Sharp SGH-F250 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Sharp SGH-F250, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Sharp SGH-F250 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Sharp SGH-F250. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Sharp SGH-F250 should contain:
- informations concerning technical data of Sharp SGH-F250
- name of the manufacturer and a year of construction of the Sharp SGH-F250 item
- rules of operation, control and maintenance of the Sharp SGH-F250 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Sharp SGH-F250 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Sharp SGH-F250, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sharp service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Sharp SGH-F250.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Sharp SGH-F250 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    GSM TELEPHONE SGH-F250 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Func[...]

  • Page 2

    Samsung Electronics Co.,Ltd. 2007. 12. Rev.1.0 ⓒ This Service Manual is a property of Samsung Elec[...]

  • Page 3

    SAMSUNG Proprietary-Contents may change without notice 1. Safety Precau tions 1-1 This Document can [...]

  • Page 4

    SAMSUNG Proprietary-Contents may change without notice S afety Precautions 1-2 This Document can not[...]

  • Page 5

    2. Specification 2-1 2-1. GSM General Specification GSM900 Phase 1 DCS1800 Phase 1 PCS1900 Freq. Ban[...]

  • Page 6

    Speclflcation 2-2 TX Pow er control l evel GSM850 53 3 ± 2 d B m 63 1 ± 3 d B m 72 9 ± 3 d B m 82[...]

  • Page 7

    SAMSUNG Proprietary-Contents may change without notice 3. Product Function 3-1 This Document can not[...]

  • Page 8

    SAMSUNG Proprietary-Contents may change without notice Product Function 3-2 This Document can not be[...]

  • Page 9

    SAMSUNG Proprietary-Contents may change without notice 4. Array course control 4-1 This Document can[...]

  • Page 10

    SAMSUNG Proprietary-Contents may change without notice Array course control 4-2 This Document can no[...]

  • Page 11

    SAMSUNG Proprietary-Contents may change without notice Array course control 4-3 This Document can no[...]

  • Page 12

    SAMSUNG Proprietary-Contents may change without notice Array course control 4-4 This Document can no[...]

  • Page 13

    SAMSUNG Proprietary-Contents may change without notice 5. Exploded View and Parts List 5-1 This Docu[...]

  • Page 14

    SAMSUNG Proprietary-Contents may change without notice Exploded View and Parts List 5- 2 This Docume[...]

  • Page 15

    SAMSUNG Proprietary-Contents may change without notice Exploded View and Par ts List 5-3 This Docume[...]

  • Page 16

    SAMSUNG Proprietary-Contents may change without notice Exploded View and Parts List 5- 4 This Docume[...]

  • Page 17

    SAMSUNG Proprietary-Contents may change without notice 6. Main Electrical Parts List 6-1 This Docume[...]

  • Page 18

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-2 This Document [...]

  • Page 19

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-3 This Document [...]

  • Page 20

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-4 This Document [...]

  • Page 21

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-5 This Document [...]

  • Page 22

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-6 This Document [...]

  • Page 23

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-7 This Document [...]

  • Page 24

    SAMSUNG Proprietary-Contents may change without notice Main Electrical Parts List 6-8 This Document [...]

  • Page 25

    7. Block Diagrams 7-1 7-1. BaseBand Solution Block Diagram PNX6511 Aero4220 Trans mit Receive Filte [...]

  • Page 26

    Block Diagrams 7-2 7-2. RF Solution Block Diagram[...]

  • Page 27

    8. PCB Diagrams 8- 1 - Main top view[...]

  • Page 28

    PCB Diagrams 8- 2 - Main bottom view[...]

  • Page 29

    SAMSUNG Proprietary-Contents may change without notice 9 . Flow Chart of Troubleshooting ?[...]

  • Page 30

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 31

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 32

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 33

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 34

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 35

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 36

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 37

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 38

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 39

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 40

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 41

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 42

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 43

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 44

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 45

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 46

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 47

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 48

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 49

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 50

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 51

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 52

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 53

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 54

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 55

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 56

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 57

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 58

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 59

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 60

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 61

    SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting  ?[...]

  • Page 62

    SAMSUNG Proprietary-Contents may change without notice   ?[...]

  • Page 63

    SAMSUNG Proprietary-Contents may change without notice 10. Reference data 10-1 This Document can not[...]

  • Page 64

    SAMSUNG Proprietary-Contents may change without notice Reference data 10-2 This Document can not be [...]

  • Page 65

    SAMSUNG Proprietary-Contents may change without notice 11. Disassembly and Assembly Instructions 11-[...]

  • Page 66

    SAMSUNG Proprietary-Contents may change without notice Disassembly and Asse mbly Instructions 11-2 T[...]

  • Page 67

    SAMSUNG Proprietary-Contents may change without notice Disassembly and Asse mbly Instructions 11-3 T[...]

  • Page 68

    SAMSUNG Proprietary-Contents may change without notice Disassembly and Asse mbly Instructions 11-4 T[...]

  • Page 69

    SAMSUNG Proprietary-Contents may change without notice Disassembly and Asse mbly Instructions 11-5 T[...]

  • Page 70

    SAMSUNG Proprietary-Contents may change without notice Disassembly and Asse mbly Instructions 11-6 T[...]