DOWNLOAD LG 50PX1D-UC (CHASSIS:AF-05FC) Service Manual ↓ Size: 18.13 MB | Pages: 32 in PDF or view online for FREE

Model
50PX1D-UC (CHASSIS:AF-05FC)
Pages
32
Size
18.13 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50px1d-uc-chassis-af-05fc.pdf
Date

LG 50PX1D-UC (CHASSIS:AF-05FC) Service Manual ▷ View online

1. Application Object
These instructions are applied to all of the PDP TV, AF-05FC.
2. Notes
(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 equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the conditions of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver be must kept 110V, 60Hz
during adjustment.
(5) The receiver must be operational for about 15 minutes
prior to the adjustments.  
1) After receiving 100% white pattern, the receiver must be
operated 15 minutes prior to adjustment. (Or 8. White
Pattern condition in EZ - Adjust)
2) Enter into White Pattern 
- Pressing POWER ON Key on Service Remote Control
(S R/C)
- Enter the Ez - Adjust by pressing ADJ Key on Service
Remote Control (S R/C).
- Select the 7. White Pattern using CH +/- Key and
press the Enter(
Y
) Key. 
Display the 100% Full White Pattern. 
[
The set will display white screen without a signal
generator in this mode.
If you turn on a still screen more than 20 minutes (Especially
Digital pattern, Cross Hatch Pattern), an afterimage may occur
in the black level part of the screen.
3. EPLD Download
(1) Test Equipment: PC, Jig for download
(2) Connect the power of VSC B/D.
(3) Execute download program(iMPACK) of PC.
(4) After executing the hot key on the Programmer, click icon
(5) End after confirming
4. POD Certificate Download 
4-1. Preparation for Adjustment
(1) Connect the MEMORY JIG and PC.
(2) Turn on the JIG MAIN POWER SWITCH.
(3) After turn on the PC and MONITOR, execute the
‘Certificate Downloader v1.4’  from the screen.
4-2. Adjustment Sequence
(1) After open the ‘Certificate Downloader v1.4’, enter
Connection set and set the as same below.
The port settings are determined by each PC's setup.
(2) Select ‘Connection’ and SET connected to RS-232C. 
(3) After clicking "Enter", confirm that "Enter Password:"
appears.
- 9 -
ADJUSTMENT INSTRUCTIONS
PC
VSC
B/D
<Fig 1>  Connection Diagram of EPLD Download
- 10 -
ADJUSTMENT INSTRUCTIONS
(4) Click the "OpenFile - Download" button from CP Data
Download, ‘select Private Key’ appears and click ENTER.  
(5) After clicking ENTER, the ‘opens Private key' window
appears and select the Private key applied to the SET.
The Private Key file name is on the Label of the Digital
Board.
(6) When the Dialog window appears, click OK and the write
work will begin.
(7) When completed, click ‘CP Data Download: OK’ 
[
When ‘CP Data Download: OK’ does not appear, certificate
has not Download correctly.
SET is rebooted and certificate Download work must be
repeated.  
5. Cable Operation Confirmation
(1) Confirm that the Cable Card is inserted in the slot.
(2) Enter the EZ adjust menu by pressing Adjust on the
Service Remote Control (S R/C).
(3) Go to number 2 Cable Check and press the Right key (
G
) .
(4) Confirm items below.
Name
Descrambler
Check
CableCARD
OOB Path
FDC_SNR
Video Signal
Normal
OK
CableCARD
TM
is inserted.
OK(Lock)
OK(20dB above)
Normal Screen
Defective
Not OK
CableCARD
TM
is removed.
Not OK(Unlock)
Not OK(20dB under)
Black Screen
(No Picture)
- 11 -
ADJUSTMENT INSTRUCTIONS
6. POWER PCB Assy Voltage 
Adjustment 
(Va, Vs Voltage Adjustment)
6-1. Test Equipment :
D.M.M 1EA
6-2. Connection Diagram for Measuring
Refer to Fig 1.
6-3. Adjustment 
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P805 and
connect – terminal  to GND pin of P805.
2) Adjust RV601 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P805 and
connect – terminal to GND pin of P805.
2) Adjust RV401 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V) 
7EDID(The Extended Display 
Identification Data)/DDC
(Display Data Channel) download
This is the function that enables “Plug and Play".
7-1. HDMI EDID Data Input
(1) Required Test Equipment
1) Jig for adjusting PC, DDC. (PC serial to D-sub.
Connection equipment)
2) S/W for writing DDC(EDID data write & read)
3) D-Sub cable
4) Jig for HDMI Cable connection
(2) Preparation for Adjustments & 
Setting of Device
1) Set devices as below and turn on the PC and JIG.
2) Open S/W for writing DDC (EDID data write & read).
(operated in DOS mode)
7-2. EDID DATA for AF-05FC
:
EDID for HDMI 1 (DDC (Display Data Channel) Data)
