LG 32HIZ22 Service Manual
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LG 32HIZ22 Service Manual

LG 32HIZ22 Service Manual

Chassis: lp62f
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LCD TV

SERVICE MANUAL

CHASSIS : LP62F
MODEL : 32HIZ22
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
32LC2RHA-ZH
R
website:http://biz.LGservice.com

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Summary of Contents for LG 32HIZ22

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : LP62F MODEL : 32HIZ22 32LC2RHA-ZH CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS....................2 SAFETY PRECAUTIONS ................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION..............11 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................22 EXPLODED VIEW..................24 EXPLODED VIEW PARTS LIST ..............25 REPLACEMENT PARTS LIST ..............26 SVC. SHEET ....................- 2 -...

  • Page 3: Safety Precautions

    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 Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards.

  • Page 4: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
  • Page 5 IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.

  • Page 6: Specification

    SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method This specification is applied to LP62F chassis. 1) Performance : LGE TV test method followed 2) Demanded other specification 2. Requirement for Test Safety : CE, IEC Specification EMC : CE, IEC Testing for standard of each part must be followed in below...

  • Page 7: General Specification

    5. General Specification Item Specification Remark Panel 32”, 37", 42" TFT WXGA LCD Frequency range H : 31 ~ 61Khz, V : 56 ~ 75Hz PC Input Control Function 1) Contrast/Brightness 2) H-Position / V-Position 3) Tracking : Clock / Phase 4) Auto Configure 5) Reset Component Jack...
  • Page 8 6. Model Specification Item Specification Remark Market Broadcasting system PAL BG/I/DK, SECAM Available Channel BAND VHF/UHF C1 ~ C69 CATV S1 ~ S47 Receiving system Upper Heterodyne SCART Jack(2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60...
  • Page 9 8. RGB Input ( PC ) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock(MHz) Remarks 720 x 400 31.469 70.08 28.32 640 x 480 31.469 59.94 25.17 VESA(VGA) 640 x 480 37.500 75.00 31.50 VESA(VGA) 800 x 600 37.879 60.31 40.00 VESA(SVGA) 800 x 600 46.875 75.00 49.50...
  • Page 10 Indi Wooden Indi Wooden Stand Assy Type Attached ( detachable ) Size( W x D x H ) 488.2 Tilt Degree Without Tilt function Tilt force Swivel Degree Swivel Force Appearance General Refer to Standard of LG(55)G1-1020 - 10 -...

  • Page 11: Adjustment Instruction

    1. Application Range 4.1. EDID Data This spec. sheet is applied to all of the LP62F chassis(H3- Item Data Condition High) manufactured at LG TV Plant all over the world. Manufacturer ID 1E6D Version Digital : 1 Revision Digital : 3 2.

  • Page 12: White Balance

    5. ADC Calibration 4) It is very import to use correct adjustment pattern like Fig.1. - Within the pattern, color sequence should be aligned AV ADC Condition Component DVI(RGB) : White-Yellow-Cyan-Green-Magenta-Red-Blue-Black (If color sequence is reversed (Black -> ... -> White), NTSC Model : 217 Model : 3...
  • Page 13 * Test Equipment 2) AUO Module Color Analyzer (CA-110) Data PC(For communication through RS-232C) Command1 Command2 Set ID =>UART Baud rate : 115200 Pattern Generator (MSPG-925FA etc.) Input Select R-Gain *Target Value [ PSM: Standard(ZH/TH), CSM: Normal] G-Gain - Normal(9300K±1000K) x:283±0.015, y: 298±0.015 - Luminance(Y) B-Gain AV/COPM : Min.
  • Page 14 7.2. Detail list of SVC option data Adjustment SET ID VAL Remark WHITE BALANCE “J”(A~F) RED GAIN 0~99 0~3F 0:0, 3F:3F, FF : the state marking SYS. GREEN GAIN 0~99 0~3F 0:0, 3F:3F, FF :the state marking Option 1 Option 2 Option 3 Option 4 Option 5...
  • Page 15 8. Shipping Conditions Item Condition Remark Power Volume Level Main Picture Input Main Last Channel Pr 01 Mute 16 : 9 Station Auto Programme Manual Programme Programme Edit Favorite Programme None Picture Dynamic Dynamic Contrast Brightness Colour Sharpness Normal Auto Advanced Reset Sound...

