Sanyo PDP-63XR7HB, Service Manual

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3. Adjusting instruction
3.1 Unit adjustments
Connect all the boards according the wiring diagram, then power on and check if the display is
normal.
The method for using factory menu
The first press the “source” button, then press the “2580“ buttons enter factory menu. Press the
“SLEEP” button to select the adjustment page menu, press
▲ and ▼ to select item, press ◄ and
► to adjust the value, press “MENU” button to exit the factory menu. If the unit does not turn off,
you can press the “SLEEP” button to enter factory menu again. Turn off the unit to exit the
factory menu.
3.2 EEPROM initialization
Enter page one of the factory menu, select the EEPROM INITIALIZE to ON, turn off the unit
then turn on again.
Note: it needs a little long time to display the LOGO after turn on again.
3.3 White balance adjustment
The 16 level gray-scale signal (DVI:TIMING978 PATTAN921, HDMI:TIMING853, PATTERN992)
sends to DVI/HDMI channel from VG-848/VG-849, enter the user menu and set color to 0, then
enter the factory menu white balance adjustment page. Select the normal color temperature
item, fixed GGAIN to be 128, adjust B, RGIAN to let the third color coordinate on the right be
(280, 290); fixed the GOFFSET to be 128H, adjust B, ROFFSET to let the third color coordinate
on the left be (280,290) at 5 nits.
Select the cool color temperature, adjust the color coordinate be (270, 283)
Select the warm color temperature, adjust the color coordinate be (300, 320)
After adjustment, switch to AV, VGA and YPbPr and have a check. If there is some deviation in
some channel, please adjust it independently.
Note: after adjust the white balance in HDMI, it will store the data to other channels.
4 Performance check
4.1 TV function
Connect RF-TV terminal to the central signal source and enter the setting menu, set the
country category, then enter the search menu
→ auto search, , check if there is station skipping.
Check the manual search, fine turning, the output of speaker and earphone and picture. Open
the PIP and POP modes, connect the earphone and check the display and sound.
4.2 AV/S-video input terminal
Input AV/S signal, check if the picture and sound is normal. Open the PIP and POP modes,
connect the earphone and check the display and sound.
4.3 YPbPr /YCbCr terminal
Input the YUV signal (VG-848 signal generator), separate input YUV format signal of table 1,
check if the image and sound is normal. If the image is deflection of the H-field, select auto
sync correction of the SCREEN menu. If the image is slight disturb, adjust the FINE TUNE
correction of the SCREEN menu. Open the PIP mode, connect the earphone, and check if the
image and sound is normal.