Sony HCD-MD595 Service Manual page 12

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Note 1:About "R"
As this unit has only a few buttons, some operations require the use of remote commander (RM-S5EN/provided with unit: 1-476-086-21)
buttons. These operations are indicated as "R" in this manual.
Example:
MENU/NO "R"
Note 2:Incorrect operations may be performed if the MD test mode is not entered properly.
In this case, press the
IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD
(MD) BOARD) ARE REPLACED
The IOP value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need
to look at the value on the label of the optical pick-up. When replacing the optical pick-up or non-volatile memory (IC195 of BD (MD)
board), record the IOP value on the optical pick-up according to the following procedure.
Record Procedure:
1. Press the
button to turn the power on.
I/
1
[FUNCTION]
2. Press the
button to set the MD function.
3. Press three buttons of
M >
4. Press the
. m
or
"R"
5. Press the
ENTER/YES "R"
6. Press the
ENTER/YES "R"
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 the
To select the digit
: Press the
9. When the
ENTER/YES "R"
10. As the adjustment results are recorded for the step 9 value. Leave it as it is and press the
11. "Complete!" will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become "Iop
Write".
[REPEAT]
12. Press the
button to complete. "Initialize" will be displayed and release the MD test mode.
Display Precedure:
1. Press the
button to turn the power on.
I/
1
[FUNCTION]
2. Press the
button to set the MD function.
3. Press three buttons of
M >
4. Press the
. m
or
"R"
5. Press the
ENTER/YES "R"
6. Press the
ENTER/YES "R"
7. "@@.@/##.#" is displayed and the recorded contents are displayed.
@@.@ : Indicates the Iop value labeled on the pick-up.
##.#
: Indicates the Iop value after adjustment.
[REPEAT]
8. Press the
button to complete. "Initialize" will be displayed and release the MD test mode.
WHEN MEMORY NG IS DISPLAYED
If the nonvolatile memory data is abnormal, "E001 MEMORY NG" will be displayed so that the MD deck does not continue operations.
In this case, set the test mode promptly and perform the following procedure.
Procedure:
1. Enter the MD test mode (refer to page 32).
2. Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be
displayed "INIT EEP?".
[MD ]
3. Press the
x
(MD) and
4. Press the
or
. m "R"
5. Press the
ENTER/YES "R"
message to select the MD test mode will be displayed.
12
[MENU/NO]
... Press the
button of the remote commander.
button to turn the power off, and retry to enter the MD test mode.
I/1
[PLAY MODE]
,
, and
M >
button to display "[Service]".
"R"
button to display "AUTO CHECK", and press the
button.
. m
or
M >
"R"
[REC MODE]
button.
button is pressed, the display becomes "Measu=@@@.@" (@ is an arbitrary number).
[PLAY MODE]
,
, and
M >
button to display "Service".
"R"
button to display "AUTO CHECK", and press the
button.
Z
buttons simultaneously.
button to display "MDM-7X2A".
M > "R"
button. If the nonvolatile memory is successfully overwritten, the normal MD test mode will be set and a
[MD ]
Z
simultaneously to enter the MD test mode and display "[Check]".
M >
button.
"R"
[MD ]
Z
simultaneously to enter the MD test mode and display "Check".
M >
button to display "Iop Write".
"R"
button.
ENTER/YES "R"
button to display "Iop Read".
"R"

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