Samsung SGH-i450 Service Manual Page 42
- Page / 92
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- GSM TELEPHONE 1
- Samsung Electronics Co.,Ltd 2
- 2007. 10. Rev.1.0 2
- 1. Safety Precautions 3
- 2. Specification 5
- 2-2. GSM TX power class 6
- 3. Product Function 7
- Product Function 8
- 4. Array course control 9
- [Second Set] 10
- 4-2. Software Download 11
- Array course control 12
- Execution Apollo.exe 17
- Confirm Download Complete 20
- Exploded View and Parts List 26
- 6. MAIN Electrical Parts List 27
- Main Electrical Parts List 28
- 7. Block Diagrams 39
- Block Diagrams 40
- 8. PCB Diagrams 41
- -MainBottom 42
- 9-1. Power On operation 43
- Flow Chart of Troubleshooting 44
- 9-2. Initial Operation 45
- 9-3. Sound Operation 47
- 9-4. Sound On Calling 49
- 9-5. Camera 51
- <The part of TWL4030> 53
- 9-7. 3X4 Key 54
- 9-8. Micro SD card 55
- 9-9. LCD 57
- 9-10. BT 59
- 9-11. Slide up/down 61
- 9-12. WCDMA TX 62
- 9-13. WCDMA RX 65
- 9-14. EGSM TX 68
- Pin#6: High 69
- Pin#5: Low 69
- Pin#4: Low 69
- 9-15. DCS/PCS TX 72
- 9-16. EGSM RX 76
- 9-17. DCS RX 78
- 9-18. PCS RX 80
- 10. Reference data 83
- Reference data 84
- Locker positions 85
- Remove the keys 85
- 11-2. Assembling Manual 88
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