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CONTENTS

1. Safety precautions

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2. TV block diagram

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3. Replacement of memory IC

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4. Service adjustment

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5. ICs functional description

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6. Test point waveform

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7. All ICs voltages

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8. Purity / convergence adjustment

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9. DVD maintenance

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10. List of Parts

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.14

11. Circuit diagram

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Attached

12. Exploded view

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Attached

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Содержание DTA21F98

Страница 1: ...evision SERVICE MANUAL Haier model DTA21F98 Customer model DTA21F98 l FEATURES l DVD TV 21 COMBO l AUTO TUNE 218 CHANNES l DVD VCD SVCD CD CD R CD RW JPEG MP3 COMPATIBLE PDF pdfFactory Pro www finepri...

Страница 2: ...y IC 5 4 Service adjustment 5 5 ICs functional description 8 6 Test point waveform 10 7 All ICs voltages 10 8 Purity convergence adjustment 11 9 DVD maintenance 13 10 List of Parts 14 11 Circuit diagr...

Страница 3: ...ge by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connec...

Страница 4: ...4 2 Block diagram TDA9361PS N2 series with mono intercarrier sound demodulator PDF pdfFactory Pro www fineprint com cn...

Страница 5: ...ding factory menus Press EXIT key to exit factory mode Focus adjustment 1 Receive a crosshatch signal 2 While watching the screen adjust the FOCUS VR on the FBT to make the vertical and horizontal lin...

Страница 6: ...ightness 0 A 0COL Listen Colour 50 A 0SHP Listen Sharpness 50 A 1CON Soft Contrast 45 A 1BRI Soft Brightness 45 A 1COL Soft Colour 50 A 1SHP Soft Sharpness 50 A 6 Picture preset 2 2CON Standard Contra...

Страница 7: ...Remark Bit 6 HALFTONE 1 Enable 1 EA Bit 5 IDENT_SENSITIVE 1 EA Bit 4 HCO 1 Enable 0 EA Bit 3 LOGO 1 EA Bit 2 TILT 0 EA Bit 1 SPANISH 0 EA Bit 0 ROMANIA 0 EA 5 OP5 Bit Function Description Preset Rema...

Страница 8: ...BY output 1 In STAND BY mode low level Power OFF For Power ON this pin will be high SCL 2 I2 C bus clock line SDA 3 I2 C bus data line TUNING 4 tuning Voltage Vt PWM output KEY 5 Control keys input SY...

Страница 9: ...PB input BCLIN 49 Beam current limiter input BLKIN 50 Black current input RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 Analog supply of Closed Caption decoder and digital supply of TV...

Страница 10: ...l feedback GND 5 Ground 5 U101 Tuner PIN Function PIN Function 1 AGC 7 5V 2 vacant 8 vacant 3 Gnd 9 Vt 33V 4 SCL 10 Gnd 5 SDA 11 IF Out 6 5V 6 Test point Waveforms 7 IC voltages 5Vpp 0 9Vpp 1 3Vpp H H...

Страница 11: ...45 46 47 48 V 0 5 0 3 0 1 7 2 4 3 4 8 3 9 0 3 3 0 3 6 1 4 2 5 2 5 2 5 PIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 V 1 9 5 0 2 4 2 4 2 4 3 1 0 3 2 0 1 8 1 7 0 3 2 5 1 3 3 5 TDA8357 PIN 1 2 3 4...

Страница 12: ...ve the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move...

Страница 13: ...CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1...

Страница 14: ...there is signal missing then check the signal line between MT1379 and Audio DAC If the line is connected properly but there is no signal then check if there is any welding problem at the correspondin...

Страница 15: ...L 69 6X71 4 90204538 1 HIGH VOLTAGE SPACER TEM101 90200008 1 DVD DOOR MTAH7008AA Q 90204558 1 POWER CORD CLIP MTAH7005AA Q 90205628 1 SCREW SJ2824 87 SJ4X16F 90600023 8 SCREW SJ2824 87 SJ4X16F 9060002...