  • Page 16: Troubleshooting

    TROUBLESHOOTING 1. No power Start check 6. Check the VSC low pressure output It is Doesn’t Is the Interface identical with power the screen whole signal operated? off condition? come out? Doesn’t the VSC Low pressure output come out? 2. Check the Interface signal 1.
  • Page 17 2. VSC Board 2-1. No Power (1) Symptom 1) Minute discharge doesn’t occur at module. 2) Front LED doesn’t come into action (2) Check follow Is the Power Cord Plug in Power Cord plug in ? Is the Line Filter and PSU Connect Cable (SC100) connected? Is the...
  • Page 18 2-2. No Raster - LCD (1) Symptom 1) Does’t minute discharge at module. 2) It maintains the condition where the front LED is normal. (2) Check follow 'Inverter_On' Is the inverter Is the Inverter Signal is High of 5 Check the Power board. 24V on power board On or Off in P1000 on Main...
  • Page 19 2-3. In case of occur strange screen into specific mode 2-3-1. In case of doesn’t display the OSD (1) Symptom 1) LED is White 2) The minute discharge work continuously (2) Check follow Is the LVDS Is the LVDS cable Replace cable.
  • Page 20 2-3-2. In the case of doesn't work normally at specific input mode (1) Symptom - The screen doesn't work normally at specific input mode (RF, AV, Component, RGB, HDMI) (2) Check follow 1) Check the all input model if all input display normally. 2) Check the PIP and Double Window if it display normally.(Re-Check it Swap) (3) In case of unusual situation from RF mode Is normal...

  • Page 21: In Case Of No Sound

    (5) When set doesn't display normally at Component, RGB mode Is the Input voltage, IIC Is the IC800 Replace IC800. Communication and HV normal? sync normal? (6) In the case of becomes unusual display from HDMI mode Is the Input voltage, IIC Is the IC1200 Replace IC1200.

  • Page 22: Block Diagram

    BLOCK DIAGRAM - 22 -...
  • Page 23 MEMO - 23 -...

  • Page 24: Exploded View

    EXPLODED VIEW - 24 -...

  • Page 25: Exploded View Parts List

    EXPLODED VIEW PARTS LIST DESCRIPTION PART NO. ACQ30347116 Cover Assembly 32LC2RH-ZJ LP61D 32” C/A ASSY Commercial SET ACQ30347122 Cover Assembly 32LC2RH-ZJ LP61D 32” C/A ASSY Commercial C/SKD EAJ32763001 LCD,Module-TFT LC320W01-SL18 WXGA 32INCH 1366X768 500CD COLOR 72% 16/9 3809900159A Cover Assembly 32LC2R-ZJ NON HURRICANE3 3809900159F Cover Assembly 32LC2R-ZJ NON HURRICANE3 C/SKD 3043900026B...

