DOWNLOAD LG 50PT200-UB (CHASSIS:PU14K) Service Manual ↓ Size: 9.14 MB | Pages: 56 in PDF or view online for FREE

- 6 -

(1) 42T3N, 50T3N, 50R3, 60R3 Module

No

Item

Min

Typ

Max

Unit

Remark

1

Color 

White

X

0.270

0.285

0.300

08.11.20 Xrange change +-0.015

coordinate

Y

0.283

0.293

0.303

09.10.13 blue Y Change 

Red

X

0.635

0.640

Unlimitedness

0.065~0.075

Y

0.318

0.330

0.345

- White : 85IRE(216Gray) 100%

Green

X

0.242

0.300

0.305

100% Window White Pattern

Y

0.595

0.600

Unlimitedness

-

R/G/B : 100IRE(255Gray)

Blue

X

Unlimitedness

0.150

0.158

100% Window White Pattern

Y

Unlimitedness

0.065

0.075

- Picture: Vivid(Medium )

- 100% Window

- 85IRE 100% Window White 

2

Color coordinate uniformity

-0.020

average

+0.020

Pattern

- Picture: Vivid(Medium)

3

Color 

Cool

0.261

0.276

0.291

-

White : 85IRE(216Gray) 100% 

Temperature

0.268

0.283

0.298

Window White Pattern

Medium

0.270

0.285

0.300

- 100% Window

0.278

0.293

0.308

08.11.20 range change +-0.015

Warm : ColorGamut => WIDE

Warm

0.298

0.313

0.328

Cool:Color temperature C30

0.314

0.329

0.344

Meduum:Color temperature 0

Warm:Color temperature W30

-

- 85IRE(216Gray) 100% Window 

4

Brightness uniformity

-10

0

+10

%

White Pattern

- Picture: Vivid(Medium)

- 7 -

This spec sheet is applied to all of the PU14K Chassis.

(1) Because this is not a hot chassis, it is not necessary to use

an  isolation  transformer.  However,  the  use  of  isolation
transformer will help protect test instrument.

(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of

25 

c

C  ± 5  cC  of  temperature  and  65  %  ± 10  %  of  relative

humidity if there is no specific designation.

(4) The input voltage of the receiver must keep 

100 V ~ 240 V, 50 / 60 Hz.

(5) The receiver must be operated for about 5 minutes prior to

the adjustment when module is in the circumstance of over
15 cC

- In case of keeping module is in the circumstance of 0 cC,

it should be placed in the circumstance of above 15 cC for
2 hours 

- In case of keeping module is in the circumstance of below

-20 cC, it should be placed in the circumstance of above
15 cC for 3 hours.

1) Press the POWER ON KEY on R/C for adjustment.
2) Press the ADJ KEY on R/C and enter EZ ADJUST.

Select “4. WHITE PATTERN” by using 

D

/

E

(CH +/-) and

select “White” by using 

F

/

G

(VOL +/-)

- Set is activated HEAT run without signal generator in this

mode.

- Single  color  pattern  (RED  /  BLUE  /  GREEN)  of  HEAT

RUN MODE uses to check panel.

Caution:  If  you  turn  on  a  still  screen  more  than  20  minutes

(Especially digital pattern, cross hatch pattern), an after
image  may  be  occur  in  the  black  level  part  of  the
screen.

V 

Adjustment list

PCB assembly adjustment method

- ADC Adjustment
- DDC EDID Write Confirmation

V 

Total assembly line process

* Caution: Set  up  “RF  mode(noise)”  after  PCB  assembly

adjustment.

*Download
(1) Execute  ISP  program  “Mstar  ISP  Utility”  and  then  click

“Config” tab.

(2) Set as below, and then click “Auto Detect” and check “OK”

message

If display “Error”, Check connect computer, jig, and set.

(3) Click  “Connect”  tab.  If  display  “Can’t  ”,  Check  connect

computer, jig, and set.

(4) Click  “Read”  tab,  and  then  load  download  file(XXXX.bin)

by clicking “Read”

(5) Click “Auto” tab and set as below
(6) Click “Run”.
(7) After downloading, check “OK” message.

