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Haier DX-LCDTV19 Service Manual

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DX-LCDTV19
TV-8888-118

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Summary of Contents for Haier DX-LCDTV19

  • Page 1 DX-LCDTV19 TV-8888-118...
  • Page 2 1. Features 2. Safety Precautions 3. Images of Module and Circuit Boards 4. Key IC Description& Trouble Shooting Guide 5.Signal Flowing Chart 6. Bus Control Adjustment 7. Circuit Diagram...
  • Page 3 Features Model Functions DX-LCDTV19 Screen size 19inch Aspect ratio 16: 10 Resolution 1440×900 Brightness 300cd/m Contrast(Darkroom) 850:1 Response time(ms) Color system NTSC NO. of preset channels Picture mode Angel of view H:160 / V:160 ° ° Color display 16,777,216 Color level...
  • Page 4 Model Functions DX-LCDTV19 D-SUB jack DVI socket SCART socket Ear-Phone Out CCD,V-CHIP Semitransparent menu ZOOM 16:9 mode Child Lock Quick View NO. of built-in speakers Audio output power(Built-in)(W) 2*1.5 Total power input(W) Voltage range(V) Power frequency(Hz) Time of sleep timer(MINS)
  • Page 5 Safety Precautions Warning High voltages are used in the operation of this product. Do not romove the cabinet back from your set. Refer servicing to qualified service personnel. Warning To prevent fire or electrical shock hazard, Do not expose the main unit to rain or moisture. Warning Do not drop or push objects into the television cabinet slots or openings.
  • Page 6 Caution Never stand on, lean on, push suddenly the product or its stand. You should pay special attention to children to children. Caution Do not place the main unit on an unstable cart stand, shelf or table. Serious injury to an individual, and damage to the television, may result if it should fall.
  • Page 7 Images of Module and Circuit Boards 3.images of Main Board 4.images of Power Supply...
  • Page 8 SupraHD-760-DTS-GEN-v1.0-Preliminary Release Chapter 1. SupraHD-760 Overview 1.1 SupraHD Family The ZR396xx family consists of: • SupraHD-680 IC (ZR39680) - Digital TVs for the ATSC/DVB/OpenCable Market • SupraHD-660 IC (ZR39660) - Digital TVs for the ATSC Market • SupraHD-640 IC (ZR39640) - Digital ATSC upgrade for Analog TVs The ZR397xx family consists of: •...
  • Page 9 SupraHD-760-DTS-GEN-v1.0-Preliminary Release Figure 2 shows a typical system implementation using the SupraHD-760. This system can be designed and manufactured in a very low-cost manner. 1pc 16MBx16 256Mb DDR Memory Rear Chassis CLKIN ZR39760 Connections ATSC/ NTSC Tuner I2C0 LCD/ LVDS Out Analog CVBS/S-Video In GPIOx...
  • Page 10 SupraHD-760-DTS-GEN-v1.0-Preliminary Release Embedded BVCI Processing Unit (EPC) SADR[13:0], SBS[1:0]_n MIPS 4Kec SDQM[3:0] I Cache Memory SRAS_n, SCAS_n, SW E_n Interface Unit (MIF) D Cache SCLK, SCLK_n, SCKE SDQS[3:0], SDATA[15:0] TDO, TDI EJTAG TCK, TMS Ctlr. SVREF TRST_N, TAPSEL JTAG Counters/ ACLK Ctlr.
  • Page 11 SupraHD-760-DTS-GEN-v1.0-Preliminary Release 1.3 I/O Options Figure 4 shows the four major I/O options available: • video input and output • audio input and output Audio Processing Unit (APU) Transport Processing Unit (TRP) Audio Xport I/F DACs Xport Demux Display Processor (DPC) Smart Antenna...
  • Page 12: Troubleshooting Guide

    Trouble shooting Guide 1.Power Supply Trouble Check F1 for 12V Check F1 and CN10 Check E33(470μF/25V)for 5v Check F1 for shortcut Check power output for LDO Turn on or not Check the power Check Pin3 U13 Turn on Change LDO supply net follow F1 For 350Khz Or The load is...
  • Page 13 2.Display Trouble 2.1 Black Black Screen Check 5V for BLON on CN10 Tunn on or not 12V inverter input ? Turn on Check the power supply Check the inverter Check U25/SM5964 43th PIN or self-proofed Check the cirture for Check Mcu 1,power supply Q4/MMBT3904 2,Reset...
