Nokia 6255 Service Manual

6255/6255i6256/6256i (RM-19)
Baseband Description and Troubleshooting

Nokia Customer Care

Page 6 

©2005 Nokia Corporation     Company Confidential

Issue 2 05/2005

PWM

Parallel

Battery

Zocus

Sim

MMC

Tiku EDGE

MCU ARM925

PDRAM

C-DSP Lead3

A-DSP Lead 3

2G System Logic

UEME

Regulation

Charge Control

Audio

FBUS / MBUS

SIM I/F

RTC

Tomahawk

DC Jack

Int Display

Production
Test IF

RF

Keyboard

Mic

IHF Speaker

Disp BL’s

Camera

IRDA

Bluetooth

FM Radio

Antenna

SMPS

SDRAM

CBUS

Nut

PCM / UART

VCORE

VIO

Regulator

Serial

Ext Display

UHS Jack

EL

Amplifier

EarPiece

Vibra

Cam Flash

PWM

Flash Memory
(Program,
NOR)

Flash Memory
(User, NAND)

D

B

U

S

32 KHz

UART