DV-L80S/W
[OFFSET ADJUSTMENT PROCEDURE]
Notes:1) When replacing the IC401 (IX1690GE) and IC507 (SNT1G08C), readjustment is required.
2) Adjustment must be made at an ordinary temperature.
If temperature is high immediately after reflow or if IC temperature has risen immediately after continuous operation,
adjustment must not be made.
(Adjustment spec)-30mV - +10mV
(Inspection specification) -30mV - +20mV
(Adding temperature drift after adjustment)
From (2)
OSD display
"F0" key input (Keep pressing the "Return" and "Vol_up" keys for about 3 second.)
F00000000 00000000
The "1" key input.
DYNAMIC TEST
30000000 00000000
The "MENU" key input.
FOCUS
FOCUS offset adjustment mode
000000** 000000**
Connect the L side of the voltmeter to CN302 (2 pin) and the H side to CN302 (4 pin).
FOCUS
With the cross key "'" or """ set the output voltage to the range from -30mV to +10mV.000000** 000000++
The ++ part is changed every
The "RETURN" key input.time of the key input.
TRACK, offset adjustment mode
TRACK Connect the L side of the voltmeter to CN302 (3 pin) and the H side to CN302 (1 pin).
000000** 000000++With the cross key "'" or """ set the output voltage to the range from -30mV to +10mV.
The ++ part is changed every
time of the key input.
Make sure that the spindle motor stops.
Press the "RETURN" key.
ADJUST COMPLETEEnd of adjustment
00**00** 00000000
The investigated result is displayed in the ++ part.
The displayed contents are from the left "Focus offset adjustment value", "Track offset adjustment value".
[ROM RENEWAL MODE]
1. Connect the DVD main unit and the computer as shown on the right. And then start-up the software for rewriting.
2. Turn on the power while the play key and the pause key of the DVD main unit are kept pressed at the same time. (Keep pressing
about 3 second.)
The red LED flickers 5 - 6 times with the 0.5 second cycle and then the green LED flickers with 0.1 second cycle.
3. According to the computer display, data transfer prompt is issued by inputting OY� and
pressing ENTER key, and when the rewriting starts normally,
Personal computer
The LED in green lights on from flickering.(DOS)
4. When the rewriting is completed normally,
The green LED lights on.Fixture for the ROM renewalDVD itself
Connect to the video input
5. After completing the rewriting and checking the display of No. 4 shown above,terminal.
Connect the Ored� audio cable to jig.
always press the OSTOP� key. After that turn off the POWER.
6. Treatment in case of rewriting error
1 The red LED flickers with 0.1 second cycle (When the stop key is pressed it
return to the condition of O2� so write again.)
2 The red/green LED flickers by turns (When the stop key is pressed it becomes
the condition of O5� so write again from O1�.)
17 |
ACEC
SHARP
