DOWNLOAD LG 42PC3DV-UD / 42PC3DVA-UD / 42PC3D-UD / 42PC3DC-UD / 42PC3DH-UD (CHASSIS:PA-51D) Service Manual ↓ Size: 19.71 MB | Pages: 33 in PDF or view online for FREE

These instructions are applied to all of the PDP TV, PA-51D.

(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 circumstance 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

when adjusting.

(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 prior to adjustment. (Or 8. White Pattern
condition in EZ - Adjust)

2) Enter into White Pattern 

- Press POWER ON Key on the Service Remote

Control (S R/C)

- Enter the Ez - Adjust by pressing ADJ Key on the

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. 

[

Set is activated HEAT-RUN without signal generator in

this mode.

If you turn on a still screen more than 20 minutes (Especially
Digital pattern(13 CH), Cross Hatch Pattern), an afterimage
may occur in the black level part of the screen.

(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

(Va, Vs Voltage Adjustment)

D.M.M 1EA

Refer to <Fig. 2>.

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)

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) 

- 9 -

PC

VSC

B/D

<Fig. 1>  Connection Diagram of EPLD Download

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. 2>  Connection Diagram of Power Adjustment for

Measuring (Power Board)

- 10 -

5. EDID(The Extended Display 

This is the function that enables “Plug and Play".

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

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)

:

EDID for HDMI (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 64 19 00 40 41 00 26 30 18 88
40 |   36 00 00 D0 52 00 00 18 00 00 00 FD 00 38 55 1F
50 |   3C 08 00 0A 20 20 20 20 20 20 00 00 00 FC 00 4C
60 |   47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FC
70 |   00 50 44 50 0A 20 20 20 20 20 20 20 20 20 01 8F
80 |   02 03 13 F1 44 84 05 03 02 23 15 07 50 65 03 0C
90 |   00 10 00 01 1D 00 72 51 D0 1E 20 6E 28 55 00 C4
A0 |   8E 21 00 00 1E 01 1D 80 18 71 1C 16 20 58 2C 25
B0 |   00 C4 8E 21 00 00 9E 8C 0A D0 8A 20 E0 2D 10 10
C0 |   3E 96 00 C4 8E 21 00 00 18 8C 0A D0 8A 20 E0 2D
D0 |   10 10 3E 96 00 13 8E 21 00 00 18 00 00 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 ED

:

EDID DATA for RGB

EDID table =

0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F

__________________________________________________

0   |  00  FF  FF  FF  FF  FF  FF  00  1E  6D  01  01  01  01  01  01

10  |  16  0F  01  03  68  6E  3E  96  0A  30  31  A8  55  40  AC  25

20  |  0D  47  48  AF  CE  00  31  4F  45  4F  61  4F  01  01  01  01
30  |  01  01  01  01  01  01  64  19  00  40  41  00  26  30  18  88
40  |  36  00  4C  6C  42  00  00  18  00  00  00  FD  00  38  4B  1E
50  |  3D  08  00  0A  20  20  20  20  20  20  00  00  00  FC  00  4C
60  |  47  20  54  56  0A  20  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  16

MST9883A-Set adjustment to set the black level and the Gain
of optimum with an automatic movement from the analog =>
digital converter.

Service R/C, MSPG925FA Pattern Generator
(720P  The Horizontal 100% Color Bar Pattern output will be
possible and the output level will accurately have to be
revised with 0.7±0.1Vp-p)

PDP TV SET

(or Digital Board)

<Fig. 3>

<Fig. 4> Adjustment Mode

<Fig. 5> Adjustment Pattern: HOzTV31Bar Pattern

(720P/60Hz: Format No. 217)

(480i/60Hz: Format No. 209)

- 11 -

(1) Select Component 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 ‘1. MST9883A-720p Set’.
Pressing the Enter Key to adjust with automatic movement.  

(3) When the adjustment is over, 'MST9883A Component

Success’ is displayed. If the adjustment has errors,
'MST9883A Configuration Error’ is displayed.

(4) After the Component MST9883A adjustment is over,

convert the RGB-DTV Mode and display Pattern. 
When the adjustment is over, 'MST9883A RGB_DTV
Success’ is displayed. 

(5) Select Component as the input with 100% Horizontal Color

Bar Pattern(HozTV31Bar) in 480i Mode. 

(6) 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. MST9883A-480i Set’.
Pressing the Enter Key to adjust with automatic movement.

(7) When the adjustment is over, 'MST9883A Component

Success’ is displayed. If the adjustment has errors,
'MST9883A Configuration Error’ is displayed.

[

MST9883 480i adjustment is apply the only Component Mode.

(8) Readjust after confirming the case Pattern or adjustment

condition where the adjustment had errors. 

(9) After adjustment is complete, exit the adjustment mode by

pressing the ADJ KEY.

(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

(Automatic Adjustment)

[

[

(Automatic Adjustment)

O

Operate the Zero-calibration of the CA-100, then attach

sensor to PDP module surface when you adjust.

O

Manual adjustment is also possible by the following sequence.  

(1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service

Remote Control.

(2) Select "8. WHITE PATTERN" using CH +/- Key and HEAT

RUN at least 30 minutes by pressing the ENTER Key.

(3) Receive the Window pattern signal from Digital Pattern

Generator. (AV Input: connect the ‘HDMI’)

(4) After attaching sensor to center of screen, select ‘5. White-

Balance’ of ‘Ez - Adjust’ by pressing the ADJ KEY on the
Service R/C. Then enter adjustment mode by pressing the
Right KEY (

G

) .

(5) Adjust the Hight Light using R Gain/G Gain(Cool).

Adjust the Hight Light using G Gain/B Gain(Medium).
Adjust the Hight Light using G Gain/B Gain(Warm).

(6) Adjust using Volume +/- KEY.

After adjustment is complete, exit the adjustment mode by
pressing the ADJ KEY.

High Level: 216gray

[Cool]
X; 0.278±0.002   Y; 0.279±0.002
Color temperature: 11000°K±1000°K

[Medium]
X; 0.287±0.003   Y; 0.289±0.003
Color temperature: 9300°K±1000°K

[Warm]
X; 0.315±0.002   Y; 0.316±0.002
Color temperature: 6500°K±1000°K

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

7f

7f

7f

Warm

Min

Max

b8

bd

c0

40

40

40

Cool

c0

b8

b1

40

40

40

Med

c0

96

54

40

40

40

Warm

- 12 -

MSPG925FA Pattern Generator-connector with Video Input

(1) After select the model, input the #201(NTSC-M).
(2) Receive the 100% Color Bar Pattern.(Pattern #32)
(3) Select the Reverse button and select the signal as below

figure. 

(1) After receive signal to Ant input, CVBS output of

MSPG925FA to Video and confirm the signal receiving.

(2) Enter the ‘EZ-ADJUST’ by pressing the ADJ Key on the

Service R/C.

(3) Select ‘3. Video(uPD)-Set’ and enter the adjustment mode

by pressing the right key(

G

).

(4) When enter the adjustment mode, displayed the TV 2CH

Screen automatic at picture and appear as below figure.

(5) When the automatic adjustment is over, 'RF Configuration

Success’ is displayed. If the adjustment has errors, 'Video
Configuration Error’ is displayed.

(6) After the RF signal automatic adjustment is over, convert

the Video Mode as below figure and adjust with automatic
movement the Video Mode. 
When the automatic adjustment is over, 'Video
Configuration Success’ is displayed. If the adjustment has
errors, 'Video Configuration Error’ is displayed.