LG 50PF95-ZA / 50PF95-ZJ (CHASSIS:PD75A) Service Manual ▷ View online
- 9 -
10. Adjustment of Component
10-1. Required Equipment
(1) Remote controller for adjustment.
(2) MSPG-925FS Pattern Generator. (Which has 720p/50Hz
(2) MSPG-925FS Pattern Generator. (Which has 720p/50Hz
YPbPr output Pattern shown in Fig.3)
-> Model : 215 / Pattern : 65
-> Model : 215 / Pattern : 65
10-2. Method of Auto Component Color Balance
(1) Input the Component 720p/50Hz 7 Color Bar(MSPG-
925FS model:215, pattern:65) signal into Component.
(2) Set the PSM to Dynamic mode in the Picture menu.
(3) Press IN-START key on R/C for adjustment.
(4) Press the
G
(Vol. +) key to operate the set, then it becomes
automatically.
(5) After downloading complete, the ‘OK’ word appears.
(6) Auto-RGB OK means the adjustment is completed.
(6) Auto-RGB OK means the adjustment is completed.
11. Adjustment of RGB
11-1. Required Equipment
(1) Remote controller for adjustment.
(2) MSPG-925FS Pattern Generator ( Which has XGA
(2) MSPG-925FS Pattern Generator ( Which has XGA
[1024*768] 60Hz 1/2 black & white pattern shown in Fig.4 )
11-2. Method of Auto RGB Color Balance
(1) Input the PC 1024x768 @ 60Hz 1/2 black & white pattern
(MSPG-925FS, Model:3, Pattern:65) into RGB.
(using D-sub to D-sub cable)
(using D-sub to D-sub cable)
(2) Set the PSM to Dynamic mode in the Picture menu.
(3) Press IN-START key on R/C for adjustment.
(4) Press the
G
(Vol. +) key to operate the set, then it becomes
automatically.
(5) After downloading complete, the ‘OK’ word appears.
(6) Auto-RGB OK means the adjustment is completed.
(6) Auto-RGB OK means the adjustment is completed.
12. Adjustment of White Balance
12-1. Required Equipment
(1) Color Analyzer.(CS-100, CA-100+(CH 10), CA-210(CH 10))
* Please adjust CA-210, CA-100+ by CS-1000 before
* Please adjust CA-210, CA-100+ by CS-1000 before
measuring.
W
Color temperature standards according to CSM and Module.
W
White balance adjustment coordinate and color temperature.
* PC(for communication through RS-232C)
-> UART Baud rate : 115200 bps
12-2. Connection Picture of the Measuring
Instrument(On Automatic control)
(1) Inside PATTERN is used when W/B is controlled. Connect
to auto controller or push control R/C IN-START -> Enter
the mode of White-Balance, the pattern will come out.
the mode of White-Balance, the pattern will come out.
12-3. Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked.(illumination is less than 10ux)
(2) Measure and adjust after sticking the Color Analyzer(CA-
100+, CA210) to the side of the module.
(3) Aging time : keep white pattern using inside pattern.
(Fig.3)
(Fig.4)
(Fig.5) Auto AV(CVBS) Color Balance Test Pattern
Full White Pattern
RS-232C Communication
CA-210
Color
ANALYZER
TYPE : CA-210
PLASMA
Remark
11000K
9300K
6500K
Cool
Normal
Warm
CSM
CS-1000
CA-100(CH 10)
CA-210(CH 10)
0.276 ± 0.002
0.283 ± 0.002
0.000
0.276 ± 0.002
0.283 ± 0.002
0.000
0.276
0.283
0.000
x
y
uv
Cool
CS-1000
CA-100(CH 10)
CA-210(CH 10)
0.285 ± 0.002
0.293 ± 0.002
0.000
0.285 ± 0.002
0.293 ± 0.002
0.000
0.285
0.293
0.000
x
y
uv
Medium
CS-1000
CA-100(CH 10)
CA-210(CH 10)
0.313 ± 0.002
0.329 ± 0.002
0.003
0.313 ± 0.002
0.329 ± 0.002
0.003
0.313
0.329
0.003
x
y
uv
Warm
- 10 -
V
Auto adjustment Map(RS-232C)
V
Auto adjustment Map(RS-232C)
- Baud : 115200bps, RS232 Host : PC, Echo : none
13. Adjustment of White Balance
(Manual white Balance)
V
One of R Gain/ G Gain/ B Gain should be kept on 80, and
others are controlled lowering from 80
(1) Press ‘power on’ of the control R/C, set heat run to white
by pressing and heat run over 15 minutes.(Set: RS-232
Host: PC, Baud Rate: 115200bps, Download: Cortez)
Host: PC, Baud Rate: 115200bps, Download: Cortez)
(2) Zero Calibrate CA-100+, and stick the sensor to the center
of PDP module surface when you adjust.
(3) Double click In-start key on Controlling R/C and get in
‘white balance’.
(4) Set test-pattern on and display inside pattern. Control is
carried out on three color temperature, COOL, MEDIUM,
WARM. (Control is carried out three times.)
WARM. (Control is carried out three times.)
(5) When the R/G/B GAIN is 80 on OSD, it is the FULL
DYNAMIC Range of the Module. In order to control white
balance without the saturation of FULL DYNAMIC Range
and DATA, one of R Gain / G Gain / B Gain should be kept
on 80, and other two is controlled lowering from 80.
balance without the saturation of FULL DYNAMIC Range
and DATA, one of R Gain / G Gain / B Gain should be kept
on 80, and other two is controlled lowering from 80.
