* E5515C: Sector Power –85 dBm
1. Check to see if the clock of U15 is 32.768khz
2. Check to see if C315 frequency is 26Mhz
3. Check to see if the one pin signal NO1-5 is high at U16
4. Check to see if the No3 or 4 pin signal high at 130
5. Check the Antenna matching value is same with matching value at schematic
6. Check to see if the each band antenna is correct.
SECTION7. How to use Flash Tool Manual
1. Introduction
Flash Tool is an app. That downloads binary data to a target mobile phone. Installed and
Operated on a PC. The program employs the boot ROM (BROM_DLL) and Download
Agent(DA) program to download and read files on the target’s flash memory via an RS-
232 connection.
2. Operating Environment
2.1 System Requirements
• OS
- Windows ME or 2000, XP for PC
• Hardware
- PC
- LT cable which is served by Skyspring & vitelcom.
3. Installation
3.1 Tool Components
Flash Tool requires four parts; Flash_tool.exe, BROM DLL, DA and scatter file.
3.1.1 Flash_Tool.exe
The Flash_Tool.exe file contains the user interface app. for Flash Tool. The UI requires
the boot ROM DLL to perform all Flash Tool operations.
3.1.2 Boot ROM DLL(brom.dll)
Brom.dll I s the kernel library for Flash_Tool.exe, charged with performing boot ROM
handshaking, DA downloading and DA handshaking.
3.1.3 Download Agent (DA)
Flash Tool downloads the DA to target’s internal SRAM and executes DA on the target.
DA handshakes with Flash Tool to perform Download. We have to use
MTK_AllInOne_DA.bin for downloading.
3.1.4 Scatter file
We need it to a download binary file.
Содержание SP-770
Страница 1: ...SP 770 AS Manual GSM GPRS Cellular Phone SKYSPRING VITELCOM...
Страница 6: ...SECTION1 SP 770 PRODUCT OVERVIEW...
Страница 27: ...Figure4 Battery Charger Flow chart...
Страница 36: ...SECTION2 SCHEMATIC LAYOUT 1 MAIN PART SCHEMATIC LAYOUT 1 1 BASEBAND PART...
Страница 37: ...1 2 MMI PART...
Страница 38: ...1 3 RF PART...
Страница 39: ...2 MAIN KEY PART SCHEMATIC LAYOUT...
Страница 40: ...3 LCD...
Страница 41: ...SECTION3 PCB LAYOUT 1 MAIN PCB 1 1 Location Map of Main PCB Top...
Страница 42: ...1 2 Location Map of Main PCB Bottom...
Страница 43: ...2 MAIN KEY PCB 2 1 Location Map of Main KEY PCB Top...
Страница 44: ...2 2 Location Map of Main KEY PCB Bottom...
Страница 45: ...3 LCD PCB...
Страница 46: ...SECTION4 MECHANICAL ASSEMBLY...
Страница 48: ...3 LOGIC PART TROUBLESHOOTING...
Страница 50: ...3 2 Troubleshooting 2 LCD Display Backlight error...
Страница 51: ...3 3 Troubleshooting 3 Key push error...
Страница 52: ...3 4 Troubleshooting 4 Vibrator error...
Страница 53: ...3 5 Troubleshooting 5 MP3 Play error...
Страница 54: ...3 6 Troubleshooting 6 Camera Preview error...
Страница 55: ...3 7 Troubleshooting 7 FM Radio Play error...
Страница 57: ...3 9 Troubleshooting 9 Bluetooth error...
Страница 58: ...4 RF PART TROUBLESHOOTING...
Страница 59: ...4 1 Troubleshooting 10 RX path check...
Страница 60: ...4 2 Troubleshooting 11 TX path check...
Страница 64: ...4 Settings 4 1 Flash Tool setting 1 Firstly Check values of the setting in an Options menu...
Страница 66: ...5 SW Downloading 1 Connect LT cable to the PC 2 Press the Download button...
Страница 67: ...3 Connect LT cable to the target mobile phone with power off 4 Completion of downloading...
Страница 74: ...5 4 Save back up NVRAM data as a file Save back up NVRAM data from target as a file...
Страница 77: ...6 4 Download to flash Click download to flash button and then updating parameters is complete...