LG MT-42PZ40, Руководство по обслуживанию

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3-4. Adjustment Method(SONY)
(1) Va Adjusment
¤
Connect pin 1 of CN209 to (+) jack of D.M.M.
¤Ł
After turning the VR402(Va ADJ), voltage of D.M.M
adjustment as same as Va voltage which on label of
panel right/top.(Deviation : ±0.5V)
(2) Vs Adjustment
¤
Connect pin 8 of CN207 to (+) jack of D.M.M.
¤Ł
After turning the VR401(Vs ADJ), voltage of D.M.M
adjust as same as Vs voltage which indicated on label
of panel right/top.(Deviation : ±0.5V)
(3) -Vy Adjustment
¤
Connect pin 5 of CN208 to (+) jack of D.M.M.
¤Ł
After turning the VR403(-Vy ADJ), voltage of D.M.M
adjust as same as -Vy voltage which indicated on label
of panel right/top.(Deviation : ±0.5V)
(4) Vsetup Adjustment
¤
Connect pin 1 of CN208 to (+) jack of D.M.M.
¤Ł
After turning the VR404(Vsetup ADJ), voltage of D.M.M
adjust as same as Vsetup voltage which indicated on
label of panel right/top.(Deviation : ±0.5V)
[
Refer to Typical Voltage
1. Va : 30 ~ 50V
2. Vs : 170 ~ 185V
3. -Vy : -60 ~ -90V
4. Vsetup : 210 ~ 240V
[
Replace PDP Module or Power Board, adjust certainly Power
PCB Assy Voltage.
4. Adjustment of AUTO RGB
4-1. Outline
AUTO RGB adjustment is the function to set the optimum
black-level and Gain automatically in Analog --> Digital
converter and to correct RGB deviation.
4-2. Required Equipment
PC Pattern Generator
(It can be possible to output 16Gray Scale Pattern and RGB
output level is corrected to 0.7±0.1Vp-p)
4-3. Adjustment Method
(1) It can be possible to RGB input 16Gray Scale Pattern
signal of PC Mode and select RGB.
(2) Press the ADJ Key on R/C to enter adjustment mode and
select 2.W/B and then press the VOL + Key.
(3) Turn the HEATRUN OFF and select AUTO RGB and then
press the VOL + Key.
5. Adjustment of White Balance
5-1. Required Equipment
(1) Color analyzer(CA-100 or same production)
(2) Auto Regulator(Required while auto adjustment, and
possible to communicate with RS-232C)
(3) AV Pattern Generator
5-2. Connection Diagram of Equipment for
Measuring
[
After stop the Micom by pressing IN-START Key on Remote
Control, insert the P102 with automatic adjustment of
connector.
After remove connector, move the Micom by pressing ENTER
Key.
- 11 -
<Fig 1> Connection Diagram of SONY Power Adj. for
Measuring
COLOR
ANALYZER
TYPE; CA-100
CVBS Signal Input
PDP MONITOR
85IRE Full White
85IRE
Full White
MSPG-2100 or
MSTG-5200
<Fig 2> Connection Diagram of Automatic Adjustment