suitable for a variety of industries, while its reliability secures it a place among the best rugged laptops available during its production period.

In summary, the Panasonic CF-28 stands out as a pioneer of rugged computing. With features tailored to withstand the rigors of the work environment, it successfully combines durability with usability, meeting the needs of professionals in demanding sectors. Its legacy continues to be felt in the advancements of subsequent Toughbook models.
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