Pioneer CDX-MG6056ZH Service Manual page 50

6 disc in-dash cd changer
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- CD Player Flowchart
[Key]
[4]+[6]+Reset
Test Mode In
Contents
Display
[CD]or[DISC]
Source CD
MIN
TRK
[ASEL]
Power ON
(T.OFFSET adjustment required)
MIN
TRK
00
[ASEL]
[3]
Power Off
Focus Close/S-curve/
F, EQ Measurement
MIN
MIN
TRK
SEC
TRK
91
[ASEL]
[1]
Power Off
Tracking Close
(AGC, Applicable Servo)
MIN
TRK
SEC
TRK
MIN
XX
XX
[ASEL]
[1]
Power Off
AGC/F.BIAS
Display Switching
MIN
MIN
TRK
SEC
TRK
??
??
[ASEL]
Power Off
MIN
TRK
SEC
*1) Switching must take place in the following sequence.
Focus Close
S.Curve Check
MIN
MIN
TRK
SEC
TRK
SEC
00
00
00
00
00
)
(
TRK
MIN
SEC
(
TRK
MIN
SEC
99
99
99
99
99
*2)
Single TR /4TR / 10TR / 32TR / 100TR
*3) Switching must take place in the following sequence.
Single TR
4 TR
10 TR
32 TR
9X(8X):91(81)
92(82)
93(83)
94(84)
*4)
It applies to the CRG Move and 100TR Jump alone.
*5) Switching must take place in the following sequence.
Min/Sec (or Track No.)
F.AGC Gain
(AGC Gain = (Current value/Initial value) x 20)
*6) Switching must take place in the following sequence.
F.Cancel Display
T.Offset Display
(F.Bias value, F.Cancel value, T.Offset value, T.Bal value
= (Upper 8 bits of the setting (7F[H] to 80[H] + 128)/4
= 63[D] to 32[D] to 00[D]).
Operation of TR JUMPs other than 100TR is continued after your finger has left the key.
CRG Move and 100TR Jump are forced to the Tracking Close Mode when the key is released.
Powering on or off resets the Jump Mode to the Single TR (91).
When ACC or Back up is off, the test mode is canceled.
Note:
The GA-NET BUS head unit(made by Pioneer) must be employed for controlling the test mode.
Note:
Sound is unavailable even after the tracking has been closed
(this trouble results when the IC for the STS is not controlled in the test mode).
Note:
When you pressed the [TRK+] or [TRK-] key during the Focus Search, you must turn the power off immediately
(otherwise, the lens can stick resulting in actuator damages).
Note: To exchange CD's, insert or eject a CD, use numerical buttons 1 to 6 on the CD changer.
(During the test mode, even when no disc is stored on a tray. If so, first press the EJECT button once.)
SEC
[3]
Power ON
(T.OFFSET adjustment not required)
MIN
SEC
TRK
SEC
00
99
99
00
[6]
*1
Tracking Servo
Focus Mode Select
Close
MIN
SEC
TRK
SEC
TRK
91
0X
0X
00
91
0X
or
TRK
[6]
Tracking Close
(No AGC, Applicable Servo)
SEC
TRK
MIN
SEC
XX
XX
XX
XX
[3]
CRG/TR Jump Count
*5
AGC
Select
MIN
SEC
TRK
SEC
TRK
XX
??
XX
XX
XX
Focus EQ Measurement.
MIN
TRK
SEC
00
00
00
00
MIN
)
)
(
TRK
SEC
99
99
99
99
CRG Move
100 TR
95(85)
96(86)
F.AGC Gain
F. BIAS Setting
T.Bal Display
Rough Servo.
CDX-MG6346ZH,MG6446ZH
99
[1]
[TRK+]
CRG+
MIN
MIN
SEC
TRK
SEC
00
00
00
00
00
or
MIN
SEC
MIN
TRK
SEC
99
99
99
99
99
99
[3]
[TRK+]
Auto Adjustment Display
*6
CRG+
/Rough Servo
MIN
TRK
TRK
SEC
8X
??
??
??
or
TRK
9X
[6]
[TRK+]
*2
CRG+/TR Jump+
*3
MIN
MIN
SEC
TRK
SEC
TRK
XX
XX
XX
XX
XX
[Key]
[ASEL]
[TRK+]
[TRK-]
[1]
[2]
[3]
[4]
[5]
[6]
[1]
Mechanism Test Mode
Initial State
MIN
TRK
SEC
72
0*
**
[TRK-]
CRG-
MIN
TRK
SEC
00
00
00
or
MIN
TRK
SEC
99
99
99
[TRK-]
Tracking Balance
CRG-
Adjustment
MIN
MIN
TRK
SEC
SEC
TRK
8X
8X
8X
8X
8X
or
MIN
SEC
TRK
MIN
SEC
9X
9X
9X
9X
9X
[TRK-]
[2]
*2
Trackig Open
CRG–/TR Jump–
MIN
MIN
SEC
TRK
SEC
XX
8X
8X
XX
8X
or
MIN
TRK
SEC
9X
9X
9X
*4
[2]
Trackig Open
MIN
TRK
SEC
8X
8X
8X
or
MIN
TRK
SEC
9X
9X
9X
Operation
Power ON/OFF
CRG+/TR Jump+
(Toward outer perimeter)
CRG-/TR Jump-
(Toward inner perimeter)
Tracking Close/AGC gain,
F.Bias adjustment value display switching
Auto Tracking Balance adjustment/
Tracking Open
Focus Close, S.Curve, F.EQ measurement/
Rough Servo/AGC
Focus Open
/SpindleUniform/Double Switching
Jump Off
Focus Mode select/Tracking Close/
CRG,TR Jump Switching
[2]
MIN
SEC
8X
8X
8X
[4]
SPINDLE
Uniform/
Double Switching
MIN
TRK
SEC
XX
XX
XX
49

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