Blu STUDIO 5.0S II Скачать руководство пользователя страница 5 | Manualshive

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1.4 STUDIO 5.0S II Hardware Diagram

The HW Diagram as follow

：

1.5 STUDIO 5.0S II Main Components

1.5.1 Mainboard

1 U101 - MT6582 CPU
2 U301 - MT6323
3 U401 - H9TP32A8JDACPR-KGM or H9TP32A8JDBCPR-KGM Memory
4 U501 - SKY77590   RF PA
5 U502 - MT6166 Transceiver
6 U503 - RF7241 WCDMA BAND1 PA or RF7242 WCDMA BAND2 PA
7 U504 - RF7248 WCDMA BAND8 PA or RF7245 WCDMA BAND5 PA
8 U601 - MT6627   WIFI BT GPS and FM 4 in 1 chip
9 U801 - BMA222E   G_SENSOR

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Содержание STUDIO 5.0S II

Страница 1: ...STUDIO 5 0S II SERVICE GUIDE...

Страница 2: ...and after service The readers of the document should be the debug worker of SMT and after service It will be the work guide for them At the same time the other members of the STUDIO 5 0S II project g...

Страница 3: ...2G band class frequency GSM850 900 1800 1900Mhz and two 3G band class frequency 850 or 1900 or 2100 MP3 MPEG4 U storage USB charger video record and play Bluetooth WIFI and so on 1 3 STUDIO 5 0S II C...

Страница 4: ...2 Assembly components on Bottom layer as follow...

Страница 5: ...1 U101 MT6582 CPU 2 U301 MT6323 3 U401 H9TP32A8JDACPR KGM or H9TP32A8JDBCPR KGM Memory 4 U501 SKY77590 RF PA 5 U502 MT6166 Transceiver 6 U503 RF7241 WCDMA BAND1 PA or RF7242 WCDMA BAND2 PA 7 U504 RF72...

Страница 6: ...t it to the antenna 2 1 TX Part 2 1 1 TX Circuit The modulation circuit is composed of PA and ASM The PLL circuit is mainly built in the MT6166 At first the I Q signals come into the MT6166 and then a...

Страница 7: ...be well strengthened and signals will be well protected 2 3 RF Part examine and Repair TX 2 3 1 Necessary condition a Test condition1 voltage 3 8V 4 2V b Test condition 2 GSM Band TX mode CH62 Freq 90...

Страница 8: ...a The wave I Q at transmit state as below b c If the PA_EN VRAMP and TX input are all in the correct states and the TX output is abnormal you can know there are something wrong with the SKY77590 d...

Страница 9: ...channel the audio decoder for buzzer the differential I Q input output GMSK modulator and A D D A coder decoder Besides these they also include the parts of AFC DAC RAMP DAC AGC DAC and a auxiliary fo...

Страница 10: ......

Страница 11: ......

Страница 12: ...chipset integrated the audio transducer and the hardware MP3 decoder also include the audio PA for driving the speakers The speaker circuit as below 3 2 MIC Circuit If the MIC loop is no working and...

Страница 13: ...and earphone_MIC two signals channels If the earphone is good plugged into the audio jack but it doesn t work normally such as no speaker audio no mic audio please check the circuit below The EINT_HP...

Страница 14: ...ypad circuit When a key is pressed the scan signal will be triggered and the CPU can recognized the correspondence line and row then read the function of it by the software 3 6 Camera Part The circuit...

Страница 15: ...5M 0 3M...

Страница 16: ...intenance Most of the hitches in this part represent as white screen black screen lack of color and snow screen The check steps as below White screen first check the connection of the FPC Then check t...

Страница 17: ...5 9 2 Circuit and Maintenance If the LCD has no display or bad display please check the PWM_BL_CTRL s voltage level and the Frequency After that check the solder of the LCM connector s pin 5 10 WIFI...

Страница 18: ...5 11 G SENSOR 5 12 L P SENSOR...

Страница 19: ...5 13 Touch panel...

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