DOWNLOAD LG 50PC5D-DB (CHASSIS:PT-73A) Service Manual ↓ Size: 15.34 MB | Pages: 35 in PDF or view online for FREE

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(Va, Vs voltage adjustment)

D.M.M 1EA

Refer to fig. 4

1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D. M..M. to Va pin of P807, connect -

terminal to GND pin of P807.

3) After turning RV501,voltage of D.M.M adjustment as same as

Va voltage which on label of panel right/top (deviation; ±0.5V)

1) Connect + terminal of D. M..M. to Vs pin of P807, connect -

terminal to GND pin of P807.

2) After turning RV 401, voltage of D.M.M adjustment as same as

Vs voltage which on label of panel right/top (deviation; ±0.5V)

(1) Adjusting PC with S/W for writing EDID Data(S/W: EDID

TESTER Ver.2.5)

(2) A Jig for EDID Download
(3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub

15Pin cable, DVI to HDMI cable.

(1) As above <Fig. 5>, Connect the Set, EDID Download Jig,,

PC & Cable

(2) Turn on the PC & EDID Download Jig. And  Execute the

S/W : EDID TESTER Ver.2.5

(3) Set up the S/W option 

Repeat Number : 5
Device Address : A0

PageByte : 8

(4) Power on the Set

<Fig. 5>  Connection Diagram of DDC Download

<Fig. 4-1>  42 inch: 6709900019A

<Fig. 4-2>  42 inch: EAY32808901

<Fig. 4-3>  50 inch: 6709900020A

Connection Diagram of Power Adjustment for Measuring

Caution: Each PCB assembly must be checked by check JIG
set. (Because power PCB Assembly damages to PDP Module,
especially be careful)

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1) Init the data 

2) Load the EDID data.(Open File)

3) Set the S/W as below.
4) Push the “Write Data & Verify” button. And confirm “Yes”.
5) If the writing is finished, you will see the “ OK” message. 

6) If TV has two HDMI, you must download two times for each

HDMI.

(1) ANALOG RGB

(2) HDMI_1

(3) HDMI_2

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Product ID

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Serial No: Controlled on production line.

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Month, Year: Controlled on production line

ex) Monthly: ‘01’ ==> ‘01’

Year      : ‘2007’ ==> ‘11’

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Checksum: Changeable by total EDID data

[Anaolg file] (for RGB)

[Digital file] (for HDMI)

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Before AV ADC Calibration, should be select the “Tool Option ”

(1) Press ADJ Key in the Adjust remocon.
(2) Select “Tool Option1” by using 

D

/

E

(CH+/-) key, and

press 

A

(ENTER).

(3) Change “Inch” and “Tool” according to the inch of model

name.

(4) After changing the panel size, push the EXIT Key.

[

Caution: 

- System control RS-232 Host should be “PC” for

adjustment.

- Before AV ADC Calibration, execute the “Panel size

selection”

(1) This AV color balance adjustment should be performed

before White Balance Adjustment.

(2) Mandatory point : All models are adjusted twice of NTSC

and PAL in AV mode.

(1) Remote controller for adjustment
(2) MSPG-925FS Pattern Generator (Which has Video Signal:

7 Color Bar Pattern shown in Fig. 7).
Model: 207 / Pattern: 65 Case 2) EC and FC model use
NTSC_J (composite signal)

(1) Input the Video signal: 7 color Bar signal into AV1.
(2) Set the PSM to Dynamic mode in the Picture menu

(3) Press INSTART key on R/C for adjustment.
(4) Press the 

G

(Vol. +) key operate to set, then it becomes

automatically.

(5) Auto-RGB OK means completed adjustment.

(1) Remote controller for adjustment
(2) MSPG-925FS Pattern Generator (Which has Video Signal:

7 Color Bar Pattern shown in Fig. 7).
Model: 216 / Pattern: 65

(1) Input the Component 720p/60Hz 7 Color Bar(MSPG-

925FS model:216, pattern:65) signal into Component.

(2) Set the PSM to Dynamic mode in the Picture menu.

<Fig. 6>  Color Bar Signal

<Fig. 7>  Color Bar Signal

(3) Press IN-START key on R/C for adjustment.
(4) Press the 

G

(Vol. +) key to operate the set, then it

becomes automatically.

(5) Auto-RGB OK means the adjustment is completed.

(1) Remote controller for adjustment
(2) MSPG-925FS Pattern Generator

(Which has XGA [1024*768] 60Hz, 7 color bar 100%
shown in Fig. 8)

(1) Input the PC 1024x768 @ 60Hz 7 color bar 100% (MSPG-

925FS, Model:60, Pattern:65) into RGB. (using D-sub to D-
sub cable)

(2) Set the PSM to Dynamic mode in Picture menu.
(3) Press the IN-START key on R/C for adjustment.

(4) Press the 

G

(Vol. +) key to operate the set, then it

becomes automatically

(5) Auto-RGB OK means the adjustment is completed

Before adjusting White-balance , the AV ADC should be done.

(1) Remote controller for adjustment
(2) Color Analyzer ( CA-100+ or same product ) : CH 10

(PDP) , CH 9 (LCD)

(3) Auto W/B adjustment instrument(only for Auto adjustment)
(4) AV Pattern Generator

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Color temperature standards according to CSM and Module

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White balance adjustment coordinate and color temperature

PC (for communication through RS-232C) ==> UART Baud
rate : 115200 bps

[

Automatic control )
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push control R/C IN-START
==> Enter the mode of White-Balance, the pattern will come
out.

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Auto Adjustment Map(RS-232C)

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<Fig. 8>  Color Bar Signal

<Fig. 9>  Connecting Picture(On Automatic Control)