Service manual

12
HCD-NEZ30
CD ERROR HISTORY
When this mode is entered, optical pick-up error code is displayed
with the 8-character format on the fluorescent indicator tube.
Procedure:
1. Set the FUNCTION to CD.
2. While pressing the [DSGX] button, press the CD u button
and turn the [VOLUME] knob in the counter-clock wise.
3. CD error history is displayed on the liquid crystal display.
The first digit from the left indicates:
The first digit from the left indicates which mode the error history
is. In the optical pick-up error code mode, “D” is displayed on the
liquid crystal display.
The second digit from the left indicates:
(Error history No. display)
The second digit from the left indicates which order the error history
is. “1” indicates the latest error history, and each time the number
increases by one, the error history goes back to one-previous error.
The third and 4th digit from the left indicates:
(Error status display)
The third and 4th digit from the left indicates which error status is
indicated.
Display Status
01 Not focused (TOC read without a disc)
02 GFS NG (TOC read with a disc chucked)
03 Start operation time-over
04 Defocused continuously (Defocused during TOC reading)
05 Q code not entered for specified time
06 Tracking not turned ON
07 Blank disc (Blank disc TOC read)
The 5th and 6th digit from the left indicates:
(Error step display)
The 5th and 6th digit from the left indicates which processing when
a trouble occurred
Display Contents
01 Power OFF in progress
02 Power ON in progress
03 Initialize in progress
04 Oscillation stopping
05 From oscillation stop, oscillation starting
06 Stopping
07 Stop operation is under way
08 Start operation in progress
09 TOC read in progress
0A Search operation is under way
0B Playback operation is under way
0C Pause operation is under way
0D Playback manual search operation is under way
0E Pause manual search operation is under way
The 7th and 8th digit from the left indicates:
The 7th and 8th digit from the left indicates which operation in
progress when a trouble occurred. (Step of each processing of the
5th and 6th digits is indicated)
COLD RESET
The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press the I/1 button to turn the power on.
2. While pressing the x button, press the I/1 button and turn
the [VOLUME] knob in the counter-clock wise.
3. The message “RESET” is displayed and the set is reset.
PANEL TEST
All segments of liquid crystal display are tested, and the version
and released date of the micro computer are displayed.
Procedure:
1. Press the I/1 button to turn the power on.
2. While pressing the [DSGX] button, press the l m button
and turn the [VOLUME] knob in the counter-clock wise.
Then all segments of liquid crystal display are turned on.
3. Press the [DSGX] button, the version and released date of the
micro computer are displayed.
example of display:
4. Press the [TUNER/BAND] button, the model name and
distination are displayed.
example of display:
5. Press the [PLAY MODE/TUNING MODE] button, “KEY 0 0” is
displayed on the liquid crystal display, and key test mode in.
Each time a key is pressed, the numerical value corresponding
to each key is displayed on the liquid crystal display.
6. To exit from this mode, perform the “COLD RESET”.
TUNER STEP CHANGE-OVER (Except UK and East
European models)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Set the FUNCTION to AM, and press the I/1 button to turn
the power off.
2. While depressing the [TUNER/BAND] button, press the I/1 button.
3. The message “9K STEP” or “10K STEP” is displayed on the
liquid crystal display, and thus the channel step is changed
over.
SECTION 4
TEST MODE
1104 V104
Version of micro computer
(In this case, version 104)
released date of micro computer
(In this case, released of November 4)
6NE NA
distination
(In this case, North American model)
model name
(In this case, HCD-NEZXX)
Ver. 1.5