EDID table =
0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
__________________________________________________ 
00 |    00  FF  FF  FF  FF  FF  FF  00 1E  6D  01  00  01  01  01  01
10 |    00  0F  01  03  80  73  41  96  0A  CF  74  A3  57  4C B0  23
20 |    09  48  4C  2F  CE  00  31  40  45  40  61  40  01  01  01  01
30 |    01  01  01  01  01  01  01  1D  00  72  51  D0  1E  20  6E  28
40 |    55  00  C4  8E  21  00  00  1E  01  1D  80  18  71  1C  16  20
50 |    58  2C  25  00  C4  8E  21  00  00  9E  00  00  00  FC  00 4C
60 |    47  2D  54  56  0A  20  20  20  20  20  20  20  00  00  00  FD
70 |    00  3B  3C  1F  2D  08  00  0A  20  20  20  20  20  20  01  77
80 |    02  03  15  F2  46  84  85  03  02  07  06  23  15  07  50  65
90 |    03  0C  00  10  00  8C  0A  D0  8A  20  E0  2D  10  10 3E  96
A0 |    00  C4  8E  21  00  00  18  8C  0A  D0  8A  20  E0  2D  10 10
B0 |    3E  96  00  13  8E  21  00  00  18  8C  0A  A0  14  51  F0 16
C0 |    00  26  7C  43  00  C4  8E  21  00  00  98  8C  0A  A0  14 51
D0 |    F0  16  00  26  7C  43  00  13  8E  21  00  00  98  00  00  00
E0 |    00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00
F0 |    00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  88
Each PCB Assy must be checked by Check JIG Set before
assembly. (Especially, be careful Power PCB Assy which can
cause Damage to the PDP Module.)
<Fig. 1>  Connection Diagram of Power Adjustment for the
Measuring (Power Board)
PDP TV SET
(or Digital Board)
<Fig. 2>
- 12 -
ADJUSTMENT INSTRUCTIONS
:
EDID DATA for RGB
EDID table =
00  01  02  03  04  05  06  07  08  09  0A  0B  0C  0D  0E  0F
__________________________________________________
00 | 00  FF  FF  FF  FF  FF  FF  00  1E  6D  01  01  01  01  01  01  
10 | 06  0D  01  03  18  5C  34  96  08  CF  72  A3  57  4C  B0  23  
20 | 09  45  5D  EF  CE  00  31  D9  31  59  45  59  01  01  01  01  
30 | 01  01  01  01  01  40  C3  1E  00  20  41  00  20  30  10  60  
40 | 13  00  98  08  32  00  00  18  00  00  00  FC  00  4C  47  20  
50 | 54  56  0A  20  20  20  20  20  20  20  00  00  00  FD  00  30  
60 | 4C  1E  64  0F  00  0A  20  20  20  20  20  20  00  00  00  00  
70 | 00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  C5
8. AD9883A-Set Adjustment
8-1. Synopsis
AD9883A-Set adjustment to set the black level and the Gain
of optimum with an automatic movement from the analog =>
digital converter.
8-2. Test Equipment 
Service R/C, 801GF(802B, 802F, 802R) or MSPG925FA
Pattern Generator
(720P  The Horizontal 100% Color Bar Pattern output will be
possible and the output level will accurately have to be
adjusted to 0.7±0.1Vp-p)
8-3. Adjustment
(1) Select Component1 or Component2 as the input with
100% Horizontal Color Bar Pattern(HozTV31Bar) in 720p
Mode and select ‘Normal’ on screen.  
(2) After receiving signal for at least 1 second, press the ADJ
Key on the Service R/C to enter the ‘Ez - Adjust’ and select
the ‘3. AD9883A-Set’.
Pressing the Enter Key to adjust with automatic movement.  
(3) When the adjustment is over, 'AD9883A Component
Success’ is displayed. If the adjustment has errors,
'AD9883A Configuration Error’ is displayed.
(4) After the Component AD9883A adjustment is over, convert
the RGB-DTV Mode and display Pattern. 
When the adjustment is over, 'AD9883A RGB_DTV
Success’ is displayed. If the adjustment has errors,
'AD9883A Configuration Error’ is displayed.
(5) Readjust after confirming the case Pattern or adjustment
condition where the adjustment had errors. 
(6) After adjustment is complete, exit the adjustment mode by
pressing the ADJ KEY.
9. Adjustment of White Balance
9-1. Required Equipment
(1) Color analyzer (CA-100 or similar product)
(2) Automatic adjustor (with automatic adjustment hour
necessity and the RS-232C communication being possible)
(3)  Pattern Generator(MSPG-925FA): DVI Output
9-2.  Connection Diagram of Equipment 
for Measuring 
(Automatic Adjustment)
[
[
RS-232C Command
(Automatic Adjustment)
<Fig. 3>  Adjustment Pattern : 720P/60Hz HozTV31Bar Pattern
Full White Pattern
Digital RGB
PDP MONITOR
COLOR
ANALYZER
TYPE; CA-100
MSPG-925FA
<Fig. 4>  Connection Diagram of Automatic Adjustment
R Gain
G Gain
B Gain
R Cut
G Cut
B Cut
jg
jh
ji
Cool
ja
jb
jc
Med
RS-232C COMMAND
CENTER(DEFAULT)
jd
je
jf
00
00
00
ff
ff
ff
Warm
Min
Max
C0
91
4C
40
40
40
Cool
C0
B3
95
40
40
40
Med
C0
BD
B7
40
40
40
Warm
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