Description of Connectors

2.4.5Loudspeaker Connectors (J540, J541, J580, and J581)

All speaker connectors accept standard 4 mm plugs. Use of high quality plugs and speaker cable are recommended.

Table 2−3. Description of Loudspeaker Connectors

Reference Designator

Description

J540

Left speaker positive output terminal

 

 

J541

Left speaker negative output terminal

 

 

J580

Right speaker positive output terminal

 

 

J581

Right speaker negative output terminal

Caution

Both positive and negative speaker outputs are floating and may NOT be connected to ground (f.ex. through an oscilloscope).

2.4.6Power Supply Connector

Figure 2−6. Pin Numbers at PSU Connector (Top View)

4

3

2

1

Table 2−4. Description of PSU Connector

Pin No.

Description

Net Name at Schematic

1

Supply voltage for output stage

POWER−OUTPUT−STAGE

 

(VHBR)

 

 

 

 

2

Supply voltage for control and gate

 

drive (V+)

 

 

 

 

3

Ground

GND

 

 

 

4

Ground

GND

2-6

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Image 18
Texas Instruments SLEU056 manual Loudspeaker Connectors J540, J541, J580, and J581, Power Supply Connector