Liquid Crystal Display Television Service Manual Chassis： MT5331 Product Type：DLT-26H1 DLT-32H1 Ver 1.0 Otc.
LCD TV Service Manual Contents Contents................................................................................................................................................................- 2 Service Manual ....................................................................................................................................................- 3 1. Precautions and notices...................................................................................................................
LCD TV Service Manual Service Manual 1. Precautions and notices BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER. Proper service and repair is important to the safe, reliable operation of manufacture’s Equipment. The service procedures recommended by The manufacture and described in this Service Guide are effective methods of performing service operations.
LCD TV Service Manual serviceman that uses a service procedure or tools, which are not recommended by the manufacture, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected. 1.1 WARNING 1.1.1 Critical components having special safety characteristics are identified with a by the Ref. No. in the parts list.
LCD TV Service Manual make sure that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. 1. Never replace modules or other components while the unit is switched on. 2. When making settings, use plastic rather than metal tools. This will prevent any short circuits and the danger of a circuit becoming unstable. 1.1.
LCD TV Service Manual (1) Do not touch Signal and Power Connector while this product operates. Do not touch EMI ground part and Heat Sink of Film Filter. (2) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire. (3) Do not use this product in locations where the humidity is extremely high, where it may be splashed with water, or where flammable materials surround it.
LCD TV Service Manual (9) If the power cable is damaged, or if the connector is loose, do not use the product: otherwise, this can lead to fire or electric shock. (10) If the power connector or the connector of the power cable becomes dirty or dusty, wipe it with a dry cloth. Otherwise, this can lead to fire. (11) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
LCD TV Service Manual measuring equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker. • When installing the LCD module in, and removing it from the packing carton, be sure to have at least two persons perform the work.
LCD TV Service Manual thereby ensuring that they are not damaged and their materials do not deteriorate over long periods of time. Therefore, route the cables and fix the cables to the original position and states using the wire clamps. • Perform a safety check when servicing is completed. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing.
LCD TV Service Manual 2. Product Function Specifications 2.
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LCD TV Service Manual 2.2 Specifications Native Resolution: Color System: Sound System: Tuner: Antenna: Stereo: VIDEO INPUT: SCART-1 (Video and RGB) SCART-2 (Video) Audio in COMPONENT Audio in PC INPUT: VGA Audio in MONITOR OUT Audio/Video Output Power Requirement 1366×768 Pixels (corresponding to WXGA) PAL/SECAM B/G, D/K, I, L/L’ VHF/UHF:48.25~863.25MHz 75ΩVHF/UHF input NICAM/A2 Video: 1 Vp-p, negative sync, 75Ω input RGB: 0.
LCD TV Service Manual Allowable temperature of operation environment ACCESSORIES Operating Instructions Remote Control Unit Power Lead Dry Cell Battery 0℃ to 40℃ 1 1 1 2 NOTE: Specifications and design are subject to possible modifications without notice due to improvements。 Confidential - 14 -
LCD TV Service Manual 3. LCD Panel 3.1 DLT-26H1 V260B1- L01/L03 is a TFT Liquid Crystal Display module with 12-CCFL Backlight unit and 1ch-LVDS interface. The display diagonal is 26”. This module supports 1366 x 768 WXGA format and can display 16.2M colors (6-bits+FRC colors). The inverter module for backlight is built-in.
LCD TV Service Manual V260B1-L01 (PN: 1039693) CHI MEI Note (1) Connector Part No.: JAE,FI-X30SSL-HF or compatible Note (2) high: Normal, Ground or OPEN: JEIDA LVDS format Note (3) Reserved for internal use. Please leave it open.
LCD TV Service Manual V260B1-L03 (PN: 1047168) CHI MEI Note (1) 5.5 LVDS INTERFACE Note (2) Connector Part No.: JAE, FI-X30SSL-HF or Compatible Note (3) Reserve for internal use. Must be opened, if GND/High will cause abnormal display. (But it will not cause panel damage) Pin10: Reserve pin (no function) Pin27: Aging mode function (H: enable, L: disable) Pin28: Flicker adjustment (H: enable, L: disable) Note (4) The impedance of option pin is 50K ohm.
LCD TV Service Manual 3.2 DLT-32H1 LC320WX3-SLC1 (PN: 1044669) LG. Philips The LC320WX3 is a Color Active Matrix Liquid Crystal Display with an integral External Electrode recent Lamp (EEFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally black mode. It has a 31.51 inch diagonally measured active display area with WXGA resolution (768 vertical by 1366 horizontal pixel array).
