Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_50PX4DR_repair_tips
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LG Electronics Online Page 1 of 1
SERVICE BULLETIN
:
No.
0BPT20050034
Date : 2005-05-31
Factory Factory Model Suffix Model No. Factory Factory Model Suffix
Model
EKHQ 50PX4DR-UA AUSLLAK 50PX4DR
Buyer Name Buyer Code Buyer Name Buyer Code Buyer Name Buyer C
Buyer
LGEUS US000001 LGEAI US000002
EFFECTIVE DATE 2005-05-12 EFFECTIVE FROM(SERIAL N
Subject [AF-05FA] 50PX4DR-UA Analog , Index B/D IIC Resister C
Before Change After Change
No. Loc No.
Part No DESC./SPEC. Part No DESC./SPEC.
RESISTOR,METAL GLAZE / RESISTOR,CHIP /
1 R1422 0RH4701D622 4.7K OHM 1 / 10 W 20 0RH2401D622 2.4K 1/10W 5 TA
RESISTOR,METAL GLAZE / RESISTOR,CHIP /
2 R1441 0RH4701D622 4.7K OHM 1 / 10 W 20 0RH2401D622 2.4K 1/10W 5 TA
RESISTOR,METAL GLAZE / RESISTOR,METAL GLAZE /
3 R101 0RH2200D622 220 OHM 1 / 10 W 201 0RH0222D622 22 OHM 1 / 10 W 2012
RESISTOR,METAL GLAZE / RESISTOR,METAL GLAZE /
4 R102 0RH2200D622 220 OHM 1 / 10 W 201 0RH0222D622 22 OHM 1 / 10 W 2012
Reason Of Change
Symptom : TV latchs up (A Remote control and a control key didn't wo
1. Improved IIC ch4 Rising Time
2. Improved IIC ch4 ACK signal Margin
We've changed the value of the resisters in the Analog B/D(R1422,1441) and Index(R10
IF you change the Analog B/D or Index B/D , you have to check the value of resisters
(Please make sure that you have to check the goods that were producted before May 20
** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL
NOTE(**) : INTERCHANGEABILITY CODE KEY-WORD CODE
Parts Set
1. To improve performance
Original Early Original or new parts may be used in early or late production sets.
A 2. To improve productivity
New Late Use original parts until exhausted, then stock new parts.
3. To improve reliability
Original Early Original parts may be used in early production sets only.
B New parts may be used in early or late production sets.
New Late Use original parts where possible, then stock new parts. 4. Change of material or dimension
Original Early New parts only may be used in early or late production sets. 5. Addition
C
New Late Stock new parts.
6. Deletion
Original Early Original parts only may be used in early production sets.
D New parts may be used in late production sets only.
7. Correction
New Late Stock original and new parts.
CHIEF ENGINEER ,
Factory.
http://aic.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000044852 7/26/2005
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