Service manual

(2) Vs adjustment
1) Connect + terminal of D.M.M to Vs pin of P805 and
connect – terminal to GND pin of P805.
2) Adjust VR1 until DVM reads the same as the voltage labled
on the PWB. (Deviation : ±0.5V)
6. Adjustment of White Balance
6-1. Required Equipment
Color analyzer (CA-100 or same product)
6-2. Connection Diagram of Equipment for
Measuring
(Manual Adjustment)
6-3. Adjustment of White Balance
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 SVC remote control for adjustment then
operate HEAT RUN more than 15 minute.
(2) Supply 216Gray, 128Gray, 70Gray Level, 50% size length
and breadth signal to RGB1 input. (Refer to Fig 2,3,4)
(3) W/B adjustment must be adjusted once and follow the
sequence of Low Light --> Middle Light --> High Light and
then save the adjustment value with
o Key.
(4) To adjust Low Light , stick sensor to Gray Level(or 20~25
Cd/m2) Pattern, press ADJ Key on R/C for adjustment and
press v, x on R/C in adjustment mode to select R-L or G-L,
press VOL +, - Key and adjust it until color coordination
becomes as below.
X: 0.290±0.003, Y: 0.300±0.003,
Color temperature: 8, 500°K±500°K
(5) To adjust Middle Light , stick sensor to Gray Level(or 70~75
Cd/m2) Pattern, press ADJ Key on R/C for adjustment and
ADJUSTMENT INSTRUCTIONS
DMM
VR1
VR4
Va voltage
adjustment
variable resistor
P806
GND
GND
Va
NC
Vs
Vs
P805
Vs voltage
adjustment
variable resistor
<Fig 1> Connection Diagram of Power Adjustment for Measuring
R-L 70
G-L 70
R-M 128
G-M 128
R-H 216
G-H 216
Window
MSPG-2100 or
MSTG-5200
COLOR
ANALYZER
TYPE;CA-100
High Light
216 Gray Level
135~140Cd/
RGB Signal Input
PDP MONITOR
<Fig 2> Connection Diagram of Manual Adjustment (High Light)
R-L 70
G-L 70
R-M 128
G-M 128
R-H 216
G-H 216
Window
MSPG-2100 or
MSTG-5200
COLOR
ANALYZER
TYPE;CA-100
Middle Light
128 Gray Level
70~75Cd/
RGB Signal Input
PDP MONITOR
<Fig 3> Connection Diagram of Manual Adjustment (Middle Light)
R-L 70
G-L 70
R-M 128
G-M 128
R-H 216
G-H 216
Window
MSPG-2100 or
MSTG-5200
COLOR
ANALYZER
TYPE;CA-100
Low Light
70 Gray Level
20~25Cd/
RGB Signal Input
PDP MONITOR
<Fig 4> Connection Diagram of Manual Adjustment (Low Light)