Down4Sound JP234 소유자 매뉴얼 - 페이지 6

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The JP234 ampli er has STATE OF THE ART protection features to prevent any damage from misuse or faulty

conditions. IF the ampli er senses excessive heat, short circuited speakers DC, or voltage, the protection

indicator will light, and the system will be turned o . In order to check the problem, you should turn all

level down and all power o and carefully check the installation for wiring mistakes or short, check the

subwoofer too sometimes spiders rip and they short the coil..

If ampli er shuts down due to excessive heat, it will work once it cools down. Check Bass Remote the Temp

the suggested procedures.

NO OUTPUT

1. Check remote turn-on voltage at ampli er and headunit, when remote turn-on voltage is low or

no turn-on voltage, ampli ers will remain o .

3. Check RCA Input is properly connected.

AMPLIFIER SHUT DOWN ( PROTECTION )

1. Please check POWER, GND and REMOTE wire connection and other wires for proper connection.

2. When input voltage greater then 4V DC is present at the ampli ers RCA input, the amp will go into DC

protect. In this case, remove the RCA input cable.

Check whether the ampli er comes out of the protection. if it does, you will need to replace the headunit or

signal processing source.

3. If ampli er overheats, the thermal protection will turn o the amp. Ampli er will be back to work

4. JP-234 has minimum working impedance of 2ohm stereo or 4ohm bridged.

5. JP-234 working voltage is 8.5V - 16Volts.

6. Make sure Chassis and Remote use same GROUND.

DISTORTION & NOISE

1. Please readjust ampli er input gain level which is printed on endplate.

2. Make sure there is a good ground connection for ampli er and headunit.

3. Use su iciently shielded RCA interconnects and good RCA routing. Avoid running RCA signal wires

near power cables.

4. Check all ground connections of all other audio equipment.

POOR RESPONSE

1. Check speaker wiring and reverse polarity.

efore removing your ampli er, refer the list below and follow