Service manual

ManualsBrandsZenith ManualsTVZ32LC6D - 720p LCD HDTV

LCD MONITOR TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LP92C

MODEL : M197WAP

M197WAP-PMM

North/Latin America http://aic.lgservice.com

Europe/Africa http://eic.lgservice.com

Asia/Oceania http://biz.lgservice.com

Internal Use Only

P/NO : MFL63261606(1002-REV00) Printed in Korea

Summary of content (33 pages)

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Internal Use Only North/Latin America Europe/Africa Asia/Oceania http://aic.lgservice.com http://eic.lgservice.com http://biz.lgservice.com LCD MONITOR TV SERVICE MANUAL CHASSIS : LP92C MODEL : M197WAP M197WAP-PMM CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICATION ........................................................................................6 ADJUSTMENT INSTRUCTION ...............................................................14 TROUBLE SHOOTING ............................................................................
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PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING • There are some special components used in LCD monitor that are important for safety. These parts are marked on the schematic diagram and the Exploded View It is essential that these critical parts should be replaced with the manufacturer’s specified parts to prevent electric shock, fire or other hazard.
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SERVICING PRECAUTIONS 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. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1.
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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. When working with boards using the familiar round hole, use the standard technique as outlined in paragraphs 5 and 6 above. Removal 1.
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SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. the adjustment. 1. Application Range. This spec sheet is applied to the 47 cm(18.5 inch) LCD Monitor TV used LP92C chassis. 3.1 Performance : LGE TV test method followed. 3.2 Demanded other specification Safety : CE, IEC specification, UL6500 EMC : CE, IEC, FCC Part 15Class A/ B 2. Specification Each part is tested as below without special appointment 2.
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4. Module Specification 1) LGD LM185WH1_TLF7 ( P/N : EAJ60989201) No Item Specification Unit 1 Type TFT Color LCD Module 2 Diagonal Size 18.51 inches (470.1mm) diagonal 3 Active Display area 413.4(H) x 234.0(V) mm 4 Outline Dimension 430.4(H) x 254.6(V) x 13.0(D) mm 5 Aspect Ratio 16:9 6 Pixel Number 1366 x RGB x 768 pixel 7 Pixel Pitch 0.30(H) x 0.30(V) mm 8 Color arrangement RGB vertical Stripe 9 Color Depth 16.
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5. General Specification 5.1 TV No Item Specification 1 Market Central and South America 2 Broadcasting system NTSC Remarks PAL-M PAL-N 3 Receiving system BAND NTSC VHF 2 ~ 13 UHF 14 ~ 69 CATV 1 ~ 125 4 Receiving system Upper Heterodyne 5 Component Input (1EA) Y/Cb/Cr 6 CVBS Input (1EA) PAL, SECAM, NTSC 4 System(Rear) :PAL50, SECAM, NTSC, PAL60 7 RGB Input RGB-PC Analog(D-SUB 15Pin) 8 HDMI Input (1EA) HDMI1-DTV/PC HDMI version 1.
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5.2 RGB - PC No Item Specification Remarks 1 Supported Sync. Type Separate Sync.(RGB), Digital(DVI) 2 Operating Frequency Analog Horizontal Vertical 56 ~ 61 Hz Digital Horizontal 30 ~ 61kHz Vertical 56 ~ 61 Hz Analog Max. 1366x768 @ 60Hz Recommend 1360x768 @ 60Hz Max.
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6. Chroma & Brightness 18.5” LCD Module (for more details, refer to the module spec.) No. 1 Item Specification Viewing Angle[CR>10] 2 Luminance Min. Typ. Max. Right/Left 70/70 85/85 - Up/Down 60/70 75/85 Luminance (cd/m2) 180 250 Variation(%) 75 3 Contrst Ratio CR 4 Color Coordinates [CIE1931] White 600 RED Green Blue WX Remark CR >10 Min/ Max Full white/Full black 1000 0.313 WY Typ. 0.329 Typ. Xr -0.03 0.644 +0.03 RGB Yr 0.335 Vivid, 6500K Xg 0.
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7. SET Optical Feature 7.1 PC Mode (-Mode : Outgoing condition, Input signal : 100IRE White pattern(Pattern #4 : MSPG series)) No Item module 1 19” inch - Luminance (cd/m2) C/R(min) Min Typ Max Min Typ 180 250 - 700:1 71000:1 Remark RGB DFC 30000:1 7.