  • Page 14 2.2 White White Screen Check power supply (for panel) Check Q24 0~3.3V(5V or 12V) ,according to the volitage) Check signal output of U5/RTD2023B Check U5 Check voltage of Q24 Check voltage between Check LCD or 1,Power supply Panel Connector U25/SM5964 3thQ24 or 2,Time circuit check U25 Check voltage of Q24...
  • Page 15 2.3 Exceptional screen Exceptional screen Check voltage for the panel Select the right panel voltage Change the panel Check the panel connector connector Change LCD Check LCD Check the output net,the Change/mend the part connector circuit Check U5 For Power supply & timer circuit...
  • Page 16 3.Audio Trouble 3.1 No Audio No Audio Check audio signal input Check the set of volume, mute Check signal from C11 U3/TPA1517NE PIN7 11.2V? Check power U3 8th Check U3 PIN1 and PIN9 for signal input Check U3 PIN4 and PIN6 for Chekc U21PIN60,61for signal output signal output Check the...
  • Page 17 3.2 TV No Audio TV no audio, having picture Check audio and PC AV Check signal ouput of SAW2/M9370M30 PIN1 Check the net between SAW2 1. check SAW2 Turn to NO AUDIO Pin1and C133/0.01μF 2. check U21 PIN29,30 trouble shooting Check C133 3.
  • Page 18 3.3 TV Audio Unormal Noise and NICAM can’t be detected Check the audio system Select the right audio Picture is normal? Check C113/0.01UF、D26、 R140/0 or change SAW2 Search again...
  • Page 19 4.Function Trouble 4.1 TV TV can not search/No picture Check RF signal input Check voltage T1/TDQ-6H3PIN6 for 5V Check voltage T1 PIN3 for 0V Check voltage T1 PIN9 for 33V Check I C signal T1 PIN4,5 Check signal T1 PIN11 Check voltage T1 PIN1 >V Examine Examine...
  • Page 20 4.2 PC Picture not in center Missing color Picture dithering No signal Check U5 RGB input Check VS,HS signal Reset Check Check OSD setting Check R,G,B Auto adjust Check VS.HS Reset circuit VS.HS...
  • Page 21 UTC78L05L +5VSB AZ1117H-ADJ(TR)E1 VCC2_6 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V R128 + E4 470uF-25V-±20%-10*13 - 105 ℃ 10uF-0805-Y5V-+80%-20%-10V +12V 0.01uF-0603-X7R-±10%-50V 0.01uF-0603-X7R-±10%-50V 0.1uF-0603-Y5V-+80%-20%-50V R141 CN22 +5VSB +12VEXT 68ohm-0603-±5%-1/10W TC5026U-470K-BK/NA 75ohm-0603-±5%-1/10W BLON 3G3A-250V + E3 0.1uF-0603-Y5V-+80%-20%-50V 100uF-16V-±20%-6*7 - 105 ℃ DC_PW` 7PIN-2.54-D-H 30K9ohm-0603-±1%-1/10W AZ1117H-3.3(TR)E1 VCC3_3 PWR_SW MP1430DN-LF-Z +5VSB...
  • Page 22 33ohm-0603-±5%-1/10W 33ohm-0603-±5%-1/10W R219 DDRCK R229 DDRCKN RP16 RP17 DDRCASN DDRDQ9 4*33ohm-0402-±5%-1/16W DDRBS0 DDRDQ10 4*33ohm-0402-±5%-1/16W DDRCKE DDRDQ11 DDRDQ12 33ohm-0603-±5%-1/10W RP10 R231 DDRWEN DDRA8 DDRRASN 4*33ohm-0402-±5%-1/16W DDRA0 DDRA4 4*33ohm-0402-±5%-1/16W DDRBS1 DDRA11 DDRA2 DDRA6 RP14 DDRA3 DDRA9 4*33ohm-0402-±5%-1/16W DDRA1 DDRA7 4*33ohm-0402-±5%-1/16W DDRA10 DDRA12 DDRA5 RP12 RP11...
  • Page 23 Test Pins VCC3_3 R164 RSVD[0] 4K7ohm-0603-±5%-1/10W RSVD[1] 4K7ohm-0603-±5%-1/10W RSVD[2] VCC3_3 R165 RSVD[3] NC_B7 4PIN-2.0-D-H-G( RSVD[4] NC_C11 SPI_CS_n RSVD[5] NC_C12 System I/O NC/4K7ohm-0603-±5%-1/10W RSVD[6] NC_C16 SPI_WEN GPIO0/SPI_CLK RSVD[7] NC_B18 R322 33ohm-0603-±5%-1/10W GPIO2/SPI_WR NC_C18 R158 33ohm-0603-±5%-1/10W RSVD[9] NC_B20 R159 VCC3_3 UART0TX RSVD[10] NC_C20 AT26DF161-SU UART0RX...
