Teac DVTV5190F Service Manual Download

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CONTENTS

1. Safety

precautions……………………………………………………………..……………3

2. TV

block

diagram……………………………………………………………………..…….4

3. Replacement of memory 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 diagram………………………………………………………………………Attached

12. Exploded view…………………………………………………………………Attached

Summary of Contents for DVTV5190F

Page 1: ...SERVICE MANUAL DVTV5190F 51CM TV DVD COMBO FEB05 SERVDVTV5190 ...

Page 2: ... Replacement of memory 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 diagram Attached 12 Exploded view Attached ...

Page 3: ...not check high voltage 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 connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required observe the original lead dress Extra precaution should be given to assure ...

Page 4: ... 4 2 Block diagram TDA9370PS N2 series with mono intercarrier sound demodulator ...

Page 5: ...data adjustment of corresponding 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 lines as fine and sharp as possible Geometrical adjustment Receive PAL standard complete pattern signal Adjustment steps a Adjust VSL to the centre horizontal line just appear...

Page 6: ...t 0 A 0BRI Listen Brightness 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 Contrast 75 A 2BRI Standard Brightness 50 A 2COL Standard Colour 50 A 2SHP Standard Sharpness 60 A 3CON Dynamic Contrast 85 A 3BRI Dynamic Brightness 60 A 3COL Dynamic Colour 60 A 3SHP D...

Page 7: ...on Description Preset 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 1 EA Bit 0 ROMANIA 0 EA 5 OP5 Bit Function Description Preset Remark Bit 7 STORE_AV 1 Enable 1 EA Bit 6 OSO 1 Enable 0 EA Bit 5 SOFR_CHANGE 1 Enable 0 EA Bit 4 FADE 1 Enable 0 EA Bit 3 SOUND_M 1 Enable 0 EA Bit 2 SOUND_I 1 Enable 0 EA Bit 1 SOUN...

Page 8: ...DESCRIPTION STAND BY output 1 In STAND BY mode low level Power OFF For Power ON this pin will be high SCL 2 I 2 C bus clock line SDA 3 I 2 C bus data line TUNING 4 tuning Voltage Vt PWM output KEY 5 Control keys input SYSTEM 6 TV system control VOL 7 Sound Volume control PWM output MUTE 8 Sound mute output VSSC P 9 Digit ground for µ controller core and periphery CTL 10 DVD power control STANDBY 1...

Page 9: ... B input U B Y input 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 processor 3 3 V VPE 55 Ground VDDC 56 Digital supply to core 3 3 V OSCGND 57 Oscillator ground supply XTALIN 58 Crystal oscillator input XTALOUT 59 Crystal oscillator output RESE...

Page 10: ... V FEEDBACK 9 Vertical 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 1Vpp V CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H TDA9370PIN53 2 5Vpp 2 5Vpp 3 8Vpp H H H TDA9370PIN52 TDA9370 PIN51 TDA9370 PIN33 TDA9370 PIN34 0 8Vpp V TDA9370 PIN21 TDA9370 ...

Page 11: ... 38 39 40 41 42 43 44 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 5 6 7 8 9 V 0 8 0 7 16 6 9 0 43 7 2 0 3 7 2 AN 7522N PIN 1 2 3 4 5 6 7 8 9 10 11 12 V 10 4 4 0 4 4 2 75 1 4 0 1 4 0 35 4 4 0 4 4 24C08 PCF8598 PIN 1 2 3 4 5 6 7 8 V 0 0 5 1 0 3 2...

Page 12: ...the screen Fig 3 8 Move 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 10 Input a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted CRT WEDGE DEFLECTION YOKE...

Page 13: ...t convergence DYNAMIC 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 and 2 above and make the best convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the 6 magnets with glue FRO...

Page 14: ...o has no sound 1 Check if all the signals of DATA MCLK BCLK LRCK and reset required by the Audio DAC are exist if 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 corresponding pins of MT1379 If it is still OK it is probably the problem on MT1379 itself 2 All th...

Page 15: ...0401336 1 DVD STAND MTAC7014AA Q 90204556 1 DVD SHIELD UP 90100709 1 DVDSHIELD DOWN 90100710 1 SCREW SJ2824 87 ST3X12F 90600034 4 DVD ASS Y DC005B 94006927 1 BACK CABINET MTFC7011AJ Q 90204557 1 SCREW SJ2825 87 ST3X10F 90600037 1 AV LABEL 69 6X71 4 90204538 1 HIGH VOLTAGE SPACER TEM101 90200008 1 DVD DOOR MTAH7008AA Q 90204558 1 POWER CORD CLIP MTAH7005AA Q 90205627 1 SCREW SJ2824 87 SJ4X16F 90600...

Page 16: ...05 E A 94100097 1 R414 METAL OXIDE RESISTOR RY17S 2W 1K J 05 E A 94102457 1 R413 METAL OXIDE RESISTOR RY17S 2W 7 5K J 05 E A 94100098 1 R810 METAL OXIDE RESISTOR RY17S 2W 18K J 17 5 L A 94102580 1 R802 METAL OXIDE RESISTOR RY17S 2W 33K J 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 5...

