SAMSUNG SGH-2200C
Manual de Servicio

Block Diagram 3-2
Head set Buzzer

3-2 Baseband Block Diagram

Audio Interface Voiceband/Baseband Codec (AD642d1)
SPK Mic.

Batteru Voltage

Flash ROM

I/Q BB Filter

Audio Interface
Battery Temperature

I,Q

System RAM

RF Interface

Ramp cont. AGC AFC

PLL

GSM Graphic LCD Processor (AD6426) Serial Data Interface

13Mhz Clock

BB Interface

I/O Interface EEPROM SIM card Interface

3V SYNTH

3V BRIGHT

+3V SIM Card +5V SIM Card

XVCC

Charging Circuit

3V TX

KeyPad
VCC

Li-on Battery (3.6V, 1000mAh)

DC/DC Converter

LDO Regulators

AVCC

RTC 3V3