TCL 28D2900 Service Manual
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TCL 28D2900 Service Manual

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SERVICE MANUAL
1. Caution....................................................................................
2. specification..............................................................................
3. Alignment Procedure..................................................................
4．Block diagram...........................................................................
5．Scheme Diagram .....................................................................
6. Troubleshooting........................................................................
This m anual i s t he l atest at t he t ime of pr inting, and doe s not
include the modification which may be made after the printing, by
the constant improvement of product
TCL
28D2900 SI512BP1-AP

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Summary of Contents for TCL 28D2900

  • Page 1 SERVICE MANUAL 28D2900 SI512BP1-AP 1. Caution………………………………………………………………………… 2. specification…………………………………………………………………… 3. Alignment Procedure………………………………………………………… 4．Block diagram………………………………………………………………… 5．Scheme Diagram …………………………………………………………… 6. Troubleshooting……………………………………………………………… This m anual i s t he l atest at t he t ime of pr inting, and doe s not include the modification which may be made after the printing, by...
  • 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 PRODUCT SPECIFICATION RELEASE Model: 28D2900/SI512BP1-AP/CS1GTA Version：1.0 Issued On: 2016-5-5 Basic Information Media Format LCD TV Product Type Music MP3,AC3,AAC-LC,LPCM Flatform: S2-Tek Picture JEPG,JPG software：Linux Divx,MPEG1/2/4,H.264,AVC Chassis PCB Main：TP.S512.PB775 Video Note:For coding files,there are many kinds non-standard Tuner：R840(Rafael Micro） coding method,so this system can not be guaranteed to support the file formats using any coding method.

  • Page 7: Optional Accessories

    Optional Accessories Essential Accessories（Default） Operation Manual English(Default) Wall Mount WMB231 Remote Control and batteries RC260B(TCL LOGO,with two AAA batteries) Base Stand Integrated Packaging AC power cord Adapt Cable Wire For AV Or YPBPR Drafted by:ZHANGLI Approved by: Design and specifications are subject to change without notice!
  • Page 8 Inspection Procedure 文件制订/变更申请单 首次发行 修订 废止 规范类 作业流程 其它 文件名称： TB-QE17-0009 文 件 编 号 ： SIS512工厂菜单说明 总 页 数 : 11页 版次：A/0 SIS512方案 适用范围 修订/变更前要点： 修订/变更后要点： 新制定 一． 会 签 单 位 签核记录详见 BPM 系统： 20130000049210 核 准 审 查...

  • Page 9: Aging Mode

    Rev:A/0 TO ENTER FACTORY MENU Press menu key and follow with key 1,1,4,7 one by one. 1. TCL Factory AT Initialize the TV,and enter P mode，preset factory channel table. 2. Shop Mode Init Initialize the TV and exit P mode.
  • Page 10 SIS512 工厂菜单说明 Rev:A/0 5. ADC SETTING ADC Auto Adjust [ADC]R-Gain Adjust [ADC]G-Gain Adjust [ADC]B-Gain Adjust [ADC]R-Offset Adjust [ADC]G-Offset Adjust [ADC]B-Offset Adjust 6. PICTURE To change Parameters about picture. SOURCE:Select source Picture Mode:To change Parameters for different picture mode. 4.1 PICTURE CURVE Curve Typr：Select Bringhtness、...
  • Page 11 SIS512 工厂菜单说明 Rev:A/0 Usually we only change the OSD_50 item, it is correspond to the brightness of user OSD with the value 50. OSD_100 is correspond to the value 100 of user OSD which is the max brightness. 4.2 WB ADJUST Go to the white balance adjusting page.
  • Page 12 SIS512 工厂菜单说明 Rev:A/0 Seldom used 4.5 VIP（ ） Gamma Table：Enable or disable gamma. Test Pattern：Use the test pattern(like white、red...). Dynamic Contrast: Go to dynamic contrast adjusting page. HDMI RGB Range: Select HDMI RGB range: Auto、SD、and HD. Color Matrix：Select Color Matrix:Auto、SD and HD. Dithering Level：Select Dithering Level:Auto、Off、Level1、Level2 and Level3.

  • Page 13: Sound Setting

    SIS512 工厂菜单说明 Rev:A/0 4.8 SVD Setting(SVD only use in ATV、AV mode) Brightness:Adjust brightness in decoder. Contrast：Adjust contrast in decoder. LDLY:Adjust LDLY in decoder Filter：Select Filter. 4.9 PC Preset Auto Adjust: Do auto adjust in PC mode. H Position：Adjust Horizontal position. V Position: Adjust vertical position.
  • Page 14 SIS512 工厂菜单说明 Rev:A/0 5.2 VOLUME CUREV Volume Curve：Go to volume curve adjusting page. Volume Curve HP: Go to headphone Volume curve adjusting page. 5.3 VOLUME CURVE Vol Curve :1 -100:Adjust speaker volume gain. Volume Curve HP： Adjust headphone volume gain. 5.4 PRESCALE &...