Страница 16: ...05 E A 94100101 1 R801 METAL OXIDE RESISTOR RY17S 2W 33K J 05 E A 94100101 1 R501H CARBON FILM RESISTOR RT13 1 6W 47 J T 94100066 1 C501 CERAMIC CAPACITOR CC1 B 500V 470PF K F05 94201264 1 C502 CERAM...

Страница 17: ...IC M24C08 BR24C08 94400636 1 N202 IC PC817C 94400036 1 N703 IC TC4052BP 94400138 1 N702 IC HEF4053 94400503 1 X201 CRYTAL JA12D 12MHZ 20PF 94600198 1 Z201 CERAMIC TRAP FILTER XT5 5B 94600015 1 TU101...

Страница 18: ...5 J T 94100067 1 R718 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 RS01 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 RS02 CARBON FILM RESISTOR RT13 1 6W 100 J T 94100017 1 R208 CARBON FILM RES...

Страница 19: ...RT13 1 6W 4 7K J T 94100029 1 R262 CARBON FILM RESISTOR RT13 1 6W 4 7K J T 94100029 1 R241 CARBON FILM RESISTOR RT13 1 6W 4 7K J T 94100029 1 R623 CARBON FILM RESISTOR RT13 1 6W 4 7K J T 94100029 1 R6...

Страница 20: ...312 METAL FILM RESISTOR RJ15X 1 2W 2 2K F T52 94102527 1 R313 METAL FILM RESISTOR RJ15X 1 2W 2 2K F T52 94102527 1 R308 METAL FILM RESISTOR RJ15S 1 2W 1 5 F T 94101353 1 R305 METAL FILM RESISTOR RJ15S...

Страница 21: ...L23B 400V 472 J F 94200097 1 C814 CAPACITOR CL21X 63V 104 J F 94201462 1 C853 CAPACITOR CL21X 63V 104 J F 94201462 1 C851 CAPACITOR CL21X 63V 104 J F 94201462 1 C722 ELECT CAPACITOR CD71 50V 1uF M F05...

Страница 22: ...1N4148 T 94400049 1 VD201 DIODE 1N4148 T 94400049 1 VD202 DIODE 1N4148 T 94400049 1 VD809 DIODE 1N4148 T 94400049 1 VD816 DIODE 1N4148 T 94400049 1 VD817 DIODE 1N4148 T 94400049 1 VD620 DIODE 1N4148 T...

Страница 23: ...R RS11 1 2W 1 8K K T 94100102 1 C508 ELECT CAPACITOR CD110X 250V 10 F M F05 94200728 1 C509 CERAMIC CAPACITOR CD110X 250V 4 7 F M F05 94200727 1 VD501 DIODE 1N4148 T 94400049 1 VD503 DIODE 1N4148 T 94...

Страница 24: ...CONNECTOR SOCKET TJC3 6A 94300107 1 CN03 CONNECTOR SOCKET TJC3 2P 260 90400915 1 CN04 WIRE ASS Y 300mm 90402080 1 CN05 WIRE ASS Y 230mm 90401673 1 CN02 WIRE ASS Y TJC3 5Y 750mm 90401725 1 POWER TACT...

Страница 25: ...25 11 Exploed view 1 2 3 4 5 6 7 8 9 PDF pdfFactory Pro www fineprint com cn...

Страница 26: ...6 Switch batton 1 2 0090204519 Front frame 1 3 0090204556 Dvd stand 1 4 0094010705 Dvd 1 5 0090204546 Main board stand 1 6 0094010705 Main board 1 7 0094004133 CRT 1 8 0094008903 Speaker 2 9 009020455...

Страница 27: ...Z 101 16V 47 F C108 BF370 V101 1 6W 10 R104 1 6W 13K R105 1 6W 470 R106 25V 220 F C102 M TZJ5 1B DZ102 63V 0 1 F C101 1 6W 68K R261 1N4148 VD217 1 6W 9 1K R260 1 6W 1K R227 1 6W 9 1K R262 B4 12V C214...

Страница 28: ...28 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com PDF pdfFactory Pro www fineprint com cn...

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