
6809485A78-O
June 09, 2004
13
Level 2 Service Manual
General Operation
General Operation
Controls, Indicators, and Input/Output (I/O) Connectors
The A840 telephones’ controls are on the front and side of the device, and on the
keyboard as shown in Figure 1. Other hardware features are shown in Figure 2.
032407o
Figure 1. Controls and Indicators Locations
CLR Key
Volume Keys
Adjust earpiece
& ringer volume.
Smart Key
Select menu
items, make &
end calls, set
ring styles.
Voice
Recognition Key
Press once to
activate speaker-
independent
voice recognition.
Press & hold to
record voice
records, contacts,
& shortcut names.
Accessory Port
Send Key
Make &
answer calls,
view recently
dialed calls list.
Left Soft Key
Perform
functions
identified by left
display prompt.
Right Soft Key
Perform
functions
identified by right
display prompt.
5-Way
Navigation Key
Scroll through menus
& lists, set feature
values. From home
screen, press
K
key
in center to access
U-Max. In menus,
press
K
to select
highlighted item.
Camera Key
Power/End Key
Turn phone
on/off, end
phone calls, exit
menus.
Summary of Contents for A840 - Cell Phone - CDMA2000 1X
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Page 4: ...4 June 07 2004 6809485A78 O Contents A840 ...
Page 20: ...20 June 07 2004 Theory of Operation A840 Figure 5 PM6050 Block Diagram ...
Page 44: ...46 June 07 2004 6809485A78 O Disassembly A840 ...
Page 52: ...54 June 07 2004 6809485A78 O Troubleshooting A840 ...
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