Panasonic GPH5D Troubleshooting Manual

Also see for TH-50PHD5: Operating instructions Operating instructions

Contents

Panasonic GPH5D Troubleshooting Manual Manual pdf 90 page image

91625i Panel White BalanceEquipment required: HDTV (625i) grayscale pattern Generator, Color AnalyzerPanel Settings; Picture = Normal, White Balance = Cool, Aspect Ratio = 16:9Pattern Display:Figure 75Step 1 Find the area of Low light closest to 10 cd/m2 using the colorsensor.Step 2 Access the Sub Brightness setting and Adjust Sub bright level ofthis area to exactly 10 cd/m2.Step 3- Access the G cut off setting and Set G cut off to " 80 ".Step 4- Access the B and R cutoff settings and adjust B and R cut offadjustments so the color temperature matches the settings in Table 4.Table 6Color Temp. X YCool (High) 0.272 0.290Normal (Mid) 0.288 0.296Warm (Low) 0.313 0.329Step 5- If the Sub Brightness has changed, re-adjust it to set Low light to10 cd/m2.Step 6- Find the 75% white area using the color sensor.Step 7- Access the G Drive setting and set G Drive to " D8 ".Step 8- Access the B and R Drive settings and adjust B and R Drive to setthe color temperature as shown in table 6.Step 9- Repeat item (4 to 7) to set both Low light and High light.Step 10- Increase the level of R, G and B Drive to the largest level of "FC".Step11- Re-adjust Low light level again.Step 12- Change white balance to "Normal" and repeat procedures (3 to11) for Cool mode.Step 13- Change white balance to "Warm" and repeat procedures (3 to11) for Cool mode.Step 14- Change color temperature to "Cool" and Reset Sub Bright valueto “30”.

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