Benutzeranleitung / Produktwartung 37LC2D(B) des Produzenten LG Electronics
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R LCD TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD61A F ACTOR Y NAME : 32LC2D(B)-EC/37LC2D(B)-EC/42LC2D(B)-EC MODEL : 32LC2D(B)/37LC2D(B)/42LC2D(B) website:http://biz.LGservice.com e-mail:http://www.
- 2 - CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICA TION ................
- 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n t h e Schematic Diagram and Replacement Parts List.
- 4 - CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.
- 5 - IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC.
- 6 - SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1.General Specification(TV) No Item Specification Remark 1.
- 7 - 2. General Specification No Item Specification Remark 1 Panel 32", 37", 42" TFT WXGA LCD 2 Frequency range H : 31 ~ 61Khz PC Input V : 56 ~ 75Hz 3 Control Function 1) Contrast/Bri.
- 8 - 3.Optical Feature(LCD Module) 4.Component Video Input (Y, P B , P R ) No Specification Proposed Resolution H-freq(kHz) V-freq(Hz) 1. 720x480 15.73 60 SDTV, DVD 480i 2. 720x480 15.63 59.94 SDTV, DVD 480i 3. 720x480 31.47 59.94 EDTV 480p 4. 720x576 15.
- 9 - 5. RGB PC INPUT Mode Table No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Analog RGB, Digital RGB 1 720x400 31.468 70.8 28.321 2 640x480 31.469 59.94 25.17 VESA 37.684 75.00 31.5 VESA 3 800x600 37.879 60.31 40.00 VESA 46.875 75 49.
- 10 - 7. HDMI INPUT Mode Table 8. HDMI DTV Mode Table No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Analog RGB, Digital RGB 1 720x400 31.468 70.8 28.321 2 640x480 31.469 59.94 25.17 VESA 37.684 75.00 31.5 VESA 3 800x600 37.879 60.31 40.
- 11 - 8. Mechanical specification <Table 1> Scart Arrangement 1.(Full Scart) Pin Signal Signal Level Impedance 1 Audio Output B (right) 0.5 Vrms < 1 ㏀ 2 Audio Input B (right) 0.5 Vrms > 10 ㏀ 3 Audio Output A (left) 0.5 Vrms < 1 ㏀ 4 Ground (audio) - - 5 Ground (blue) - - 6 Audio input A (left) 0.
- 12 - <Table 2> Scart Arrangement 2.(Half Scart) Pin Signal Signal Level Impedance 1 Audio Output B (right) 0.5 Vrms < 1 ㏀ 2 Audio Input B (right) 0.5 Vrms > 10 ㏀ 3 Audio Output A (left) 0.5 Vrms < 1 ㏀ 4 Ground (audio) - - 5 Ground (blue) - - 6 Audio input A (left) 0.
- 13 - ADJUSTMENT INSTRUCTION 1. Application Range This spec. sheet is applied to all of the LD61A chassis manufactured at LG TV Plant all over the world. 2. Specification. 2.1 Because this is not a hot chassis, it is not necessary to use an isolation transformer.
- 14 - 3) Connect RS232 cable(Use Download Jig and general RS- 232C Twisted Serial Cable). *Before upgrading "Hudson flash memory", push the switch on the download jig ‘inside’. 4) Operate LGIDS. 5) Select "Hurricane" and "ALL" on Model dialog and check your connection in Communication dialog.
6.1 Adjustment of RF/AV/S-VIDEO * Required Equipments - Remote controller for adjustment - MSPG-925F Pattern Generator (Which has Video Signal: 100% Color Bar Pattern shown in Fig. 1) => Model: 202 / Pattern: 33 Case1) EC and FC model use PAL-BGDHI (composite signal) 6.
- 16 - SVC REMOCON NO KEY FUNTION REAMARK 1 POWER 2 POWER ON 3 MUTE 4 P-CHECK 5 S-CHECK 6 ARC 7 CAPTION 8 TXT 9 TV/AV 10 TURBO SOUND 11 TURBO PICTURE 12 IN-START 13 ADJ 14 MPX 15 EXIT 16 APC(PSM) 17 A.
