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TCL LED28B2500 Service Manual
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TCL LED28B2500 Service Manual

TCL LED28B2500 Service Manual

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L28B2500-MS306D-LA
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BOM list ... ...　 ...　 ... 　...　 　... ... 　... 　... 　... 　... 　...　 ... 　...　 ... 　 ... 　　... 　... 　　...　　 ...　　 ... 　　... 　　... 　　 ... 　　 ...

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Summary of Contents for TCL LED28B2500

  • Page 1 L28B2500-MS306D-LA ………………………………………………………………………… …………………………………………………………………… ………………………………………………………… ………………………………………………………………… …………………………………………………………… ……………………………………………………………… BOM list … …　 …　 … 　…　 　… … 　… 　… 　… 　… 　…　 … 　…　 … 　 … 　　… 　… 　　…　　 …　　 … 　　… 　　… 　　 … 　　 …...
  • 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 TCL MULTIMEDIA LCD TV SPECIFICATION RELEASE Version: V1.0 Issued Date: 2013.04.10 Model: LED28B2500/MS306D-ISDB-T LA PICTURE Panel Size (inch) 28" Category LCD TV Aspect Ratio 16:9 Color Temperature Medium/Warm/Cool SIGNAL FORMAT CAPABILITY Backlight Adjustable Component Video Format Y,Pb/Cb,Pr/Cr:up to 1080P Scaler Mode...

  • Page 7: Alignment Procedure

    第 1 页共 11 页 文件编号：CRT/SJ/FK02-2013 TCL 集团多媒体电子全球运营本部 序号： TOT 设计中心 Alignment Procedure MS306C/D Series （MODEL） ： VERSION：V1.0 PREPARED BY : gongjunzan DATE : 2013-04-28 APPROVED BY : DATE :...

  • Page 8: Factory Menu

    第 2 页共 11 页 History Description of major changes Release Date V1.0 2013-04-28 1.Overview MS306C/D chassis is designed for Asia Pacific/South America market. Both Full HD panel and HD panel can be compatible. The signal sources include TV,AV,YPBPR/YCBCR,VGA,HDMI USB. YPBPR,HDMI source ,Format up to 1080p can be supported;...
  • Page 9 第 3 页共 11 页 4-WHITE BALANCE White Balance data adjustment（refer as follow） The balance data is set by PE before the mass production. Do not need adjust. 5-SHOP Reset after production alignment;(This operation will remove all unnecessary factory value; The factory hotkey will be turn off) 6-NVM reset System initialization.
  • Page 10 R-OFFSET G-OFFSET G-OFFSET B-OFFSET B-OFFSET WB INIT ONLY FOR TCL R&D The first step is to adjust HDMI. 3.Design Menu 1、Methods of Entering： Method 1： Using the remote, enter the “Picture” submenu in the OSD; choosing the “contrast” item and press the 1,9,5,and 0 in series ,Design Menu will appear in the left top of screen.
  • Page 11 第 5 页共 11 页 3-SHOP INIT Default setting submenu after production alignment refer to ** 4-OTHER Other set .Only for TCL R&D 5-SERVICE After service menu description MENU 6-PARAM Parameter setting submenu SETTING 7-HOTEL adjust） Hotel submenu（not MENU SHOP INIT submenu...

  • Page 12: Service Menu

    第 6 页共 11 页 DBC adjust DBC ENABLE DBC MODE MIU DQS0 MIU DQS1 PARAM SET SETTING ITEMS Default Description Status Setting Brightness Brightness curve. Exclusively used by R&D Curve Contrast Contrast curve. Exclusively used by R&D Curve Saturation Saturation curve.
  • Page 13 第 7 页共 11 页 Chassis MS306 Chassis name PANEL NAME P/N of panel PROJECT ID Project Select submenu CONFIG Project Select submenu USB UPDATE USB UPDATE HOTEL ENABLE HOTEL MENU SWITCH ReloadEFBItem Only for factory adjust CONFIG submenu ITEM Default Description Status...
  • Page 14 第 8 页共 11 页 initialize the set. Note: After step 9, Hotel Menu will be disabled by default. Therefore, if the order requires hotel function, it is necessary to enable hotel function by set Design MENU->Service Menu->HOTEL ENABLE to ON. 5.2.
  • Page 15 第 9 页共 11 页 5.4. White Balance adjustments (Manual) Before adjustment ,you must make sure the ADC status(only PC and YPbPr) “success”and Color Analyzer been calibrated .Only AV1,YPbPr,PC,HDMI1 need to be adjusted. HDMI1 should be the first. 5.4.1. Signal and generator The pattern of the signal should be used are White (Chroma2329 pattern 113) and Grey (pattern 114).

