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TCL L32M9HD Service Manual
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TCL L32M9HD Service Manual

TCL L32M9HD Service Manual

Mt62b la chassis
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SERVICE MANUAL
MT62B LA Chassis L32M9HD
1
Caution
2 Specification
3 Alignment Procedure
4 Schematic Diagram
5 Trouble Shooting
6 PCB Layout
ACCESSORIES
1. Explode View Diagram
2. BOM LIST
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product
TCL
2
6
7
18
33
34
36
37

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Summary of Contents for TCL L32M9HD

  • Page 1 SERVICE MANUAL MT62B LA Chassis L32M9HD Caution 2 Specification 3 Alignment Procedure 4 Schematic Diagram 5 Trouble Shooting 6 PCB Layout ACCESSORIES 1. Explode View Diagram 2. BOM LIST This manual is the latest at the time of printing, and does not...
  • Page 2 SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 EM BUSINESS CENTER FTV PRODUCT MANAGEMENT DEPT. SPECIFICATION RELEASE Version: V0.1 Issued Date: 2009.9.15 Model: L32M9HD PICTURE Panel Size (inch) 32" Category LCDTV Aspect Ratio 16:9 Color Temperature Warm / Normal / Cool SIGNAL FORMAT CAPABILITY Backlight Adjustable Component Video Format...
  • Page 7 Factory Alignment Specification TCL WW R&D FPD CENTER Factory Alignment Specification Chassis MT62B-LA Version V0.1 PREPARED BY : Eric Chen DATE : 2010-04-06 APPROVED BY : DATE : TestAlignmentSpecification for MT62B-LA.doc (Page 1 of 11)

  • Page 8: Revision History

    Factory Alignment Specification Disclosure The information contained in this document is proprietary to TCL SZ FPD lab and shall not be disclosed by the recipient to third persons without the written permission of the team leader or GM of R&D.
  • Page 9 Factory Alignment Specification MT62B-LA chassis is a LA LCD platform with ISDB-T, the main chip is from Mediatek (MTK5362 series) and supports below inputs: One analog and digital mixed RF (PAL-M /N, NTSC-M, ISDB-T) One Side AV input One Side S-Video input Two CMP (Support from 480i up to 1080p) One VGA Three HDMI (Support 480i/p, 576i/p, 720p up to 1080i/p.

  • Page 10: Functional Test

    Factory Alignment Specification 1.2. Download software Download latest release MCU_SW into the Standby CPU (U3) with WT_MCU_ISP SW tool. See Appendix “How to download MCU SW”. Download latest release SW into the flash using MTK SW tool. See Appendix “How to download FLASH SW”. Or download the SW from USB port. 1.3.

