Sony HCD-CP33, Service Manual

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SECTION 5
TEST MODE (MD)
5-1. PRECAUTIONS FOR USE OF TEST MODE
• Use the RM-SJ373 supplied remote control (R).
• 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 MD
Z button after pressing the MENU/NO (R) button and the rotation of disc is stopped.
5-1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the MD REC
z button.
5-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: With the power ON, press the CD x button while pressing the MD x and MD REC z buttons together.
When the test mode is set, “Check” will be displayed. . (R) , > (R) switches between the following four groups;
···
Nn
Check
Nn
Adjust
Nn
Service
Nn
Develop
Nn
···.
Procedure 2: With the power ON, press the CD x button while pressing the MD x and SYNCHRO REC buttons together.
When the test mode is set, “TEMP CHECK” will be displayed. By setting the test mode using this procedure, only the “Check”
group of procedure 1 can be executed.
5-3. EXITING THE TEST MODE
Press the button, ?/1
5-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the . (R) , > (R) , ENTER/YES (R) button, and MENU/NO (R) button.
The functions of these buttons are as follows.
Function name
.
(R)
>
(R)
ENTER/YES (R) button
MENU/NO (R) button
Function
Changes parameters and modes
Proceeds onto the next step. Finalizes input.
Returns to previous step. Stops operations.
[MC Cold Reset]
Clears the MD memory.
Procedure:
1. POWEWR ON. FUNCTION MD.
2. Press CD
x , MD x and REPEAT simultaneously.
[MD SERVICE END]
Ends the service mode and clears the nonvolatile moemory.
Procedure:
1. The service mode is in progress.
2. Press CD
x , MD x and ENTER/START simultaneously.
[MD FLASH UP-DATE]
Writes data in the FLASH ROM from the disk.
Procedure:
1. POWER ON.
2. Press CD
x , MD x and ?/1 simultaneously.