LG 42PT250-TA (CHASSIS:PA11K) Service Manual ▷ View online
- 5 -
V
Model General Specification
No
Item
Specification
Remarks
1
Market
Albania, Austria, Belgium, Bosnia, Bulgaria, Coratia,
36 Country
Czech, Denmark, Estonia, Finland, France, Germany,
Greece, Hungary, Ireland, Italy, Kazakhstan, Latvia,
Lithuania, Luxembourg, Morocco, Netherlands, Norway,
Poland, Portugal, Romania, Russia, Serbia, Slovenia,
Spain, Sweden, Slovakia, Switzerland, Turkey, Ukraine,
UK
2
Broadcasting system
1) PAL/SECAM BG
EU (PAL Market)
2) PAL/SECAM DK
3) PAL
Ⅰ/Ⅱ
4) SECAM L/L’
5) DVB T
6) DVB C
3
Receiving system
Analog : Upper Heterodyne
Digital : COFDM
4
Scart Jack (1EA)
PAL, SECAM
5
Video Input (1EA)
PAL, SECAM, NTSC
Side AV
6
Component Input (1EA)
Y/Cb/Cr, Y/ Pb/Pr
7
RGB Input
RGB-PC
Analog (D-Sub 15Pin)
8
HDMI Input (4EA)
HDMI-PC
HDMI/DVI,HDMI2, HDMI3
HDMI-DTV
9
Audio Input (3 EA)
RGB/DVI Audio, Component, AV
L/R Input
10
SPDIF Out(1 EA)
SPDIF Out
11
USB(1EA)
For SVC, S/W Download, DivX
12
LAN
For UK models
- 6 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied to all of the PDP TV with PA11K
chassis.
chassis.
2. Specification
(1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
plan which can be changed only on agreeing.
(2) Power adjustment : Free Voltage. (100 V ~ 240 V, 50 Hz /
60 Hz.)
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation: Above 5 Minutes (Heat Run)
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25 °C ± 5 °C
Relative humidity 65 % ± 10 %
Input voltage : 220 V, 60 Hz.
Relative humidity 65 % ± 10 %
Input voltage : 220 V, 60 Hz.
(6) Adjustment equipments : Color Analyzer (CA-210 or CA-
110), DDC Adjustment Jig equipment, SVC remote
controller.
controller.
(7) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15 °C
15 °C
- In case of keeping module is in the circumstance of 0 °C,
it should be placed in the circumstance of above 15 °C
for 2 hours
for 2 hours
- In case of keeping module is in the circumstance of below
-20 °C, it should be placed in the circumstance of above
15 °C for 3 hours,.
15 °C for 3 hours,.
O
After RGB Full White in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
must be operated prior to the adjustment.
O
Enter into HEAT-RUN MODE
1) Press the POWER ON KEY on R/C for adjustment.
2) OSD display and screen display PATTERN MODE.
- Set is activated HEAT run without signal generator in this
2) OSD display and screen display PATTERN MODE.
- Set is activated HEAT run without signal generator in this
mode.
- Single color pattern ( WHITE ) 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.
an after image may be occur in the black level part of the
screen.
(8) Push The “IN STOP KEY” - For memory initialiLAtion.
Case1 : Software version up
1) After downloading S/W by USB , TV set will reboot
automatically
2) Push “In-stop” key
3) Push “Power on” key
4) Function inspection
5) After function inspection, Push “In-stop” key.
3) Push “Power on” key
4) Function inspection
5) After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1) When TV set is entering on the assembly line, Push
“In-stop” key at first.
2) Push “Power on” key for turning it on.
-> If you push “Power on” key, TV set will recover
channel information by itself.
3) After function inspection, Push “In-stop” key.
3. Main PCB check process
* APC - After Manual-Insert, executing APC
3-1. Boot file 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 “Error” is displayed, Check connection between computer,
jig, and set.
jig, and set.
(3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
(4) Click “Connect” tab. If “Can’t” is displayed, Check
connection between computer, jig, and set.
(5) Click “Auto” tab and set as below.
(6) Click “Run”.
(7) After downloadng, check “OK” message.
- 7 -
4. USB DOWNLOAD
(*.epk file download)
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is Low,
it didn
’t work.
But your downloaded version is High, USB data is
automatically detecting
automatically detecting
(3) Show the message
“Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have,
TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn
’t
have a DTV/ATV test on production line.
* After downloading, have to adjust TOOL OPTION again.
(1) Push "IN-START" key in service remote controller.
(2) Select "Tool Option 1" and Push “OK” button.
(3) Punch in the number. (Each of models has their number.)
(4) Completed selecting Tool option.
(2) Select "Tool Option 1" and Push “OK” button.
(3) Punch in the number. (Each of models has their number.)
(4) Completed selecting Tool option.
5. ADC Process
5-1. ADC
G
” key at “5. ADC
Calibration”
* Caution: Using ‘power on’ button of the Adjustment R/C , power
on TV.