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LCD TV Service Manual 4. Chassis Layout and Overall Wiring Diagrams 4.1 Chassis Layout DLT-26H1 No Description Part No Type/Model PCB Main BD (Ⅰ) 113436 RSAG2.908.1098\ROH RSAG7.820.1122\VER.C Main BD(Ⅱ) 114698 RSAG2.908.1098-4\ROH RSAG7.820.1122\VER.C (2) Power BD 112817 RSAG2.908.916-9\ROH E/RAG7.820.848A\ROH\VER.C (3) SCART BD 113698 RSAG2.908.1119\ROH RSAG7.820.1135\VER.B (4) Keypad BD 114174 RSAG2.908.1168\ROH 20RSAG7.820.1214\VER.A (5) IR & LED Board 114175 RSAG2.908.
LCD TV Service Manual DLT-32H1 No Description Part No Type/Model PCB (1) Main BD 113542 RSAG2.908.1106\ROH RSAG7.820.1136\VER.A (2) Power BD 112817 RSAG2.908.916-9\ROH E/RAG7.820.848A\ROH\VER.C (3) SCART BD 113544 RSAG2.908.1107\ROH 5RSAG7.820.1121\VER.B (4) Keypad BD 114174 RSAG2.908.1168 20RSAG7.820.1214\VER.B (5) IR & LED Board 114175 RSAG2.908.1169 40RSAG7.820.1213\VER.
LCD TV Service Manual 4.
LCD TV Service Manual DESCRIPTION SPECIFICATION NOTE No 26” TJC2-3Y-100-2\ROH 1 Main Power 2 Back light power to panel 3 Power supply for amplifier 4 32” TJC2-3Y-450-2\ROH 26” HX-5039\ROH 32” HX-3006B350\ROH 26” TJC10T-4Y-250\ROH 32” TJC10T-4Y-250\ROH 5V,12V power and communication 26” TJC10T-14Y-150 between Main BD and power BD 32” TJC10T-14Y-250 26” HX2-2X10NLB200-CMO 5 LVDS signal 6 LED & IR 7 Buttons 8 Audio out put (R/L) 9 Video input connection (SCART 1) 10 Video input conn
LCD TV Service Manual 4.
LCD TV Service Manual DLT-26H1/ DLT-32H1 Location No.
LCD TV Service Manual (3) SCART BD DLT-26H1 DLT-32H1 (4) Keypad BD (5) IR BD Confidential - 26 -
LCD TV Service Manual 5. Factory/Service OSD Menu 5.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode. 2. Press “Menu” button and enter factory OSD menu. 3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu. Press “VOL+”/“VOL-” button adjust values in the menu. b. With user’s RC 1. Power TV On 2. Press Menu button and call up User OSD Menu 3. Select Sound-> Balance 4.
LCD TV Service Manual Set Channel Zhong Shi Huang Dao Gui Yang Liao Ning Hungary Australia France Qingdao Jiangxi Road factory Huangdao Industrial Park Gui Yang Industrial Park Liao Ning Industrial Park HS Hungary HS Australia HS France Auto Color Factory Option To FAC Logo Option Test Time Communication MODE “M” is only used for factory production. Version Info Version Date Note: Software version info of the TV, readable only.
LCD TV Service Manual 5.2.
LCD TV Service Manual Volume Mid Volume 80 Volume Max Audio Mode Audio Mode 120HZ 500HZ 1.
LCD TV Service Manual 6. Software Upgrading The software is upgraded by a burning toll-MtkTool, which can burn the program file *.bin to the main board of the unit. 6.1 Get ready for upgrading 6.1.1 Install the driver Double click the icon , install the driver. Select the default value, the driver will be installed step by step. 6.1.2 Hardware connecting Connect the unit to your pc with a USB-to-serial port cable. USB port connects to your pc, and serial port to the TV’s RS232 port.
LCD TV Service Manual recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture.
LCD TV Service Manual 6.2 Upgrading with the MtkTool MTKtool is a green program needing no installation. It is saved in the folder . There are five folders/files in this folder altogether. The MtkTool using log is restored in the MtkLog folder. It records the running time and date whenever the tool is used. The log will be a txt file named by the date and time. After connecting the TV with your PC, double click icon, open the MtkTool.
LCD TV Service Manual 1 2 3 4 5 6 7 1—Flash chip model (for PLX-4202B and PLX-5002B, it will be MT537X). 2—The port through which the PC communicate with the chip. 3—The communicating baud rate 4—The new program file (*.bin) for upgrading. 5—Click this button can select the *.bin file to be used for upgrading. 6—Click to start upgrading. 7—Information displaying window. Setting the communication port: Open “Device Manager” and find which port is connected with the TV.
