LG 50PN4503-ZA / 50PN450B-ZA (CHASSIS:PD31A) Service Manual ▷ View online
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No
Item
Specification
Remark
1
Market
Albania, Austria, Belgium, Bosnia, Bulgaria, 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
36 Country
Australia, New Zealand, Malaysia, Indonesia,
Non-EU
2
Broadcasting system
1) PAL/SECAM BG
2) PAL/SECAM DK
3) PAL I / II
4) SECAM L/L’
5) DVB T
6) DVB C
7) DVB T2
8) DVB S2
Programme Coverage (EU)
Digital TV
- PD31B/C are not support SECAM L/L`
- Only PD31B support DVB-T2
- Only PD31C support DVB-S2
Analogue TV
VHF: E2 to E12, UHF: E21 to E69,
CATV: S1 to S20, HYPER: S21 to S47
1) PAL/SECAM BG
2) PAL/SECAM DK
3) PAL I
4) NTSC M
5) DVB T
Programme Coverage (NON-EU)
Digital TV
VHF 04 to 13, UHF 27 to 69
Analogue TV
VHF/UHF 1 to 78, CATV 01 to 71
3
Receiving system
Analog : Upper Heterodyne
Digital : COFDM
4
Scart Jack (1EA)
PAL, SECAM
EU ONLY
5
Component Input (1EA)
Y/Cb/Cr, Y/ Pb/Pr
6
RGB Input (1EA)
RGB-PC
Commercial Model ONLY
7
RS232C (1EA)
SVC
Commercial Model ONLY
8
AV (2EA)
CVBS ( Hybrid :1)
EU model have 1 AV ( Hybrid)
9
HDMI Input (2 or 3EA)
HDMI-PC
HDMI-DTV
HDMI/PC 1, HDMI2
10
Audio Input (1EA)
DVI Audio, Component
L/R Input
11
SPDIF Out (1 EA)
SPDIF Out
12
USB (1EA)
for SVC, S/W Download, DivX
13
LAN
only DVB-T2 (UK, Irend) Model
14
PCMCI (1EA)
DVB-T/C Decryption Interface, CI+
EU ONLY
5. Model General Specification
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ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet applies to PD31A chassis applied PDP TV all
models manufactured in TV factory.
2. Designation
(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) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(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 : 220V, 60Hz
(6) Adjustment equipments : Color Analyzer (CA-210 or
CA-110), DDC Adjustment Jig equipment, SVC remote
controller.
(7) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15
- 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.
- 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.
■ After RGB Full White in HEAT-RUN Mode, the receiver must
be operated prior to the adjustment.
■ 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
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.
(8) Push The “IN STOP KEY” – For memory initialization.
3. Main PCB check process
* APC - After Manual-Insult, executing APC
*
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.
(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 downloading, check "OK" message.
Case1 : Software version up
1) After downloading S/W by USB , Multi-vision 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.
Case2 : Function check at the assembly line
1) When TV set is entering on the assembly line, Push “In-
stop” ke y 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.
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*
USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket
(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
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The Multi-vision will restart
automatically.
(6) If your Multi-vision is turned on, check your updated
version and Tool option. (explain the Tool option, next
stage)
* 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.
3.1. ADC Process
3.1.1. ADC
■ Enter Service Mode by pushing “ADJ” key,
Calibration”
* Caution : Using ‘power on’ button of the Adjustment R/C ,
power on Multi-vision.
* ADC Calibration Protocol (RS232)
- Adjust Sequence
▪aa 00 00 [Enter Adjust Mode]
▪xb 00 40 [Component1 Input (480i)]
▪ad 00 10 [Adjust 480i Comp1]
▪aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
3.2. Function Check
3.2.1. Check display and sound
■ Check Input and Signal items. (cf. work instructions)
1) TV
2)AV (SCART/ CVBS)
3) COMPONENT (480i)
4) HDMI
5) 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.
50PN450B-Z*
HD/FHD
HD
Tool option 1
36864
Tool option 2
21800
Tool option 3
3313
Tool option 4
51398
Tool option 5
10
NO
Enter
Adjust MODE
ADC adjust
Item
Adjust ‘Mode In’
ADC Adjust
CMD 1
A
A
CMD 2
A
D
Data 0
0
1
0
0
When transfer the
‘Mode In’,
Carry the command.
Automatically adjustment
(The use of a internal
pattern)
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4. Total Assembly line process
4.1. POWER PCB Assy voltage adjustment
(Vs voltage adjustment)
4.1.1.Test equipment : D.M.M 1EA
4.1.2. Condition for adjustment
- No signal with the snow noise in RF mode
4.1.3. Connection Diagram for Measuring
: refer to fig.7
4.1.4. Adjustment method
4.1.4.1 Vs adjustment
(1) Connect + terminal of D. M..M. to Vs TP, connect -terminal
to GND.
(2) After turning VR901, voltage of D.M.M adjustment as same
as Vs voltage which on label of panel right/top ( deviation
; ±0.5V)
4.1.4.2 Va adjustment
(1) Connect + terminal of D. M..M. to Va TP, connect -terminal
to GND.
(2) After turning VR502, voltage of D.M.M adjustment as same
as Va voltage which on label of panel right/top ( deviation
; ±0.5V)
4.2. Adjustment Preparation
● Required Equipment
- Remote controller for adjustment
- Color Analyzer ( CS-1000, CA-100,100+,CA-210 or same
product : CH 11 (PDP)
* Please adjust CA-210, CA-100+ by CS-1000 before measur-
ing
- Auto W/B adjustment instrument(only for Auto adjust-
ment)
- 9 Pin D-Sub Jack(RS232C) is connected to the AUTO
W/B EQUIPMENT.
Before Adjust of White Balance, Please press
POWER ONLY key
- Adjust Process will start by execute RS232C Command.
● Color temperature standards according to CSM and Module
● CS-1000/CA-100+/CA-210(CH 10) White balance adjust-
ment coordinates and color temperature.
* Connecting picture of the measuring instrument (On Auto-
matic control)
- Inside PATTERN is used when W/B is controlled. Con-
nect to auto controller or push Adjustment R/C POWER-
ON -> Enter the mode of White-Balance, the pattern will
come out.
CSM
PLASMA
Cool
11000K
Medium
9300K
Warm
6500K
CSM
Color Coordination
Temp
± Color
Coordination
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
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