Ficha Tecnologica Celular MP201

GSM Model: MP201

A300 Service Manual & Technical Report

Section A. General Specifications

Features (1)Dual SIM with A-TV;

(2)Ultra low cost phone

(3)Dual standby

English/Russian/Arabic/French/Turkish/Spanish/Portuguese/Italian.etc

Basic Info

Production time 2009.1

Platform MT6225

Band GSM850/900/1800/1900MHz

Color TBD

Dimension 45*105*13.35mm

Weight About 80g

Talk time 240 mins

Standby time 130 hrs

Lithium-ion Battery 700mAh

Screen 2.0" 262K Colors TFT 176*220

Basic Function

Message SMS/EMS

Phonebook 500

Call record 40

Current Language English/Russian/Arabic/French/Turkish/Spanish/Portuguese/Italian.etc/Hindi.etc

Memory

Nor/SRAM 64MB+32MB

External memory T-Flash

Multimedia

Video MP4 player Yes

Audio MP3 player Yes

Reording Yes

Ringtone 64 chord

TV Yes (Analog)

FM Yes

Camera(Option) Pixel real 0.3 mega pixel/CMOS

Video recorder Yes

Entertainment Power on/off animation Yes

Wallpaper(Sceensaver) Yes

Games Yes

Network&data trnasfer

WAP No

Bluetooth NO

USB Charger Yes

Other function

Calendar Yes Alarm Yes

Handfree Yes Calculator Yes

Vibration/Mute Yes Unit conversion Yes

Flashlight 　 Yes 　 　

World Time Yes Memo Yes

Section B. Electrical Specifications

.1 General

Mobile Transmit Frequency 824 MHz ~ 849 MHz/880 MHz ~ 915 MHz

1710MHz ~ 1785MHz/1850MHz ~ 1910MHz

Mobile Receive Frequency 869 MHz ~ 894 MHz /925 MHz ~ 960 MHz

1805MHz ~ 1880MHz/1930 MHz ~ 1990MHz

The Number of Time Slot 8

The Number of Channels 124/174/375/299

Channel Spacing 200 kHz

Power Supply Rechargeable Li-Ion Battery 3.7V/680mAh

Operating Temperature -10℃ ∼ +55℃

Dimension 76(H) ×40(W) ×23.5(D) mm (SLIM)

Weight 76 g

2 Transmitter

Maximum Output Power 33±2/33±2 / 30±2 / 30±2 dBm

Frequency Error ±90Hz/±90Hz/±180Hz/±180Hz

Phase Error RMS < 5°, PEAK < 20°

Minimum Output Power 5±5 / 0±5 dBm

Power Control 5~19(2 dB Step)/0~15(2 dB Step)

Output RF Spectrum TS 100 910V6.2.0

Switching Transient TS 100 910V6.2.0

Intermodulation attenuation

Conducted Spurious Emissions Idle Mode

-57dBm 9KHz~880M/915MHz~1GHz

-59dBm 880MHz~915MHz

-53dBm 1.7~1.785GHz

-47dBm 1~1.715GHz/1.785GHz~12.75GHz

Allocated Channel

-36dBm 9KHz~ 1GHz

-30dBm 1GHz~ 12.75GHz

3 Receiver

Reference Sensitivity

For GSM850 small MS :-102dBm

For GSM900 small MS :-102dBm

For DCS1800 class3 MS : -102dBm

For PCS1800 class3 MS : -102dBm

For Adjacent interference

For Adjacent(200KHz) interference

For Adjacent(400KHz) interference

For Adjacent(600KHz) interference C/Ic 9 dB

C/Ia1 -9 dB

C/Ia2 -41 dB

C/Ia3 -49 dB

Section C. Theory of Operation

1.1 Logic Section

1.1.1 DC Distribution and Regulation Part

Applying battery voltage and pressing “END” key on the key pad short-circuits “Ground” and “_

Power　ON”. MT6253(U1) control that power manage regarding power on/off in handset

Pressing POWERKEY on the key pad is active on the handset.

This will turn on all the LDOs, when POWERKEY is held low. The

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