LCD TV Service Manual Note: Where or not click the “Auto Set Flash Baud Rate” in the “window” menu depends on Confidential - 35 -
LCD TV Service Manual the chip type. If the flash chip does not support high speed transport, do not select this option; otherwise, reserve the selected mood. For these two units here, click off “Auto Set Flash Baud Rate”. Click “Browse” button (5), find the upgrading program file, and select it. Press “Upgrade” button and start upgrading. The following interface appears on the screen- the word “Finished” shows in the information displaying window, indicating upgrading successfully.
LCD TV Service Manual 7. Troubleshooting 7.
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LCD TV Service Manual 7.8 Other problems Problems: z The image starts to disappear slowly, and turn to be white after a short period of using. z The screen appears distortion and wobbling after the power on. z There are lines shows on the screen after the power on. z Lack of color and picture abnormity. z Half picture displayed on the screen. Please try the following: a. Please check if the connection between the Panel and Main Board is good, if not, please reset or change the cable. b.
LCD TV Service Manual 8.
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A B C D +14V MT5331RAV1.6 MT5331 (PBGA) REFERENCE DESIGN - 4 LAYERS J34 4 3 2 1 +12V +14V R60 0R_NC R-RESC1608N-HX R92 0R_NC R-RESC1608N-HX 4PIN 2.0mm 3 GPIO_82 GPIO_83 GPIO_84 GPIO_79 5,9 GPIO_80 POWER INPUT +5VSB +12V R1 20K R-RESC1608N-HX GND 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 AGND_PLL 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 AGND_AFE 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 AGND_HDMI 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 AGND_LVDS 14pin/2.0mm GPIO_79 R3 4.
A B IN OUT 2 VOUT 4 +5V +5V E U2 AP1513/SOP-8 R-SOIC08N-1.270-6.00-HX or +12V L1 FB R-INDC2012N-HX CE6 220uF/16V M-ED6.3-02.5-HX +5V_TUNER CB8 L71 NS/FB 0.1uF R-INDC2012N-HX R-CAPC1608N-HX + Vcc R18 C1 + CE7 NS/100nF 3K CB9 100uF/16V 0.1uF R-RESC1608N-HXR-CAPC1608N-HX 3 OCSET R-CAPAE-D6.3X5.4-HX R-CAPC1608N-HX R20 100K R-RESC1608N-HX 2 LT1117 R-SOT4N-2.30-7.00-HX DV12 L2 4 6 5 FB 1 27uH/POWER CHOKE R-SLF10145-HX C2 R19 CE9 NS/100nF + 220uF/16V 1.
A B C D E 1,2,9,10,12,13,14,15,16,17 GPIO_4 1,2,4,5,6,7,8,9,10,11,12,13,14,15,16,17 4 +5V_TUNER L12 NS/FB C3 R-INDC2012N-HX + CE39 NS/0.1uF NS/100uF/16V R-CAPC1608N-HX R-CAPAE-D6.3X5.4-HX TUNER_SDAO L13 FB C4 + CE40 R-INDC2012N-HX 0.1uF 100uF/16V R-CAPC1608N-HX R-CAPAE-D6.3X5.4-HX RF_AGC_IN IF_AGC 4 RF_AGC_IN 4 IF_AGC R40 R41 4.7K 4.
A B C D FAT_IN- C16 1nF R-CAPC1608N-HX FAT_IN+ C17 1nF R-CAPC1608N-HX E L18 NS/220nH R-INDC2012N-HX C18 1,2,3,5,6,7,8,9,10,11,12,13,14,15,16,17 NS/47pF C19 C20 R-CAPC1608N-HX 0.1uF 0.1uF R-CAPC1608N-HX R-CAPC1608N-HX 4 Y1 27MHz R-CRYC1405N-HX AVDD33 ALC_IN 3 DVDD18 AVDD33 RN1 1 RF_AGC_IN OUT 2 GND 3 IN+ TS0INDATA7 TS0INDATA6 TS0INDATA5 TS0INDATA4 CB31 0.