  • Page 16: Chip List Of Software Programming Before Smt

    The process of adjusting ADC and White Balance automatically is out of the range of this file, Please refer to the relevant technical file of HuiZhou factory of TCL. 6.Chip list of software programming before SMT Following chips must be programmed before SMT by tools...
  • Page 17 第 11 页共 11 页 4) Press the right or left button of the remote to select the ID you want; 5) After ID selection, press MENU button of the remote to exit DESIGN MENU. 6) Finally, do AC power on/off.
  • Page 18 MODEL: DESCRIPITION: DRAWN: DATE: 2012-10-3 gongjz CHECK: DATE: 2012-10-15 APPR: DATE: MS1306 CHASSIS WW R&D CENTER TCL MULTIMEDIA TECHNOLOGY HOLDING LTD. 5TH FLOOR.TCL BUILDING.SOUTH NANHAI ROAD NANSHAN DISTRICT.SHENZHEN.GUANGDONG 518067 CHINA TEL:+86 755 33312403 NOTE: ... PAGE: FORMAT DIN A4...
  • Page 19 24V TO12V CIRCUIT MAIN POWER SOCKET R899 P_ON/OFF 100R 12V TO 5VAIN CIRCUIT +12V ZBL-ON/OFF1 R813 C801 NC_4 +12V +24V/12V NC_4 0.1U R847 ZBL-ON/OFF NC_4 100R R814 L803 P_ON/OFF ZDIM2 P-ON/OFF ZDIM1 10UH 100K +12V +3V3STB NC_4 U800 NC_4 P800 NC_4 C803 +12V...
  • Page 20 HDMI 2 CENNECT0R HDMI 1 CENNECT0R H0_5V H1_5V ZH05V ZH1_5V ZH0GND ZHGND R903 R910 R901 R902 R904 R908 R909 R911 R905 R912 Q902 GND5 R906 HDMI_HP0 Q901 GND5 HDMI_HP1 HDMI0_SDA BT3904 HDMI1_SDA BT3904 R913 22R DDCDA HDMI0_SCL DDCDA 22R R907 HDMI1_SCL DGND DDCCLK...
  • Page 21 SIDE AV1 IN AV1 IN VGA Input ZAV1GND R917 VGA_VS VGA_VS R974 AV_AURIN0 R918 MINI_R AV_AURIN0 P904 ZVGND VGA_HS VGA_HS 560P R919 R920 R976 C924 R975 WHITE DGND ZVHS ZVVS 560P AV_AULIN0 MINI_L AV_AULIN0 R977 C925 R978 YELLOW DGND AV-CVBS0P R921 MINI_V RGB0_PB+...
  • Page 22 P201 DGND +3V3STB DGND DGND AVDD_DDR_1V8 RXO0+ RXO0- DGND RXE3+ RXE3+ LVDS_SEL RXE3- RXO1+ RXO1- R230 4K7 RXE3- R231 RXEC+ RXO2+ RXEC+ RXO2- RXEC- RXEC- BIT_SEL R232 RXOC+ RXOC- R233 0R RXE2+ RXE2+ RXE2- RXO3+ RXO3- RXE2- RXE1+ RXO4+ RXO4- RXE1- RXE1+ RXE1-...
  • Page 23 AMP CIRCUIT +24V/12V V_AUDIO R618 100K D601 R602 U601 C609 C608 R619 0BAV99 1000P 0.1U C601 PVCCL2 +3V3STB V_AUDIO L601 C610 R620 FAULT PVCCL1 R625 22UH 0.22U AMP_L 100R L601A C632 OUTLP LINP BSPL 220R/NC R603 BT3906 C633 C611 0.1U Q601 LINN OUTPL...
  • Page 24 DEMOD CIRCUIT VCC3V3 CONFIG VCC3V3 VCC3V3 THE IC FOR MSB101A CONFIGURE VCC3V3 RESET ZDFVCC XTAL TS_CLK R109 ZDFCSZ TSCLK ZDFGND ZDFDO ZDFWP U102 R110 R108 TS_VLD TSVLD R106 MSPI_CSZ NC/10K R104 MSPI_DO R111 TS_SYNC TSSYNC ZDFCLK HOLD R112 R113 R102 XTAL_OUT C139 R105...
