LG Electronics 50PT490B-SD user manual

User manual for the device LG Electronics 50PT490B-SD

Device: LG Electronics 50PT490B-SD
Size: 6,55 MB
Date of adding : 2013-10-30 16:27:22
Number of pages: 70
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LG Electronics 50PT490B-SD user manual
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Summary of the content on the page No. 1

Internal Use Only
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
PLASMA TV
SERVICE MANUAL
CHASSIS : PB11K
MODEL : 50PT490B 50PT490B-SA
MODEL : 50PT490B 50PT490B-SD
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Printed in Korea
P/NO : MFL66986913 (1106-REV00)

Summary of the content on the page No. 2

CONTENTS CONTENTS ............................................................................................................................... 2 SAFETY PRECAUTIONS...........................................................................................................3 SPECIFICATION.........................................................................................................................4 ADJUSTMENT INSTRUCTION ..................................................................

Summary of the content on the page No. 3

SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Leakage Current Hot Check (See

Summary of the content on the page No. 4

SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application Range (1) This spec sheet is applied all of PDP TV with PB11K chassis. Model Name Market Brand 50PT490B-SA Brazil / chile / Peru / Venezuela / Costarica / Uruguay LG 50PT490B-SD 2. Specification Each part is tested as below without special appointment. (1) Temperature : 25 °C ± 5 °C (77 °F ± 9 °F), CST : 40 °C ± 5 °C (2) Relative Humidity : 65 % ± 10 % (3) Power Voltage : Stand

Summary of the content on the page No. 5

4. General Specification No Item Specification Remark 1. Receiving System 1) SBTVD / NTSC / PAL-M / PAL-N PW350B, PV550B, PT250B, PT350B 2) DVB-T PW350E, PV550E, PT250E, PT260E 2. Available Channel 1) VHF : 02~13 PW350B, PV550B, PT250B, PT260E 2) UHF : 14~69 3) DTV : 07-69 (VHF high/UHF) 4) CATV : 02~135 1) VHF : 02~13 PW350E, PV550E, PT250E, PT260E 2) UHF : 14~69 3) DTV : 14~69 (UHF) 4) CATV : 02~135 3. Input Voltage 1)AC 100 ~ 240V 50/60Hz 4. Market Brazil / chile / Peru / Venezuela PW350B, P

Summary of the content on the page No. 6

ADJUSTMENT INSTRUCTION 1. Application Range 4. PCB Assembly Adjustment This spec. sheet applies to PB11K Chassis applied PDP TV all models manufactured in TV factory. 4-1. Using RS-232C - Adjust 3 items at 3-1 PCB assembly adjustments 2. Specification “ (3) Adjustment sequence” one after the order. (1) Because this is not a hot chassis, it is not necessary to use (1) Adjustment protocol an isolation transformer. However, the use of isolation transformer will help protect test instrument. Order

Summary of the content on the page No. 7

5. Factory Adjustment PU11A / PB11A : USE INTERNAL ADC(S7R) : using internal pattern. 5-1. Auto Adjust Component 480i/1080p RGB 1080p (1) Summary : Adjustment component 480i/1080i and RGB 1080p is Gain and Black level setting at Analog to Digital converter, and compensate the RGB deviation (2) Using instrument 1) Adjustment remocon, 801GF(802B, 802F, 802R) or MSPG925FA pattern generator (It can output 480i/1080i horizontal 100 % color bar pattern signal, and its output level must setting Caut

Summary of the content on the page No. 8

EDID data (Model name = LG TV) HDMI-1 EDID table(2D HD) - - North America & South Centural America (PT350B, PT250B/E, PT260E/PT490/U/R) 01234 56789 A B C D E F 0 00FF FF FF FF FF FF 00 1E 6D 010001010101 10 01 15 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 01 01 01 01 30 01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88 40 36 00 40 84 63 00 00 1C A0 0F 20 00 31 58 1C 20 50 28 80 11 00 BC 39 20 00 00 00 00 00 00 FD 00 3A 60 3E 1E 53 10 00 0A 20 20 20 20 20 20