  • Page 15: Power Limit

    SIS512 工厂菜单说明 Rev:A/0 5.6 Input Vol. Linout FixGain Adjust Line out value in all source. 5.7 POWER LIMIT PLC:Power limit control Sp Attack:Speaker output limit. Hp Attack:Headphone output limit. Lo Attack:AV out limit. 5.8 EQ Setting EQ Mode： Select EQ mode, include Rock、 Pop、Jazz、user、off.

  • Page 16: Block Diagram

    Current:Max 1525mA 1V0_M BLOCK DIAGRAM DCDC Current:Max 50mA 3V3_STB S2T512 Current:Max 460mA 3V3_M Current:Max 280mA 1V5_DDR DDR3 Current:Max 2600mA 5V_STB 5V_M DCDC 5V +/-5% @ 500mA WPM2341 3V3_Tun 220mA T2+T+C TUNER 110mA S2 TUNER PVCC PANEL WPM3407 12V_AMP 1.2A 13V/18V 500mA DCDC LNB_PW UB802...
  • Page 17 POWER CB118 CB120 RB125 RB126 RB151 DB120 RB124 RB127 RB152 TB101 ZB103 Vbridge DB102 CB119 CB114 CB115 DB103 TP-TDT EB2 EB3 ZB104 CYB1 DB110 RB141 SGND CB117 T3.15AH 250V~ CYB4 SGND RB128 RB142 GND1 DB106 BB101 RB129 RB101 DB111 Vbridge QB101 RB102 DB101...
  • Page 18 功率电感 ,Power Inductor,4.7uH,±20%,2.8A,0.35×1P,DR5.8×4.5,SMD,CD54-4.7uH,wenshan 功率电感 0ohm-0402-±5%-1/16W ,Power Inductor,4.7uH,±20%,2.8A,0.35×1P,DR5.8×4.5,SMD,CD54-4.7uH,wenshan 0.1uF-0402-X5R-±20%-16V 0ohm-0402-±5%-1/16W 0.1uF-0402-X5R-±20%-16V TEST PVCC VCC_PANEL 5V_STB NC/10uF-0805-X5R-±20%-16V 1V0_M TEST 10uF-0805-X5R-±20%-16V 4.5V~18V INPUT VFB = 0.6V 1uF-0402-X5R-±20%-16V 4.5V~18V INPUT 500KHZ VFB = 0.6V CD10 CD12 CD11 500KHZ CD36 CD37 CD13 CD14 PANEL_EN 4K7ohm-0402-±5%-1/16W SYH112ADC 47Kohm-0402-±5%-1/16W SYH113ADC...
  • Page 19 NC/330ohm-0402-±5%-1/16W SCART_VIN CVBS2_IN SCART_Gin Y1_IN NC/330ohm-0402-±5%-1/16W SC_LOUT/ SC_LOUT CN12 AVLC18S02003 AVLC18S02003 SC_ROUT 56pF-0402-NPO-±5%-50V 75ohm-0402-±5%-1/16W SC_RIN SC_ROUT/ SC_ROUT NC/0ohm-0402-±5%-1/16W 150ohm-0402-±1%-1/16W 150ohm-0402-±1%-1/16W SC_LOUT NC/0ohm-0402-±5%-1/16W 0.22uF-0402-X5R-±10%-16V 0.047uF-0402-X7R-±10%-16V CS10 AGND BGND RS16 LIN&Bin SC_LIN SCART_Bin SCART1_FUNSEL CS12 CS11 RS11 RS12 SWTCH SC_RIN SC_RIN/ SCART_Bin PB1_IN GGND CLKOUT...
  • Page 20 1Mohm-0402-±5%-1/16W HDMIA_5V 10Kohm-0402-±5%-1/16W 1Mohm-0402-±5%-1/16W HDMIB_5V 22pF-0402-NPO-±5%-50V 47Kohm-0402-±5%-1/16W 22pF-0402-NPO-±5%-50V 5V_STB 10Kohm-0402-±5%-1/16W 22pF-0402-NPO-±5%-50V 22pF-0402-NPO-±5%-50V 47Kohm-0402-±5%-1/16W 68ohm-0402-±5%-1/16W RH15 RH16 68ohm-0402-±5%-1/16W 68ohm-0402-±5%-1/16W 68ohm-0402-±5%-1/16W RH19 HDMIA_SCL/ SCL_HDMI_A HDMIB_SCL/ SCL_HDMI_B RXP2_A RXP2_B RX2+ RX2+ RH21 HDMIA_SDA/ SDA_HDMI_A MHL_DET HDMIB_SDA/ SDA_HDMI_B RXM2_A RXM2_B RX2- RX2- RXP1_A RXP1_B RH23 RX1+ RX1+...
