Samsung 32LE5500-SA Service Manual

Contents

Copyright LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only- 12 -ADJUSTMENT INSTRUCTION1. Application RangeThis specification sheet is applied all of the LJ03D/E LCD TVmodels, which produced in manufacture department or similarLG TV factory2. Notice(1) Because this is not a hot chassis, it is not necessary to usean isolation transformer. However, the use of isolationtransformer will help protect test instrument.(2) Adjustment must be done in the correct order.(3) The adjustment must be performed in the circumstance of25 ºC ± 5 ºC of temperature and 65 % ± 10 % of relativehumidity if there is no specific designation.(4) The input voltage of the receiver must keep AC 100-220V~ 50 / 60Hz.(5) Before adjustment, execute Heat-Run for 5 minutes.A After Receive 100% Full white pattern (06CH) thenprocess Heat-run(or “8. Test pattern” condition of Ez-Adjust status)A How to make set white pattern1) Press Power ON button of Service Remocon2) Press ADJ button of Service remocon. Select “8. Testpattern” and, after select “White” using navigationbutton, and then you can see 100% Full White pattern.* In this status you can maintain Heat-Run useless anypattern generator* Notice: if you maintain one picture over 20 minutes(Especially sharp distinction black with whitepattern – 13Ch, or Cross hatch pattern – 09Ch)then it can appear image stick near black level.3. Adjustment Items3.1. PCB Assembly AdjustmentA MAC Address DownloadA Adjust 480i Comp1A Adjust 1080p Comp1/RGB• If it is necessary, it can adjustment at Manufacture Line• You can see set adjustment status at “1. ADJUSTCHECK” of the “In-start menu”A EDID (The Extended Display Identification Data)/DDC(Display Data Channel) download3.2. Set Assembly AdjustmentA Color Temperature (White Balance) AdjustmentA Using RS-232CA PING TestA Selection Factory output option4. PCB Assembly Adjustment4.1. MAC Address4.1.1. Equipment & Condition• Play file: Serial.exe• MAC Address edit• Input Start / End MAC address4.1.2 Download method4.1.2.1 Communication Prot connectionConnect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port4.1.2.2 MAC Address Download• Com 1,2,3,4 and 115200(Baudrate)• Port connection button click(1)• Load button click(2) for MAC Address write.• Start MAC Address write button(3)• Check the OK Or NG4.1.3 Equipment & Condition• Each other connection to LAN Port of IP Hub and JigPCBA PC(RS-232C)RS-232C Po rt