Sharp AQUOS LC-60C6400U Service Manual download pdf (Page 43)

LC-52/60/70LE640U,C6400U (1st Edition)

5 – 10

6. Special features

* STANDBY CAUSE (Page 1/28)

Display of a cause (code) of the last standby

The cause of the last standby is recorded in EEPROM whenever possible.

Checking this code will be useful in finding a problem when you repair the troubled set.

* EEP SAVE (Page 28/28)

Storage of EEP adjustment value

* EEP RECOVER (Page 28/28)

Retrieval of EEP adjustment value from storage area

7. Writing the microprocessor software

7.1. Writing the main microprocessor software and monitor microprocessor software

(Main PWB: QPWBXF733WJN2)

8. Signal adjustment

8.1. LCD section adjustment [LCD module adjustment]

Adjustment item Adjustment conditions Adjustment procedure

1 Writing the main micropro-

cessor software and moni-

tor microprocessor software

Checker process

Checking the file version

Checking the USB memory

1) Using the checker, connect the specified writing tool to the SC8452 (TL8461 -

TL8475).

2) Using the checker, connect the USB memory to the J9502 (TL9503, TL9506 -

9508).

3) Apply the specified voltage to the PWB and boot it up with the tool connected.

4) Send the software writing start command via RS232C.

5) Send the writing status check command and confirm the response of OK. Then

turn off the power.

CAUTION: When the USB memory is not inserted or reading error occurs, nothing

is written.

Adjustment item Adjustment conditions Adjustment procedure

1 Opposite bias adjustment

(LCD module adjustment

item)

Adjustment in the center

position of the panel

1) Enter the process mode using the process adjustment remote control.

2) Select [VCOM ADJ] using the Channel / keys on the remote control.

3) Press the Enter key to check that the pattern for adjustment is displayed.

4) Make adjustment so that the flicker located in the center of the screen is mini-

mized using the Volume +/- keys on the remote control.

5) If the optimum condition is obtained in step 4, press the Enter key to turn off the

pattern.

CAUTION: * Make adjustment with no ANT signal (since the brightness is changed

by the active backlight).

[Adjustment position]

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Sharp AQUOS LC-60C6400U Service Manual Page 43

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