Alpine CDA-9855R Service Manual page 10

Step Description Connection
Signal Meter
Auto
Figure 4
4
Adjustment
(LW)
FM ST
Separation
Figure 5
5
(Roll OFF)
Adjustment
Stereo Blend
Adjustment Figure 5
6
(Lch)
Limitting
Figure 6
7
Adjustment
Signal Generator Dial Control
216kHz,
(1) 34dBµ 216kHz
(Mod. OFF)
216kHz,
(2) 34dBµ 216kHz
(Mod. OFF)
216kHz,
(3) 29~31dBµ 216kHz
(Mod. OFF)
216kHz,
(4) 34dBµ 216kHz
(Mod. OFF)
(1)
98.1MHz, 72dBµ
(Mod. 400Hz,
(2) Dev. 40kHz, 98.1MHz
Stereo, 1kHz,
Lch only)
(3)
(1)
98.1MHz, 46dB
µ
(Mod. 400Hz,
(2) Dev. 40kHz, 98.1MHz
Stereo, 1kHz,
Lch only)
(3)
(1)
98.1MHz, 24dBµ
(2) (Mod. 400Hz, 98.1MHz
Dev. 40kHz)
(3)
- 10 -
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 : 1.0±0.1V
(3-F)
(SPEC) TP002 : others 1.0±0.1V
TP501
(3-F) NOTE : NG : Proceed same Auto
Adjustment of step (1)
under step (3).
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)
Set up of Adjustment Mode :
POWER +
Push
at the same time.
Push and
observe value of separation.
Audio Output
Select and
(RCA)
separation.
(SPEC) : separation : more than 20dB.
Cancel Adjustment Mode :
POWER +
Push
at the same time.
Set up of Adjustment Mode :
BAND +
Push
at the same time.
and
Push
Audio Output
observe value of blend.
(RCA)
(SPEC) : Blend : 8±6dB.
Cancel Adjustment Mode :
BAND +
Push
at the same time.
Set up of Adjustment Mode
BAND +
Push
at the same time.
Push and
Audio Output
observe value of limitting.
(RCA)
(SPEC) : Limitting : 3dB.
Cancel Adjustment Mode :
Push BAND +
at the same time.
CDA-9855R
Adjustment
OK
NG
Key
Key, and
Key of maximum
Key
Key
Key, and
Key
:
Key
Key, and
Key
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