Panasonic PT-56LCX70 Service Manual page 56

PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
c. Electrical Picture Position Adjustment
(H/V)
1) Adjust OPT HPOS so that "C" is symmetrical to "D." by
pressing the VOLUME UP/DOWN key on the remote to
change the value.
2) Press the CH UP/DOWN key on the remote to return to
the OTHER menu.
3) Select OPT VPOS by pressing CH UP/DOWN key on
the remote.
4) Adjust OPT VPOS so that "A" is symmetrical to "B" by
pressing the VOLUME UP/DOWN key on the remote to
change the value.
"E"
"I"
O P T
"C"
"K"
"G"
"C"
width "c"
"A"
"B"
5) Confirm that all "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L" are each almost symmetrical.
6) If not, adjust the "OPT HPOS" and "OPT VPOS" (repeat
steps 1-6) until the picture is in the correct position.
7) After changing the value, the adjustment data will be
written to the EEPROM.
"A"
H P O S 0 0 2 4
"B"
<MMD-CHK 2/8>
"D"
width "c" = width "d"
width "d"
width "a"
width "a" = width "b"
width "b"
"F"
"J"
"D"
"L"
"H"
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