Test Mode; Error Code Table - Denon DN-D4500 Service Manual

CUE button FLT all light check performed while button pressed.
BEND- button FLT all off check performed while button pressed.
Servo automatic adjustment read-out value
Adjustment Item
1 Focus Gain
2 Focus Balance
3 Focus Offset
4 Tracking Gain
5 Tracking Balance
6 Tracking Offset

2. TEST MODE

Function
(Character-display)
Press button A1, then press the PLAY/PAUSE button to start the test.
The disc is ejected, loaded and played repeatedly.
Heat Run Test
A1 button
For discs containing 20 tracks or less, all the tracks are played.
H/R1 Normal
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.
Press button A2, then press the PLAY/PAUSE button to start the test.
Chucking Test
A2 button The disc load/eject, servo input and TOC reading operations are performed repeatedly.
H/R2 Tray
If an error occurs, the error code is displayed and the stop mode is set.
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.
EXIT/
3. Reading and writing SDRAM of servo DSP are checked.
System check
RELOOP
4. Communications between the system µcom and servo DSP are checked.
Sys. Check
button
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.
3. Error Code Table (Appears only at Heat Run and Chucking Test function)
Error Code
Automatic Adjustment Error
E1 00 Unable to detect disk
E1 01 Unable to adjust tracking offset
E1 03 Unable to adjust focus rough gain
E1 04 Unable to actuate focus
E1 05 Unable to actuate tracking
E1 06 Unable to adjust tracking rough 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
Adjustment Value indication at character portions.
144 ~ 2288
-70 ~ +70
-005 ~ +005
392 ~ 3136
-025 ~ +025
-005 ~ +005
Contents
Contents
9
DN-D4500