Ta b le of contents – Custom Autosound USA-66 User Manual
Page 2
T
a
b
le of Contents
Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Gener
al
Installation
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Radio
Connections
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Lo
w
Le
v
el
Output
Connection
. . . . . . . . . . . . . . . . . . . .4
Wir
ing
Diag
ra
m.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Controls
and
Displa
y
. . . . . . . . . . . . . . . . . . . . . . . . . . .6
Receiv
er
Basic
Oper
ation
. . . . . . . . . . . . . . . . . . . . . . .7
CDC
Changer
Oper
ation
. . . . . . . . . . . . . . . . . . . . . . . .7
A
ux
Input
Oper
ation
. . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Noise
Suppression
. . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
T
roub
le
Shooting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
1
Radio Specifications
FM Section
T
uner
T
ype
. . . . . . . . . . . . . . . . . . . . . . . . .PLL
F
requency
Range
. . . . . . . . . . .87.5-1
08
MHz
Image
Rejection
. . . . . . . . . . . . . . . . . . . .50dB
Quieting
Sensitivity
. . . . . . . . . . . . . . . . . .4uV
T
.H.D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
%
IF
Rejection
. . . . . . . . . . . . . . . . . . . . . . .60dB
AM Section
F
requency
Range
. . . . . . . . . . . .530-1710KHz
S/N
Ratio
. . . . . . . . . . . . . . . . . . . . . . . . .50dB
Selectivity
. . . . . . . . . . . . . . . . . . . . . . . . .
25dB
A
udio Section
Output
Channel
. . . . . . . . . . . . . . . . . . .50
X
4
Output
Impedance
. . . . . . . .4ohm
per
speak
er
Response
. . . . . . . . . . . . . . . . . . .30Hz-I
8KHz
General
P
o
w
er
Supply
. . . . . .12VDC
Negativ
e
Ground
Speak
er
impedance
. . . . . . . . . . . . . .4-8
ohm
Stand-By
Current
. . . . . . . . . . . . . . . . . .0.02A
Chassis ....
180mm(7
7
/
8
”)(w) X 70 (2 -
1
/
4
")mm
.
X
150 (5
5
/
8
")mm(D)
IF
F
requency
. . . . . . . . . . . . .10.7MHZ
Sensitivity
. . . . . . . . . . . . . . . . . . .2.6V
S/N
Ratio
. . . . . . . . . . . . . . . . . .60dB
Capture
Ratio
. . . . . . . . . . . . . . .1.5dB
Separ
ation
. . . . . . . . . . . . . . . . .35dB
IF
F
requency
. . . . . . . . . . . . .450KHz
Sensitivity
. . . . . . . . . . . . . . . . . .2OuV
System
P
o
w
er
. . . . . . . . . . .200
W
atts
THD
. . . . . . . . . . . . . . . . . . . . . . .0.5%
Pr
ob
lem
Cause
Solution
NO Lights
, NO Sound
P
o
w
er Lead:Red
Wire not con-
nected or P
o
w
er not getting to
radio
Chec
k fuse in filter bo
x.Chec
k
all connections on this wire
and v
e
rify that r
adio is getting
12V on this wire
.
Lights b
ut No Sound
P
o
w
er Lead:Or
ange
Wire not
Connected or po
w
er not getting
to r
adio
Chec
k fuse in filter bo
x.Chec
k
all connections on this wire
and v
e
rify that r
adio is getting
12V on this wire
Lights Displa
y
ed b
ut No
Sound
Prob
lem with a speak
er or
speak
er wire
V
e
rify all speak
ers used are
4ohm or g
reater
.
V
er
ify that
none of the speak
ers are
going to g
round.
V
e
rify that none of the speak-
er wires are shor
ting to them-
selv
es or g
round.
Sound only heard on one
side
Noise with Radio
Reception
Speak
er wires disconnected
Balance control set to one side
Antenna not fully e
xtended
Car under
neath Fluorescent
lights
Chec
k all connections
Adjust balance control to cen-
ter position
Extend antenna to full length.
Bac
k v
ehicle out of gar
age
and test again