Panasonic LIFI PT-50LCZ7, Service Manual

Page: 60 / 100

8 Measurements and Adjustments
8.1. Adjustment Procedures 1
WHEN INSTALLING THE OPT/TV UNIT
INTO THE UNIT AT THE USER’S
LOCATION:
The following ADJUSTMENT of the OPT/TV 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 OPT/TV Unit.
b. Mechanical Picture Position Adjustment (Tilt)
c. Electrical Picture Position Adjustment (H/V)
Adjustment Preparation:
1. Install all parts except the Front Cover Unit and the Front
Door.
Optical Unit
<Front View>
Fig. M1-1
Note:
When the support shield (2 pcs) and the rear cover are
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 support
shield (2 pcs) and the rear cover assembled!
2. Turn the power on.
To release this mode:
1. After changing the value of OPT HPOS/OPT VPOS, the
adjustment data will be written to the EEPROM.
2. Press 1 key to return to the Main Menu or turn off the power.
3. Install the Front Cover Unit with the screws and the Front
Door.
<Main Menu>
SRVICE
ADJUST
WB-ADJ
OPTION
RM-SET
SRV-TOOL
MMD-CHK
Peaks SOFT
Peaks EEP
LSI DATA
GenX SOFT
GenX EEP
GenX ROMCOR
GC5P EEP
FPGA
FACTDATA
0.480
0.16
0.00.5b
0.15.60
0.00.00
0.00.00
20
0.3a
12FF-FFFF
<MMD-CHK 1/8>
M M D - C H K
F R E Q
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
9 : P I C T U R E M E N U S E L E C T
V O L : A D J U S T
V I V I D
O N
3. To enter Service Adjust Mode, hold the VOLUME DOWN
button on the unit and press the RECALL key three times
in power on condition.
4. Press the 2 key to go to MMD-CHK 1/8 screen.
5. Press the 3 key to go to "Picture Position Screen."
6. Perform the adjustments.
<MMD-CHK 2/8> <MMD-CHK 3/8>
3 key
4 key
(Picture Position
for Horizontal)
(Picture Position
for Vertical)
OPT HPOS 0024 OPT VPOS 001F
PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7
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