CD-C421H / C411H
TEST MODE
Y Setting the test mode
Any one of test mode can be set by pressing several keys as follows.
<REC. PAUSE> + <CD> + <POWER> TEST: CD operation test
Y TEST mode
Function N CD test mode
Setting of TEST mode
Indication of CD TST mode (Fig. 11-1)
IL is not performed.
OPEN/CLOSE operation is manual operation.
The pickup can be moved by using the () or ( ) key.
<MEMORY><MEMORY><MEMORY><STOP>
LASER ONTracking on the spot.Tracking on the spot.STOP
SERVO OFF PLAYSERVO ON PLAY
<PLAY> key input TOC. IL is performed, and the ordinary PLAY is performed.Press <STOP> key.Stop
If the following key is pressed during PLAY, it is possible
to specify directly any Track No.
<Disc Number 1> key: Track 4
<Disc Number 2> key: Track 9
<Disc Number 3> key: Track 15
Note:
Only in STOP state it is possible to slide the pickup with the ) or ( ) key. (
VOL. --- Last memory
BAL. --- CENTER
R.GEQ. --- FLAT123
X-BAS --- OFF
Canceling method - POWER OFF
Figure 11-1
CD SECTION
Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary
to readjust it.
Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted.
Y Automatic adjustment item
1. Focus offset (Fig. 11-2)
2. Tracking offset (Fig. 11-3)
3. E/F balance (tracking error balance) (Fig. 11-4)
4. RF level AGC function (HF level: constant)
5. RF level automatic follow-up of the tracking gain
This automatic adjustment is performed each time a disc is changed. Therefore,
each disc is played back using the optimal settings.
Enlarged
10ms 0.1sView
0.50 V
0.50 V
IC1 20 FE
IC1 20 FE
FOCUS
OFF-SET
ADJUST
10ms
0.1s0.50 V
0.50 VIC1 7 TETRACKING
TRACKINGOFF-SETIC1 7 TE
OFF-SETADJUST
ADJUST11
22
Figure 11-2Figure 11-3
200 msTRACKING/
1V/diVERROR
IC 1 15BARANCE
1ADJUST
TO
200 ms
1V/diV
IC 1 7
2
TE
Figure 11-4
� 11 �
ACEC
