HCD-J300
8. AUTOMATIC SELF-DIAGNOSIS FUNCTION
This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up.
To perform this test mode, the laser power must first be checked.
Perform AUTO CHECK after the laser power check and Iop Compare.
Procedure:
1. Press the. R or> R button to display OAUTO CHECK (C01).
2. Press theENTER/YES R button. If LDPWR is displayed, it means that the laser power check has not been performed.
In this case, perform the laser power check and Iop Compare, and then repeat from enter the MD test mode.
3. If a disc is in the mechanical deck, it will be ejected forcibly.
DISC IN will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.
4. If a disc is loaded at step 3, the check will start automatically.
5. When XX CHECK is displayed, the item corresponding to XX will be performed.
When 06 CHECK completes, the disc loaded at step 3 will be ejected. DISC IN will be displa.yed. Load the check disc (TDYS-1)
6. When the disc is loaded in step 5, the check will automatically be resumed from 07 CHECK.
7. After completing to 0C CHECK of test item 12, check OK or NG will be displayed. If all items are OK, CHK ALL OK will be
displayed. If any item is NG, it will be displayed as NG:xxxx.
When CHK ALL OK is displayed, it means that the optical pick-up is normal. Check the operations of other parts (spindle motor, sled
motor, etc.).
When displayed as NG:xxxx, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.
9. INFORMATION
Display the software version.
Procedure:
1. Press the. R or> R button to display INFORMATION (C31).
2. Press theENTER/YES R button.
3. The software version will be displayed.
4. Press theMENU/NO R button to end this mode.
10. IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD
BOARD) ARE REPLACED
The IOP value labeled on the optical pick-up can be recorded in the non-volatile memorate the needy. By recording the value, it will elimin
to look at the value on the label of the optical pick-up. When replacing the optical picD (MD)k-up or non-volatile memory (IC195 of B
board), record the IOP value on the optical pick-up according to the following procedure.
Record 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 x (MD), m (TAPE) and [SYNCHRO REC] simultaneously to enter the MD test mode and display [Check].
4. Press the. R� or> R button to display [Service].
5. Press theENTER/YES R button to display AUTO CHECK, and press the> R button to display Iop Write.
6. Press theENTER/YES R button.
7. The display becomes Ref= @@@.@ (@ is an arbitrary number) and the numbers which can be changed will blink.
8. Input the IOP value written on the optical pick-up.
To select the number: . Press R orthe> R button.
To select the digit: Pr[REC MODE]ess the button.
9. When theENTER/YES R button is pressed, the display becomes Measu=@@@.@ (@ is an arbitrary number).
10. As the adjustment results are recorded for the step 9 value. LeaENTER/YES Rve it as it is and press thebutton.
11. Complete! will be displayed momentarily. The value will be recorded in the non-vola Ioptile memory and the display will become
Write.
12. Press the [REPEAT STEREO/MONO] button twice to complete. Initialize will be displayed and release the MD test mode.
Display Precedure:
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 (MD), m (TAPE) and [SYNCHRO REC] simultaneously to enter the MD test mode and display [Check].
4. Press the. R or> R button to display [Service].
5. Press theENTER/YES R button to display AUTO CHECK, and press the> R button to display Iop Read.
6. Press theENTER/YES R button.
7. @@.@/##.# is displayed and the recorded contents are displayed.
@@.@ : Indicates the Iop value labeled on the pick-up.
##.#: Indicates the Iop value after adjustment.
8. Press the [REPEAT STEREO/MONO] button twice to complete. Initialize will be displayed and release the MD test mode.
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ACEC
