Sony HCD-ZX50MD Service Manual ▷ View online
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2. Correction of Errors
[When due to tape deck]
Stopped while tape aging operation with the ”” displayed state.
[When due to tape deck]
Stopped while tape aging operation with the ”” displayed state.
[When due to CD]
Press x , DISPLAY , and CD Z together to display the error code.
Press x , DISPLAY , and CD Z together to display the error code.
• Display of number of mechanism errors
Move the stick to the left and right to display “CDM Err Count *”.
* is the number of mechanism errors.
* is the number of mechanism errors.
• Display of mechanism error
Move the stick to the left and right to display “CDM E**D##$$%%!!”.
Move the stick up and down to send the error number.
Move the stick up and down to send the error number.
**
: Error number 00 is the latest error.
The larger the number, the older will the error be. (Maximum 9)
##
: FF is the mechanism error after mechanism initialization ends.
$$
: Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 1 or 2, it indicates mechanism error in tray loading between the stocker position and behind it.
%% : Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error in the up/down movements of the stocker.
!!
: Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error during switching of the clamper and mode.
• No DISC error display
Move the stick left and right to display “No Disc Count *”.
* means the number of no discs.
* means the number of no discs.
• No DISC error display
Move the stick left and right to display “No E**D##$$%%00”.
Move the stick up and down to send the error number.
Move the stick up and down to send the error number.
**
: Error number 01 is the latest error.
The larger the number, the older will the error be. (Maximum 3)
##
: 01 .... FOCUS ERROR
02 .... GFS ERROR
03 .... SET UP ERROR
03 .... SET UP ERROR
$$
: 00 .... Judged as No DISC without attempting chucking retry
02 .... Judged as No DISC after chucking retry
%% : Judged with the first digit of the error number in the state where No DISC has been determined.
(Don’t care the second digit.)
1 ...... STOP
2 ...... SET UP
3 ...... TOC Read
4 ...... Access
5 ...... PLAY
6 ...... PAUSE
7 ...... Manual Search (during PLAY)
8 ...... Manual Search (during PAUSE)
1 ...... STOP
2 ...... SET UP
3 ...... TOC Read
4 ...... Access
5 ...... PLAY
6 ...... PAUSE
7 ...... Manual Search (during PLAY)
8 ...... Manual Search (during PAUSE)
3. Ending the Aging Mode
1) End the Aging Mode with the power off.
2) To reset the CD error history, be sure to perform cold reset.
1) End the Aging Mode with the power off.
2) To reset the CD error history, be sure to perform cold reset.
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Function name
CLEAR button (When REC IT is lit)
PUSH ENTER button
Mulit stick (Left or Right)
MD REC MODE button (When REC IT is lit)
NAME EDIT/CHARACTER button
Function
Cancel or move to top hierarchy
Set
Select
Set submenu
Switching of button operations (REC IT lights up/goes off)
4-1. PRECAUTIONS FOR USE OF TEST MODE
• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc
is stopped before setting and removing it.
Even if the MD Z button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not
stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the CLEAR button while REC IT is lit, and press the MD Z button while REC IT is off after the disc stops rotating.
Even if the MD Z button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not
stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the CLEAR button while REC IT is lit, and press the MD Z button while REC IT is off after the disc stops rotating.
4-1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC 1MODE) (C35)
• Laser power check mode (LDPWR CHECK) (C13)
• Laser power adjustment mode (LDPWR ADJUS) (C04)
• Iop check (Iop Compare) (C27)
• Iop value nonvolatile writing (Iop NV Save) (C06)
• Traverse (MO) check (EF MO CHECK) (C14)
• Traverse (MO) adjustment (EF MO ADJUS) (C07)
• When pressing the MD REC button.
• Laser power check mode (LDPWR CHECK) (C13)
• Laser power adjustment mode (LDPWR ADJUS) (C04)
• Iop check (Iop Compare) (C27)
• Iop value nonvolatile writing (Iop NV Save) (C06)
• Traverse (MO) check (EF MO CHECK) (C14)
• Traverse (MO) adjustment (EF MO ADJUS) (C07)
• When pressing the MD REC button.
4-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press V-GROOVE .
Procedure 1: In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press V-GROOVE .
When the test mode is set, “[Check]” will be displayed. Move the multi-stick to switch between the following three groups;
··· y Check y Service y Develop y ···.
··· y Check y Service y Develop y ···.
Procedure 2: In the power ON state, set the function to MD, and while pressing the DISPLAY and x buttons together, press the NAME
EDIT/CHARACTER button.
When the test mode is set, “AUTO CHECK” will be displayed. By setting the test mode using this method, only the “Check”
group of method 1 can be executed.
When the test mode is set, “AUTO CHECK” will be displayed. By setting the test mode using this method, only the “Check”
group of method 1 can be executed.
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
4-3. EXITING THE TEST MODE
Press the MD Z button while REC IT is off. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.
