Adjustment Instruction - LG 50PA4500 Service Manual
Hide thumbs
Also See for 50PA4500:
- Owner's manual (136 pages) ,
- User manual (84 pages) ,
- Specifications (2 pages)
Table of Contents
1. Application Range
This spec. sheet applies to PB23A chassis applied PDP TV all
models manufactured in TV factory.
2. Specification
(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 instrument.
(2) Adjustment must be done in the correc t order. But it is
flexible when its factory local problem occurs.
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-240
V~, 50/60 Hz.
(5) Before adjustment, execute Heat-Run for 5 minutes.
■ Afte r Rec eiv e 100% Ful l whi te pat ter n (06 CH) then
process Heat-run
(or "8. Test pattern" condition of Ez-Adjust status)
■ How to make set white pattern
1) Press Power ON button of Service Remocon
2) Press ADJ button of Service remocon. Select "10. Test
pattern" and, after select "White" using navigation
button, and then you can see 100% Full White pattern.
* In this status you can maintain Heat-Run useless any
pattern generator
* Notice: if you mai ntain one pic ture over 20 minutes
ADJUSTMENT INSTRUCTION
4. PCB Assembly Adjustment
4.1. Using RS-232C
- Adjust 3 items at 3.1. PCB assembly adjustments
" 4.1. ■ Adjustment sequence" one after the order.
■ Adjustment sequence
Order
command
1. Inter the
aa 00 00
a 00 OK00x
Adjustment
mode
2. Change the
XB 00 40
b 00 OK40x (Adjust 480i Comp1 )
Source
XB 00 60
b 00 OK60x (Adjust 1080p RGB)
3. Start
ad 00 10
Adjustment
4. Return the
OKx ( Success condition )
Response
NGx ( Failed condition )
5. Read
( main )
(main : component1 480i, RGB 1080p)
Adjustment
ad 00 20
000000000000000000000000007c007b006dx
data
( main )
(main : component1 1080p)
ad 00 30
000000070000000000000000007c00830077x
6. Conrm
ad 00 99
NG 03 00x (Failed condition)
Adjustment
NG 03 01x (Failed condition)
NG 03 02x (Failed condition)
OK 03 03x (Success condition)
7. End of
ad 00 90
d 00 OK90x
Adjustment
< See ADC Adjustment RS232C Protocol_Ver1.0 >
■ Necessary items before Adjustment items
Set response
(Adjust 1080p Comp1)
- Quick Links:
- Block Diagram
Hide quick links:
Table of Contents
