0BTT20050035.pdf

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SERVICE BULLETIN
No.
Date
Factory Factory Model Suffix
EKHQ
DU-52SZ61D
RU-44SZ51D
RU-44SZ81L
RU-52SZ10
RU-52SZ61D
AALLKZ
TALLRZ3
Model No.
Factory Factory Model Suffix
RU-44SZ51D
RU-44SZ61D
RU-44SZ83D
RU-52SZ51D
DU-52SZ61D EKHQ
RU-44SZ51D
EKHQ
EKHQ
EKHQ
:
0BTT20050035
: 2005-06-17
Model No.
AALLKZ RU-44SZ51D
AALLKZ RU-44SZ61D
AALTKT 44NHM84
AALLKZ RU-52SZ51D
Model
EKHQ
EKHQ
EKHQ
EKHQ
TARZRZ3 E44W46LCD
AALZKZ
AALLKZ
D52WLCD
RU-52SZ61D
Buyer
Buyer Name Buyer Code Buyer Name Buyer Code Buyer Name Buyer Code
LGEUS
US000001
LGEAI
US000002
EFFECTIVE
2005-06-16
DATE
Subject
Loc
No.
EFFECTIVE FROM(SERIAL NO.)
all
DLP Projection TV 2st Engine Light Tunnel Repairing Guide
Before Change
Part No
DESC./SPEC.
Part No
After Change
DESC./SPEC.
No.
Note K-Code Remark
Reason Of Change
Reason Of Change
Symptom : Dark Picture , Black Patch on the side of the screen
Contermeasure : Replacing Light Tunnel in the DLP Engine Assy.
If the Light Tunnel problems were happend, see attached file for reference.
you can repair light tunnel Assy.
** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL
NOTE(**) : INTERCHANGEABILITY CODE
Parts
Set
Early
Late
Early
Late
Early
Late
Early
Late
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
Original parts may be used in early production sets only.
New parts may be used in early or late production sets.
Use original parts where possible, then stock new parts.
New parts only may be used in early or late production sets.
Stock new parts.
6. Deletion
Original parts only may be used in early production sets.
New parts may be used in late production sets only.
Stock original and new parts.
3. To improve reliability
4. Change of material or dimension
5. Addition
KEY-WORD CODE
1. To improve performance
2. To improve productivity
A
B
C
D
Original
New
Original
New
Original
New
Original
New
7. Correction
CHIEF ENGINEER ,
Factory.
http://aic.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000044948
8/1/2005

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