4-4. BASIC OPERATIONS OF THE TEST MODE
Operate using the multi-stick, PUSH ENTER button, MD REC MODE button, CLEAR button, NAME EDIT/CHARACTER button.
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Display
AUTO CHECK
Err Display
TEMP ADJUS
LDPWR ADJUS
Iop Write
Iop NV Save
EF MO ADJUS
EF CD ADJUS
FBIAS ADJUS
AG Set (MO)
AG Set (CD)
TEMP CHECK
LDPWR CHECK
EF MO CHECK
EF CD CHECK
FBIAS CHECK
ScurveCHECK
VERIFYMODE
DETRK CHECK
0920 CHECK
Iop Read
Iop Compare
ADJ CLEAR
INFORMATION
CPLAY1MODE
CREC 1MODE
Details
Automatic self-diagnosis
Error history display, clear
Temperature compensation offset adjustment
Laser power adjustment
Iop data writing
Writes current Iop value in read nonvolatile memory using microprocessor
Traverse (MO) adjustment
Traverse (CD) adjustment
Focus bias adjustment
Focus, tracking gain adjustment (MO)
Focus, tracking gain adjustment (CD)
Temperature compensation offset check
Laser power check
Traverse (MO) check
Traverse (CD) check
Focus bias check
S-curve check
Nonvolatile memory check
Detrack check
Most circumference check
Iop data display
Comparison with initial Iop value written in nonvolatile memory
Initialization of nonvolatile memory for adjustment values
Display of microprocessor version, etc.
Continuous playback mode
Continuous recording mode
4-5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by moving the multi-stick. After selecting the group to be used,
press the PUSH ENTER button. After setting a certain group, move the multi-stick to switche between these modes.
Refer to “Group” in the table for details selected.
All adjustments and checks during servicing can be performed in the test mode in the Service group.
press the PUSH ENTER button. After setting a certain group, move the multi-stick to switche between these modes.
Refer to “Group” in the table for details selected.
All adjustments and checks during servicing can be performed in the test mode in the Service group.
• For details of each adjustment mode, refer to “6. Electrical Adjustments”.
For details of “Err Display”, refer to “Self-Diagnosis Function” on page 3.
• If a different mode has been selected by mistake, press the CLEAR button while REC IT is lit, to exit that mode.
• Modes with (
• Modes with (
X
) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-
tally, press the CLEAR button while REC IT is lit, to exit the mode immediately.
No.
C01
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C25
C26
C27
C28
C31
C34
C35
Mark
Group
Check
Service
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
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4-5-1. Operating the Continuous Playback Mode
1. Entering the continuous playback mode
1
Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.)
2
Move the multi-stick and display “CPLAY1MODE”(C34).
3
Press the PUSH ENTER button to change the display to “CPLAY1MID”.
4
When access completes, the display changes to “C =
AD =
”.
Note : The numbers “ ” displayed show you error rates and ADER.
2. Changing the parts to be played back
1
Press the PUSH ENTER button during continuous playback to change the display as below.
When pressed another time, the parts to be played back can be moved.
2
When access completes, the display changes to “C =
AD =
”.
Note : The numbers “ ” displayed show you error rates and ADER.
3. Ending the continuous playback mode
1
Press the CLEAR button while REC IT is lit. The display will change to “CPLAY1MODE”(C34).
2
To remove the disc, press the MD Z button while REC IT is off.
Note : The playback start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID 300h cluster
OUT 700h cluster
OUT 700h cluster
4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check.)
1. Entering the continuous recording mode
1
Set a recordable disc in the unit.
2
Move the multi-stick and display “CREC 1MODE” (C35).
3
Press the PUSH ENTER button to change the display to “CREC 1MID”.
4
When access completes, the display changes to “CREC1 (
)” and
MD REC
lights up.
Note : The numbers “ ” displayed shows you the recording position addresses.
2. Changing the parts to be recorded
1
When the PUSH ENTER button is pressed during continuous recording, the display changes as below.
When pressed another time, the parts to be recorded can be changed.
MD REC
goes off.
2
When access completes, the display changes to “CREC 1(
)” and
MD REC
lights up.
Note : The numbers “ ” displayed shows you the recording position addresses.
3. Ending the continuous recording mode
1
Press the CLEAR button while REC IT is lit. The display changes to “CREC 1MODE” (C35 ) and
MD REC
goes off.
2
To remove the disc, press the MD Z button while REC IT is off.
Note 1 : The recording start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID
300h cluster
OUT
700h cluster
Note 2 : Press the CLEAR button while REC IT is lit can be used to stop recording anytime.
Note 3 : Do not perform continuous recording for long periods of time above 5 minutes.
Note 4 : During continuous recording, be careful not to apply vibration.
Note 3 : Do not perform continuous recording for long periods of time above 5 minutes.
Note 4 : During continuous recording, be careful not to apply vibration.
“CPLAY1MID” t “CPLAY1OUT” t “CPLAY1IN”
“CREC 1MID” t “CREC 1OUT” t “CREC 1IN”
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