Service Manual
Page 1
Block Diagrams 8. PCB Diagrams 9. Specification 3. Safety Precautions 2. Flow Chart of Troubleshooting 10. Disassembly and Assembly Instructions Exploded View and Parts List 6. MAIN Electrical Parts List 7. Array course control 5. Reference data 11. UMTS TELEPHONE SGH-i640V UMTS TELEPHONE CONTENTS 1. Product Function 4.
Block Diagrams 8. PCB Diagrams 9. Specification 3. Safety Precautions 2. Flow Chart of Troubleshooting 10. Disassembly and Assembly Instructions Exploded View and Parts List 6. MAIN Electrical Parts List 7. Array course control 5. Reference data 11. UMTS TELEPHONE SGH-i640V UMTS TELEPHONE CONTENTS 1. Product Function 4.
Service Manual
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Take specially care of tuning or test, because the specification of cellular phone is sensitive for example an overcurrent and furious flames of parts etc) when you repair board in heat. ― Surely tune on ... product, otherwise screw will be used without notice This Document can not be worn away. ― Use a thicken twisted wire when you disassemble this rules. 1-1 SAMSUNG Proprietary-Contents may change without Samsung's authorization Safety Precautions 1-1. Otherwise engineer in Shield Box, during detailed tuning.
Take specially care of tuning or test, because the specification of cellular phone is sensitive for example an overcurrent and furious flames of parts etc) when you repair board in heat. ― Surely tune on ... product, otherwise screw will be used without notice This Document can not be worn away. ― Use a thicken twisted wire when you disassemble this rules. 1-1 SAMSUNG Proprietary-Contents may change without Samsung's authorization Safety Precautions 1-1. Otherwise engineer in Shield Box, during detailed tuning.
Service Manual
Page 5
...) 1 (max +30dBm) 3 (max +24dBm) Sensitivity -102dBm -100dBm -100dBm -106.7dBm TDMA Mux 8 8 8 Cell Radius 35Km 2Km 2Km 2Km 2-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Specification 2-1. 2. Band[MHz] Uplink/Downlink 880~915 925~960 ARFCN range 0~124 & 975~1023 1710~1785 1805~1880 512...
...) 1 (max +30dBm) 3 (max +24dBm) Sensitivity -102dBm -100dBm -100dBm -106.7dBm TDMA Mux 8 8 8 Cell Radius 35Km 2Km 2Km 2Km 2-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Specification 2-1. 2. Band[MHz] Uplink/Downlink 880~915 925~960 ARFCN range 0~124 & 975~1023 1710~1785 1805~1880 512...
Service Manual
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... 12 6±4 dBm 18 7±3 dBm 13 4±4 dBm 13 4±4 dBm 19 5±3 dBm 14 2±5 dBm 14 2±5 dBm 15 0±5 dBm 15 2-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 0±5 dBm Specification 2-2.
... 12 6±4 dBm 18 7±3 dBm 13 4±4 dBm 13 4±4 dBm 19 5±3 dBm 14 2±5 dBm 14 2±5 dBm 15 0±5 dBm 15 2-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 0±5 dBm Specification 2-2.
Service Manual
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... Board Assembly ― PCS : Personal Communication System ― PIM(S) : Personal Information Management (System) ― QPSK : Quadrature Phase Shift Keying ― RNDIS : Remote Network Driver Interface Specification ― RSS : Received Signal Strength ― SAW : Surface Acoustic Wave ― SMS : Short Message Service ― UL : Uplink ― USB : Universal Serial Bus ― WCDMA...
... Board Assembly ― PCS : Personal Communication System ― PIM(S) : Personal Information Management (System) ― QPSK : Quadrature Phase Shift Keying ― RNDIS : Remote Network Driver Interface Specification ― RSS : Received Signal Strength ― SAW : Surface Acoustic Wave ― SMS : Short Message Service ― UL : Uplink ― USB : Universal Serial Bus ― WCDMA...