NHM3-018.PDF part of NOKIA NHM3-018 NHM3-018.PDF, NOKIA Mobile Phone Nokia

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CONFIDENTIAL 1 (3)

Nokia Mobile Phones Service Bulletin No. SB-018/28.03.01
Technical Support, Europe & Africa

NHM-3

FLEX FOIL SOLDERING INSTRUCTIONS

LCD module (4850151) is connected to PWB with flexible printed cable (flex
foil). LCD module needs to be changed, if it is broken or if uBGA components
need to be changed. The use of new LCD is recommended, if the old LCD
module had to be removed. Following tools and instructions are
recommended to be used and followed when changing flex foil by manual
soldering. Note that METCAL-station provides special technology and
constant temperature of the tip, which allows this soldering to the performed
accordingly.

Tested and recommended tools: Metcal Soldering Station
MX 500 (SmartHeat Technology)
http://www.metcal.com/products/1.2.1.htm

Metcal Tip cartridge:
SMTC 162 (22.1 mm; max 412