Sony MXD-D5C Service Manual page 8

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 optical pick-up label. 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 x (CD), x (MD) and
[ AMS
2. Press the
l L
[ AMS
3. Turn the
l L
[ AMS
4. Turn the l L
[ AMS
5. Turn the
l L
6. The display becomes "Ref=@@@.@" (@ is an arbitrary number) and the numbers which can be changed will blink.
7. Input the IOP value written on the optical pick-up label.
To select the number : Turn the
To select the digit : Press the
[YES]
8. When the button is pressed, the display becomes "Measu=@@@.@" (@ is an arbitrary number).
9. As the adjustment results are recorded for the 6 value. Leave it as it is and press the
10. "Complete!" will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become "Iop
Write (C05)".
11. Press the I/ button to display "<5> MD Test".
1
12. To turn the power OFF, turn the
Display Procedure:
1. Press the x (CD), x (MD) and
[ AMS
l L
2. Press the
[ AMS
3. Turn the l L
[ AMS
4. Turn the l L
[ AMS
l L
5. Turn the
6. "@@.@/##.#" is displayed and the recorded contents are displayed.
@@.@ : indicates the IOP value on the optical pick-up label.
##.# : indicates the IOP value after adjustment
[ AMS
7. To end, press the
l
8. Press the I/ button to display "<5> MD Test".
1
9. To turn the power OFF, turn the
8
[YES]
buttons at the same time.
]
(MD) knob and (MD) button to display " <0> To Normal".
x
]
(MD) knob and when " <5> MD Test" is displayed, press the
]
(MD) knob to display "[Service]", and press the
]
(MD) knob to display "Iop Write" (C05), and press the
[ AMS ]
(MD) knob.
l L
[ AMS ]
(MD) knob.
l L
[ AMS ]
(MD) knob and "<8> Initial" displayed, press the
l L
[YES]
buttons at the same time.
]
(MD) knob and x (MD) button to display " <0> To Normal".
]
(MD) knob and when " <5> MD Test" is displayed, press the
]
(MD) knob to display "[Service]", and press the
]
(MD) knob to display "Iop Read" (C26).
] [MENU/NO]
(MD) knob or
L
[ AMS ]
l L (MD) knob and "<8> Initial" displayed, press the
[
l
[YES]
button.
[YES]
button.
[YES]
button.
[
l
[YES]
button.
button to display "Iop Read" (C26).
AMS ]
(MD) knob.
L
[ AMS ]
(MD) knob.
l L
AMS ]
L (MD) knob.
[ AMS ]
l L (MD) knob.