DOWNLOAD LG 50PK750-ZA / 50PK750N-ZA (CHASSIS:PD01A) Service Manual ↓ Size: 16 MB | Pages: 35 in PDF or view online for FREE

Model
50PK750-ZA 50PK750N-ZA (CHASSIS:PD01A)
Pages
35
Size
16 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pk750-za-50pk750n-za-chassis-pd01a.pdf
Date

LG 50PK750-ZA / 50PK750N-ZA (CHASSIS:PD01A) Service Manual ▷ View online

- 5 -
V
Model General Specification
No
Item
Specification
Remarks
1
Market
Albania, Austria, Belgium, Bosnia, Bulgaria,
36 Country 
Coratia, 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, QAM
4
Scart Jack (2EA)
PAL, SECAM
Scart 1 Jack is Full scart and support 
RF-OUT(Analoge)
Scart 2 jack is Half scart and support 
MNT-OUT.
5
Video Input (1EA)
PAL, SECAM, NTSC
Side AV except PJ20, PK20
6
Component Input (1EA)
Y/Cb/Cr, Y/ Pb/Pr
rear
7
RGB Input
RGB-PC
Analog (D-Sub 15Pin) except PJ20, PK20
8
HDMI Input (4EA)
HDMI-PC
HDMI1/DVI, HDMI2, HDMI3
HDMI-DTV
1ea : PJ20
2ea : PK30, PK20, PJ60, PJ50, PJ30
3ea : PK50, PK70
9
Audio Input (3 EA)
RGB/DVI Audio, Component, AV
L/R Input
10
SPDIF Out(1 EA)
SPDIF Out
11
USB
For SVC, S/W Download, X-Studio, DivX
PJ30 doesn’t support Divx 
PK20, PJ20 only for SVC
12
Bluetooth
Bluetooth Phone(JPEG, MP3), 
Only 50/60PK550
Bluetooth Headset(mono, stereo)
Profile : A2DP, BIP, FTP, GAVDP, HSP, OPP
- 6 -
V
Chroma & Brightness (Optical)
(1) (With 38% Glass Filter) 50R1 module
No
Item
Min
Typ
Max
Unit
Remark
1.
White peak brightness
-
cd/m
2
(*) Peak Brightness Mode
-1/100 white Window pattern
(Typically 1% Window size)
236
284
-100IRE (255Gray)
-Picture: Vivid (Medium)
-Input: HDMI-PC(1920*1080 60Hz)
*Peak Brightness Condition may Slightly 
different between sets.
140
150
-25/100 white Window pattern
2.
White average brightness
44
50
cd/m
2
- 100% Window White Pattern
- 100IRE(255Gray)
- Picture: Vivid(Medium )
3.
Brightness uniformity
-10
0
+10
%
- 85IRE(216Gray) 100% Window White Pattern
- Picture: Vivid(Medium)
4.
Color 
White 
X
0.270
0.285
0.300
- White : 85IRE(216Gray) 100% Window 
Coordinate
Y
0.283
0.293
0.303
White Pattern
Red
X
0.635
0.640
-
- R/G/B : 100IRE(255Gray) 100% Window 
Y
0.318
0.330
0.345
White Pattern
Green
X
0.242
0.300
0.305
- Picture: Vivid(Medium )
Y
0.595
0.600
-
- 100% Window
Blue
X
-
0.150
0.158
Y
-
0.065
0.075
5.
Color coordinate uniformity
-0.01
Average
+0.01
- 85IRE 100% Window White Pattern
- Picture: Vivid(Medium)
6.
Contrast ratio at dark room
100k: 1
1,000k: 1
-1/100 white window pattern(Peak mode)
-100IRE(255Gray)
-Picture: Vivid(Medium)
-Input: HDMI-PC (1920*1080 60Hz)
7.
Color 
Cool
X
0.261
0.276
0.291
- 85IRE 100% Window White Pattern
Temperature
Y
0.268
0.283
0.298
Warm : ColorGamut => WIDE
Medium
X
0.270
0.285
0.300
Cool : Color temperature C30
Y
0.278
0.293
0.308
Meduum : Color temperature 0
Warm
X
0.298
0.313
0.328
Warm : Color temperature W30
Y
0.314
0.329
0.344
- 7 -
ADJUSTMENT INSTRUCTION
1. Application
This spec. sheet is applied to all of the PD01A chassis.
2. Specification
[Caution: The module keeping condition]
- The  module  keeping  condition:  The  normal  temperature
condition(more than 15 °C)
--> Immediately the line supply.
-. The module keeping condition: 0 °C
-->  The module must be kept for more than 2 hours at the
normal temperature.
-. The module keeping condition: -20 °C
-->  The module must be kept for more than 3 hours at the
normal temperature.
-. The case of Gu-mi factory at the winter season.
-->    The  module  must  be  kept  for  more  than  5  minutes  at
the heating zone(40 °C ~ 45 °C).
(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.
(2) If there is no specific designation, the adjustment must be
performed  in  the  circumstance  of  25  °C  ± 5  °C  of
temperature and 65 % ± 10 % of relative humidity.
(3) The input voltage of the set must keep 100 V ~ 240 V, 
50 / 60 Hz.
(4) Input signal Unit: Product Specification Standard.
(5) The set must be operated for about 5 minutes prior to the
adjustment.