  • Page 26: Replacement Parts List

    REPLACEMENT PARTS LIST DATE: 2007. 02. 23. LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION CAPACITORs C1041 0CE476WF6DC MVK6.3TP16VC47M 47uF 20% 16V 80MA -40TO+10 C1044 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 * C100 0CH6330K416 C2012C0G1H330JT 33p 5% 50V C0G -55TO+125C C1045...
  • Page 27 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C1090 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 C1154 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 C1091 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C1155 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C1092 0CE476WF6DC...
  • Page 28 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C127 0CE106SH6DC VMV106M025S0ANB010 10uF 20% 25V 20MA -40TO C149 0CE227SF6DC MVG6.3TP16VC220M 220uF 20% 16V 130MA -40TO C1270 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C150 0CK102CK56A 0603B102K500CT 1nF 10% 50V X7R -55TO+125C C1271 0CK103CK56A...
  • Page 29 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C2209 0CE476WK6DC MVK8.0TP50VC47M 47uF 20% 50V 170MA -40TO+1 C356 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 C221 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C357 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C2210 0CK104CK56A...
  • Page 30 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C463 0CE475WK6DC MVK5.0TP50VC4.7M 4.7uF 20% 50V 19MA -40TO+ C834 0CE106WFKDC MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10 C464 0CE475WK6DC MVK5.0TP50VC4.7M 4.7uF 20% 50V 19MA -40TO+ C834 0CK226FF67A EMK325BJ226MM-T 22uF 20% 16V X5R -55TO+85C C469 0CK104CK56A...
  • Page 31 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C885 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 C939 0CK104CK56A 0603B104K500CT 100nF 10% 50V X7R -55TO+125 C886 0CE106WFKDC MVK4.0TP16VC10M 10uF 20% 16V 16MA -40TO+10 C940 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R -55TO+125C C887 0CK104CK56A...
  • Page 32 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D1002 0DS226009AA KDS226 1.2V 85V 300MA 2A 4NSEC 150MW SOT23 D1004 0DS226009AA KDS226 1.2V 85V 300MA 2A 4NSEC 150MW SOT23 IC1000 0IPRPML001A MIC39100 2.3TO26V 0 0W SOT223 R/TP 5P MIC D1004 0DS226009AA KDS226 1.2V 85V 300MA 2A 4NSEC 150MW SOT23...
  • Page 33 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION Q104 0TR102009AM KRA102S PNP -30V 0V -50V -0.1A -0.0000005A AR803 0RZZH033273 MNR04M0ABJ330 33OHM 5% 1/16W 4 SMD R/TP 8P Q105 0TR102009AM KRA102S PNP -30V 0V -50V -0.1A -0.0000005A AR804 0RZZH033273 MNR04M0ABJ330 33OHM 5% 1/16W 4 SMD R/TP 8P...
  • Page 34 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1021 0RJ2002D677 MCR03EZPJ203. 20KOHM 5% 1/10W 1608 R/TP R R1203 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM R1022 0RJ1000D677 MCR03EZPJ101 100OHM 5% 1/10W 1608 R/TP RO R1207 0RJ1001D677 MCR03EZPJ102 1KOHM 5% 1/10W 1608 R/TP ROH...
  • Page 35 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R137 0RJ0822D677 MCR03EZPJ820 82OHM 5% 1/10W 1608 R/TP ROH R1803 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10W 1608 R/TP RO R138 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM R1807 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10W 1608 R/TP RO...
  • Page 36 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1891 0RS0470K607 RSD02T3JR470 0.47OHM 5% 2W 12.0X4.0MM NONE R248 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM R198 0RJ0822D677 MCR03EZPJ820 82OHM 5% 1/10W 1608 R/TP ROH R2800 0RJ4701D677 MCR03EZPJ472 4.7KOHM 5% 1/10W 1608 R/TP R...
  • Page 37 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R347 0RJ1000D677 MCR03EZPJ101 100OHM 5% 1/10W 1608 R/TP RO R441 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM R348 0RJ1201D677 MCR03EZPJ122 1.2KOHM 5% 1/10W 1608 R/TP R R442 0RJ1001D677 MCR03EZPJ102 1KOHM 5% 1/10W 1608 R/TP ROH...
  • Page 38 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R545 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM R848 0RH0202D622 MCR10EZHJ200 20OHM 5% 1/8W 2012 R/TP ROHM R545 0RJ0102D677 MCR03EZPJ100 10OHM 5% 1/10W 1608 R/TP ROH R849 0RJ0562D677 MCR03EZPJ560 56OHM 5% 1/10W 1608 R/TP ROH...
  • Page 39 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R905 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM L102 0LCML00020G Inductor,Multilayer,Chip MLI-201209-3R3K 3.3UH R906 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM L1020 6210TCE001G Filter,Bead HH-1M3216-501JT 500OHM R907 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W 1608 R/TP ROHM...
  • Page 40 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L1407 6210TCE001S Filter,Bead HU-1M2012-121 120OHM P101 6602T20009C SMAW200-04P 4P 2.00MM 1R ANGLE DIP ST NATU L1408 6140VR0008A Inductor,Wire Wound,Chip SLF12575T-330M3R2 33UH P102 6602T12002D 53261-0590 5P 1.25MM 1R ANGLE SMD TP BEIGE L1409 6140VR0008A Inductor,Wire Wound,Chip SLF12575T-330M3R2 33UH...
  • Page 41 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D1003 0DL233309AC LED,Chip SAM2333 RED/Y-GREEN 2.7V 2.8V 30mA D101 6301900002B LED Display Module CLOCK3 Rev1.0 WHITE 4V 20MA D1103 0DL233309AC LED,Chip SAM2333 RED/Y-GREEN 2.7V 2.8V 30mA IC100 6712SCA232A Receiver Module TSOP34838SO1 2.7TO5.5V 1.5MA...
  • Page 45 Feb., 2007 P/NO : MFL36483003 Printed in Korea...

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