0BTT20040006.pdf

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LG Electronics Online
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SERVICE BULLETIN
No.
Date
Factory Factory Model Suffix
EKHQ
EKHQ
RU-44SZ51D
RU-52SZ51D
:
0BTT20040006
: 2004-06-09
Factory Factory Mod
RU-44SZ61D
RU-52SZ61D
Model No.
Model
AALLKZ RU-44SZ51D EKHQ
AALLKZ RU-52SZ51D EKHQ
Buyer
EFFECTIVE DATE
Subject
Buyer Name Buyer Code Buyer Name Buyer Code Buyer Name B
LGEUS
US000001
LGEAI
US000002
ZENITH
U
2004-06-08
RU-44/52SZ51/61D - 1ST COLOR WHEEL ADAPTION
Before Change
EFF
No.
Loc No.
Part No
DESC./SPEC.
Reason Of Change
Initially, RU-44/52SZ51/61D models were adapted to a 2nd version color wheel. H
You first have to check which color wheel is used in those models.
1. If there is a driver board defect and you need to replace the driver board, then
you have to check driver board software version(DDP1010)
6871VSME80B(version : 2.03) = 2nd color wheel
6871VSMJ34A(version : 2.05) = 1st color wheel
2. If there is a color wheel defect and you need to replace the color wheel, then
check DDP 1010 version
version 2.03 = 2nd color wheel
version 2.05 = 1st color wheel
2nd color wheel assy : 3141VSN679A
1st color wheel assy : 3141VSN679B
2nd color wheel : 5230V00014B/C
1st color wheel : 5230V00027A
3. If there is optic engine defect that requires replacement, check the attached BOM for the
correct Part Number.
4. The serial numbers below were effected
Applicable serial numbers are:
405KT00001~405KT00905
406KT00001~406KT00098
404KT01500~405KT03200
Flash_ver203.img
Flash_150Hz_Osram_PlusColorWheel_ver205_30uSecShift.img
BALLAST_WHEEL_BOM18<:G%_040525.xls
SERVICE BULLETIN.pdf
** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL
NOTE(**) : INTERCHANGEABILITY CODE
Parts
Original
Set
Early
Late
Early
Late
Early
Late
Early
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
2. To improve productivity
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.
1. To improve performance
KEY-WORD CODE
A
New
Original
B
New
Original
3. To improve reliability
4. Change of material or dimension
5. Addition
6. Deletion
C
New
Original
Original parts only may be used in early production sets.
http://aic.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=ACSVB000041648
11/15/2005
LG Electronics Online
Page 2 of 2
D
New
Late
New parts may be used in late production sets only.
Stock original and new parts.
7. Correction
CHIEF ENGINEER ,
Factory.
http://aic.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=ACSVB000041648
11/15/2005

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