Sony HCD-MD555, Service Manual

Page: 37 / 124

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SECTION 5
TEST MODE
PRECAUTIONS FOR USE OF TEST MODE
•
Loading is performed regardless of the test mode operation. Therefore, be sure to check that the disc has stopped rotating before inserting
or removing the disc.
The disc does not stop rotating during continuous play, continuous record, and other modes even if you press the MD
§
, so the disc will
be ejected while it is rotating.
Therefore, always press the MENU/NO button first, and then after the disc has stopped completely press the MD
§ button.
Modes and Button Operations in Which Recording Laser Emits Light
•
Continuous recording mode (CREC MODE)
•
Laser power check mode (LDPOWER CHECK)
•
Laser power adjustment mode (LDPOWER ADJUST)
•
Traverse (MO) check (EF MO CHECK)
•
Traverse (MO) adjustment (EF MO ADJUST)
•
When the REC button is pressed
SETTING THE TEST MODE
There are two ways of entering the test mode.
Method 1: Turn on the power and select the MD function. Press the three buttons simultaneously, i.e., the ENTER/YES , NAME EDIT
, and MD3 buttons to activate the test mode.
“[Check]” appears, indicating that the test mode is activated. You can select the four test groups sequentially in order by
rotating MULTI JOG :
N n
Check
N n
Adjust
N n
Service
N n
Develop
N n
......
Method 2: Turn on the power and select the MD function. Press the three buttons simultaneously, i.e., the ENTER/YES , NAME EDIT
, and MD5 buttons to activate the test mode.
“TEMP CHECK” appears, indicating that the test mode is activated. When the test mode is activated using this method, the
contents of the “Check” group only that is described in the above Method 1 can be executed.
EXITING THE TEST MODE
Press the REPEAT button. If the disc has already been loaded, the disc is ejected to exit the test mode and return to the normal operation.
BASIC OPERATIONS OF THE TEST MODE
All operations of the test mode are performed using the MULTI JOG dial, ENTER/YES button, and MENU/NO button.
The functions of these buttons and dial are as follows.
Function Name Function
AMS dial Changes parameters and operating modes.
YES button Proceeds to the next step. Finalizes input.
MENU/NO button Returns to previous step. Stops operations.
How to Insert and Remove the Disc during the Test Mode
1. Slot 1 only can be used during the test mode.
2. Press the MD
§
button to load a disc.
3. Press the MD
§
button to eject a disc also.