CD-C811W/821W
TEST MODE
Y Setting the test mode
Any one of test mode can be set by pressing several keys as follows.
<REC. PAUSE> + <DISC. SKIP> + <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.
0.1s
Y Automatic adjustment item0.50 V
IC1 20 FE
1. Focus offset (Fig. 11-2)
FOCUS
2. Tracking offset (Fig. 11-3)
OFF-SET
3. E/F balance (tracking error balance) (Fig. 11-4)ADJUST
4. RF level AGC function (HF level: constant) 0.1s
0.50 V
5. RF level automatic follow-up of the tracking gainIC1 7 TE TRACKING
OFF-SET
1ADJUST
This automatic adjustment is performed each time a disc is
2
changed. Therefore, each disc is played back using the
Figure 11-2
optimal settings.
Enlarged
10ms
0.50 VView
IC1 20 FE
CD ERROR CODE DESCRIPTION
When a malfunction occurs during CD operation, an error
code will be displayed to identify the function in CD operation
10ms
which failed.0.50 V
IC1 7 TETRACKING
OFF-SETErrorState Code
1ADJUST
0001Cannot detect pickup-IN SW
2
0101Tray close operation error
Figure 11-3
0105Tray close operation error
200 msTRACKING/
0201Tray open operation error1V/diVERROR
IC 1 15BARANCE
0203Tray open operation error1TOADJUST
0304Disc skip operation error
0305Disc skip operation error200 ms
1V/diV
0307Disc skip operation errorIC 1 7
2
TE
Figure 11-4
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