  • Page 21 3V3_STB 360ohm-0402-±1%-1/16W AUX_PWROK NC/10Kohm-0402-±5%-1/16W 客供主芯片 ,IC Main Chip,SMD,SPV9206B,TCL,Sunplus 3V3_M 1V0_M AVDD3P3_MCPLL 3V3_M 3V3_M 1V5_DDR 1V0_M 1Kohm-0402-±5%-1/16W NC/1uF-0402-X5R-±20%-10V NC/10Kohm-0402-±5%-1/16W Crystal Circuit XTALO XTALI Cload: 16pF 33pF-0402-NPO-±5%-50V 33pF-0402-NPO-±5%-50V 24.576MHz-±30PPM-20PF-HC-49S-SMD-JWT HW Trap RXE2_P TSI_D7 LVA_CKP CATS_DAT7 RXE2_N TSI_CLK LVA_CKN LVDS CATS_CLK SPI_CLK RXE1_P...
  • Page 22 3V3_STB AVDD3P3_HDMI_AUX_T 3V3_M AVDD3P3_HDMI 1V0_M AVDD1P0_HDMI 3V3_M AVDD3P3_MCPLL Pin150 Pin243 1V0_M 0ohm-0402-±5%-1/16W 0ohm-0402-±5%-1/16W 1uF-0402-X5R-±20%-6.3V 0ohm-0402-±5%-1/16W 1uF-0402-X5R-±20%-6.3V 0ohm-0402-±5%-1/16W 0.1uF-0402-X5R-±20%-16V 1uF-0402-X5R-±20%-6.3V 0.1uF-0402-X5R-±20%-16V 10uF-0603-X5R-±20%-6.3V Pin89 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 10uF-0603-X5R-±20%-6.3V 0.1uF-0402-X5R-±20%-16V 1uF-0402-X5R-±20%-6.3V 3V3_M 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V Pin78 Pin79 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 1V0_M 10uF-0603-X5R-±20%-6.3V 0.1uF-0402-X5R-±20%-16V 3V3_M...
  • Page 23 MUTE_AMP AMP_MUTE/ 10uF-0805-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V ℃ 编带 4K7ohm-0402-±5%-1/16W 470uF-25V-±20%-10×12.5-105 -GF- -F=5.0(CapXon) 4K7ohm-0402-±5%-1/16W NC/0.1uF-0402-X5R-±20%-16V AVCC 10ohm-0402-±5%-1/16W 100ohm-0402-±5%-1/16W 0.47uF-0402-X5R-±10%-6.3V 0.1uF-0402-X5R-±20%-16V 0.033uF-0402-X7R-±10%-16V 0.47uF-0402-X5R-±10%-6.3V 1000pF-0402-X7R-±10%-50V 0.033uF-0402-X7R-±10%-16V 100Kohm-0402-±5%-1/16W 100ohm-0402-±5%-1/16W NC/0ohm-0402-±5%-1/16W AMP_MUTE/ PVCCL 0.1uF-0402-X5R-±20%-16V HP_R PH-AROUT FAULT PVCCL SPK_L CA10 CA11 LOUT+ HP_L PH-ALOUT LINP BSPL CA12 CA13 CA14 6800pF-0402-X7R-±10%-50V...
  • Page 24 T-IF-AGC_R840 RT10 D_IFAGC/ CT22 10Kohm-0402-±5%-1/16W 0.1uF-0402-X5R-±20%-16V 磁珠 ,BEAD,1000ohm,0402,300mA,SMD,TRAY,GZ1005U102CTF(1000ohm-300mA),sunlord 磁珠 ,BEAD,1000ohm,0402,300mA,SMD,TRAY,GZ1005U102CTF(1000ohm-300mA),sunlord 3V3_Tun 3V3_Tun RT11 D_IFAGC/ D_IFAGC 180pF-0402-NPO-±5%-50V NC/10Kohm-0402-±5%-1/16W CT21 SDCL1005CR18JTDF(180nH-0402±5%-C) 0.1uF-0402-X5R-±20%-16V 470pF-0402-X7R-±10%-50V 1.2pF-0402-NPO-±0.25pf-50V 220pF-0402-NPO-±5%-50V SDCL1005C68NJTDF(68nH-0402±5%-C) 1Kohm-0402-±5%-1/16W 顺络 顺络 SDCL1005CR27JTDF( SDCL1005C2N7STDFM01 SDCL1005CR18JTDF(180nH-0402±5%-C) SDCL1005CR27JTDF( 0.1uF-0402-X5R-±20%-16V SDCL1005CR18JTDF(180nH-0402±5%-C) 0.1uF-0402-X5R-±20%-16V 0.1uF-0402-X5R-±20%-16V 0.022uF-0402-X7R-±10%-16V CT33 R840 RF_INPUT RF_IN LT13 BAV99-BR 3V3_Tun...

  • Page 25: Troubleshooting

    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: Abnormal Sound

    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？...

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