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Model
CMT-PX333 HCD-PX333
Pages
110
Size
14 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-px333-hcd-px333.pdf
Date

Sony CMT-PX333 / HCD-PX333 Service Manual ▷ View online

31
HCD-PX333
MC 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
?
/1
button to turn the power on.
2. Press three buttons of
[VOLUME  ]
[REC MODE]
, and
x
(MD) simultaneously.
3. The set is reset, and displays “See you”, then becomes standby status.
AMP TEST
Procedure:
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – ,  M > TUNING +
,and  
M > 
(MD) simultaneously.
3. Each buttons are pressed, it changes display as follows.
Button
Display
x
 (CD)
7[TESTMIN]
REC MODE
8[TESTMID]
x
 (MD)
9[TESTMAX]
4. Press the 
[VOLUME +]
 button, the display switches “VOLUME 21” to “VOLUME MAX”. And the display returns to the original
display after a few second.
5. Press the 
[VOLUME -]
 button, the display switches “VOLUME 21” to “VOLUME MIN”. And the display returns to the original
display after a few second.
6. To release from this mode, press the
?
/1
button to turn the power off and cold reset.
VERSION DISPLAY
Procedure:
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – ,  M > TUNING +
, and 
[TUNER/BAND]
 simultaneously.
3. Enter the version display mode and STR version is shown in the upper position, the distination is shown in the lower position
4. Each time the
x
(MD) button is pressed, it changes display STR version 
→ CD version → MD version → STR version → ...
5. To release from this mode, press the
?
/1
button to turn the power off.
LCD AND LED TEST
Procedure:
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – ,  M > TUNING +
, and
x
(MD) simultaneously.
3. Liquid crystal display and LEDs are all turned on.
4. Each time the
x
(MD) button is pressed, it changes display all turned on 
→ all turned off → pattern 1 → pattern 2 → all turned on → ...
5. Each time the
x
(CD) button is pressed, it changes LED indication all turned on 
→ all turned off →
 “?/1” 
→ 
REC
 
→ 
“N”
 (MD)
→ 
“X” 
(MD)
 → 
“N”
 (CD)
 → 
“X”
 (CD)
 → all turned on → ...
6. To release from this mode, press the
?
/1
button to turn the power off.
SECTION 4
TEST  MODE
Note 1:
About “R”
As this unit has only a few buttons, some operations require the use of remote commander (RM-S55EN/provided with unit: 1-476-664-21)
buttons. These operations are indicated as “R” in this manual.
Example:
MENU/NO “R”
...Press the 
[MENU/NO]
 button of the remote commander.
Note 2:
Incorrect operations may be performed if the MD test mode is not entered properly.
In this case, press the ?
/1
button to turn the power off, and retry to enter the MD test mode.
KEY TEST
Procedure:
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – ,  M > TUNING +
, and  
.m  (MD) 
simultaneously.
3. Enter the key test mode and display “KEY00”.
4. Each time a button is pressed, “KEY” value increases. However, once a button is pressed, it is no longer taken into account.
5. To release from this mode, press three buttons in the same manner as step 2 , or disconnect the power cord.
PATTERN 1
PATTERN 2
CD
DBFB
OVER
TRACK
TOC
             SYNC 
IT HCMS
    2    MONO
                             PRESET
SHUFFLE
c
DAILY
c
REC  2
1
MD 
OVER
DISC
TEXT
S.F EDIT 
 NORM
REC
L-SYNC
HIGH
LP  4
MONO
TUNED
MANUAL   AUTO
                  PROGRAM   REPEAT
        
1  3 SLEEP
32
HCD-PX333
MD  SECITON
1. PRECAUTIONS FOR USE OF TEST MODE
• As operations related to loading 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  Z (MD) 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  Z (MD) button after pressing the
MENU/NO “R”
button and the rotation of disc is stopped.
1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC 2MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory (Iop Compare)
• Write current Iop value in read nonvolatile memory using microprocessor (Iop NV Save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the 
[REC/REC IT]
 button.
2. SETTING THE TEST  MODE
The following are two methods of entering the test mode.
Procedure 1: 1. Press the
?
/1
button to turn the power on.
2. Press the 
[FUNCTION]
 button to set the MD function.
3. Press three buttons of
M > 
 TUNING + , 
[REC MODE]
, and  
. m (MD)
 simultaneously.
When the test mode is set, “[Check]” will be displayed. Pressing the
.
 “R”
or
  >
 “R”
button between the following
three groups; ···Tt [Check] Tt [Service] Tt [Develop] Tt ···.
Procedure 2: 1. Press the
?
/1
button to turn the power on.
2. Press the 
[FUNCTION]
 button to set the MD function.
3. Press three buttons of
x  
(CD) , 
[REC MODE]
, and  
M > 
 (MD) simultaneously.
When the test mode is set, “AUTO CHECK” (C01) will be displayed. By setting the test mode using this method, only the
“Check” group of procedure1 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
MENU/NO “R”
button immediately to exit the [Develop] group.
3. RELEASING THE TEST  MODE
Press the 
[REPEAT STEREO/MONO]
 button to display “Initialize”, then release the MD test mode.
4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the
.
 
