Lanzar Car Audio 15 Output levels NOT set correctly, volume level, bare metal, increased, Problem

Page 15
T B O U B L E S H O O T I N G G U I D E

T B O U B L E S H O O T I N G G U I D E

PROBLEM

POSSIBLE CAUSE

 

 

 

 

1. There is an audible distortion at a low

• Output levels NOT set correctly.

 

volume level.

• EQUALIZER frequencies NOT set correctly.

 

 

• Check for shorts on the speaker leads.

 

2. A whining sound can be heard through the

• Check the red power wire. It muse be

 

speakers when the audio system is at low

connected directly to the battery.

 

volume with the engine running. The whining

• Check the system's ground point It muse

13

noise remains unchanged or seems to

make good contact with chassis ground

disappear when the volume level is

(bare metal).

 

increased.

• The radio and the EQUALIZER must be

 

 

grounded at the same reference point.

 

 

 

 

3. There is a "motor boating" type of sound

• Check the red power wire. It must be

 

when the engine is running and the audio

connected directly to the battery.

 

system volume is set at a reasonably high

• Check the system's ground point. It must

 

level.

make good contact with chassis ground

 

 

(bare metal).

 

 

 

 

4. High squeal noise from speakers

• This is almost always caused by a poorly -

 

 

grounded RCA patch cord.

 

 

 

 

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Contents Half/Full Octave OptiE-15u s e r ’ s m a n u a l 15-BandI N T R O D U C T I O N troubleshooting general features precautionsfeatures and specifications system wiring mounting and installationGold-PlatedConnectors and Terminals g e n e r a l f e a t u r e sFront/Rear Fader Control Power LED Indicator EQ Bypass SwitchP r e c a u t i o n s Reconnect the negative battery ground leadReinstate all car parts that were removed f e a t u r e s a n d s p e c i f i c a t i o n s Half Octave f e a t u r e s a n d s p e c i f i c a t i o n sPower Requirement Control FrequenciesREMOTE S y s t e m w i r i n gStandard 4-ChannelOutput to BATTERYAMPLIFIER Dual E-152 + 2 Channel Output Using 4 RCA InputsS y s t e m w i r i n g TO REARS y s t e m w i r i n g Dual E-152 + 2 Channel Output Using 2 RCA INPUTSto BATTERY to BATTERYS y s t e m w i r i n g 4 Channel Output Using Speaker Level InputsM o u n t i n g a n d i n s t a l l a t i o n PrecautionsSuggested Tools and Other Parts M o u n t i n g a n d i n s t a l l a t i o n Processor InstallationNOISE CHECK SYSTEM ADJUSTMENTCheck the red power wire. It must be volume levelconnected directly to the battery disappear when the volume level isl i z e r R.A. # Lanzar Service Center1600 63rd Street Brooklyn, NY E q u a
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