PANASONIC PT50LC13
Instrukcja Serwisowa

b. Focus Adjustment
1) Confirm that each of the pixels in the nine portions is clearly visible.

c. Electrical Picture Position Adjustment
1) Adjust OPT HPOSI 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 VPOSI by pressing CH UP/DOWN key on the remote. 4) Adjust OPT VPOSI so that �A� is symmetrical to �B� by pressing the VOLUME UP/DOWN key on the remote to change the value.
"E" "I" "A" "F" "J"
OPT OPT HPOSI VPOSI 16 FE

OPT OPT

HPOSI VPOSI

16 FE

<Focus Screen>

2) If not, loosen the Knob on the Projection Lens until the Knob can be moved.

"C"

"D"

Knob Tighten Loosen
"K" "G" "B" <Focus Screen> "H" "L"

Up

"C"

"D" width "c" = width "d" width "c" "A" width "d"

Down

width "a" width "a" = width "b" width "b" "B"

<Front View>
Fig. 4-7 3) Adjust the Knob by moving up or down so that each of the pixels in the nine portions is clearly visible to obtain the best focus. 4) Tighten the Knob. Note: Focus Adjustment is not normally necessary. Perform this adjustment only if necessary.

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 HPOSI� and �OPT VPOSI� (repeat steps 1-6) until the picture is in the correct position. 7) Press the CH UP/DOWN key on the remote to return to the OTHER menu.