LG 50PX1D, Service Manual

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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