Category: Audio System Repair and Service
Contents of this article
- How to enter to service mode
- Test mode
- Error code check
- Total running time
- Error codes and description
DENON DN-S1200
SERVICE MODE
HOW TO ENTER TO SERVICE MODE Turn on the power while pressing both B button and the PARAMETER knob to set the service mode of DN-S1000. Turn on the power while pressing both PARAMETER knob of CD1 and "LOOP B" button of CD2 to set the service mode of DN-D6000.
The various check items can be selected with the PARAMETER knob, the various test items can be selected with the A, B, SAMP and BEND buttons. Press either the PARAMETER knob or PLAY/PAUSE button to start the check or test and display the result.
To eject the disc, press the DISC EJECT button.
To cancel the service mode, turn the power off.
SERVICE MODE FUNCTIONS
01 : Micom Version check (Version No.)
A PARAMETER knob is pushed and a version is checked.
1. System µcom version No. : "Sys_XXXX"
2. DSP soft version No. : "Dsp_XXXX"
3. RC µcom version No. : "Rc_XXXX" (DN-D6000 only)
1. System µcom version No. : "Sys_XXXX"
2. DSP soft version No. : "Dsp_XXXX"
3. RC µcom version No. : "Rc_XXXX" (DN-D6000 only)
02 : "TR_Signal" "HF_Signal"
Press the PARAMETER knob to turn the tracking servo off. When the tracking servo is off, press the PARAMETER knob to turn the tracking servo on.
Press the PARAMETER knob to turn the tracking servo off. When the tracking servo is off, press the PARAMETER knob to turn the tracking servo on.
03 Automatic Servo Adjustment call (Servo Data)
Press the PARAMETER knob to start automatic servo adjustment. When the adjustment is completed, the adjustment data is displayed. The data can be selected by turning the scratch disc.
1. Disc check, CD/CD-RW
2. Focus gain data
3. Focus balance data
4. Focus offset data
5. Tracking gain data
6. Tracking balance data
7. Tracking offset data
8. S curve maximum
9. S curve minimum
Press the PARAMETER knob to start automatic servo adjustment. When the adjustment is completed, the adjustment data is displayed. The data can be selected by turning the scratch disc.
1. Disc check, CD/CD-RW
2. Focus gain data
3. Focus balance data
4. Focus offset data
5. Tracking gain data
6. Tracking balance data
7. Tracking offset data
8. S curve maximum
9. S curve minimum
04 : "Fo_Gain"Select the focus gain. Default : 7. Select the data with the scratch disc, then press the PARAMETER knob to enter it. The higher the value, the higher the gain, while the lower the value, the lower the gain.
* Do not change this without instruction from engineering.
* Do not change this without instruction from engineering.
05: "Tr_Gain"
Select the tracking gain. Default : 2. The operation is the same as for the Fo Gain.
06: "Block_Error"
The block error rate is displayed.
07: "PU._Clean"
When the PARAMETER knob is pressed, the pickup moves towards the outer edge of the disc. The pickup lens becomes visible through the slit in the CD mech anism plate. The lens can be cleaned using a cotton swab, etc. (Perform this operation with the top panel/cover removed and the disc ejected.)
When the PARAMETER knob is pressed, the pickup moves towards the outer edge of the disc. The pickup lens becomes visible through the slit in the CD mech anism plate. The lens can be cleaned using a cotton swab, etc. (Perform this operation with the top panel/cover removed and the disc ejected.)
08: Error Code Check (Error Data)
During normal operation, the error code for the error that occurred is displayed. Turn the disc to select up to 10 sets of error data stored in the memory. (See the error code table for a description of the error codes.)
Press the PARAMETER knob to set the error data clear mode. ("Err Clear?" is displayed.) Press the PARAMETER knob again to clear all the error data.
During normal operation, the error code for the error that occurred is displayed. Turn the disc to select up to 10 sets of error data stored in the memory. (See the error code table for a description of the error codes.)
Press the PARAMETER knob to set the error data clear mode. ("Err Clear?" is displayed.) Press the PARAMETER knob again to clear all the error data.
