Control Settings - Alpine CDA-9855R Service Manual

(3) Control Settings

Power Switch .............................................. ON
Fader Control ........................... Center Position
Balance Control ....................... Center Position
Treble Control .......................... Center Position
Bass Contro ............................. Center Position
MX ................................................... Non Effect
(4) Adjustment Procedures
Connection
Step Description
Signal Meter
Auto
Figure 3
1
Adjustment
(FM)
Det Out-DC
OFFSET
2
Figure 3
Adjustment
(FM)
Signal Meter
Auto
3 Figure 4
Adjustment
(MW)
Signal Generator Dial Control
87.5MHz,
(1) 26dBµ
87.5MHz
(Mod. OFF)
87.5MHz,
(2) 26dBµ 87.5MHz
(Mod. OFF)
87.5MHz,
21~23dBµ 87.5MHz
(3)
(Mod. OFF)
87.5MHz,
(4) 26dBµ 87.5MHz
(Mod. OFF)
87.5MHz,
26dBµ 87.5MHz
(1)
(Mod. OFF)
87.5MHz,
26 -20dB µ
(2)
87.5MHz
(Mod. OFF)
87.5MHz,
(3) -20dBµ
87.5MHz
(Mod. OFF)
999kHz,
999kHz
(1) 34dBµ
(Mod. OFF)
999kHz,
999kHz
(2) 34dBµ
(Mod. OFF)
999kHz,
999kHz
(3) 29~31dBµ
(Mod. OFF)
999kHz,
µ 999kHz
(4) 34dB
(Mod. OFF)
- 9 -
Band Switch .............................. FM/MW/LW
T-CORR ...................................... Non Effect
EQ ....................................................... FLAT
DEMO ................................................... OFF
Others ................................................... OFF
Test Point /
P.W.Board
Coordinates
TP002
Auto Adjustment:
(3-F)
After setting up of Signal Genarator,
TP501
short GND and TP501 (Pull-Down)
(3-F)
for 2~3 seconds.
Proceed same Auto Adjustment of step
(1) under step (2).
TP002
(SPEC) TP002 : 1.5±0.1V
(3-F)
(SPEC) TP002 : others 1.5±0.1V
TP501
NOTE : NG : Proceed same Auto
(3-F)
TP002
(3-F)
Proceed same Auto Adjustment of step
TP501
(1) under step (3).
(3-F)
TP002
(3-F) Proceed same Auto Adjustment of step
TP501 (1) under step (4).
(3-F)
" DC OFFSET " displays after finishing
S-METER (FM) adjustment.
The SIGNAL GENERATOR output of
26dBu is lowered to -20dBu within
10 seconds.
When adjustment is finished,the
" DC OFFSET " display disappears.
Auto Adjustment:
TP002
(3-F) After setting up of Signal Genarator,
short GND and TP501 (Pull-Down)
TP501
for 2~3 seconds.
(3-F)
Proceed same Auto Adjustment of step
(1) under step (2).
TP002 (SPEC) TP002 : 1.0±0.1V
(SPEC) TP002 : others 1.0±0.1V
(3-F)
TP501
(3-F) NOTE NG : Proceed same Auto
TP002
Proceed same Auto Adjustment of step
(3-F)
(1) under step (3).
TP501
(3-F)
TP002
Proceed same Auto Adjustment of step
(3-F)
(1) under step (4).
TP501
(3-F)
CDA-9855R
Adjustment
OK
NG
Adjustment of step (1)
under step (3).
OK
NG
:
Adjustment of step (1)
under step (3).
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