User Guide

RH-37

System Module Nokia Customer Care

Page 40 Nokia Corporation Issue 1 07/04

Component Placement Hints

When exchanging components, all components must be placed properly. There is an

extra challenge when:

• Components are manually placed

• Lead free process is applicable (which is the case for all RH-37 devices)

Therefore, the following placement support and check possibilities have been imple-

mented:

Figure 18: PWB overview

Power switch (S2419)

The power switch placement has a direct influence to the phone usability and failure

rates. Improper placement can cause difficulties to switch the phone on / off or increase

the switch’s sensitivity when dropping the phone (peeling of the switch or its pads). For

proper placement, the corner marks need to fit properly even after soldering to get

Power Switch Helgo (RF-chip)

Camera Socket

Hardware Accelerator

UPP

UEM

Battery Connector

Flash

Pop-port

SIM card reader

Gel Grip LEDs