Texas-instruments 2004 User Manual download pdf (Page 14)

Precautions

2-2

2.1 Precautions

Power Supply Input Polarity and Maximum Voltage

Always ensure that the polarity and voltage of the external power

connected to V

power input connector J1, J2, and/or V

power

input connector J6 are correct. Overvoltage or reverse-polarity

power applied to these terminals can open onboard soldered-in

fuses and cause other damage to the platform, installed evaluation

modules, and/or the power source.

Inserting or Removing EVM Boards

Do not insert or remove EVM boards with power applied

—damage

to the EVM board, the platform, or both may result.

Figure 2−1. Quick Start Platform Map

Signal Conditioning

****CAUTION****

Do not insert or remove

EVM boards with power

applied

ICC

JP4

VR1

JP3

JP2

JP1

AC/DC

(J2)

VCC(J1)

AC/DC

VCC

SOURCE

LED1

VCC

LED2

VDD

JP5

IDD

POWER

SUPPLY

U3 U4

Audio

Power

Amps

OnOff

ConditioningS2

Right

Out

Left

Out

+− +−

JP6

Mode

Mute

Spk(U2-U4)

JP8

Left

Out

JP7

Source

U2-U4

Polarity

HP(U5)

C3 C2

J10

Stereo

HP Out

TP1

GND

Plug-N-Play Audio Amplifier

Evaluation Platform

SLOP097 Rev. C.1

Stereo

Right

Left

In/Out

VDD

VR2

Power

In/Out

Speaker

Output

Headphone

Output

Audio

Input

Power

Input

Batt

C1+

Right

Out

Off Pwr

TEXAS

INSTRUMENTS

1997

6b 6b

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Texas-instruments 2004 User Manual Page 14

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