FLY SP-770, Как в инструкции

Страница: 62 / 77

4. Vibrator not in operation
1. Check to see if Gate pin voltage at Q540pin is 2.8V.
2. Check to see if Board to Board connector is correct.
3. Check the path from Q540 to vibrator
4. Check to see if there is no short between vibrator wire and mechanical parts.
5 MP3 Play not in operation
1. Check to see if NO.1 pin signal at U990 is high
2. Check to see if U990 peripheral circuit at the LCD module is correct
3. Check to see if audio path between speaker and U990 is correct.
6. Camera Play not in operation.
1. Check to see if C882 voltage is 3.3V.
2. Check to see if C651 voltage in the LCD Module is 2.8V.
3. Check to see if NO.9 pin voltage at J650 in the LCD Module is 1.8V.
4. Check to see if Camera control signal and data signal are correct
at the B to B connector (J631)
5. Check to see if the 24pin connector contact in the camera module is correct
6. Replace Camera Module
7. FM Radio Play Error
1. Check to see if the I2c_CLK/DATA signal of FM Radio is correct
2. Check to see if the C712 clock is 32.768khz
3. Check the value of L712/C718/C717 is same with FM Radio matching value at
schematic
8 Charging error
1. Check to see if the battery voltage is under 2.4 voltage
2. Check to see if the charger out voltage is 5-5.3v
9. Bluetooth error
1. Check to see if Drain pin at Q870 voltage is 2.8
2. Check to see if U700 peripheral circuit is correct
3. Check the matching value of C701/L700/L701 is same with the value at schematic
10. GSM RX/TX Power
* Check to see if Battery power is 3.8V.