Zenith P60W38 Series Service Manual page 17

VR8501
VS ADJ
VA: 1, 2
VS: 8, 9, 10
GND: 3, 4, 5, 6
Fig.2) Connection diagram of Vs, Va power adjustment for
5. RGB Auto Cut-Off & MIN Bias /
MAX Bias adjustment
(1) Input full white (255 Gray) signal from pattern generator
into RGB.
(2) Press POWER ON KEY on R/C for adjustment and select
Auto Cut-Off .
(3) Press Vol. + KEY and operate TO SET.
(4) Original full white screen will be presented about 3~5
seconds later. And if there is a mark of OK OSD, then auto
cut-off adjustment will be completed.
(5) After adjustment, press
and exit adjustment mode.
O Data value, which adjusted in the board, is valid until the VSC
board is dissuaded and must be protected.
O For the protection of data, Micom does not permit any more
adjustment.
O
In case of re-adjustment, operated first value setting.
1) Press both Volume +key of local key and instart key of
Service Remote for adjustment.
2) Few seconds later, Temperture OSD display, then Press
instop key of R/C for adjustment.
6. Adjustment of White Balance
6-1. Required Equipment
Color Analyzer ( CA-100 or similar product )
ADJUSTMENT INSTRUCTIONS
VR8401
VA ADJ
measuring
å
ENTER Key to save adjustment
6-2. Connecting diagram of equipment for
measuring(Auto adjustment)
R-H 216
G-H 216
B-H 216
High Light Adjustment
216 Gray Level
105~115Cd/§‡
RS-232C
Fig.3) Connection diagram of auto adjustment
6-3. Adjustment of White Balance(Manual
adjustment)
O
Operate the zero-calibration of the CA-100, then stick sensor
to PDP module surface when you adjust..
O
For manual adjustment, it is also possible by the following
sequence.
(1)Select white pattern of heat-run mode by pressing power
on key on remote control for adjustment then operate heat
run more than 15 minutes.
(2)Supply 216 gray level, 50% size length and breadth signal
to RGB input.
(3)To adjust High Light, stick sensor to 216 gray level (or
105~115 Cd/m2) pattern, press ADJ key on Service
Remote and D /E on Service Remote to select R-H or G-
H, press VOL +.- key and adjust it until color coordination
matches below.
! 0.003 , Y; 0.290 ! 0.003
X: 0.280
color temperature: 10,000°K ! 500°K
(4)Exit adjustment mode using A Key.
6-4. Auto adjustment Map(RS-232C)
MODEL
Type
Baud Rate
COMMUNI- 115200
Index
CATION
Protocol R-H
Setting G-H
- 17 -
CVBS signal input
Window Pattern
MSPG-2100 or
MSTG-5200
communication
RF-03LA
RS-232
Data bit Stop bit
8 1
Cmd 1 Cmd 2 Data Min value
j a 180(B4)
j b 170(AA)
Parity
None
Max value
254(FE)
250(FA)