JVC HR-XVC24SUC Service Manual page 43

4.4.3 Initialization method
Please initialize according to the following procedures in the following case:
• Just after you upgrade the firmware.
• After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or
not.
• After servicing, before returning the main body to a customer. (Initialized unit should be returned to a customer.)
(1) Set the unit to the test mode.
(2) Press PAUSE key of the remote controller or transmit the code "43-6F" from the Jig RCU.
(3) When initialization is completed, the PLAY ( ). mark is indicated in the FDP.
4.4.4 All-initialization method
Please perform all-initialization according to the following procedures in the following case:
• Just after you exchange the pick-up.
• Just after you exchange the spindle motor.
• Just after you exchange the traverse mechanism base.
NOTE:
Please perform all-initialization when you exchange the parts above and also when you remove the parts above.
(1) Set the unit to the test mode.
(2) Press the REVERSE SKIP/INDEX ( ) key of the remote controller for more than 2 seconds.
(3) When initialization is completed, the PLAY ( ). mark is indicated in the FDP.
NOTE:
After all-initialization, be sure to perform optimization adjustment of Front End parameter.
4.4.5 Optimization adjustment of Front End parameter
Adjustment to optimize Front End parameter must be performed in each mechanism assembly of this model for high-speed start-
ing.Please perform optimization according to the following procedures just after all-initialization is completed and when FDP shows
anything except "0" (For example when FDP shows "1", "2", and "3") at test mode.
(1) Set the unit to the test mode.
(2) The FDP shows the region number first.
(3) Press the DISPLAY key of the remote controller and check that FDP shows the number.
(4) Press the DISPLAY key again to return the region number.
NOTE:
Status of this adjustment can be judged by the number displayed at test mode as follows:
NOTE:
As for a disc used for adjustment,
• Disc should be mounted. ("Mounting" means to display "READ" after the disc is inserted and then display the disc informa-
tion.) Disc need not be played.
• If you do not have test disc either VT-501 (DVD) or CTS-1000 (CD-DA), use a commercial disc (for DVD, dual-layer soft-
ware) after seeing and checking that the disc is neither curved nor foreseen that it may shake at the time of playback.If you
use a disc with bad features, starting time may be slow or disc may not be read.
1-20 (No.YD052)
DVD adjustment CD adjustment
Adjusted Adjusted
Not adjusted Adjusted
Adjusted Not adjusted
Not adjusted Not adjusted
FDP at test mode
0
1
2
3