- 17 - TROUBLESHOOTING No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Change the Tuner Correct the circuit RF Power Error Is the Set ON? Is the input cable attached? What is the input signal mode? Check Vout Signal at pin 9.
- 18 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Replace Jack board AV1 Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 19 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Replace Jack board AV2 Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 20 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Replace Jack board AV3 Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 21 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Replace Jack Board S-Video Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 22 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace CXA2069 Correct the circuit Attach the input cable(s) Replace Jack Board AV4 Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 23 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace IC505 Replace STi5100 Power Error Attach the input cable(s) Replace Tuner DTV Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 24 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Replace IC301 Power Error Attach the input cable(s) Replace Jack Board Component Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 25 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Power Error Replace Jack Board Attach the input cable(s) RGB Check the Condition of all Connectors, wafers, I2C In the system.
- 26 - No image Push the POWER ON key Check for S/W error Replace Cortez Replace Hudson Power Error Power Error Replace SiI9011 Attach the input cable(s) Check outside connections HDMI Power Error Check the Condition of all Connectors, wafers, I2C In the system.
- 27 - No Audio Push the POWER ON key Replace the MSP Power error or replace CXA2069 Power Error Check the interfacing ciruit of AV1,2,3 and AV4/S-Video accordingly w.
- 28 - No Audio Push the POWER ON key Replace the MSP Power error or replace IC605(TC74LCX157) Power Error Check the interfacing ciruit of HDMI or replace STi5100 accordingly w.
- 29 - No Audio Push the POWER ON key Replace the MSP Power Error Check the interfacing ciruit of Analog Tuner, component and PC audio accordingly w.r.t the mode. Check the Condition of all Connectors, wafers, I2C In corresponding Signal flow? Check the supply voltage 8V across L403 Check audio output at MSP across R429-431.
BLOCK DIAGRAM(Main) - 30 - TDFB-G236P DVB/PAL 8b it(656),27M Hz,I2S STi5100 CI SLOT TS IN CI TS 74LCX244 Tuner TS MUX 3 State Buffer 3state-cont rol SPDIF out 8b it(656),27M Hz,I2S DTV out VLR FFC Waf.
- 31 - BLOCK DIAGRAM(Jack) CXA2069Q AUDIO/VI DEO SW MSP4410K Sound processor NSP-2110A Digital s ound pro cessor VLR TV_out V SCART RGB VLR, YC DTV V_out MNT_VLR PC_RGB YPbPr Co m ponent Ja ck Audio_L.
- 32 - EXPLODED VIEW(32LC2D) 010 020 050 120 140 030 160 040 150 110 080 090 100 070 060 060 130.
- 33 - EXPLODED VIEW P ARTS LIST(32LC2D) No. PART NO. DESCRIPTION ACQ30347104 Cover Assembly, 32LC2D-EC . 32" 51SF, BK 1TONE(197), LGEMA PHANTOM ACQ30347106 Cover Assembly, 32LC2DB-EC LB61A 32&qu.
- 34 - EXPLODED VIEW(37LC2D) 010 020 050 130 150 030 170 040 160 120 090 100 11 0 071 070 080 060 080 140.
- 35 - EXPLODED VIEW P ARTS LIST(37LC2D) No. PART NO. DESCRIPTION ACQ30192605 Cover Assembly, 37LC2D-EC LP62A 37" LGEMA PAHNTOM CABINET ASSY ACQ30192606 Cover Assembly, 37LC2DB-EC LP62A 37" .
- 36 - EXPLODED VIEW(42LC2D) 010 020 050 060 060 050 070 080 130 150 030 160 040 120 090 100 11 0 140.
- 37 - EXPLODED VIEW P ARTS LIST(42LC2D) No. PART NO. DESCRIPTION 30919E0047G Cover Assembly, 42LC2D BRAND 30909E0028 EC C/SKD 30919E0047L Cover Assembly, 42LC2DB BRAND 30909E0028 EC C/SKD 6304FLP363A.
- 38 - DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION # # # C100 0CE106WFKDC MVK4.0TP16VC10M 10uF 20% 16 C1000 0CE477WF6DC MVK10TP16VC470M 470uF 20% 1 C1005 0CE477WF6DC MVK10TP16VC470M 470uF 20% 1 C1007 0CE107WF6DC MVK6.3TP16VC100M 100uF 20% C1009 0CE107WF6DC MVK6.
