Adc And W/B Adjustment; White Balance Adjust; Adc Adjustment Method; Set Timing And Pattern Of Sources - Dynex DX-40L260A12 Service Manual

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40"LCD TV
7. Adjustment

7.1 ADC and W/B adjustment

ADC adjustment
1. Enter Factory Mode Method
Press RC key 'menu'+'1'+'9'+'9'+'9' or 'menu'+'1'+'9'+'9'+'9'+'ok'.

2. ADC Adjustment Method

First of all: Enter factory mode (same as the above-mentioned).
Second: Select the Item of "Current Source".
Third: Set Timing and Pattern of Source.
Finally: Press the item of "Auto Color" .

3. Set Timing and Pattern of Sources

1. They both need ADC adjust with two sources (YPbPr, VGA).
2. Timing and Pattern Setting: YPbPr:Timing 310 pattern 122

White Balance adjust

preparations:
1、 Connect the control wire: prepare CA210, signal generator (K-8256/Chroma-23291),set it POWER OFF.
Connect CA-210 to the USB interface of PC with USB wire, connect K-8256/Chroma-23291 to the RS-232
interface of PC with RS-232 communication wire。As figure 1 show.
2、 Select ATV CH3 at TV pattern, after the model age for 60 minutes.
3、 Connect the signal wire: connect the signal interface of signal generator to the corresponding interface of the
model to be adjusted. Then set the signal source power on.
4、 Place CA210: direct the camera lens at the 0-cal, press the "0-CAL" on the CA210 appliance, then direct the
camera lens at "MEAS" , make the camera lens close to TV panel.
Press both of buttons
Connect to
PC COM2
VGA: Timing 137
DC 12V
Connect to
Connect to
TV VGA
PC COM2
Figure 1
pattern 147
27
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