Panasonic PT-56LCX66, Service Manual, Page: 47 / 83

9 Measurements and Adjustments
9.1. Adjustment Procedures 1
WHEN INSTALLING THE PROJECTION
UNIT OR THE BASE BODY UNIT INTO
THE UNIT AT THE USER’S LOCATION:
The following ADJUSTMENT of the Projection Unit must be
performed.
a. Focus Adjustment
Note:
The Focus Adjustment is not normally necessary when
reinstalling.
However, the Focus Adjustment should be performed
when replacing the new Projection Unit or new Base Body
Unit.
b. Mechanical Picture Position Adjustment
c. Electrical Picture Position Adjustment
Adjustment Preparation:
1. Install all parts except the Front Cover Unit
Then, remove the Optical Cover by removing the Screw
and 2 latch tabs.
Projection Unit
<Front View>
(With Front Cover Unit and Optical Cover removed)
Optical Cover
Screw
Fig. M1-1
Note:
When the rear cover is disassembled, the screen can be
moved back and forth, which could affect the video display
vertical position. This could also cause the vertical adjust to
be at or near its limit.
Only try the picture position adjustment with the rear cover
assembled!
2. Turn the power on.
3. Press and hold the VOLUME DOWN button on the unit and
the RECALL key on the remote for more than 5 seconds in
power on condition. "WORK MODE" will appear on the
screen.
C - C O R / G A M / W - B A L
P U S H R E C A L L ( V C R )
W O R K M O D E
<Work Mode>
Fig. M1-2
4. Press the VCR key to go to VCR mode, then the RECALL
key on the remote for more than 1 second. "FACTORY
ADJUST" will appear on the screen.
<Factory Adjust mode>
F A C T O R Y A D J U S T 1 / 1
M : 1 . 0 2 0 I : 1 0
V I D E O A D J
S O U N D
F A N
O T H E R
P A R T I A L
D T B O A R D
D E F A U L T S E T
F : 1 1 0 0 0 0 0 0
Fig. M1-3
5. Press the TV key to return to TV mode, then press the CH
UP/DOWN key on the remote to select "OTHER" on menu
and press the OK key. "OTHER" menu will appear.
<Factory Adjust Mode>
(OTHER menu 1/1)
O t h e r 1 / 1
* * * Y M A X 0 0 0 0
O P T H P O S I F 6
O P T V P O S I 0 2
F I L T E R D E T 6 0
L C D E E P S T A T E 7 1 F D
C E C T H E A T E R L I N K O N
G C : 0 6 0 3 0 3 0 1
Fig. M1-4
6. Press the VOLUME UP/DOWN key on the remote.
(Focus screen will appear.)
<Focus Screen>
O P T H P O S I F 6
O P T V P O S I 0 2
To release this mode:
1. After completing the ADJUSTMENT, press the CH UP/
DOWN key on the remote to return to the OTHER menu.
2. Press RECALL key twice to return to Work Mode, and press
and hold the VOLUME DOWN button on the unit and the
RECALL key on the remote for more than 5 seconds.
Or, turn off the power.
3. Install the Optical Cover with the Screw and the Front Cover
Unit.
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
47