Sharp Aquous 4T-B70CJ1U, Service Manual, Page: 22 / 63

4T-B70CJ1 TROUBLE SHOOTING 4 - 20
(MEMO)
When cannot read the white balance adjustment value, set the
average value by the same procedure ad when replacing the LCD
panel.
(When replacing the LCD panel)
1) After replacing the LCD panel, set the following average value in the 3/7 [WB ADJ]page.
2) Aftersetting,changethe"ADJDATASTORE"toONandpresstheENTERkeyontheremotecontrolinordertosetaflagindicatingthe
completed / incomplete WB adjustment which is heldinside.
ITEM 60CJ1U 70CJ1U 80CJ1U
IN POINT LOW 40 40 40
IN POINT HIGH 229 229 229
R LEVEL LOW 586 641 596
G LEVEL LOW 584 619 625
B LEVEL LOW 593 668 739
R LEVEL HIGH 3427 3388 3193
G LEVEL HIGH 3436 3356 3356
B LEVEL HIGH 3580 3640 3607
R LEVEL MAX 3915 3828 3588
G LEVEL MAX 3926 3792 3772
B LEVEL MAX 4080 4080 4054
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VCOM ADJUSTMENT
When replacing the T-CON unit, perform the VCOM adjustment.
1) Enter service mode key and go to 5/7 [PANEL]Page.
2)
Press “Enter” key (at VCOMADJ)
3)
Adjust the flicker effect by pressing “VOL +/-“ of RCkey.
4)
Press “Enter” key after get the bestvalue.
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PANEL SIZE
1) Enter the adjustment process mode [ PAGE 2/13 (INIT)]
2) Point the cursor to [PanelSetting]
3) Select Panel Setting and press
[ENTER] key 60inch :60_SDP_UHD
70inch : 70_SDP_UHD
80inch :80_SDP_UHD
02/7 [INIT]
FACTORY INIT US
PANEL SETTING xx_SDP_UHD
PUBLIC MODE OFF
OPERATION ACUTIME 0008H 56M
RESET OFF