- 39 - DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C832 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 C833 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 C834 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 C835 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 C836 0CE226WF6DC MVK5.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C152 0CK104CF56A 0603B104K160CT 100nF 10% 16 C1523 0CK103CK56A 0603B103K500CT 10nF 10% 50V C1525 0CK104CK56A 0603B104K500CT 100.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C885 0CK104CK56A 0603B104K500CT 100nF 10% 50 C886 0CK104CK56A 0603B104K500CT 100nF 10% 50 C887 0CK104CK56A 0603B104K500CT 100nF.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C190 0CK103CK56A 0603B103K500CT 10nF 10% 50V C191 0CK822CK46A 0603B822J500CT 8.2nF 5% 50V C192 0CK822CK46A 0603B822J500CT 8.2nF 5% 50V C195 0CK475CC94A C1608Y5V0J475ZT 4.7uF -20TO C196 0CK475CC94A C1608Y5V0J475ZT 4.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D1106 0DS226009AA KDS226 1.2V 85V 300MA 2A 4N D1107 0DS226009AA KDS226 1.2V 85V 300MA 2A 4N D1110 0DS226009AA KDS226 1.2V 85V 300MA 2A 4N IC306 0IPRP00602B TPS2011ADR 2.7TO5.5V 20MSEC IC102 0ISTLPH026A 74LVC14APW 1.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L511 6210TCE001G HH-1M3216-501JT 500OHM 3.2X L512 6210TCE001G HH-1M3216-501JT 500OHM 3.2X L513 6210TCE001G HH-1M3216-501JT 500OHM 3.2X L516 6210TCE001G HH-1M3216-501JT 500OHM 3.2X L517 6210TCE001G HH-1M3216-501JT 500OHM 3.
- 45 - DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1819 0RJ0512D677 MCR03EZPJ510 51OHM 5% 1/10W R1821 0RJ0512D677 MCR03EZPJ510 51OHM 5% 1/10W R1824 0RJ0512D677 MCR03EZPJ5.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R944 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R949 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R950 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R152 0RJ0472D677 MCR03EZPJ470 47OHM 5% 1/10W R154 0RJ0472D677 MCR03EZPJ470 47OHM 5% 1/10W R155 0RJ1002D677 MCR03EZPJ103 10KOHM .
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R548 0RJ2000D677 MCR03EZPJ201 200OHM 5% 1/10 R549 0RJ2000D677 MCR03EZPJ201 200OHM 5% 1/10 R550 0RJ2000D677 MCR03EZPJ201 200OHM .
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R900 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10 R903 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R904 0RJ0000D677 MCR03EZPJ000 0OHM 5% .
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C145 0CK104CK56A 0603B104K500CT 100nF 10% 50 C154 0CC221CK41A C1608C0G1H221JT 220pF 5% 50 C155 0CC221CK41A C1608C0G1H221JT 220p.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C435 0CK474CH94A 0603F474Z250CT 470nF -20TO+ C437 0CC101CK41A C1608C0G1H101JT 100pF 5% 50 C444 0CK103CK56A 0603B103K500CT 10nF .
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L408 0LCTO00019A D75C-646CY-220M=P3 22UH 20% L409 0LCTO00019A D75C-646CY-220M=P3 22UH 20% L410 0LCTO00019A D75C-646CY-220M=P3 2.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R188 0RJ6801D677 MCR03EZPJ682 6.8KOHM 5% 1/1 R189 0RJ4701D677 MCR03EZPJ472 4.7KOHM 5% 1/1 R197 0RJ0000D677 MCR03EZPJ000 0OHM 5%.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R564 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R565 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R596 0RJ4701D677 MCR03EZPJ472 4.
DATE: 2006. 05. 18. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION SW104 140-313A THVV501BBC 1C1P 12VDC 0.05A SW105 140-313A THVV501BBC 1C1P 12VDC 0.05A SW106 140-313A THVV501BBC 1C1P 12VDC 0.05A SW107 140-313A THVV501BBC 1C1P 12VDC 0.05A SW108 140-313A THVV501BBC 1C1P 12VDC 0.
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May., 2006 Printed in Korea P/NO : 38289S0043.
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