Sharp VN-EZ1U Service Manual page 10

5-2-2. Method of selecting VALID/INVALID of the battery lid switch
For disassembly and operation, set the switch of the battery lid at VALID.
1) The initial screen of the test mode is displayed.
2) Press the 4 key to display EEPROM SET screen.
3) Select Address 1 FD with 4 or ) key, and set FF as the data with A or v key.
4) Press the MENU key, and it will return to the initial screen of TEST MODE. Then turn off the power to complete the setting.
Since the battery lid switch becomes invalid, it can be disassembled for inspection and repair.
[Note]: After the inspection and repair are completed, be sure to return the data of Address 1 FD to 00 (except FF), and turn the battery
lid switch to VALID.
5-2-3. Method of adjusting the LCD display
For adjustment, remove TFT PWB from LCD unit.
a) Horizontal position adjustment
1) The initial screen of the test mode is displayed.
Select Address 1 FE with
4orb
key, and set the data at 04 with
the wh ite and black bars at both ends of the color bar displayed
+To POWER PWB
I I
L-l-,
v
JTo POWER PWB
4) After adjustment, set FF as the data of Address 1 FE with A or v key.
5) Press the MENU key, and it will return to the initial screen of TEST MODE. Then turn off the power to complete the setting.
b) Common bias adjustment
[Note]: Apply this after aging of approx. 5 minutes. The back light set by the user is regarded as standard.
1) The initial screen of the test mode is displayed.
2) Press the 4 key to display EEPROM SET screen.
3) Select Address 1 FE with 4 or ) key, and set 00 as the data with A or v key.
4) Bring the lens unit into the shooting state (EE display).
5) Select Address 1 F8 with 4 or ) key.
6) Shoot the gray scale, and vary the data with A or v key to find such a point as the black sinks to the deepest.
7) After adjustment, select Address 1 FE with 4 or ) key, and set FF as the data with A or v key.
8) Press the MENU key, and it will return to the initial screen of TEST MODE. Then turn off the power to complete the setting.
c) White balance adjustment
[Note]: Apply this after aging of approx. 5 minutes. The back light set by the user is regarded as standard.
1) The initial screen of the test mode is displayed.
2) Press the 4 key to display EEPROM SET screen.
3) Select Address 1 FE with 4 or ) key, and set 01 as the data with A or v key.
(White 40% pattern is displayed.)
4) Bring the sensor unit of the color thermosensor into contact with the screen of
the LCD monitor, and measure the color temperature (M) and.compensation
value (CC).
[Note]: To prevent the LCD monitor screen from being injured at this time,
don't press the sensor unit of the color thermometer or rub it.
To gain the color temperature of 7600 +_ 200K and the compensation value of 50 +_ 2, select Address 1 F5 or 1 F6 with 4 or ) key, and
adjust the data with A or v key.
[Note]: Take the measurement 2 or 3 times to reduce the error.
Select the dark place to prevent an excess light from entering the sensor unit of the color thermometer.
First adjust the color temperature into the standard range, and adjust the compensation value (CC).
5-3