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HAIER
COLOR TELEVISION

SERVICE MANUAL

PART # TV-8888-34
HAIER AMERICA TRADING, LLC
www.haieramerica.com
1

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Summary of Contents for Haier TV-8888-34

  • Page 1: Service Manual

    HAIER COLOR TELEVISION SERVICE MANUAL PART # TV-8888-34 HAIER AMERICA TRADING, LLC www.haieramerica.com...
  • Page 2 ● ● ● ● Graphic and video double window ● ● ● ● 8W-2CH speaker out ,subwoofer out ● ● ● ● PC/DVI input resolution up to 1280*1024 ● ● ● ● HDTV signal interface ● ● ● ● Power management function Haier group Edition:2003.11.11 1/57...
  • Page 3: Table Of Contents

    Service Manual Haier Content Contents ………………………………………………………………………….2 2.Features ……………………………………………………………………….3 3.Safety measures and Attention ………………………………………….4 4.Block Diagram ………………………………………………………………..5 5.IC description ……………………………………………………………….…7 6.IC layout &power map ………………………………………………………10 6.1 IC layout & power map(digital board) …………………………..10 6.2 IC layout & power map(analog board) ………………………….11 7.Panel interface...
  • Page 4: Features

    Service Manual Haier 2.Features ● ● ● ● Built in tuner ● ● ● ● Digital interface(DVI 1.0) ● ● ● ● Auto Pixel shift for reduce image sticking ● ● ● ● Graphic and video double window ● ● ● ● 8W-2CH speaker out ,subwoofer out ●...
  • Page 5: Safety Measures And Attention

    Service Manual Haier 3. Safety measures and Attention 4/57...
  • Page 6: Block Diagram

    Service Manual Haier 4. BLOCK DIAGRAM 74HC VPC_S_RST_N_51 01_CPU_RXD0 24C21 74HC DVI_SCL PC/DVI_L/R 4052 02_CPU_TXD0 MSPG TL062 TA2024 DVI_SDA PC_AUDIO_SEL_N CPU_VSYNC RM1_IRQ_53 03_HDTV_SEL 4052 S-Video_L/R 3450G POWER_N_54 04_CPU_BHE_N DVI_V IR_INT1_55 05_CPU_WR_N 0x80 CPU_HSYNC DVI_H DTV_L/R IR_INT0_56 06_CPU_RD_N CPU_UCS_N_57 07_ALE CPU_LCS_N_58 08_ARDY(3.3V)
  • Page 7: Ic Description

    Service Manual Haier 5. IC DESCRIPTION Name Package Description Manufacture KIA78D05F DPAK Regulator KIA78D09F DPAK Regulator NATIONAL LP3961EMP-2.5 SOT 223-5 Regulator NATIONAL LM1086ISX_3.3V TO-263 Regulator NATIONAL LP3961EMP-1.8 SOT 223-5 Regulator MICOM 1) Multiplexed address and data bus which is compatible with 80c186 microprocessor...
  • Page 8 Service Manual Haier Name Package Description Manufacture NATIONAL LVDS Transmitter +3.3V Programmable LVDS Transmitter 24-BIT Flat Panel DS90C385 TSSOP Display Link-85 MHz , +3.3V Programmable LVDS Transmitter 18-Bit Flat Display Link-85 Mhz MAXIM MAX821 SOT143 Power-on Reset 74AHC244 Octal Buffer and Line Driver...
  • Page 9 Service Manual Haier Name Package Description Manufacture MAXIM MAX232ACSE RS232 Transceivers TCPS9091PD27A tuner Tuner 24C21 SOIC EEPROM PHILIPS 74HC4052 4-Channel Analog DE/Multiplexer ROHM BA7657F Switch ic 74ACT244 TSSOP Octal Buffer and Line Driver FAIRCHILD PHILIPS PCF8563T CMOS Real-time Clock Samsung Elec.
  • Page 10: Ic Layout &Power Map

    Service Manual Haier 6. IC layout &power map 6.1 IC layout & power map(digital board) 31P CON. 11P CON. D3.3V 74VHC 74VHC STB5V D3.3V STB3.3V DS90C385 Z86129 9361 2937 643232F 643232F 643232F D2.5V 74AHC 74AHC D2.5V 1086 STB5V IS-3.3 STB3.3V STB3.3V...
  • Page 11: Ic Layout & Power Map(Analog Board)

    Service Manual Haier 6.2 IC layout & power map(analog board) 10P CON. A33V 12Vamp 2940 IMP8 A12V 2961 A2.5V 2.5V 3450G A3.3V 2937 3.3V A33V 64083 TCPS9091PD27A 12Vamp TL062 A2.5V 2961 2.5V 6425D 8574T 8591T 12Vamp TA2024 2940 IMP8 BA7657F...
  • Page 12: Panel Interface

