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Quick Start List
2.2 Quick Start List
The following steps can be followed to quickly prepare the TI Plug-N-Play
Audio Amplifier Evaluation Platform and EVMs for use. Numbered callouts for
selected steps are shown in Figure 2–1 and details for each step appear in
Chapter 3.
Configure the platform
1) Ensure that all external power sources are set to OFF and that the platform
power switch S1 is set to OFF ; set gain controls to minimum
2) Select the TI audio evaluation modules to be used
3) Install the modules on the platform in the appropriate sockets
4) Use switch S2 to select or bypass the signal conditioning EVM (U1)
5) If the headphone jack (J10) output will be used, set source switch S3 to
U5 or U2–U4 according to which sockets have power amplifiers installed
6) Consult the User ’s Guide for the power amplifier installed in U5 (if any) and
set control signal Polarity jumper JP7 to either Hi or Lo
7) Consult the User ’s Guide for the power amplifiers installed in U2– U4 (if
any) and set control signal Polarity jumper JP8 to either Hi or Lo
8) Consult the User ’s Guide for the power amplifiers installed in U2– U4 (if
any) and set jumper JP6 to select either the Mute or Mode control input
Connect power supplies
9) Consult the User ’s Guides for the modules installed and select external
power supplies that will provide a voltage appropriate for the modules
installed (platform V CC must be within the range of 5.5 V to 15 V, or 5.5 V
to 12 V with a SLVP097 regulator module installed in U6, for example)
10) If any module installed on the platform requires a regulated V DD of 3.3 V
or 5 V for operation, install a SLVP097 regulator EVM (or equivalent) in U6
or connect an external regulated power supply adjusted to the correct
voltage to screw terminals J6, taking care to observe marked polarity
11) Connect power to, and jumper ONE of the following V CC power inputs:
a) Connect an external DC power supply to screw terminals J1, taking
care to observe marked polarity, and jumper JP1
b) Plug a coaxial power connector (AC or DC) into J2 and jumper JP2
c) Install a 9-V battery into B1 and jumper JP3
Connect inputs and outputs
12) Connect the audio source to left and right RCA phono jacks J3 and J5 or
stereo miniature phone jack J4
13) Connect 4- ? – 8- ? speakers to left and right RCA jacks J7 and J9 or to
stripped wire connectors J8 , or plug headphones into J10
Power up
14) Verify correct voltage input polarity and set external power supplies to ON ,
then set platform power switch S1 to ON
LED1 should light indicating the presence of V CC , LED2 should light indicating
the presence of V DD (if used), and the evaluation modules installed on the
platform should begin operation.
15) Adjust signal source levels and EVM gain controls as needed
Quick Start
2-3
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