BHI Noise Away Manuel de service télécharger pdf (Page 7)

Page 7

2. Module description

2.1 Module Layout.

The following diagram shows the layout of the

NEDSP1061-KBD module.

2.2 Module Connections.

The NEDSP1061-KBD module has five connections.

Red wire

: 5 - 15VDC

M3 Tag

:0V

Screened Lead

:

Red Audio In

Blue Audio Out

Black Audio Screen

Figure 2. Module layout.

++

Mounting

holes

(4 off)

Input

level

Output

level

Top

Overload

LED

Bi Colour

LED

Pushbutton

Red wire

(5-15VDC)

Screened Audio Lead

(Audio In/Out)

+

Keyboard

PCB

DSP

PCB

M3 Ring Tag

(0V)

(P2)(P1)

Beep volume

control

(P3)

Page 14

5. Troubleshooting

Start

Audio

Distortion

Overload

LED

Illuminates

Reduce Output

Level usin

g

P1.

Reduce Input

Level usin

g

P2.

Distortion

End

Yes

No

No

Yes

Figure 6. Troubleshooting flowchart.

1 2 3 4 5 6 7 8 9 10

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