2.1 Precautions
Power Supply Input Polarity and Maximum Voltage
Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD power input connector J6 are correct. Overvoltage or
Inserting or Removing EVM Boards
Do not insert or remove EVM boards with power appliedÐdamage to the EVM board, the platform, or both may result.
Figure 2±1. Quick Start Platform Map
5b | 1 | 9 | 5b | 5b |
5b
Power
Input
J1 VCC In + | VCC(J1) DC SOURCE | (J2) | JP2 AC/DC | JP3 Batt |
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| JP1 |
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| F1 | C1+ |
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| VR1 |
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D4 J2 AC/DC In |
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| D3 |
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| D2 | D1 |
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| J3 Right In |
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| R1 |
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| LED1 VCC |
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Signal Conditioning
Off Pwr
On | ICC | ||
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S1 | JP4 |
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B1
Audio
Power
Amps
IDD
JP5
R2
SUPPLY | POWER |
| VR2 |
U6 | F2 | ||
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| J6 VDD In/Out |
| LED2 VDD |
| J7 |
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| Right Out | |
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| J8 |
5a
DC
Power
In/Out
7
Audio Input
J4 J5
Stereo Left
InIn
TEXAS INSTRUMENTS 1997
S2 | Off |
U1 |
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Conditioning | On |
****CAUTION****
Do not insert or remove EVM boards with power applied
Evaluation Platform | TP1 GND | ||
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SLOP097 Rev. C.1 |
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3 | 2 |
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U3
| U4 |
U5 | U5 |
| Source |
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| + |
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| U2 |
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| Right Out |
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| ± |
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| Left Out |
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| JP6 | Mode | + |
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| Mute |
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JP7 HP(U5) |
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JP8 |
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| Polarity |
| J9 |
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| Lo |
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| Hi |
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| Stereo | |
S3 HP | + |
| C3 |
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| J10 |
R3 |
| C2 | HP Out | |||
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| R4 |
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| R5 |
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| 4 |
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8
Speaker
Output
Headphone
Output