O
After  turning  on  RGB  Full  Window  pattern  in  HEAT-RUN
Mode, the receiver must be operated.
O
Enter into HEAT-RUN MODE 
1) Press the ‘POWER ON’ button on R/C for adjustment.
2) Press the ‘ADJ’ button on R/C and enter EZ ADJUST
Select “7. Test Pattern” by using 
D
/
E
(CH +/-) and press
ENTER(
V
)
Select  “White”  by  using 
F
/
G
(VOL  +/-)  and  press
ENTER(
V
)
- Set heat run should be activated without a signal generator. 
- Single color patterns (RED / BLUE / GREEN) of HEAT RUN
MODE are used to check a plasma panel. 
- Caution: If you turn on a still screen more than 20 minutes
(Especially  digital  pattern,  cross  hatch  pattern),  an  after
image may be made in the black level part of the screen.
[Caution] 
- Use ‘power on’ button of a service R/C to power on TV set.
- Do  not  connect  any  external  input  cable  if  there  is  no  any
specifics.
3. Update S/W using Auto Download
through the USB
Caution:  S/W  version  of  USB  file  (xxx.epk)  must  be  bigger  than
one which is downloaded previously.
(1) Insert the USB stick to the USB socket 
(2) A  downloaded  file  in  USB  stick  will  be  detected
automatically.
(3) If  S/W  version  of  USB  file  (xxx.epk)  is  bigger  than  one
which  is  downloaded  previously,  the  message,  “Copying
files from memory”, will appear. 
(4) If  an  update  procedure  was  completed,  TV  set  will  be
turned off and on automatically.
(5) If TV set is turned on, check an updated version.
* If a downloaded version is more bigger than one of which
TV  set  had,  TV  set  can  lost  channel  data.  In  this  case,
you have to scan channels again. 
4. After Downloading S/W, Adjust 
TOOL OPTION
(1) Push “IN-START” button on a service R/C.
(2) Select “Tool Option 1” and Push “OK” button.
(3) Put the number of a below table in order of a suffix of the
“Tool Option(X)”. 
(Each model has a different number.)
Model           Tool Option1  Tool Option2  Tool Option3 Tool Option4
42PJ250-ZC
25088
546
2252
3360
42PJ350-ZA
25024
1574
35020
3360
42PJ550-ZD
24960
1574
51404
3360
42PJ650-ZA
24896
1574
51408
3360
50PJ250-ZC
37376
546
2252
3360
50PJ350-ZA
37312
1574
35020
3360
50PJ550-ZD
37248
1574
51404
3360
50PJ650-ZA
37184
1574
51408
3360
50PK250-ZA
37120
1570
2252
3360
50PK350-ZB
37056
1574
51404
3360
50PK550-ZE
36992
2598
55500
11552
50PK750-ZA
36928
2598
51408
11552
60PK250-ZA
49408
1570
2252
3360
60PK550-ZE
49280
2598
55500
11552
5. ADC Calibration Procedure
(1) Input the component (480i/Horizontal Color Bar) signal to a
TV set.
1) Input Signal Timing : Component 480i 
(Other  external  connection  is  unnecessary  except  the
component before executing ADC calibration.)
2) Input Signal Pattern
@ MODEL: 209 in Pattern Generator(480i Mode)
@  PATTERN  :  65  in  Pattern  Generator(MSPG-925
SERISE) 
(2) Push “ADJ” button on a service R/C.
(3) Enter internal ADC mode by selecting ‘5. ADC Calibration’.
(4) If  you  select  ‘Start’  on  a  dialog  box  of  the  screen,  ADC
calibration will be begun.
Caution: Don’t  connect  any  external  input  cable  except  the
component  input(480i/Horizontal_Color_Bar)  to  adjust
ADC calibration
O
Auto ADC Calibration Map(RS-232C)
# 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
6. EDID Download Procedure
(1) Push “ADJ” button on a service R/C.
(2) Enter  EDID  auto  download  mode  by  selecting  ‘8.  EDID
D/L’.
(3) If  you  select  ‘Start’  on  a  dialog  box  of  the  screen,  EDID
download will be begun automatically.
(4) Press ‘EXIT’ button on a service R/C.
(5) EDID Data
1) HDMI (FHD Models, 256 bytes)
2) RGB (FHD Models, 128 bytes)
O
EDID Data detailing (
ⓐ, ⓑ, ⓒ, ⓓ, ⓔ, ⓕ)
- 8 -
<Horizontal Color Bar pattern>
NO
Item
CMD1
A
A
0
0
0
1
D
A
CMD2 Data0
Enter  
Adjust MODE
Adjust 
‘Mode In’
When transfer the ‘Made
In’, Carry the command.
Automatically adjustment
(The use of a internal
pattern)
ADC
Adjust
ADC Adjust
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