Summary of the content on the page No. 9

HDMI-3 EDID table(2D HD) (2) Connection Diagram (Auto Adjustment) - North America & South Centural America 1) Using Inner Pattern (PT350B, PT250B/E, PT260E/PT490/U/R) 01234 5 6789 A B C D E F 0 00 FFFFFFFFFFFF 00 1E 6D 01 00 01 01 01 01 10 01 15 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 01 01 01 01 30 01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88 40 36 00 40 84 63 00 00 1C A0 0F 20 00 31 58 1C 20 50 28 80 11 00 BC 39 20 00 00 00 00 00 00 FD 00 3A 60 3E 1E

Summary of the content on the page No. 10

V RS-232C COMMAND(Commonly apply) (4) White Balance Adjustment (Manual adjustment) 1) Test Equipment: CA-210 RS-232C COMMAND - Using PDP color temperature, Color Analyzer (CA- [CMD ID DATA] Meaning 210) must use CH 10, which Matrix compensated (White, Red, Green, Blue compensation) with CS- wb 00 00 White Balance adjustment start. 2100. See the Coordination bellowed one. wb 00 10 Start of adjust gain 2) Manual adjustment sequence is like bellowed one. (Inner white pattern) - Turn to “

Summary of the content on the page No. 11

6. Test of RS-232C control. 9. POWER PCB Ass’y Voltage - Press In-Start button of Service Remocon then set the “4.Baud Adjustment Rate” to 115200. Then check RS-232C control and (Va/Vs Voltage Adjustment) (1)Test equipment : D.M.M 1EA (2) Connection Diagram for Measuring : refer to fig.1 7. Selection of Country option. - Selection of country option is allowed only North American model (Not allowed Korean model). It is selection of Country about Rating and Time Zone. (1) Models: All models whic

Summary of the content on the page No. 12

10-3. Temperature Threshold 12. USB DOWNLOAD V Threshold Down Low 20 (*.epk file download) V Threshold Up Low 23 V Threshold Down High 70 V Put the USB Stick to the USB socket V Threshold Up High 75 V Press Menu key, and move OPTION 11. Touch Pen Operating check (Pen touch model only) - applied model : 50PT490B / 50PT490E / 60PZ850B (1) Press Pen mode hot key to insert check mode in POWER ONLY condition. (Green Pen mode key on center of remocon) V Press “FAV” Press 7 times. (2) Pen check mod

Summary of the content on the page No. 13

BLOCK DIAGRAM Copyright ©2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only - 13 - Only for training and service purposes

Summary of the content on the page No. 14

EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. LGE Internal Use Only - 14 - 300 30

Summary of the content on the page No. 15

S7R-Multi(Brazil) S7 IC Configuration IC101-*1 LGE101DC-R [S7R DIVX/MS10] +3.3V_AVDD S7R_BR AE1 W26 NC_48 LVACLKP/LLV6P/BLUE[3] AF16 W25 NC_78 LVACLKN/LLV6N/BLUE[2] AF1 U26 NC_64 LVA0P/LLV3P/BLUE[9] AE3 U25 NC_50 LVA0N/LLV3N/BLUE[8] 1K AD14 U24 R38 NC_45 LVA1P/LLV4P/BLUE[7] READY AD3 V26 NC_34 LVA1N/LLV4N/BLUE[6] PWM0 AF15 V25 +3.3V_AVDD NC_77 LVA2P/LLV5P/BLUE[5] AF2 V24 NC_65 LVA2N/LLV5N/BLUE[4] R33 1K AE15 W24 AD2 NC_62 LVA3P/LLV7P/BLUE[1] Y26 NC_33 LVA3N/LLV7N/BLUE[0] 2G BIT NAND Flash AD16 Y

Summary of the content on the page No. 16

LVDS OUT MINILV FRC PART IC101 LGE101DC-R-1 [S7R DIVX] MUST BE LINE IMPEADANCE 100 OHM !! F1 W2 A_RXCP VIFP F2 W1 A_RXCN VIFM G2 Close to MSTAR INTERNAL_DEMOD A_RX0P INTERNAL_DEMOD R228 100 C259 0.1uF G3 V2 IF_P_MSTAR A_RX0N IP R229 100 C260 0.1uF INTERNAL_DEMOD H3 V1 INTERNAL_DEMOD IF_N_MSTAR A_RX1P IM G1 A_RX1N H1 Y2 C252 0.1uFR246 47 +3.3V_AVDD A_RX2P SSIF/SIFP TUNER_SIF 47 H2 Y1 C253 0.1uFR247 C256 R248 INTERNAL_DEMOD A_RX2N SSIF/SIFM 300 1000pF F5 15pF50V 32.768KHz READY