09: Total Running Time (Total Time)
The total operating time of the spindle motor is displayed. A total of 65,535 hours can be counted, in units of hours.
NOTE: If the power is turned off after 59 minutes or less, that hour is not counted.# Press the PARAMETER knob to set the total time clear mode. ("Time Clear?" is displayed.) Press the PARAMETER knob again to clear the total time.
The total operating time of the spindle motor is displayed. A total of 65,535 hours can be counted, in units of hours.
NOTE: If the power is turned off after 59 minutes or less, that hour is not counted.# Press the PARAMETER knob to set the total time clear mode. ("Time Clear?" is displayed.) Press the PARAMETER knob again to clear the total time.
TEST MODE
A button
Heat Run Test
H/R1 Normal
Press button A1, then press the PLAY/PAUSE button to start the test.
The disc is ejected, loaded and played repeatedly.
For discs containing 20 tracks or less, all the tracks are played.
For discs containing 21 tracks or more, only the first and last tracks on the disc are played.
If an error occurs, the error code is displayed and the stop mode is set.
Heat Run Test
H/R1 Normal
Press button A1, then press the PLAY/PAUSE button to start the test.
The disc is ejected, loaded and played repeatedly.
For discs containing 20 tracks or less, all the tracks are played.
For discs containing 21 tracks or more, only the first and last tracks on the disc are played.
If an error occurs, the error code is displayed and the stop mode is set.
A2 button
Chucking Test
H/R2 Tray
Press button A2, then press the PLAY/PAUSE button to start the test.
The disc load/eject, servo input and TOC reading operations are performed repeatedly.
If an error occurs, the error code is displayed and the stop mode is set.
Chucking Test
H/R2 Tray
Press button A2, then press the PLAY/PAUSE button to start the test.
The disc load/eject, servo input and TOC reading operations are performed repeatedly.
If an error occurs, the error code is displayed and the stop mode is set.
SAMP button
System check
Sys. Check
Press button EXIT/RELOOP, then press the PLAY/PAUSE button to start the system check.
Once the check is completed, the results are displayed.
1. The system µcom and DSP communications are checked.
2. Reading and writing SDRAM of DSP are checked.
3. Reading and writing SDRAM of servo DSP are checked.
4. Communications between the system µcom and servo DSP are checked.
5. The CD drive operation is checked. (Inner edge switch detection is performed.)
6. The CD drive operation is checked. (Disc detection is performed.)
Once all the checks are completed, the results are displayed on the character display. The numbers of the checks in items 1 to 6 above that were OK are displayed. If one of the checks was not OK, the number of that item is not displayed.
System check
Sys. Check
Press button EXIT/RELOOP, then press the PLAY/PAUSE button to start the system check.
Once the check is completed, the results are displayed.
1. The system µcom and DSP communications are checked.
2. Reading and writing SDRAM of DSP are checked.
3. Reading and writing SDRAM of servo DSP are checked.
4. Communications between the system µcom and servo DSP are checked.
5. The CD drive operation is checked. (Inner edge switch detection is performed.)
6. The CD drive operation is checked. (Disc detection is performed.)
Once all the checks are completed, the results are displayed on the character display. The numbers of the checks in items 1 to 6 above that were OK are displayed. If one of the checks was not OK, the number of that item is not displayed.
Error Code Table (Appears only at Heat Run and Chucking Test function)
Error Code
|
Contents
|
E1 00
|
Unable to detect disk
|
E1 01
|
Unable to adjust tracking offset
|
E1 03
|
Unable to adjust focus fine gain
|
E1 04
|
Unable to actuate focus
|
E1 05
|
Unable to actuate tracking
|
E1 06
|
Unable to adjust tracking fine gain
|
E2 02
|
Servo down during automatic Adjustment
|
E3 00
|
Unable to read TOC
|
E4 00
|
Unable to close the disc holder in the regular time
|
E4 01
|
Unable to open the disc holder in the regular time
|
E5 00
|
The inner SW dose not turn on
|
E5 01
|
Slider error
|
E5 02
|
The inner SW dose not turn off
|
