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Table of Contents

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General Installation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Radio Connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Low Level Output Connection   . . . . . . . . . . . . . . . . . . . .4

Wiring Diagram.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Controls and Display   . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Receiver Basic Operation   . . . . . . . . . . . . . . . . . . . . . . .7

Programming The Preset Memory  . . . . . . . . . . . . . . . . . 7

Sound Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

CDC Changer Operation   . . . . . . . . . . . . . . . . . . . . . . . .9

USB Playback   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Digital Display  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Setting the Clock  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Noise Suppression   . . . . . . . . . . . . . . . . . . . . . . . . .11-12
Trouble Shooting   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Specifications   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

1

Radio Specifications

FM Section

Tuner  Type  . . . . . . . . . . . . . . . . . . . . . . . . .PLL 
Frequency Range   . . . . . . . . . . .87.5-108 MHz
Image Rejection   . . . . . . . . . . . . . . . . . . . .50dB
Quieting Sensitivity   . . . . . . . . . . . . . . . . . .4uV
T.H.D  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1%
IF Rejection   . . . . . . . . . . . . . . . . . . . . . . .60dB

AM Section

Frequency Range   . . . . . . . . . . . .530-1710KHz
S/N Ratio   . . . . . . . . . . . . . . . . . . . . . . . . .50dB
Selectivity  . . . . . . . . . . . . . . . . . . . . . . . . . 25dB

Audio Section

Output Channel   . . . . . . . . . . . . . . . . . . . .60X4
Output Impedance  . . . . . . . .4ohm per speaker
Response   . . . . . . . . . . . . . . . . . . .30Hz-18KHz

USB

File compatibility........MP3/WMA

General

Power Supply   . . . . . .12VDC Negative Ground
Speaker impedance   . . . . . . . . . . . . . .4-8 ohm
Stand-By Current   . . . . . . . . . . . . . . . . . .0.02A
Chassis .... 200mm(7 

7

/

8

”)(w)X50(2 -

1

/

4

")mm

.                             X150(5 

7

/

8

")mm(D)

IF Frequency  . . . . . . . . . . . . .10.7MHZ
Sensitivity  . . . . . . . . . . . . . . . . . . .2.6V
S/N Ratio   . . . . . . . . . . . . . . . . . .60dB
Capture Ratio  . . . . . . . . . . . . . . .1.5dB
Separation   . . . . . . . . . . . . . . . . .35dB

IF Frequency   . . . . . . . . . . . . .450KHz
Sensitivity   . . . . . . . . . . . . . . . . . .2OuV

System Power   . . . . . . . . . . .240 Watts
THD  . . . . . . . . . . . . . . . . . . . . . . .0.5%

14

Summary of Contents for USA-630

Page 1: ...oblems costs incurred for removal or reinstallation of product or damage of tapes speakers accessories or car electrical systems This warranty does not apply to any product or part thereof which has been damaged through alteration mishandling misuse neglect or accident ANY IMPLIED WARRANTY IS LIMITED TO THE DURATION OF THIS WRIT TEN WARRANTY UNDER NO CIRCUMSTANCES SHALL THE COMPANY BE LIABLE FOR A...

Page 2: ...r Type PLL Frequency Range 87 5 108 MHz Image Rejection 50dB Quieting Sensitivity 4uV T H D 1 IF Rejection 60dB AM Section Frequency Range 530 1710KHz S N Ratio 50dB Selectivity 25dB Audio Section Output Channel 60X4 Output Impedance 4ohm per speaker Response 30Hz 18KHz USB File compatibility MP3 WMA General Power Supply 12VDC Negative Ground Speaker impedance 4 8 ohm Stand By Current 0 02A Chassi...

Page 3: ... advised that you do Not return defective units to your dealer There is generally no exchange e g as is standard Electronics Industry Policy Also most dealers do not have radio technicians test benches etc and a return to factory through a dealer can extend turn around times by weeks Please call Custom Autosound requesting technical assistance if a problem occurs We will gladly trouble shoot advis...

Page 4: ...pe off remaining speaker leads to prevent a short Plug in or wire the red power wire to a switched 12volt source Plug in or wire the orange memory wire to a constant 12volt source Wire the black ground wire to a clean solid chassis point or original ground wire from the factory radio Good Listening Audio quality is only as good as speaker quality 3 12 Antenna Noise A static or crackle heard throug...

Page 5: ...noise using the descriptions under Sources Of Electrical Noise To eliminate the noise follow the procedures described under Elimination of the specific noise source Noise Suppression 1 Check all ground connections Remove paint from painted surfaces to secure a good electrical ground 2 Check battery posts If contacts are corroded or loose clean and tighten both terminals 3 Check battery or add flui...

Page 6: ... will appear on the LCD 2 USA EURO FREQUENCY SELECTOR This feature is used to select how the radio receives signals for either USA or European channel spacing see fig 2 1 Disconnect the main power and the memory power 2 Move the channel space switch to USA position This changes the channel space to 200KHz for FM and 10KHz for AM Move channel space switch to EUR position to change the channel space...

Page 7: ...l the desired source is shown on the LCD display 10 CD Indicator Disc Number Track Number Disc Up Disc Down Track Up Track Down Track UP Down TURN USB Player The USB decoder is compatible with MP3 MPEG Audio Layer 3 and WMA Windows Media Audio files It is preferable to set up your flash drive thumb drive with a folder system This way you can advance to another set of songs folder by pressing the d...

Page 8: ... above 2 3 steps to program another station on another button Repeat above steps until 4 stations are programmed in FM 2 and 4 in FM 3 for a total of 12 stations B AM Programming 1 Repeat the steps 2 3 above but with the Band Selector 2 in the AM band 8 BAND TUNING PRESS ON OFF VOLUME CD MODE CHANGE BUTTON Tuner Mode Pre set Number Stereo Indicator pre set 1 pre set 2 pre set 3 pre set 4 fig 4 fig...

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