Adjustment Procedures - Alpine CTA-1505R Service Manual

Fm/mw/lw/rds digital commander/receiver
Hide thumbs Also See for CTA-1505R:
Table of Contents

Advertisement

Antenna Receptacle
AM Dummy
Antenna
*%
x
Figure 7
2 seconds Pull-Down
(3)
Control Settings
Power SWIitch
oo... .ceccccceccccesessteeesseneeeeserereeaees
ON
Bass Control
.....cscseeeceteeeeeee
Center Position
Fader Control
oo... eeecccceseeereeeee
Center Position
Band Switch
oo...
eereeeeee
FM/AM (MW)
Balance Control
o.ceeeeceeeceees
Center Position
BBE SWiteh
ouu....cccccccccscsssesseneserecetoeevevens
OFF
Treble Control
oo...
cceeeeeees
Center Position
Others?
s.ietncidssdndiesecieeaie
oeietiee.
OFF
(4)
Adjustment Procedures
Test Point /
Step
Description
Connection | Signal Generator
| Dial Control}
P.W.Board
Adjustment
Coordinates
|
T.P.00
Pere
98.1MHz,
S2dBy
i
ie aa
Auto Adjustment : After setting up of
ignal
Meter
:
:
Zz,
:
:
{
Auto Adjustment
Figure 3
(Mod. OFF)
98.1MHz
TP510
Signal Genarator, short GND and
T.P.510 (Pull-Down) for 2 seconds.
(3-F)
|
| T.P.001
IF
98.1MHz, 72dBu
|
(4-B)
2
;
Figure 4
(Mod. 400Hz,
98.1MHz
Adjust L2009 to 0+100mvV.
Adjustment
Dev. 40kHz)
|
T.P.002
'
(4-B)
|
aeianen
98.1MHz, 72dBy
|
ne
e a e
Figure 5
(Mod. 400Hz,
98.1MHz
Pre Output
| Adjust L2010 to less than 0.5%.
| Adjustment
|
Dev. 40KHz)
aa
-
+
T.P.001
4
|
98.1MHz, 72dBy
Confirm T.P.001 and T.P.002 output
|
IF
.
(4-B)
voltage is 0£100mV.
4
.
:
Figure 4
(Mod. 400Hz,
98.1MHz
:
Confirmation
T.P.002
(NG : Proceed same adjustment
Dev. 40kHz)
|
|
(4-B)
under Step 2.)
ji
i
| ace 72qBy
Adjust VR201 to for Rch output to be
Separation
,
(Mod. 1kHz,
i
minimum, and confirm Lch and Reh
2
Adjustment
Pigure/e
Dev. 36kHz,
SBME}
neues
output level difference is more than
Stereo, Lch only)
30dB.
T.P.003
| Auto Adjustment :
AM
:
6
feats pep
Figure 7
999kHz, 32dBy
999KHz
(3-F)
After setting up of Signal Genarator,
Adjustment
(Mod. 400Hz, 30%)
T.P.510
short GND and T.P.510 (Pull-Down)
i
(3-F)
for 2 seconds.
CTA-1505R/
CTA-1502R

Advertisement

Table of Contents
loading

This manual is also suitable for:

Cta-1502r

Table of Contents