“R”
 >
 
“R”
,
ENTER/YES “R”
and
MENU/NO “R”
.
The functions of these buttons are as follows.
Function name
Function
 .
 “R”
, >
 “R”
buttons
Changes parameters and modes
 
ENTER/YES “R”
button
Proceeds onto the next step. Finalizes input
 
MENU/NO “R”
button
Returns to previous step. Stops operations
33
HCD-PX333
5. SELECTING THE TEST  MODE
There are 26 types of test modes as shown below. The groups can be switched by pressing the
.
 “R”
or
>
 “R”
button. After selecting
the group to be used, press the
ENTER/YES “R”
button. After setting a certain group, pressing the
 “R”
or
>
 “R”
button switches modes
shown below.
Refer to “Group” in the table for details can be selected.
All items used for servicing can be treated using group [Service]. So be carefully not to enter other groups by mistake.
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
MENU/NO “R”
button immediately to exit the [Develop] group.
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
For details of “Err Display”, refer to “Self-Diagnosis Function” on page 2.
• If a different mode has been selected by mistake, press the
MENU/NO “R”
button to release that mode.
• Modes with (
×) 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
MENU/NO “R”
button to release the mode immediately.
Display
AUTO CHECK
Err Display
TEMP ADJUST
LDPWR ADJUST
Iop Write
Iop NV Save
EF MO ADJUST
EF CD ADJUST
FBIAS ADJUST
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
CPLAY2MODE
CREC 2MODE
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
Auto gain output level adjustment (MO)
Auto gain output level 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
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
C36
C37
Mark
Group
Check
Service
34
HCD-PX333
Function
 N X MD
x (MD)
“R”
“R”
CD SYNC HIGH
PLAY MODE
CD SYNC HIGH (*1)
MD Z
REPEAT STEREO/MONO
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)
Press the
.
 “R”
or
>
 “R”
button to display “CPLAY2MODE” (C36).
(3)
Press the
ENTER/YES “R”
button to change the display to “CPLAY2MID”.
(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
ENTER/YES “R”
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
MENU/NO “R”
button. The display will change to “CPLAY2MODE” (C36).
(2)
Press the Z (MD) button and take out the disc.
Note:
 The playback start addresses for IN, MID, and OUT are as follows.
IN
: 40h cluster
MID
: 300h cluster
OUT
: 700h cluster
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)
Press the
.
 “R”
or 
 >
 “R”
button to display “CREC 2MODE” (C37).
(3)
Press the
ENTER/YES “R”
button to change the display to “CREC 2MID”.
(4)
When access completes, the display changes to “CREC 2(
” and “ 
REC 
” lights up.
Note:
 The numbers “ ” displayed shows you the recording position addresses.
2. Changing the parts to be recorded
(1)
When the
ENTER/YES “R”
button is pressed during continuous recording, the display changes as below.
When pressed another time, the parts to be recorded can be changed. “ 
REC
 ” goes off.
(2)
When access completes, the display changes to “CREC 2(
” and “ 
REC
 ” lights up.
Note:
 The numbers “ ” displayed shows you the recording position addresses.
3. Ending the continuous recording mode
(1)
Press the
MENU/NO “R”
button. The display changes to “CREC 2MODE” (C37) and “
 REC
 
 
”  goes off.
(2)
Press the Z (MD) button and take out the disc.
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:
 The
MENU/NO “R”
button 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.
6. FUNCTIONS OF OTHER BUTTONS
“CPLAY2MID” t “CPLAY2OUT” t “CPLAY2IN”  
“CREC 2MID” t “CREC 2OUT” t “CREC 2IN”  
Contents
Sets continuous playback when this is pressed in the STOP state. When this is pressed during continu-
ous playback, playback position moves.
Stops continuous playback and continuous recording
The sled moves to the outer circumference only when this is pressed
The sled moves to the inner circumference only when this is pressed
Switches between the pit and groove modes when pressed
Switches the spindle servo mode (CLV S y CLV A)
Switches the displayed contents each time the button is pressed
Ejects the disc
Releases the test mode
*1) Press the 
[CD SYNC NORMAL]
 
button to light up “IT” indicator, then press the 
[CD SYNC HIGH]
 
button.
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