  • Page 24 HDMI In HDMI_D0+ HDMI_D0_P HDMI_D0- HDMI_D0_N HDMI_D1+ HDMI_D1_P HDMI_D1- HDMI_D1_N HDMI_D2+ HDMI_D2_P HDMI_D2- HDMI_D2_N HDMI_CLK+ HDMI_CLK_P HDMI_CLK- HDMI_CLK_N HDMI1_DDC_SCL NC/0ohm-0603-±5%-1/10W HDMI_SCL HDMI1_DDC_SDA HDMI_SDA 0.1uF-0603-Y5V-+80%-20%-50V HDMI_CEC 0.1uF-0603-Y5V-+80%-20%-50V HDMI_HPD HDMI_HPD C172 4K7ohm-0603-±5%-1/10W HDMI_VDD HDMI_REXT 4K7ohm-0603-±5%-1/10W CBL1_5V 390ohm-0603-±5%-1/10W HDMI_ATEST NC/MLVS0603M07 R279 LL4148-LL-34 C177 VCC3_3 C207 CON1...
  • Page 25 IF_5V C240 R251 0.1uF-0603-Y5V-+80%-20%-50V IF_5V TU_5V NC/22K NC/47uF-16V-±20%-4*7-105 ℃ SIF' NC/PMBT3904 R329 Analog IF AGC R261 NC/100Kohm-0603-±5%-1/10W VIDEO_OUT R217 NC/0ohm-0603-±5%-1/10W TU_CVBS NC#1 NC/10Kohm-0603-±5%-1/10W R144 TU_SDA' NC/10Kohm-0603-±5%-1/10W TU_SCK' R262 IF_AGC NC/470ohm-0603-±5%-1/10W AGC_INT DIF2 IF_OUT2 DIF1 IF_OUT1 NC/TDQU4-507A Demodulator IFE_AIN_N IFE_AIN_P 47ohm-0603-±5%-1/10W 47pF-0603-NPO-±5%-50V 0.1uF-0603-Y5V-+80%-20%-50V FQD1236E/FH-5...
  • Page 26 DVD_OP_12V GZ3216D121T(F) DVD+5V DVD_CON DVD_CON" 33ohm-0603-±5%-1/10W 5PIN-2.0-D-H-G NC/0ohm-1206-±5%-1/4W R110 0.1uF-0603-Y5V-+80%-20%-50V R312 DVD+5V AO3401 4K7ohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W 0.01uF-0603-X7R-±10%-50V DVD_STB 100uF-16V-±20%-6*7 - 105 ℃ 0.1uF-0603-Y5V-+80%-20%-50V 10Kohm-0603-±5%-1/10W PMBT3904 NC/LL4148-LL-34 DVD-Y 75ohm-0603-±5%-1/10W R114 DVD-C 75ohm-0603-±5%-1/10W DVD_DAT DVD_IR' IR_IN R156 DVD_IR 7PIN-2.0-D-H-G 33ohm-0603-±5%-1/10W 1uF-0603-Y5V-+80%-20%-10V R300 1uF-0603-Y5V-+80%-20%-10V CN12 24Kohm-0603-±5%-1/10W DVD_L_IN...
  • Page 27 5V_AUDBIAS R226 R235 1uF-0603-Y5V-+80%-20%-10V 100Kohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W TV_LIN TV_LIN+ TV_RIN TV_RIN+ R137 C102 1uF-0603-Y5V-+80%-20%-10V C126 R135 100Kohm-0603-±5%-1/10W VGA_RIN R230 R236 100Kohm-0603-±5%-1/10W 1uF-0603-Y5V-+80%-20%-10V R136 VGA_LIN R221 1uF-0603-Y5V-+80%-20%-10V 5V_AUDBIAS 100ohm-0603-±5%-1/10W C127 CKX3-3.5-11-G 220uF-16V-±20%-6*7 - 105 ℃ R138 0.1uF-0603-Y5V-+80%-20%-50V 5V_AUDBIAS MLVS0603M07 C223 24Kohm-0603-±5%-1/10W 24Kohm-0603-±5%-1/10W 24Kohm-0603-±5%-1/10W R234 R237...
