Adjustment Procedure; Special Features; Signal Adjustment - Sharp LC-80LE642U Service Manual

LC-80LE642U

6. Special features

* STANDBY CAUSE (Page 1/29)
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 29/29)
Storage of EEP adjustment value
* EEP RECOVER (Page 29/29)
Retrieval of EEP adjustment value from storage area
7. Data Writing of Microprocessor Software
7.1. Main/Monitor Software Writing
(Main Unit: DKEYMF953FM06)
Adjustment item
1 Main / Monitor Software
Writing
<to Main Unit>

8. Signal adjustment

8.1. LCD section adjustment [LCD module adjustment]
Adjustment item
1 COMB-BIAS Adjustment
(LCD module adjustment
item)
8.2. Image adjustment
8.2.1 Device check
Conform Device is set for SHARP LCD US, before start the Adjustment.
Confirm Signal Generator setting (Set to regulation level)
• Composite signal:
• 33K component signal:
• Analog RGB:
Adjustment conditions
Checker process
Confirm the file version
Confirm the USB memory
Adjustment conditions
Adjustment at Center 1) Shift to Adjustment mode by Special R/C code after set assemble.
2) Select [VCOM ADJ] by ↑/↓ button on R/C-Gun.
Position of Module
3) Press Enter button on R/C-Gun and confirm to display adjustment pattern.
4) Adjust flicker condition on display center position to minimize by Vol +/- button on
5) When the flicker condition become to be the best, press Enter button on R/C-Gun
CAUTION: * Adjust without ANT no signal
[Adjustment position]
0.714Vp-p ± 0.02Vp-p (Pedestal to white)
0.7Vp-p ± 0.02Vp-p (Pedestal to white)
Y level:
0.7Vp-p ± 0.02Vp-p
PB/PR level:
0.7Vp-p ± 0.02Vp-p (Pedestal to white)
RGB level:

Adjustment procedure

1) Connect Writing JIG to SC3101 (TL3114~3128) by Checker.
2) Connect USB Memory to J9502 (TL9524~9527) by Checker.
3) Add power to Unit, then Start BOOT by JIG.
4) Send software writing command via RS232C.
5) Send writing confirmation command and confirm the OK reply, then Power turn
off.
CAUTION: Data does not write without USB memory or reading error happen.
Adjustment procedure
R/C Gun.
for Picture off.
(Avoid the luminance change by active-back light)
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