5 4 R-RESC1608N-HX R207 75_NS FB2_IN GPIO_3 3 A4P A4N A4P A4N 2 R-RESC1608N-HX 10K R93 R50 10K GPIO_79 1,9 GPIO_80 1,9 1 DV33 N5 N6 P5 P6 R5 R6 E16 E17 E18 F16 F17 F18 L26 M26 N26 P26 AF6 AF7 AF8 AF9 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GN
5 4 DV33SB AV12 3 AV12 2 AV33 1 AV33 L23 AVCC_SRV AVCC_HDMIPLL CB51 0.1uF R-CAPC1608N-HX AVCC_ADCPLL CB52 0.1uF R-CAPC1608N-HX AVCC_VAD0 FB R-INDC1608N-HX CB53 0.1uF R-CAPC1608N-HX C26 CB54 CB55 4.7uF 0.1uF 0.1uF R-CAPC2012N-HXR-CAPC1608N-HX R-CAPC1608N-HX L24 150uH R-INDC3216N-HX 1,2,5,7,9,15 2,10,11,12,14,17 2,5,8 2 2,5 AVCC_AADC C27 CB56 4.7uF 0.
5 4 3 2 1 ORESET# DV33SB DV33 ORESET# D3 1N4148 R-SOD3718N-HX OXTALO R81 10K R-RESC1608N-HX GPIO_0 RN4 10Kx4 R-RESCA3216-8N-HX R82 10K R-RESC1608N-HX 1 2 3 4 J2 27MHz R-CRYC1405N-HX C265 C266 22pF 27pF R-CAPC1608N-HX R-CAPC1608N-HX 2 R85 47K R-RESC1608N-HX R84 NS/4.7K R-RESC1608N-HX Y2 OXTALI R83 Q7 1 2N3904 220 R-RESC1608N-HX R-SOT3N-0.95-2.80-HX 2 1 D R80 1K R-RESC1608N-HX 3 + CE49 100uF/16V R-CAPAE-D6.3X5.4-HX DV33 R968 820K R-RESC1608N-HX 8 7 6 5 CB38 0.
5 4 DV13_DDR RN6 D RWE# RCAS# RRAS# RCS# RA3 RA2 RA1 RA0 RA4 RA5 RA6 RA7 RCKE RA12 RA11 RA9 RA8 RA13 RBA0 RBA1 RA10 RN5 1 2 3 4 4 RN9 3 2 1 4 RN10 3 2 1 8 7 6 5 5 6 7 8 5 6 7 8 MEM_WE# R-RESCA2010-8N-HX MEM_CAS# MEM_RAS# MEM_CS# 22x4 MEM_ADDR3 22x4 MEM_ADDR2 MEM_ADDR1 MEM_ADDR0 R-RESCA2010-8N-HX MEM_ADDR4 22x4 MEM_ADDR5 MEM_ADDR6 MEM_ADDR7 R-RESCA2010-8N-HX MEM_RAS# MEM_CAS# MEM_WE# MEM_ADDR13 MEM_CS# MEM_BA0 MEM_BA1 MEM_ADDR10 MEM_ADDR4 MEM_ADDR5 MEM_ADDR6 MEM_ADDR7 MEM_CLKEN 22 R-RESC1005N-HX ME
5 4 3 2 P2 PODOUTCLK POD_VCC PDD3 PDD4 PDD5 PDD6 PDD7 PDCE1# PDA10 PDOE# PDA11 PDA9 R138 PDA8 0/NS R-RESC1608N-HX PDA13 PDA14POD PDWE# PDIREQ# POD_VPP D PDIOIS16# PODINVALID PODINCLK PDA12 PDA7 PDA6 PDA5 PDA4 PDA3 PDA2 PDA1 PDA0 PDD0 PDD1 PDD2 R171 0/NS R-RESC1608N-HX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 70 1 DV33 GND GND D3 CD1# D4 D11 D5 D12 D6 D13 D7 D14 CE1# D15 A10 CE2# OE# RFSH A11 RFU A9 RFU A8 A17 A13 A18 A14 A19 WE# A20 RDY/BSY
A 2,6,11,12,14,17 R175 100 R-RESC1608N-HX D7 ECVAL160805E20100 C55 R172 NS/10nF NS/10K R-RESC1608N-HX R-CAPC1608N-HX AV_IN 2 2 D104 ECVAL160805E20100 R-INDC1608N-HX 1 S_R_IN S_L_IN 15 S_R_IN 15 S_L_IN C56 R173 NS/10nF NS/10K R-CAPC1608N-HXR-RESC1608N-HX YPBPR1R_IN YPBPR1L_IN 15 YPBPR1R_IN 15 YPBPR1L_IN AV / SV AUDIO INPUT 2 1 C687 NC D8 ECVAL160805E20100 R-INDC1608N-HX C59 SC0 47nF R-CAPC1608N-HX 47nF R-CAPC1608N-HX 2 R970 75 D102 ECVAL160805E20100 R178 100 R-RESC1608N-HX R975 C707 4
A SCT1_R_IN SCT1_R_IN 2 4 6 8 10 12 14 16 18 20 22 SCT1_G_GND GND 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17 AGND_AFE GND SCT1_AVI_GND SCT1_R_GND AGND_AFE AV_IN 2,6,10,12,14,17 AV_SC0_IN SCT1_B_IN AV33 AV33 SCT1_B_IN 1 1 3 5 7 9 11 13 15 17 19 21 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17 D23 LOPIVA16G05A R-INDC1608N-HX 11x2 W/HOUSING M-2P22-2.00X2.
