Electronic Instructions - Sharp 190TW8FB Service Manual

18 190TW8 TV
Electronic instruction
The purpose of alignments is for the input signal and color
temperature adjustment.
White balance adjusted flow
Environment
Equipment Requirements:
Astro VG-848 or VG-859
Minolta CA-210
Fluke 54200
White balance adjusted flow:
ENTER FACOTRY MODE (Annex 1)
Input VGA source timing: (Annex 2) pattern: 5 Disc
Auto Calibration
Input VGA source timing: (Annex 3) pattern: 100% white
Input AV(CVBS) source PAL(BG) or NTSC(M) pattern: 100% white (Annex 3)
White balance adjust (Annex 4)
Check white spec (xy)
Input VGA source timing: (Annex 3) pattern: 25% white
Input AV(CVBS) source PAL(BG) or NTSC(M) pattern: 25% white (Annex 3)
White balance adjust (Annex 5)
Check white spec(xy)
Change color temp
Save adjusted values Change color temperature (Warm/Standard/Cold)
Change input source VGA/AV(CVBS) (Annex 7)
Change input source
Input SCART or YPbPr source timing: PAL(BG)/480p pattern: Gray Scale (Annex 8)
Auto Calibration
Check Brightness spec (Annex 9)
End process

Electronic Instructions

Out spec
In spec
Out spec
In spec
(Annex 6)
Out spec (Annex 10)
In spec
Annex 1
1. Factory mode command:
Remote Key: MENU + 5588
2. Make sure user mode at default values
Annex 2:
1. Example
E9P-PT: 1440*900@60
2. Pattern may be changed for different model.
Annex 3:
1. There are two input source must be done white balance
adjustment
Example: E9P-PT
A. VGA: 1440*900@60
B. AV: PAL(BG)
2. VGA adjusted value for: VGA(and DVI)
3. AV(CVBS) adjusted value for: ATV, CVBS, S-Video, SCART-
RGB and HDMI
Annex 4(White point)
1. Set R/G/B offset value to 128
2. Adjust R/G/B gain value to find the saturation point
3. Follow "White Balance Adjust" rule to adjust white balance
Annex 5(Dark point)
1. Keep offset max. Value at128
2. Follow "White Balance Adjust" rule to adjust white balance
Annex 6
1. Save adjusted value
2. Change color temp to Warm/Standard/Cold
3. Adjust RG, GG, BG, RO, GO, BO
4. Adjust CT values only to meet white spec
Annex 7
1. Change input to VGA/AV(CVBS)
Annex 8
1. Change input source to SCART-RGB to do auto Calibration
2. Timing:
SCART: PAL(BG)
3. Pattern may be changed for different mode
Gray Scale Pattern
5. Disc Pattern