Pioneer Premier CDX-P676 Руководство по эксплуатации - Страница 34
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6.3 ADJUSTMENT OF ELEVATION WHEN THE CD CORE UNIT HAS BEEN REMOVED
FOR MAINTENANCE
- Adjustment When Error Code 60 is Displayed Because of Malfunctioning Elevation
• Note :
This mechanisms is detects the height of the stage using slide-variable resistance.
To absorb dislocation of the stage height caused by differences in the mechanism and the CD core unit, adjustment
must be made for each CD-mechanism module using a variable resistor.
Normally, readjustment is not needed, as this has been adjusted at the factory. However, adjustment of elevation is
required according to the procedure explained below if an elevation error has occurred or if the CD core unit has
been removed.
• Purpose :
To adjust and confirm whether or not elevation operates correctly.
• Adjustment Method :
• Measuring Equlpment: Oscilloscope, One L.P.F.
• Measuring Points :
• Setting :
CD CORE UNIT
TE
L 13942296513
• Confirmation Procedure
1. Enter Test mode, then select Multi-CD player.
2. Press key 7 to enter Mechanism Test mode.
3. Press key 12 twice to specify the amount of movement.
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EREF, EPVO
Without a magazine in Test mode
With the mechanism placed upside-down (Place the CD mechanism module so that the CD
core unit is above.)
EREF
EPVO
x
ao
y
i
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8
Q Q
3
6 7
1 3
The amount of movement
changes each time key 12 is
pressed.
maximum movement
i
Key 12
i
during movement
Key 12
i
u163
Key 12
i
minimum movement
.
i
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
Oscilloscope
L.P.F.
47kΩ
1µF
Examples of display
TRACK
FUNCTION
'
"
TRACK
FUNCTION
72
00' 00"
TRACK
FUNCTION
72
00' 02"
TRACK
FUNCTION
m
72
00' 01"
co
TRACK
FUNCTION
72
00' 00"
9 9
2 8
9 9