VM Audio SRA2200.1 Specifications download pdf (Page 11)

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TROUBLESHOOTING

If the amplier does not appear to be working, check

for blown fuses, poor or incorrect wiring connections

and incorrect settings.

NO SOUND? 1) Source unit volume is turned down

or muted: Turn volume up slowly or turn mute off.

2) Low or no remote turn-on voltage: Check remote

connections at the amplier and source unit. check

with your DMM to make sure there is 12V to the

REM wire. 3) Blown Fuse on the Amplier: Replace

with new fast-blow fuse (same rating). 4) Power

wires not connected: Check battery connections,

Check grounding wire at amplier, Use your DMM

and check your voltage at the amplier. 5) Speaker

leads shorted: Check speaker continuity using your

DMM to ground (it should show no common ground).

6) Speakers not connected or blown: Check speaker

connections at amplier and at speakers, Disconnect

speakers at amplier and measure coil impedance

with DMM.

DISTORTED AUDIO? 1) Gain may not be properly

set: Review section (Calibration) for setting the Gain

properly. 2) Speaker may be damaged: Inspect each

speaker cone for signs of damage (frozen cone,

burned smell, separated or ripped surround or

spider).

REDUCED BASS? 1) Speakers may be wired in

reverse polarity: Reverse a speaker connection from

positive to negative on the stereo or speaker.

Setting Bass Boost

1. Turn the gain and bass control all the way

down (counterclockwise).

2. Turn the vehicle on, and make sure the source

unit is turned on.

3. Insert a CD/DVD with undistorted music.

4. Start to increase the volume at the source unit

until you hear distortion (aproximately at 90%).

5. Turn the volume down at the source unit until

the distortion goes away.

6. At the amplier, slowly turn the Bass Boost

control up (clockwise) until you hear a slight

distortion from the speakers.

7. Turn the Bass Boost control back down until

the distortion goes away.

8. When the Bass Boost control is properly set,

you should be able to achieve the maximum

undistorted output with the volume turned all

the way up.

Warning!

Do not set or increase the amplier’s gain when setting

the Bass Boost control. Increasing the gain even slightly

will cause the amplier to heat up and amplier failure

could occur.

CALIBRATION Continued...

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VM Audio SRA2200.1 Specifications Page 11

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