Velleman-projects K4305 Assembly instructions Manuel d'utilisateur télécharger pdf (Page 12)

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Connect the unit to a speaker output (HIGH input):

14. Connecting to a speaker level output and connecting a power

supply from 10 to 15VDC / 250mA max..

12V/250mA

FROM POWER AMPLIFIER

MAINS

SPEAKER RIGHT

INPUT (0)

10...15VDC

1000uF/25V

1N4007

1000uF/25V

1N4007

POWER

SUPPLY

LOW IN

HIGH IN

P4304

SPEAKER LEFT

HIGH IN

LOW IN

P4304

RIGHT

LEFT

Connect the unit to a suitable supply voltage between 10VDC and

15VDC, this can also be a standard DC adapter. You can also build

your own power supply, see diagram. Use a 2x12V transformer, two

rectifier diodes and a electrolytic capacitor or use a single 12V trans-

former with a bridge rectifier and a electrolytic capacitor.

1 2 ... 7 8 9 10 11 12 13 14

2 x 10 LED STEREO VU METER 1
COLOR= 2… 5 2
8. ELECTROLYTIC CAPACITOR 5
(Check the polarity) 7
2...3mm FRONTPANEL 10
CAR RADIO 13
RIGHT SPEAKER 13
LEFT SPEAKER 13

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Velleman-projects K4305 Assembly instructions Manuel d'utilisateur Page 12

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