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9. RGB Input ( PC ) No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) 1 640*480 31.469 59.94 25.175 2 800*600 37.879 60.317 40.0 3 1024*768 48.363 60.0 65.0 4 1280*720 47.77 59.85 74.5 5 1360*768 47.71 60.02 85.5 Remark 10. HDMI Input (DTV) No. Resolution H-freq(kHz) V-freq(Hz) 60.00 Pixel clock(MHz) 13.514 Proposed 1 720*480 15.75 SDTV, DVD 480I(525I) 2 720*480 15.73 59.94 13.500 SDTV, DVD 480I(525I) 3 720*576 15.625 50.00 13.
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11. Mechanical specification No. 1. Item Product Dimension Before Packing Content Length(D) Height(H) mm 454.7 193.2 362.8 mm 517 403 135 mm After Packing 2. 3. Product Only SET 3.5 Kg Weight With BOX 4.8 Kg Container Individual or Loading Palletizing Quantity 20ft Wooden Indi. Wooden 1037 810 2159 1800 Detachable ( Base detachable) Size(W x D x H) 271.2x 193.2x 108.4 Stand Tilt Degree -5~15 degree Assy Tilt force 0.8~3.5kgf Swivel Degree Remark 40ft Indi.
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ADJUSTMENT INSTRUCTION 1. Application This document is applied to LP92C chassis 19” LCD Monitor TV which is manufactured in Monitor Factory or is produced on the basis of this data. Adjustment method The input methods are same as other chassis.(Use IN-START Key on the Adjust Remocon.) F L W9 1 A L P L L 2 2 F H D Main V1.00 HDCP 0 FUTT XX Tool Option 1 37000 Tool Option 2 112 Area Option 20 2.
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4.2.1 Preliminary steps (1) Download method 1 (PCB Assy) (4) Read and write bin file Click ”(1)Read” tab, and then load download file(XXXX.bin) by clicking “Read”. (2) Connect the download jig to D-sub jack 4.2.2 Download Steps (1) Execute ‘ISP Tool’ program in PC, then a main window will be opened (5) Click “Auto(2)” tab and set as below (6) click “Run(3)”. (7) After downloading, check “OK(4)” message. (2) Click the connect button and confirm “Dialog Box”.
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4.3. ADC Process - Adjust by commanding AUTO_COLOR_ADJUST. 4.3.3.2 Confirmation - We confirm to address “0xF3 (offset), 0xF4 (gain)” in page “0x0E” of EEPROM the value is “0xAA’ or not. - If the value is not “xAA”, we adjust once more. - We can write the ADC values from “0x06~0x0B” addresses in a page “0x0E”. 4.3.1 ADC calibration * MSPG-925 - Component: series Model : 216 (720P@60Hz) - RGB: Model : 60(1024X768@60Hz) 4.3.2 PC input ADC 4.3.2.
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5. EDID (The Extended Display Identification Data ) / DDC(Display Data Channel) download 5.5.1. RGB EDID Data 1) M197WAP * ** *** * Caution 1: Use the proper cables below for EDID Writing * Caution 2: Write EDID data to EEPROM by using DDC2B Protocol. 5.1 Profile : To be possible for plug and play 5.2 Equipment 1) Adjusting PC with S/W for writing EDID Data.(S/W : EDID TESTER Ver.2.5) 2) A Jig for EDID Download 3) Cable : D-sub 15Pin cable, HDMI cable. For Analog EDID **** 5.5.2.
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- Maintain the DDC adjustment mode with same condition of Heat-run -> Maintain after AC off/on in status of Heat-run pattern display) 6.HDCP(High-Bandwidth Digital Contents Protection) * confirmation * Before HDCP Download, you have to Set the Configuration that CMD delay. -> Configuration -> Option-> I2C delay(Write Byte : 0.5 ms, Read Byte : 0.5ms, Read CMD Byte : 0.5ms) * Change the DDC -> After Write Data delay Time 20ms * Check the Communication Clock -> 45KHz.
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7.3. Adjustment of White Balance for Manual Adjustment • Color analyzer(CA110, CA210) should be used in the calibrated ch by CS-1000(LCD : CH9) • Operate the zero-calibration of the CA-100+ or CA-210, then stick sensor to the module when adjusting. • For manual adjustment, it is also possible by the following sequence. * Display and Sound check is executed by Remote controller 9.
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EXPLODED VIEW IMPORTANT SAFETY NOTICE 121 300 120 510 200 500 530 540 A2 LV1 800 810 400 900 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.
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