(1)

(3)

(2)

OK

vr

Please Check the Speed :

To use speed between from 200KHz to 400KHz

(4)

filexxx.bin

(5)

(6)

(7) ÉÉÉ.OK

PC (for communication through RS-232C)     UART Baud rate
: 115200 bps
Command : aa 00 00 (Start factory mode)
Command : ad 00 10 (working Auto ADC)
Command : aa 00 90 (End of Auto ADC Process)

After  enter  Service  Mode  by  pushing  “ADJ”  key,  execute
“ADC Adjust” by pushing “

G

” key at “0. ADC CALIBRATION”. 

(1) We  confirm  whether  “0xBF(480i)/0xC8(1080i)”  address  of

EEPROM “0xA2” is “0xAA” or not. 

(2) If  “0xBF(480i)/0xC8(1080i)”  address  of  EEPROM  “0xA2”

isn’t “0xAA”, we adjust once more

(3) We can confirm the ADC values from “0xB9 ~ 0xBE(480i) /

0xC2 ~ (1080i)” addresses in a page “0xA2”

* Manual  ADC  Confirmation  using  Service  Remocon.  After

enter Service Mode by pushing “INSTART” key,

* Caution  :  Each  PCB  assembly  must  be  checked  by  check  JIG

set.(Because  power  PCB  Assembly  damages  to  PDP  Module,
especially be careful)

* Caution: Set up “RF mode(noise)” before voltage adjustment.

(Va, Vs voltage adjustment)

(1) Test equipment : D.M.M 1EA
(2) Connection Diagram for Measuring : refer to fig.1

(fig.1 : Power PCB Assy Voltage adjustment)

(1) Vs adjustment (refer fig.1)

1) Connect  +  terminal  of  D.M.M.  to  Vs  pin  of

P812(42”:P811),  connect  -terminal  to  GND  pin  of
P812(42”:P811)

2) After  turning  VR901,  voltage  of  D.M.M  adjustment  as

same  as  Vs  voltage  which  on  label  of  panel  left/top    (
deviation ; ±0.5V)

(2) Va adjustment (refer fig.1)                                               

1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect  +  terminal  of  D.M.M.  to  Va  pin  of

P812(42”:P811),  connect  -terminal  to  GND  pin  of
P811(42”:P812).

3) After  turning  VR502,voltage  of  D.M.M  adjustment  as

same  as  Va  voltage  which  on  label  of  panel  left/top
(deviation; ±0.5V)

MODEL NAME:  LG TV (Not necessary)

Caution: Please only check write status in Instart-menu

PC(for  communication  through  RS-232C),  UART  baud  rate:
115200 bps
Command : aa 00 00 (Start Factory mode)
Command : ae 00 10 (Download All EDID)
Command : aa 00 90 (End of Factory mode)

(1) After enter Service Mode by pushing “ADJ” key, select “4.

EDID D/L”.

(2) Finally execute “START” by pushing “

G

” or “

9

”key. 

- 8 -

< XPOWER4 50T3/R3 PSU >

RGB EDID DATA

HDMI-1 EDID DATA

HDMI-2 EDID DATA

HDMI-3 EDID DATA

Caution: Press the POWER ON KEY on R/C before W/B adjustment.

- Color Analyzer(CS-1000, CA-100+(CH.10), CA-210(CH.10) )

[ Please adjust CA-100+ / CA-210 by CS-1000 before measuring

--> You should use Channel 10 which is Matrix compensated

(White, Red, Green, Blue revised) by CS-1000 and adjust
in accordance with White balance adjustment coordinate.

O

Color temperature standards according to CSM and Module 

O

Change  target  luminance  and  range  of  the  Auto  adjustment

W/B equipment.

O

White balance adjustment coordinate and color temperature

(On Automatic control )

Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push control R/C ADJ Key‡ Enter the mode
of White-Balance, the pattern will come out.

- 9 -

0.003

0.003

0.003

[ PC (for communication through RS-232C) ==> UART Baud rate : 115200 bps

3uv

0.329±0.002

0.329±0.002

0.329

y

0.313±0.002

0.313±0.002

0.313

x

CA-210 (CH.10)

CA-100+ (CH.10)

CS-1000

Warm

0.000

0.000

0.000

3uv

0.293±0.002

0.293±0.002

0.293

y

0.285±0.002

0.285±0.002

0.285

x

CA-210 (CH.10)

CA-100+ (CH.10)

CS-1000

Medium

0.000

0.000

0.000

3uv

0.283±0.002

0.283±0.002

0.283

y

0.276±0.002

0.276±0.002

0.276

x

CA-210 (CH.10)

CA-100+ (CH.10)

CS-1000

Cool

Target luminance

65

Range

20