  • Page 28 VCC3_3 Audio I/O R133 +5V_AUDIO 4.7ohm-0603-±5%-1/10W ADATAI[0] ADATAI[1] RP19 ADATAI[2] 4*4K7ohm-0402-±5%-1/16W 470ohm-0603-±5%-1/10W 47uF-16V-±20%-4*7 - 105 ℃ C81 1uF-0603-Y5V-+80%-20%-10V 470ohm-0603-±5%-1/10W ACLK C85 1uF-0603-Y5V-+80%-20%-10V BCLK R129 TV_RIN LRCLK SDIN AOUTR DEM/SCLK C89 1uF-0603-Y5V-+80%-20%-10V LRCLK_0 LRCK R130 TV_LIN BCLK_0 MCLK AOUTL C128 1uF-0603-Y5V-+80%-20%-10V ADATA_0 ADATAO[0] FILT+...
  • Page 29 33ohm-0603-±5%-1/10W Analog Video Inputs C269 0.1uF-0603-Y5V-+80%-20%-50V 47uF-25V-±20%-5*7 - 105 ℃ SVIDEO_Y C158 VFE_YIN VFE_YIN VFE_YIN PMBT3906 47ohm-0603-±5%-1/10W 0ohm-0603-±5%-1/10W 0.22uF-0603-Y5V-+80%-20%-16V VFE_IBEXT VFE_IBEXT C145 NC/330pF-0603-NPO-±5%-50V R198 AV/TV_IN 270pF-0603-X7R-±10%-50V 330pF-0603-NPO-±5%-50V C153 C154 C162 PMBT3904 47pF-0603-NPO-±5%-50V 0ohm-0603-±5%-1/10W R203 R204 CVBSO 10uF-0805-X5R-±10%-6.3V 0ohm-0603-±5%-1/10W R200 R201 R205 0ohm-0603-±5%-1/10W 1K2ohm-0603-±5%-1/10W...
  • Page 30 4*33ohm-0402-±5%-1/16W C107 0.047uF-0603-X7R-±10%-25V 4*33ohm-0402-±5%-1/16W RED_Pr 4*33ohm-0402-±5%-1/16W 4*33ohm-0402-±5%-1/16W 4*33ohm-0402-±5%-1/16W NC/10pF-0603-NPO-±5%-50V 4*33ohm-0402-±5%-1/16W PIXOUT[0:23] Pix/LVDS Bus PIXOUT16 RED0 C108 PIXOUT17 RED1 0.047uF-0603-X7R-±10%-25V GREEN_Y PIXOUT18 PIXOUT0 RED2 PIX[0] PIXOUT19 PIXOUT1 RED3 PIX[1] 2K7ohm-0603-±5%-1/10W PIXOUT20 PIXOUT2 RED4 PIX[2] NC/10pF-0603-NPO-±5%-50V RXE0+ PIXOUT21 PIXOUT3 RED5 PIX[3] LVDS_D0_P RXE0- PIXOUT22 PIXOUT4...
  • Page 31 GPIO26 P1 GPIO42 D3 VGA-5V V_SW_INT RGB_YPBPR_SEL AV/TV_IN 100Kohm-0603-±5%-1/10W VGA-5V CVBS2_IN PY_IN PY_IN` VGA-5V R121 C124 100Kohm-0603-±5%-1/10W C273 33ohm-0603-±5%-1/10W C119 100pF-0603-NPO-±5%-50V PY2_IN PY2_IN` YPrPb1 100uF-16V-±20%-6*7 - 105 ℃ 33Kohm-0603-±5%-1/10W YRPB2 C256 R286 75ohm-0603-±5%-1/10W 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V 22uF-25V-±20%-4*7 - 105 ℃ 100pF-0603-NPO-±5%-50V 0.1uF-0603-Y5V-+80%-20%-50V RGB_YPBPR_SEL VGA-5V...
  • Page 32 VCC3_3 +5VSB RP21 C212 C215 ZR39760 C210 C213 C214 Power & GND VCC1_8 4*4K7ohm-0402-±5%-1/16W VDD_1V8[1] GND[1] +5VSB VDD_1V8[2] GND[2] VDD_1V8[3] GND[3] 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V 0.1uF-0603-Y5V-+80%-20%-50V VCC1_8 VDD_1V8[4] GND[4] 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V VDD_1V8[5] GND[5] + E60 +5VSB C184 VDD_1V8[6] GND[6] R124 VGA_SCL' VDD_1V8[7] GND[7] R148...
  • Page 34 Sincere forever...