* Color Temperature: Cool, Medium, Warm
(1) When R GAIN is set to 80
- Control G GAIN and B GAIN by lowering from 80.
(2) When B GAIN is set to 80
- Control R GAIN and G GAIN by lowering from 80.
(3) When G GAIN is set to 80
- Control R GAIN and B GAIN by lowering from 192.
- Control R GAIN and B GAIN by lowering from 192.
One of R Gain / G Gain / B Gain should be kept on 80, and
adjust other two lower than 80.
(When R/G/B GAIN are all 80, it is the FULL DYNAMIC
Range of Module)
adjust other two lower than 80.
(When R/G/B GAIN are all 80, it is the FULL DYNAMIC
Range of Module)
14. Input the Shipping Option Data
1) Push the IN-START key in a Adjust Remocon.
2) Input the Option Number that was specified in the BOM, into
2) Input the Option Number that was specified in the BOM, into
the Shipping area.
3) The work is finished, Push
V
Key.
15. Set Information(Serial No& Model name)
15-1. Setting up ‘Tool OPTION1,2’
(After setting white balance, this is set)
(1) Press ADJ Key in the R/C for adjustment
(2) Insert Option value by a number key
(3) Press the Enter Button
(2) Insert Option value by a number key
(3) Press the Enter Button
15-2. Check the serial number & Model Name
(1) Push the menu button in DTV mode.
- Select the SETUP-> Diagnostics -> To set.
(2) Check the Serial Number.
16. Set factoring condition
(1) This Adjustment is setting factory shipment mode.
(2) Push the IN-STOP key of adjustment remote controller
(2) Push the IN-STOP key of adjustment remote controller
before the factory shipment.
Model
Name
50PF95
Tool
Option1
26950
1977
0
14
2
1
192
Tool
Option2
Area
Option
Option1 Option2 Option3 Option4
ADC adjust
Data Read
Default Write
Enter
Adjust Mode
ADC adjust
ADC Parameter
Digital Data
ADC Parameter
(Average)
Adjustment
Confirmation
Adjust ‘Mode In’
Adjust ‘Mode Off’
NO
Item
Remark
CMD1 CMD2 Data 0
A
A
A
A
A
A
A
D
D
D
D
D
D
D
0
0
0
0
0
0
0
1
2
3
4
9
0
9
Transfer 18Byte
(Input resolution Data)
To check ADC Adjusment
on Assembly line
When transger the ‘Mode
In’, Carry the command.
- Caution : Using ‘power on’ button’ of the control R/C, power in TV.
Type
Baud Rate
115200
Index
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Data bit
8
Cmd1 Cmd2
j
a
j
b
j
c
j
d
j
e
j
f
Stop bit
1
Parity
NONE
PD75A/C
Protocol
Setting
Data
Min Value
00(00)
00(00)
00(00)
00(00)
00(00)
00(00)
Max Value
128(80)
128(80)
128(80)
128(80)
128(80)
128(80)
- 11 -
TROUBLE SHOOTING GUIDE
1. Power Board
1-1. The full flowchart for the voltage output
Start check
Manufacture’s model
passage
1. Check the Power Off
status.
Does the whole
screen appear?
screen appear?
Is it
identical to when the
power is off?
No
Yes
No
Yes
Yes
Yes
Yes
2. Check the Interface
signal status.
Is the Interface
signal operating?
Yes
3. Check the St-by 5V
signal circuit.
Does the
low pressure output
appear?
Does the
St-by 5V signal
appear?
No
No
Yes
4. Check the 5V Monitor
signal circuit.
Does the
5V Monitor signal
appear?
No
7. Check the VSC Vs-ON
signal
Does the
high tension output
appear?
Does the
VSC signal Vs-ON
appear?
No
No
Does the
high tension
output voltage
occur?
When
removing the Y B/D
Module input connector,
does output voltage
drop?
When the
Y, Z B/D Module
input connector, does Power
Board high tension
output voltage drop?
No
No
No
9. Check the Power
Board Output high
tension circuit
Yes
10. Check the Z B/D
Module output circuit
Yes
When
removing the Z B/D
Module input connector,
does output voltage
drop?
11. Check the Y B/D
Module output circuit
Yes
Yes
8. Check the Vs, Va
voltage output circuit.
Does the
Vs, Va voltage output
appear?
No
Yes
Yes
5. Check the VSC RL-ON
signal.
Does the
VSC signal RL-ON
appear?
No
6. Check the VSC low
pressure output
Does the
VSC low pressure
output appear?
No
- 12 -
1-2. 50” Power Board Structure ( LGIT )
(1) Pin Layout
(2) Pin Spec
#10P(P812)
#13P(P800)
10P(P803)
12P(P802)
EAY38800401(Main Part)
#EAY38800801(Sub Part)
Vs ADJ
(VS951)
(VS951)
Va ADJ
(VS901)
(VS901)
4P(P801)
#Vsc
Vsc
Board
Board
Vsc
Vsc
Board
Board
#AC in
M
o
d
u
d
u
l
e
Pin No
4P(P811)
10P(P812)
10P(P803)
12P(P802)
13P(P800)
1
5V
Va
19V
3.4V
AC_ON
2
5V
Va
19V
3.4V
RL_ON
3
GND
GND
GND
GND
STBY 5V
4
GND
GND
GND
GND
GND
5
GND
6V
6V
Vs On In
6
GND
GND
6V
5V
7
NC
3.4V
GND
5V On In
8
Vs
GND
GND
STBY 5V
9
Vs
12V
12V
GND
10
Vs
GND
12V
NC
11
GND
6V
12
GND
NC
13
3.4V ON In
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