Haier DTA-1489 Service Manual
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Haier DTA-1489 Service Manual

Haier DTA-1489 Service Manual

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Colour Television
SERVICE MANUAL
TV
+
Haier model:
DTA-1489
Customer model:
GTV34R4DVD
FEATURES
DVD-TV 21" COMBO
AUTO TUNE/181 CHANNES
DVD/VCD/SVCD/CD/CD-R/CD-RW/JPEG/MP3 COMPATIBLE
NTSC-M、CCD、V-CHIP+AV STEREO
96kHz/24 BITS AUDIO DAC
FORMATO DE VIDEO 4:3PS、4:3LB
DOLBY AC-3 DECODE
PANATAL LOCK

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Summary of Contents for Haier DTA-1489

  • Page 1 Colour Television SERVICE MANUAL Haier model: DTA-1489 Customer model: GTV34R4DVD FEATURES DVD-TV 21” COMBO AUTO TUNE/181 CHANNES DVD/VCD/SVCD/CD/CD-R/CD-RW/JPEG/MP3 COMPATIBLE NTSC-M、CCD、V-CHIP+AV STEREO 96kHz/24 BITS AUDIO DAC FORMATO DE VIDEO 4:3PS、4:3LB DOLBY AC-3 DECODE PANATAL LOCK...

  • Page 2: Table Of Contents

    CONTENTS Safety precautions……………………………………………………………..……………3 TV block diagram……………………………………………………………………..…….4 Replacement of memory IC………………………………………………………….……5 Service adjustment……………………………………………………………..…………...5 ICs functional description…………………………………………………………………8 Test point waveform………………………………………………………………………10 All ICs voltages……………………………..……………………………………………….10 Purity / convergence adjustment………………………………………………………11 DVD maintenance…………………………………………………………………………13 10. List of Parts ………………………………………………………………………….…….14 11. Circuit diagram………………………………………………………………………Attached 12. Exploded view ………………………………………………………………………Attached...

  • Page 3: Safety Precautions

    1. SAFETY PRECAUTIONS The design of this product contains special hardware, many Isolation Check circuits and components especially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the After re-assembling the product, always perform an isolation original design unless authorized in writing by the check on the exposed metal parts of the cabinet (antenna manufacturer.

  • Page 4: Tv Block Diagram

    Block diagram TDA9370 PS/N2 series with mono intercarrier sound demodulator...

  • Page 5: Replacement Of Memory Ic

    3. REPLACEMENT OF MEMORY IC 1. MEMORY IC. This TV uses memory IC. In the memory IC are memorized data for correctly operating the video and deflection circuits. 2. PROCEDURE FOR REPLACING MEMORY IC (1) Power off Switch the power off and unplug the power cord from AC outlet. (2) Replace IC Be sure to use memory IC written with the initial data values.
  • Page 6 Adjustable Items Direct access key Items Description Preset Remark “1” 5/6HSH Horizontal shift “2” 5/6VSL Vertical slop 5/6VAM Vertical amplitude 5/6SCL S-correction 5/6VSH Vertical shift 5/6VOF OSD Vertical offset HOF* OSD Horizontal offset “3” Black level offset R Black level offset G White point R White point G White point B...
  • Page 7 Optional data Function Description Preset Remark Bit 7 Func2 Func2 Func1 Bit 6 Func1 NONE Bit 5 Half Tone Translucence OSD manual Bit 4 1=Enable (Can only be selected either RGB and DVD) Bit 3 1=Enable Bit 2 Comb filter 1=Enable Bit 1 Woofer volume...

  • Page 8: Ics Functional Description

    6. OP6 Function Description Preset Remark Bit 7 Zoom Bit 6 9860 Bit 5 Limit Time Bit 4 Favourite Bit 3 One search Bit 2 Out set Bit 1 Volume display mode 1=Volume(0~100) 0=Volume(0~Max. set value) Bit 0 Hotel 1=Welcome when switch on 0=Display Energy when switch on and “no signal”...
  • Page 9 CHROMA SVHS (C) input AUDOUT Audio output INSSW2 YUV insertion input R2/VIN R input / V (R-Y) input / PR input G2/YIN G input / Y input B2/UIN B input / U (B-Y) input / PB input BCLIN Beam current limiter input BLKIN Black current input Red output...

  • Page 10: Test Point Waveform

    6. Test point Waveforms 3.8Vpp 2.5Vpp 1.2Vpp 2.5Vpp 2.6Vpp TDA9370 PIN38 TDA9370 PIN40 TDA9370 PIN53 TDA9370 PIN52 TDA9370 PIN51 0.9Vpp 5Vpp 95Vpp 95Vpp 95Vpp CRT KR CRT KG CRT KB TDA9370 PIN33 TDA9370 PIN34 0.8Vpp 1Vpp 1.3Vpp TDA9370 PIN21 TDA9370 PIN22 TDA9370 PIN59 7.