  • Page 11: Adc Calibration

    Factory Alignment Specification 1.6. HDCP Test For HDCP compliancy, it’s needed to check whether the HDCP key has been well set. 2. Final Assembly Alignment 2.1. Entering to “Factory Menu” To enter into Factory Menu in case of “Factory Hotkey” is disabled, please to follow below steps : - P ress Remote Control key “MENU”...
  • Page 12 Factory Alignment Specification Three kinds of color temperature: Normal, cool and warm, should be adjusted separately. Color Coordinate Note: The appendix is just a template; every lot the relative offset is different. We need to align 5 sets first to get the relative offset data every lot. TestAlignmentSpecification for MT62B-LA.doc (Page 6 of 11)
  • Page 13 Factory Alignment Specification 3. “Factory Menu” Definition System Item Sub-item Value Remarks OFF hotkey is invalid Factory Hotkey Off/On hotkey (blue key) is availability OFF display according signal Warm Up Off/On display burning picture if no signal On: Enter power on mode System Power On Mode On/Standby/Last...
  • Page 14 Factory Alignment Specification Item Sub-item Value Remarks White Source YPbPr Press “OK” key to run Balance /VGA/HDMI/ TV/AV /S-VIDEO Color temperature Cool RGB gain range is 0-255 /Standard The value of Warm and cool is the offset of /Warm Normal mode, their range is -128 127, if the offset value beyond the boundary set to max or min value White Balance Init...
  • Page 15 Factory Alignment Specification Item Sub-item Value Remarks Brightness _0 Brightness Curve Brightness _25 Brightness _50 Brightness _75 Brightness _100 Other Item Sub-item Value Remarks Param Back Light Setting Phase 6) Version Info SW version information Item Sub-item Value Remarks Version Project Serial-port IR Alignment Version...
  • Page 16 Factory Alignment Specification Appendix “How to download MCU SW” Prepare WT_MCU_ISP SW tool for update. 1. Connect the PC to the chassis using MCU updating tool on P6. 2. Power on the chassis. 3. Start “Weltrend MCU ISP.exe” and download the MCU SW. (please see file Visio-ISPToolGuide_ver090.pdf) Appendix “How to download FLASH SW”...
  • Page 17 Factory Alignment Specification Appendix The following IC should be pre-copied before SMT process: TestAlignmentSpecification for MT62B-LA.doc (Page 11 of 11)
  • Page 18 BT3904 R150 IR_MCU DD-MM SBU : R454 TCLNO: DD-MM BC847B ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif CHECKED PAGE: ...
  • Page 19 LO = > POWER OFF TCLNO: R147 DD-MM HI = > NORMAL ..... TCL Thomson Electronics Ltd. DD-MM LO=> OC B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong OSCL2 DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx By Ada.Du Index-Lab DATE...
  • Page 20 DVSS65 DVSS66 DVSS67 MT5362 DD-MM SBU : TCLNO: DD-MM TCL Thomson Electronics Ltd....DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM Tel +86-755-3331xxxx Fax +86-755-3331xxxx By Ada.Du DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 21 C101 R293 0.1U 0.1U DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong By Rockie DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 22 RX2_CB DD-MM RX2_C RX2_C 0.1U RX2_0B RX2_0B ..... TCL Thomson Electronics Ltd. RX2_0 DD-MM RX2_0 RX2_1B B Building, TCL Tower, Nanhai Road RX2_1B RX2_1 Nanshan District, Shenzhen, Guangdong RX2_1 RX2_2B AE10 DESIGNATION DD-MM RX2_2B Tel +86-755-3331xxxx Fax +86-755-3331xxxx RX2_2 AF10...
  • Page 23 C358 AN99 DD-MM SBU : C359 AP99 TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION By Ada.Du Last modif...

  • Page 24: Vga Connector

    R243 VGASDA_IN 100R VGASDA C374 DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx Index-Lab DATE NAME DESCRIPTION Last modif DRAWN CHECKED PAGE: ...
  • Page 25 SCART 2(Half SCART) -- CVBS+SV -- Monitor OUT SCT2_AUR_OUT DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM Tel +86-755-3331xxxx Fax +86-755-3331xxxx By Ada.Du DRAWN Index-Lab DATE...

  • Page 26: Spdif Out

    Near Connector HPDET# DD-MM SBU : PHONE_L TCLNO: PHONE_R DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx Index-Lab DATE NAME DESCRIPTION Last modif DRAWN CHECKED PAGE: ...
  • Page 27 R506 33R GPIO2 CI_GPIO2 C145 100P SBU : DD-MM DD-MM TCLNO: ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...

  • Page 28: Digital Amp

    Connect AMP gnd with tuner gnd L703 OUT2B 22UH DD-MM SBU : DD-MM TCLNO: ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 29 CI_MOSTRT TS_VALID_OUT TCLNO: CI_MOVAL TS_D0_OUT DD-MM CI_MDO0 ..... TCL Thomson Electronics Ltd. DD-MM MT5362 B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx By Ada .Du DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 30 DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DESIGNATION DD-MM By Ada.Du Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif CHECKED PAGE: ... DD-MM-YY...
  • Page 31 C171 C457 100U 100U R519 DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif CHECKED PAGE: ...
  • Page 32 C448 MP1482 0.1U COMP MP1482 DD-MM SBU : TCLNO: DD-MM ..... TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif CHECKED PAGE: ...

  • Page 33: Other Information

    Chapter 4 Other Information Troubleshooting Most problems you encounter with your TV can be corrected Ghost by consulting the following troubleshooting list. Ghosts are caused by the television signal following two paths. No picture, no sound One is the direct path, the other is reflected from tall buildings, hills, or other objects.