Summary of the content on the page No. 17

L323 VDDC +1.26V_VDDC BLM18PG121SN1D VDDC IC101 LGE101DC-R-1 [S7R DIVX] C383 C380 VDDC C304 10uF C309 0.1uF C313 C321 C328 C335 C338 C341 C344 C349 C353 16V 16V 16V 16V 16V 6.3V 16V 16V 16V 16V 16V 16V 16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF H11 G18 VDDC_1 GND_1 H12 H9 VDDC_2 GND_2 H13 H10 VDDC_3 GND_3 H14 H18 VDDC_4 GND_4 H15 H19 VDDC VDDC_5 GND_5 +1.26V_VDDC +1.26V_MIU1VDDC J12 J10 VDDC_6 GND_6 L321 J13 J17 VDDC_7 GND_7 BLM18SG121TN1D J14 J18 VDDC_8 GND_8 J15 J19

Summary of the content on the page No. 18

17V POWER Wafer 18P MLB-201209-0120P-N2 Stand-by (5V_ST --> +3.3V ST) L511 C524 L501 C522 +5V_ST 68uF 0.1uF 35V 120-ohm 50V P501 P500 3A +5V_ST +3.3V_ST IC506 READY +5V SMAW200-H18S1 SMAW200-H18S1 +3.3V +5V --> +3.3V AZ1085S-3.3TR/E1 IC500 R502 C504 C502 EAN58801701 C508 C505 10K INPUT OUTPUT 100uF 3 2 10uF AP2121N-3.3TRE1 +3.3V 0.1uF 10uF 11 22 +5V 16V L507 10V READY 16V 16V READY L509 C539 1 R520 C544 C545 C549 33 44 3A 120-ohm VIN VOUT 3 2 0.1uF 1K 22uF 0.1uF 0.1uF ADJ/GND 2A 55 66 +3.3V_ST 1

Summary of the content on the page No. 19

V BRAZIL DEMODULATOR +3.3V EXTERNAL_DEMOD +3.3V_DE L609 MLB-201209-0120P-N2 EXTERNAL_DEMOD READY READY C691 C692 C693 C694 C695 10uF 0.1uF 0.1uF 0.1uF 0.1uF 16V 16V 6.3V 16V 16V EXTERNAL_DEMOD EXTERNAL_DEMOD IC600 +1.2V_DE KIA1117ST00 R602 10 OUT IN 2 3 R2 1 GND/ADJ R601 R1 +1.2V_DE 1.2K R633 22 +3.3V_DE FE_TS_VLD EXTERNAL_DEMOD R632 22 C697 C652 FE_TS_SYN 10uF 10uF EXTERNAL_DEMOD EXTERNAL_DEMOD EXTERNAL_DEMOD EXTERNAL_DEMOD EXTERNAL_DEMOD R631 22 6.3V 6.3V FE_TS_SERIAL EXTERNAL_DEMOD C690 R630

Summary of the content on the page No. 20

THERMAL ST Audio AMP +3.3V R705 10K READY R708 0 C READY R704 10K 19 18 B Q700 AMP_MUTE EAPD/OUT4B OUT3A/FFX3A READY 2SC3052 READY E 20 17 TWARN/OUT4A OUT3B/FFX3B C703 21 16 R709 0.1uF 0 VDD_DIG_1 CONFIG 50V C707 22 15 0.1uF GND_DIG_1 VDD 50V AC_DET 23 14 R710 22 JP701 R702 PWRDN GND_REG 2.2 L700 24 13 R726 C719 C723 10.0uH VDD_PLL OUT1A 20 0.22uF 1000pF R706 50V 50V 2K C705 25 12 C717 C700 680pF FILTER_PLL GND1 C708 0.1uF 1uF 25V 0.22uF C701 50V C714 50V 16V C720 C724 4 4700pF C709 0.1uF 50V 33


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