  • Page 11: Purity / Convergence Adjustment

    8. PURITY / CONVERGENCE ADJUSTMENT PURITY ADJUSTMENT WEDGE Demagnetize CRT with the demagnetizer. DEFLECTION YOKE Loosen the retainer screw of the deflection yoke. Remove the wedges. Input a green raster signal from the signal generator, and turn the screen to green raster. Move the deflection yoke backward.
  • Page 12 STATIC CONVERGENCE ADJUSTMENT 1. Input a crosshatch signal. 2. Using 4-pole convergence magnets overlap the red and blue lines in the center of the screen (Fig. 1) and turn them to magenta (red/blue). (FRONT VIEW) 3. Using 6-pole convergence magnets overlap the magenta (red/blue) and green lines in the center of the screen and turn them to white.

  • Page 13: Dvd Maintenance

    9. DVD Part: Introduction of MTK1379 maintenance Under normal power supply conditions, the maintenance plan for MT1379 mono-chip is: first the reset circuit resets the MT1379, after the crystal oscillator circuit gave the clock signal to MT1379, MT1379 will start the initialization check for Flash、E PROM、SDRAM, after everything is checked to be normal, it will start initialization check for 7Audio DAC, MT1336 and motor Driver.

  • Page 14: List Of Parts

    10. List of Parts PART LOCATION DESCRIPTION NUMBER FRONT CABINET ASS’Y BCJ7008-----Q 0090804174 LENS MTAA7011AA--Q 0090204510 SCREW SJ2824-87 ST3X10F 0090600011 KEYS MTAA7012AA--Q 0090204511 SCREW SJ2824-87 ST3X10F 0090600011 SWITCH BUTTON MTAA7013AA--Q 0090204512 SPRING MTBH7004BC--Q 0090100663 SPEAKER YDT0407-9AU-8W-8Ω 0094002137 SPEAKER WIRE 0090401453 SCREW SJ2824-87 ST3X8F 0090600012...
  • Page 15 RATING LABEL 0090204810 CARTON BOX 0090504290 BATTERY 0094000105 PLASTIC BAG FOR USER MANUAL 0090204759 REMOTE CONTROL 0094008725 PLASTIC BAG FOR 14” COMPLETE SET 0090204758 PLASTIC FOR POWER CORD 0090500018 USER MANUAL 0090504210 LOOP ANNTENNA 0090401678 MAIN BAORD ASS’Y 0094008724 N301B HEAT SINK HEAT SINK 0090100450...
  • Page 16 R821 FUSE RESISTOR RF10-2W-8.2Ω-J-05-E-A 0094102901 R824 FUSE RESISTOR RF10-1/2W-1-J-05-E-A 0094102583 R415 FUSE RESISTOR RF10-1/2W-1-J-05-E-A 0094102583 R302 FUSE RESISTOR RF10-1/2W-10-J-05-E-A 0094102668 R409 FUSE RESISTOR RF10-1/2W-0.22-J-05-E-A 0094102584 R306 FUSE RESISTOR RF10-2W-0.68-J-05-E-A 0094102586 R815 FUSE RESISTOR RF10-2W-0.18-J-15-L-A 0094102669 R416 FUSE RESISTOR RF10-1/2W-68-J-12-L-A 0094102591 DV801 TVR14561 0094400806...
  • Page 17 L401 LINEARITY COIL LX034 0094501053 L801 LINE FILTER LCL-207 0094500686 T444 FLYBACK TRANSFORMER BSC25-0284G 0094501114 SWITCHING MODE T801 BCK-07-DE7 0094501146 TRANSFORMER HORIZONTAL T401 AA26-50001B 0094500034 TRANSFORMER INDUCTOR TK116 0094501148 V999 CRT SOCKET GZS8-6-CD 0094300442 CN801 CONNECTOR SOCKET TJC1-2A 0094300110 CN802 CONNECTOR SOCKET TJC2-2A 0094300063...
  • Page 18 R250 CARBON FILM RESISTOR RT13-1/6W-47-J------T 0094100066 R257 CARBON FILM RESISTOR RT13-1/6W-47-J------T 0094100066 R258* CARBON FILM RESISTOR RT13-1/6W-75-J------T 0094100067 R265 CARBON FILM RESISTOR RT13-1/6W-75-J------T 0094100067 R715 CARBON FILM RESISTOR RT13-1/6W-75-J------T 0094100067 R735 CARBON FILM RESISTOR RT13-1/6W-75-J------T 0094100067 R733 CARBON FILM RESISTOR RT13-1/6W-75-J------T 0094100067 R734...
