Read Sony CMT-PX333 / HCD-PX333 Service Manual online
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
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
• 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
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.
“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
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
Click on the first or last page to see other CMT-PX333 / HCD-PX333 service manuals if exist.