6809493A67-O
March 06, 2006
11
Level 1 and 2 Service Manual
Product Overview
Product Overview
Motorola U6 telephones provide mobile communication in a small and stylish
package. This Global System for Mobile communications (GSM) General Packet
Radio Service (GPRS) Wireless Application Protocol (WAP)-enabled mobile phone
incorporates an icon based User Interface (UI) for easier operation, allows Short
Message Service (SMS) text messaging, Multi-media Messaging Services (MMS),
and includes Personal Information Manager (PIM) functionality. the U6 is a tri-
band phone that allows roaming within the GSM 850, 1800.1900 or GSM 900, 1800,
1900 depending on programming.
U6 telephones support GPRS, EDGE, SMS, EMS, and MMS in addition to
traditional circuit switched transport technologies. GPRS or EDGE, where
available, provides substantial increases in mobile data communications
performance and the efficient use of radio spectrum. Data transmission rates for
GSM networks can potentially increase from the current rate of 9.6 kbps up to a
theoretical maximum of 171.2 kbps (GPRS) or 384 kbps (EDGE). An increased data
rate is by no means the only benefit provided by GPRS/EDGE. A key advantage is
the provision of a permanent virtual connection to the network. This “always on”
connection is possible because GPRS/EDGE uses packet data transfer so that, for
example, email can be downloaded in “background mode.” There is no need for the
user to reconnect before requesting a service, eliminating connection set-up delays
and adding convenience and immediacy to data services access. The “virtual” nature
of this connection means that network resources are not consumed during periods
when a user is not actually sending or receiving data. Multimedia messaging allows
the end user to send photos along with personalized voice messages.
U6 telephones use the clamshell form factor. They feature an externally viewable
96 x 32 4K color STN CLI display for caller identification with date/time, and an
internal 167 x 220 256K TFT color display located in the flip. The bottom part of
the clam (front housing) contains the keypad, transceiver printed circuit board
(PCB), microphone, flex connection, external accessory connector, smart button,
volume buttons, and voice button. The standard 740 mAh Lithium Ion (Li Ion)
battery fits behind a removable cover.
The phone accepts 1.8v or 3V Subscriber Identity Module (SIM) card that fits into
the SIM holder located under the battery. The antenna is located internally. Direct
connection to a computer or handheld device is available through the USB port and
an accessory data cable. The USB connector allows data, fax calls, and the
synchronizing of phonebook and calendar entries using the optional mobile
PhoneTools™ software.
Features
U6 telephones use advanced, self-contained, sealed, custom integrated circuits to
perform the complex functions required for GSM GPRS communication. Aside from
the space and weight advantage, microcircuits enhance basic reliability, simplify
maintenance, and provide a wide variety of operational functions.
Features available in this model include:
• GSM/GPRS 900/1800/1900 MHz or 850/1800/1900 MHz
• Volume 69 cc
• 176 x 220, 1.9”, 256K TFT color display
• 96 x 32, 1”, BW CLI display
• VGA image capture w/ 4X zoom and lighting solution
• 5 way navigation key
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