  • Page 19 R266 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R247 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R220 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R278 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R747 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R746 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R845 CARBON FILM RESISTOR RT13-1/6W-3.3K-J------T 0094101328 R846...
  • Page 20 R275 CARBON FILM RESISTOR RT13-1/6W-270K-J------T 0094100943 R273 CARBON FILM RESISTOR RT13-1/6W-33K-J------T 0094100036 R621 CARBON FILM RESISTOR RT13-1/6W-33K-J------T 0094100036 R851 CARBON FILM RESISTOR RT13-1/6W-33K-J------T 0094100036 R233 CARBON FILM RESISTOR RT13-1/6W-36KΩ-J 0094100767 R261 CARBON FILM RESISTOR RT13-1/6W-68K-J------T 0094100039 R277 CARBON FILM RESISTOR RT13-1/6W-100K-J------T 0094100077 R303...
  • Page 21 C229 CERAMIC CAPACITOR CT1-B-63V-3300PF-K-F05 0094201178 C221 CERAMIC CAPACITOR CT1-B-63V-4700PF-K-F05 0094201039 C603 CERAMIC CAPACITOR CT1-B-63V-4700PF-K-F05 0094201039 C611 CERAMIC CAPACITOR CT1-B-63V-4700PF-K-F05 0094201039 C111 CERAMIC CAPACITOR CT1-2F4-63V-0.01µF-Z------F 0094201040 C207 CERAMIC CAPACITOR CT1-B-63V-0.01µF-K-F05 0094201040 C225 CERAMIC CAPACITOR CT1-B-63V-0.01µF-K-F05 0094201040 C226 CERAMIC CAPACITOR CT1-B-63V-0.01µF-K-F05 0094201040 C228 CERAMIC CAPACITOR CT1-F-63V-0.022µF-Z-F05...
  • Page 22 C841 ELECT. CAPACITOR CD110X-16V-100µF-M-F05 0094200747 C922 ELECT. CAPACITOR D110X-16V-100µF-M-F05 0094200747 C219 ELECT. CAPACITOR CD110X-16V-100µF-M-F05 0094200747 C854 ELECT. CAPACITOR CD110X-16V-100µF-M-F05 0094200747 C241 ELECT. CAPACITOR CD110X-16V-100µF-M-F05 0094200747 C255 ELECT. CAPACITOR CD110X-16V-100µF-M-F05 0094200747 C408 ELECT. CAPACITOR CD110X-25V-47µF-M-F05 0094201113 C303 ELECT. CAPACITOR CD263-35V-100uF-M-F05 0094200746 C102 ELECT.
  • Page 23 VD405 DIODE TTVR10G------T 0094400056 VD810 DIODE TERB4304------T 0094400059 DZ808 DIODE MTZJ3.9B------T 0094400615 DZ205 DIODE MTZJ4.7B------T 0094400616 DZ102 DIODE MTZJ5.1B------T 0094400617 DZ402 DIODE MTZJ5.1B------T 0094400617 DZ802 DIODE MTZJ5.1B------T 0094400617 DZ101 DIODE MTZJ9.1B------T 0094400493 DZ701 DIODE MTZJ9.1B------T 0094400493 DZ702 DIODE MTZJ9.1B------T 0094400493 DZ703 DIODE MTZJ9.1B------T...
  • Page 24 VD507 DIODE MTZJ8.2B--T 0094400621 VD505 DIODE 1SS133T-72---------T 0094400106 VD502 DIODE 1SS133T-72---------T 0094400106 VD504 DIODE 1SS133T-72---------T 0094400106 V501 TRANSISTOR BF420 0094400578 V503 TRANSISTOR BF420 0094400578 V506 TRANSISTOR BF420 0094400578 V502 TRANSISTOR BF421 0094400577 V504 TRANSISTOR BF421 0094400577 V505 TRANSISTOR BF421 0094400577 C504 CERAMIC CAPACITOR CT1-B-500V-330pF-K-F05...
  • Page 25 RB02 CARBON FILM RESISTOR RT13-1/6W-620-J------T 0094100916 RB03 CARBON FILM RESISTOR RT13-1/6W-1K-J------T 0094100023 RB04 CARBON FILM RESISTOR RT13-1/6W-1.2K-J------T 0094100753 RB05 CARBON FILM RESISTOR RT13-1/6W-1.8K-J------T 0094100722 RB06 CARBON FILM RESISTOR RT13-1/6W-10K-J------T 0094100033 RB07 CARBON FILM RESISTOR RT13-1/6W-10K-J------T 0094100033 RD03 CARBON FILM RESISTOR RT13-1/6W-100-J------T 0094100017 RD06...
  • Page 26 MENU TV/AV AV1-VINAV1-AL AV1-AR TJC3-2Y CNS01 RS01 CT01 CNB02 RT02 RS03 CNS02 RB05 RB04 RB03 RB02 RB01 CNB01 1.8K 1.2K TJC3-2Y CNT01 1/6W-100 TJC3-10A A6-5V R208 A6-5V N202 R278 R222 R220 R212 R211 R215 C207 24C08 CN200 CN704 CN703 A6-5V 3.3K 3.3K 3.3K...

  • Page 27: Exploded View

    DTA1489 Exploded view CD-ROM REAR COVER transmit light pole main PCB CD-ROM bracket 11 unite keystoke speaker front frame...

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