Measurements And Adjustments; Adjustment Procedures 1 - Panasonic PT-50LCZ70 Service Manual

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

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
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.
<Front View>
Fig. M1-1
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.
SRVICE Peaks SOFT
ADJUST Peaks EEP
WB-ADJ LSI DATA
OPTION GenX SOFT
RM-SET GenX EEP
SRV-TOOL GenX ROMCOR
MMD-CHK GC5P EEP
FPGA
FACTDATA
<Main Menu>
4. Press the 2 key to go to MMD-CHK 1/8 screen.
M M D - C H K V I V I D
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
<MMD-CHK 1/8>
5. Press the 3 key to go to "Picture Position Screen."
6. Perform the adjustments.
OPT HPOS 0024
<MMD-CHK 2/8>
(Picture Position
for Horizontal)
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.
60
0.480
0.16
0.00.5b
0.15.60
0.00.00
0.00.00
20
0.3a
12FF-FFFF
O N
3 key
OPT VPOS 001F
4 key
<MMD-CHK 3/8>
(Picture Position
for Vertical)