Model
Module
Tool
Tool
Tool
Tool
Tool
option1 option2 option3 option4 option5
50PZ550-ZA
50R3
36928
37966
54144
26956
32
60PZ550-ZA
60R3
49216
37966
54144
26956
32
60PZ250-ZA
60R3
49280
37966
54144
26892
32
50PZ250-ZA
50R3
36992
37966
54144
26892
32
50PW450-ZA
50T3
37056
37966
54144
26892
32
42PW450-ZA
42T3
24768
37966
54144
26892
32
50PV350-ZA
50R3
37216
21582
54144
26892
32
50PT350-ZA
50T3
37312
21582
54144
26892
32
42PT350-ZA
42T3
25024
21582
54144
26892
32
60PV250-ZA
60R3
49536
21582
54144
26892
32
42PT250-ZA
42T3
25088
21582
54144
26892
32
60PV250-TA
60R3
49536
22934
54144
26892
32
50PV250-TA
50R3
37248
22934
54144
26892
32
50PW350-TA
50T3
37088
39318
54144
26956
32
42PW350-TA
42T3
24800
39318
54144
26956
32
60PZ550-TA
50R3
49216
39318
54144
26956
32
50PZ550-TA
50R3
36928
39318
54144
26956
32
50PT250-TA
50T3
37376
22934
54144
26892
32
42PT250-TA
42T3
25088
22934
54144
26892
32
50PZ550T-ZA 50R3
36928
37966
54144
29001
544
50PZ550T-ZA 50R3
36928
37966
54144
29004
544
60PZ250T-TA 60R3
49280
37966
54144
28940
544
50PZ250T-ZA 50R3
36992
37966
54144
28940
544
50PW450T-ZA 50T3
37056
37966
54144
28940
544
42PW450T-ZA 42T3
24768
37966
54144
28940
544
50PV350T-ZA 50R3
37216
21582
54144
28940
544
60PV250T-ZA 60R3
49536
21582
54144
28940
544
- 8 -
* ADC Calibration Protocol (RS232)
Adjust Sequence
- aa 00 00 [Enter Adjust Mode]
- xb 00 40 [Component1 Input (480i)]
- ad 00 10 [Adjust 480i Comp1]
- xb 00 60 [RGB Input (1024*768)]
- ad 00 10 [Adjust 1024*768 RGB]
- aa 00 90 End Adjust mode
- xb 00 40 [Component1 Input (480i)]
- ad 00 10 [Adjust 480i Comp1]
- xb 00 60 [RGB Input (1024*768)]
- ad 00 10 [Adjust 1024*768 RGB]
- aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
6. Function Check
6-1. Check display and sound
- Check Input and Signal items. (cf. work instructions)
(1) TV
(2) AV (SCART1/SCART2/ CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In
(1) TV
(2) AV (SCART1/SCART2/ CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In
* Display and Sound check is executed by Remote
controller.
* Caution : Not to push the INSTOP KEY after completion if the
function inspection.
7. Total Assembly line process
7-1. POWER PCB Assy voltage adjustment
(Vs voltage adjustment)
O
Required Equipment for adjustment
- D.M.M
O
Condition for adjustment
- No signal with the snow noise in RF mode)
7-2. Adjustment Preparation
- Required Equipment
O
Remote controller for adjustment
O
Color Analyzer ( CS-1000, CA-100,100+,CA-210 or same
product : CH 10 (PDP)
product : CH 10 (PDP)
* Please adjust CA-210, CA-100+ by CS-1000 before
measuring
O
Auto W/B adjustment instrument(only for Auto adjustment)
O
9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
EQUIPMENT.
EQUIPMENT.
Before Adjust of White Balance, Please press POWER ONLY
key
key
Adjust Process will start by execute RS232C Command.
O
Color temperature standards according to CSM and Module
O
CS-1000/CA-100+/CA-210(CH 10)
White balance adjustment coordinates and color temperature.
* Connecting picture of the measuring instrument (On
Automatic control)
- Inside PATTERN is used when W/B is controlled. Connect
to auto controller or push Adjustment R/C POWER-ON
->Enter the mode of White-Balance, the pattern will come
out.
->Enter the mode of White-Balance, the pattern will come
out.
* Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
(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
After aging start, keep the Power on (no suspension of
power supply) and heat-run over 5 minutes
power supply) and heat-run over 5 minutes
O
Auto adjustment Map(RS-232C)
RS-232C COMMAND
[ CMD ID DATA ]
[ CMD ID DATA ]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
Wb 00 ff White Balance End
CSM
PLASMA
Cool
11000K
Medium
9300K
Warm
6500K
CSM
Color Coordinate
Temp
±Color Coordinate
x
y
Cool
0.276
0.283
11000K
0.002
Medium
0.285
0.293
9300K
0.002
Warm
0.313
0.329
6500K
0.002
RS-232C COMMAND
CENTER
[CMD ID DATA]
MIN
(DEFAULT)
MAX
Cool Mid
Warm
Cool
Mid
Warm
R Gain
jg
Ja
jd
00
192
192
192
192
G Gain
jh
Jb
je
00
192
192
192
192
B Gain
ji
Jc
jf00
192
192
192
192
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
NO
Item
CMD 1 CMD 2 Data 0
Enter Adjust
A
A
0 0
When transfer the
Adjust
‘Mode In’
‘Mode In’
Mode
Carry the
command.
ADC
ADC
A
D
1 0
Automatically
adjust
Adjust
adjustment
(The use of
a internal pattern)
Click on the first or last page to see other 42PT250-TA (CHASSIS:PA11K) service manuals if exist.