  • Page 25 Trouble shooting 1、 Can not switch on： no switch on Check 3.3V/12V/24V of power supply Check PW Only 3.3V Check signal P—ON， Check DC-DC DIMBL—ON of main IC link part,check to PW Check the peripheral circuit of mail IC,check solder of Check reset Check IIC bus main IC,check data fo NVM...
  • Page 26 2、abnormal picture ： Abnormal picture Individual signal source All signal source bad Check the path with this Check panel ID？ signal source Check LVDS signal to main Check the peripheral circuit IC？check LVDS cable? of mail IC,updating SW,reset NVM,replace main IC Check crystal frequence？...
  • Page 27 3、 Abnormal sound： Abnormal sound Individual sound Check all sound signal source source Check the sound signal Check sound IC link to main IC Check the power of Check the peripheral Check wave filter and sound IC circuit of main IC,SW speaker？...
  • Page 28 H3-28B250SKS-PE0 LED28B2500/MS306D-LA/CS2GTA/TT E3 V1 parent child description BOM text H3-28B250SKS-PE0 06-520W37-C002X RCT NO LOGO BLACK 3V 0.3A 0.000003A 1137 H3-28B250SKS-PE0 T8-28B250KS-IR1 ASS'Y - IR BD T8-28B250KS-IR1 02-IRR002-XX2 IR RECEIVER 38KHZHZ 5V TXZOZ HS0038B4 T8-28B250KS-IR1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2...
  • Page 29 T8-MS06KS-MA1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2 Q901 T8-MS06KS-MA1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2 Q902 T8-MS06KS-MA1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2 Q801 T8-MS06KS-MA1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2 Q104 T8-MS06KS-MA1 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT2...
  • Page 30 T8-MS06KS-MA1 19-AB0332-FTX SMD.RES 3.3K OHM 1/10W +/-1% 0603 R835 T8-MS06KS-MA1 19-AB0333-FTX SMD. RES 33K OHM 1/10W +/-1% 0603 R818 T8-MS06KS-MA1 19-AB0333-JTX RES. SMD 33K OHM 1/10W 0603 R967 T8-MS06KS-MA1 19-AB0471-JTX SMD. RES 470 OHM 1/10W +/-5% R629 T8-MS06KS-MA1 19-AB0472-JTX RES SMD 4.7K OHM 1/10W 0603 R841 T8-MS06KS-MA1 19-AB0474-JTX...
  • Page 31 T8-MS06KS-MA1 19-GA0103-JTX SMD. RES 10K OHM 1/16W +/-5% R842 T8-MS06KS-MA1 19-GA0103-JTX SMD. RES 10K OHM 1/16W +/-5% R828 T8-MS06KS-MA1 19-GA0103-JTX SMD. RES 10K OHM 1/16W +/-5% R919 T8-MS06KS-MA1 19-GA0103-JTX SMD. RES 10K OHM 1/16W +/-5% R108 T8-MS06KS-MA1 19-GA0103-JTX SMD. RES 10K OHM 1/16W +/-5% R107 T8-MS06KS-MA1 19-GA0103-JTX...
  • Page 32 T8-MS06KS-MA1 19-GA0330-JTX SMD. RES 33 OHM 1/16W +/-5% R923 T8-MS06KS-MA1 19-GA0330-JTX SMD. RES 33 OHM 1/16W +/-5% R921 T8-MS06KS-MA1 19-GA0330-JTX SMD. RES 33 OHM 1/16W +/-5% R922 T8-MS06KS-MA1 19-GA0330-JTX SMD. RES 33 OHM 1/16W +/-5% R105 T8-MS06KS-MA1 19-GA0333-JTX SMD. RES 33K OHM 1/16W +/-5% R829 T8-MS06KS-MA1 19-GA0393-JTX...