    Service Manual Haier 7.Panel interface 7.1 Output signal timing_60HZ SIGNAL TIMING SIGNAL TIMING Dot Clock 27 M HZ H-Frequency 31.05HZ V-Frequency 59.99 HZ H-Total 896 dots V-Total 533 H H-Front Porch 16 dots V-Front Porch 12 H H-Sync 12 dots...
  • Page 13: Output Signal Timing Diagram

    Service Manual Haier 7.3 Output signal timing diagram HORIZONTAL TIMING DIAGRAM 12 D 16D 852D 896D VERTICAL TIMING DIAGRAM 2 H 12H 480H 29H(135H) 533H(639H) 13/57...
  • Page 14: Lvds Bit Mapping

    Service Manual Haier 7.4 LVDS bit mapping Pin Name signal Pin Name signal Pin Name signal Pin Name signal TXIN0 TXIN7 TXIN14 TXIN21 TXIN1 TXIN8 TXIN15 TXIN22 TXIN2 TXIN9 TXIN16 TXIN23 FIELD TXIN3 TXIN10 TXIN17 TXIN24 HSYNC TXIN4 TXIN11 TXIN18...
  • Page 15: Power Interface

    Service Manual Haier 8.Power interface DIGITAL BOARD ANALOG BOARD NUMBER INPUT POWER(CN1000) INPUT POWER(CN6001) D3.3V A12V D3.3V 12VAMP 12VAMP POWER-N A33V STB5V THER_DET 15/57...
  • Page 16: Inspections On Major Ics

    Service Manual Haier 9.Inspections on major ICs 9.1R8820LV(DIGITAL:U9102)-MICOM (1)Check whether the proper power is supplied(3.3v) (2)Check whether the No.71 Reset pin’s output is high. (3)Check I2C-BUS (I2C :PINS 76 and 77) (4)Check whether the inputs/outputs betwenR8820LV and MEMORY(U9101,U9103) are normal.
  • Page 17 Service Manual Haier (7) Check the digital data outputs. 9.3 TEA6425D(ANALOG:U1002) -VIDEO Switching IC_Check when the input mode is set for TV,VIDEO,S-VIDEO (1) Check whether the proper power is supplied.(8v) (2) Check the I2C bus (pin2 and pin4). (3) Check whether the inputs/outputs are normal.
  • Page 18 Service Manual Haier VPC_VSYNC(pin 188):60HZ,VPC_FIELD(pin 194) (6) Check whether the data outputs are normal. V_CLK(pin159):27MHZ,V_HYNC(pin 165):31.5Khz,V_VSYNC(pin 168):60HZ,V_ACTIVE (pin 164),D_V_VALID(pin163) (7) Check whether the inputs and outputs between MDIN-150 and MEMORY (U9501) are normal. 9.5 TCP9091PD27A(ANALOG:U1001)_Check when the input mode is set for TV (1) Check whether the proper power is supplied .(33V,5V)
  • Page 19 Service Manual Haier PC INPUT:pin119®,110(G),100(B),81(VSYNC),82(HSYNC) DTV INPUT:pin119(Pr),110Y,100(Pb), DVI INPUT:pin 59(Rx1+),60(Rx1-),62(Rx0+),63(Rx0-),65(RXC+),66(RXC-),56(RX2+),57(RX2-) OUTPUT: Pin 134(DIN_CLK),135(DIN_ACTIVE),139(D_HSYNC),138(D_VYSNC) 9.7 ADG774BR(DIGITAL:U9202)-Switching IC_Check when the input mode is for TV and PC. (1) Check whether the proper power is supplied (5v). (2) Check the SEL_PIN(PIN1:DVI HIGH;PC:LOW) (3) Check whether the inputs/outputs are normal.
  • Page 20 Service Manual Haier (3) Check whether the outputs of MDIN-150 and AD9887AKS are input into REMBRANDT-1A are normal. (4) Check whether the data inputs/outputs are normal. PinAD8(RM1_IRQ),AE9(OCLK_OUT),AF8(RST_N),AF5(OP_EN),OD5(OP_HSYNC), PinAC5(OP_VSYNC),AE6(OP_FIELD),AD6(OPLL_CLK_IN),AC7(OP_FIELD_3D) 9.9DS90C385(DIGITAL:IC603)-LVDS TRANSMITTER (1) Check whether the proper power is supplied (3.3v). (2) Check whether the power down pin’s (pin 32)output is high.
  • Page 21 Service Manual Haier (4) Check whether the data inputs are normal. Input::AY1(pin 88) Output::ACO(pin83),AYO(pin 84) 9.11SP3450G(ANALOG:U6002)-Multi stand sound processor (1) Check whether the proper power is supplied (5v,8v). (2) Check I2C bus (pin 2 and 3). (3) Check whether the 18.432 M HZ clock is connected to pins 71 and 72.
  • Page 22 Service Manual Haier Haier Group Tel:86-532-8938356 Web side:http://www.haier.com 54/57...
  • Page 23 Service Manual Haier 55/57...

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