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JVC ux-a70md Service Manual page 4

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UX-A70MD
(5) Adjustment of the disk
Set up the TEST MODE 1.
Insert the
premastered disk.
Reading of TOC ends.
Press the MD PLAY
key on the remote
controller.
FL indication
ON TUNING
Automatic adjustment starts.
Adjustment OK?
YES
FL indication
OK TUNING
Press the STOP key on
the remote controller.
Press the EJECT key
on the main unit.
Insert a recordable
disk.
Press the MD PLAY key
on the remote controller.
FL indication
ON TUNING
Automatic adjustment starts.
Adjustment OK?
YES
FL indication
ON TUNING
Press the STOP key on
the remote controller.
Press the MD EJECT
key on the main unit.
1-4
Press the STOP
key on the remote
controller.
* If an error indication of "ERR:07"
appears at the first adjustment, try
to make a fresh start of the same
adjustment.
NO
FL indication
NG ERR: XX
NO
FL indication
NG ERR: XX
Refer to the NG judgment code table.
Automatic adjustment
ends.
XX: Refer to the NG judgment code table.
NG Judgment Code Table
NG item in adjustment
Code
00
Automatic adjustment is incomplete.
01
Rest switch detection
02
Focus-on
03
EF balance, tracking offset adjustment (Pit area)
04
ABCD level (I-V resistance) adjustment (Pit area)
05
Focus servo AGC (Pit area)
06
Tracking servo AGC (Pit area)
07
Focus bias adjustment (Pit area)
08
EF balance, tracking offset adjustment (GRV area)
09
ABCD level (I-V resistance) adjustment (GRV area)
0A
Focus servo AGC (GRV area)
0B
Tracking servo AGC (GRV area)
0C
Focus bias adjustment (GRV area)
0D
Room temperature measurement
0E
Write in EEPROM
10
(Focus, TRK, SLED) AGC data read time-out
20
Pit area spindle lock
30
Groove area spindle lock
XX Automatic adjustment is complete.
Press the POWER key on the
main unit or remote controller.
Cut off the power supply after
cancelling the TEST MODE.

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