  • Page 33 T8-MS06KS-MA1 19-GA0750-JTX SMD. RES 75 OHM 1/16W +/-5% R926 T8-MS06KS-MA1 19-GA0750-JTX SMD. RES 75 OHM 1/16W +/-5% R122 T8-MS06KS-MA1 19-GA0750-JTX SMD. RES 75 OHM 1/16W +/-5% R123 T8-MS06KS-MA1 19-GA0750-JTX SMD. RES 75 OHM 1/16W +/-5% R925 T8-MS06KS-MA1 19-GA0752-JTX R-SMD 7.5KOHM +/-5% 1/16W 0402 - R612 T8-MS06KS-MA1 19-GA0752-JTX...
  • Page 34 T8-MS06KS-MA1 28-AB0104-ZFX CAP.CER,SMD 100N0F 50V DCV 0603 - C102 T8-MS06KS-MA1 28-AB0104-ZFX CAP.CER,SMD 100N0F 50V DCV 0603 - C919 T8-MS06KS-MA1 28-AB0220-JCX CAP.CER,SMD 22PF 50.0V 0603 - +/-5% R=Y C903 T8-MS06KS-MA1 28-AB0220-JCX CAP.CER,SMD 22PF 50.0V 0603 - +/-5% R=Y C904 T8-MS06KS-MA1 28-AB0220-JCX CAP.CER,SMD 22PF 50.0V 0603 - +/-5% R=Y C902 T8-MS06KS-MA1...
  • Page 35 T8-MS06KS-MA1 28-BB0105-ZFX CAP.CER,SMD 1U0F 50V DCV 0805 - C106 T8-MS06KS-MA1 28-BB0224-KBX CAP.CER,SMD 220N0F 50V DCV 0805 - C620 T8-MS06KS-MA1 28-BB0224-KBX CAP.CER,SMD 220N0F 50V DCV 0805 - C619 T8-MS06KS-MA1 28-BB0224-KBX CAP.CER,SMD 220N0F 50V DCV 0805 - C610 T8-MS06KS-MA1 28-BB0224-KBX CAP.CER,SMD 220N0F 50V DCV 0805 - C621 T8-MS06KS-MA1 28-BC0225-ZFX...
  • Page 36 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C131 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C241 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C253 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C249 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C231 T8-MS06KS-MA1 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 -...
  • Page 37 T8-MS06KS-MA1 33-NLL220-MTX IND-SMD 0.1OHM 40 1.7A SMD VLC6045T L604 T8-MS06KS-MA1 33-YLL100-MTX SMD.COIL 10uH NR8040T100M L803 T8-MS06KS-MA1 33-YLL220-MTX COIL. 22U NR8040T220M L804 T8-MS06KS-MA1 35-392170-00X FERR.COIL BF-I35050C-683 L800 T8-MS06KS-MA1 45-OSC24M-0Y2 CRYSTAL 24MHZ X201 T8-MS06KS-MA1 45-OSC24M-0Y2 CRYSTAL 24MHZ X101 T8-MS06KS-MA1 46-40336W-04XG CONN PH 4 2.0MM FEMALE R P204 T8-MS06KS-MA1 46-40336W-05XG...
  • Page 38 T8-28B250K5-FC1 59-731110-000 RAW BUFFER 28B2500 0 0 R=Y 贴于前壳上 T8-28B250K5-FC1 59-731120-000 RAW BUFFER 28B2500 0 0 R=Y 贴于前壳左 T8-28B250K5-FC1 63-B30060-BF4G SCREW 固定接收板 T8-28B250K5-FC1 T8-28B250K5-FC1Z ASS'Y - FRONT CABINET ART T8-28B250K5-FC1Z 55-730330-0HX9A DEC FRONTPANEL D10 01 8G 00 R=N T8-28B250K5-FC1Z 56-725510-0HC21 PAI LENS IR L32F3300B -- 00 00 00 R=Y T8-28B250K5-FC1 89-604792-JZH SUNDRIES-FILM SELF ADHESIVE FILM...
  • Page 39 T8-28B250KG-BS1Z 56-730390-0HA6R DEC STAND BASE PLATE -- 00 00 00 R=N T8-28B250KG-BS1 89-604792-JZ06 SUNDRIES-FILM 0.05X250 SELF ADHESIVE FIL FOR STAND T8-28B250KG-BS1 89-604820-JZ0 PROTECTING LABEL 55mm H3-28B250SKS-PE0 V6-PROJECT-ID001 SOFTWARE PROJECT ID: 01 H3-28B250SKS-PE0 71-BAR030-0A0 PRI LABEL TCL WHITE & BLACK R=Y FOR CTV...