5 4 3 2 AV33 1 11 AV5_scart_avout 2,6,10,11,14,17 ADIN1 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17 AV33 +5V +5V AGND_AFE AGND_AFE D R294 FB2_IN NS/0 R-RESC1608N-HX R295 Q28 1 2N3904 4.7K R-SOT3N-0.95-2.80-HX R-RESC1608N-HX 3 1 D R247 33K R-RESC1608N-HX SCT2_FS_IN 1 SCT2_FB_IN 1,2,3,9,10,13,14,15,16,17 R533 4.
A NEARLY VGA CONNECTOR 16 L41 HSYNC# 13 VSYNC# 14 VGASCL_IN 15 1 GRN FB/80OHM R-INDC1608N-HX D43 1N4148 R-SOD3718N-HX D45 1 2 GRN_GND L42 D46 ECVAL160805E20100 R-INDC1608N-HX R302 BP C110 0 10nF R-RESC1608N-HXR-CAPC1608N-HX FB/80OHM R-INDC1608N-HX BLU_GND 3 RED VGAR_IN VGAR_IN VGAL_IN 1 3 4 2 1 5 L GPIO_8 5,14 GPIO_8 R307 RN C115 0 10nF R-RESC1608N-HXR-CAPC1608N-HX RED_GND VGAL_IN D49 ECVAL160805E20100 R-INDC1608N-HX C116 R308 NS/10nF NS/10K R-RESC1608N-HX R-CAPC1608N-HX D50 EC
A L +5V FB_NS 1 L69 R-INDC2012N-HX D80 1N4148 R-SOD3718N-HX AV33 U50 S1 G1 S2 G2 P-CH 8 7 6 5 D1 D1 D2 D2 AV33_HDMI IRF7314 R-SOIC08N-1.270-6.
A YPBPR0L_IN 10uF C151 10uF SCT2_AUR_IN C152 10uF SCT2_AUL_IN C153 10uF SCT1_AUR_IN C154 10uF SCT1_AUL_IN C155 10uF YPBPR1R_IN C156 10uF YPBPR1L_IN C157 4.7uF S_R_IN C158 10uF S_L_IN C159 10uF AO1BCK AO1LRCK AO1MCLK AO1SDATA4 AO1SDATA3 C127 NS/22pF R-CAPC1608N-HX R370 MUTE# R-RESC1608N-HX A_MUTE R367 1 Q33 2N3904 1K R-SOT3N-0.95-2.
A +12V +5V 1,2,5,6,7,17 R402 47K R-RESC1608N-HX R418 47K/NC R-RESC1608N-HX OPAVREF 1,2,3,9,10,12,13,14,15,17 2 L50 R419 +5V R-RESC1608N-HX +12V 10/NC R413 10 R-RESC1608N-HX + CE110 220uF/16V R403 27K R-RESC1608N-HX C128 220pF R-CAPC1608N-HX AO1AUXR 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17 GND 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17 AGND_AFE U41A 1 OPAV120 CB242 CB243 0.1uF 0.1uF R-CAPC1608N-HX R-CAPC1608N-HX + CE111 10uF/25V R-CAPAE-D4.0X5.
A B C D E DV33_DM 2,4 DV33_DM 2,6,10,11,12,14 1,2,15,16 1,2,3,9,10,12,13,14,15,16 1,2,7,13 4 +12V 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 AGND_LVDS 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 GND +5V 5 5 5 5 5 5 5 5 5 5 R453 R440 R441 R452 0 0 0/NS 0/NS R-RESC1608N-HX R-RESC1608N-HXR-RESC1608N-HX R-RESC1608N-HX + CE180 220uF/16V M-ED8.0-03.5-HX S1 G1 S2 G2 P-CH D1 D1 D2 D2 8 7 6 5 LVDSVDD IRF7314 R-SOIC08N-1.270-6.
