Read Sony CMT-CP500MD / HCD-CP500MD Service Manual online
21
HCD-CP500MD
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 1MODE)
• 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 z
• 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 z
MD
button.
2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure : 1. Press the
Procedure : 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
ENTER/START
,
>
, and z
REC
(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 ···.
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 twice 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
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