Page 17: ...1 C808 ELECT CAPACITOR CD263 160V 100µF M 07 A 94200736 1 C411 ELECT CAPACITOR CD288H 250V 22uF 20 05 G A 94201604 1 C801 ELECT CAPACITOR CD293 400V 150µF M 10 A 94201341 1 C852 ELECT CAPACITOR CD110X 16V 1000µF M F05 94200802 1 N201 IC TDA9370PS N2 A 94401831 1 N202 IC M24C08 BR24C08 94400636 1 N202 IC PC817C 94400036 1 N703 IC TC4052BP 94400138 1 N805 IC KA78R12 94401924 1 N702 IC HEF4053 944005...

Page 18: ...RBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R265 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R715 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R735 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R733 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R734 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 RS03 CARBON FILM RESISTOR RT13 1 6W 75 J T 94100067 1 R718 CARBON FILM RESISTOR RT1...

Page 19: ...LM RESISTOR RT13 1 6W 3 3K J T 94101328 1 R846 CARBON FILM RESISTOR RT13 1 6W 3 3K J T 94101328 1 R229 CARBON FILM RESISTOR RT13 1 6W 3 9K J T 94100071 1 R830 CARBON FILM RESISTOR RT13 1 6W 3 3K J T 94101328 1 R105 CARBON FILM RESISTOR RT13 1 6W 3 3K J T 94101328 1 R211 CARBON FILM RESISTOR RT13 1 6W 4 7K J T 94100029 1 R212 CARBON FILM RESISTOR RT13 1 6W 4 7K J T 94100029 1 R207 CARBON FILM RESIS...

Page 20: ...XIDE RESISTOR RY15S 1 2W 470K J T 94100090 1 R823 METAL OXIDE RESISTOR RY15S 1 2W 470K J T 94100090 1 R807 RESISTOR RS11 1 2W 3 3M K T 94100103 1 RX801 RESISTOR RS11 1 2W 3 3M K T 94100103 1 R260 METAL FILM RESISTOR RJ13 1 6W 9 1K J T 94100106 1 R262 METAL FILM RESISTOR RJ13 1 6W 9 1K J T 94100106 1 R259 METAL FILM RESISTOR RJ13 1 6W 100K J T 94102210 1 R228 METAL FILM RESISTOR RJ13 1 6W 39K G T 9...

Page 21: ... J F05 94201458 1 CS01 CAPACITOR CL11 63V 1000pF J F05 94201459 1 C803 CAPACITOR CL11 63V 0 047µF J F05 94201458 1 C217 CAPACITOR CL21X 63V 224 J F 94201463 1 C850 CAPACITOR CL21X 63V 224 J F 94201463 1 C725 CAPACITOR CD71 50V 1uF M F05 94200994 1 C247 ELECT CAPACITOR CD71 50V 1uF M F05 94200994 1 C253 ELECT CAPACITOR CD71 50V 1uF M F05 94200994 1 C401 CAPACITOR CL21X 100V 103 J F 94200095 1 C413 ...

Page 22: ... L102 INDUCTOR LGA0203 100 K T 94500021 1 L202 INDUCTOR LGA0203 100 K T 94500021 1 L206 INDUCTOR LGA0203 100 K T 94500021 1 L207 INDUCTOR LGA0203 100 K T 94500021 1 L208 INDUCTOR LGA0203 100 K T 94500021 1 L306 INDUCTOR LGA0305 10uH J T52 94500264 1 L402 INDUCTOR LB3 5 5 2 F 94500027 1 L804 INDUCTOR LB3 5 6 3 T 94500028 1 DZ831 DIODE 1N4148 T 94400049 1 VD201 DIODE 1N4148 T 94400049 1 VD202 DIODE ...

Page 23: ...11 1 2W 1 8K K T 94100102 1 R516 CARBON FILM RESISTOR RT13 1 6W 270 J T 94100795 1 R521 METAL OXIDE RESISTOR RY17 2W 18KΩ J 20 D 94102168 1 R522 CARBON FILM RESISTOR RT13 1 6W 220 J T 94100019 1 R523 CARBON FILM RESISTOR RT13 1 6W 390 J T 94100134 1 R524 RESISTOR RS11 1 2W 1 8K K T 94100102 1 C508 ELECT CAPACITOR CD110X 250V 10µF M F05 94200728 1 C509 CERAMIC CAPACITOR CD110X 250V 4 7µF M F05 9420...

Page 24: ...5 94000480 1 P TACT SWITCH K66T 1B BL 6 5 94000480 1 OPEN CLOSETACT SWITCH K66T 1B BL 6 5 94000480 1 PLAY TACT SWITCH K66T 1B BL 6 5 94000480 1 STOP TACT SWITCH K66T 1B BL 6 5 94000480 1 CN01 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 SWITCH KF...

Page 25: ...25 C11 ELECT CAPACITOR CD110X 16V 100µF M F05 94200747 1 C12 ELECT CAPACITOR CD110X 16V 47µF M F05 94200988 1 Exploed view 1 2 3 4 5 6 7 8 9 ...

Page 26: ...TY REMARK 1 0090503696 Switch batton 1 2 0090204556 Front frame 1 3 0090204556 Dvd stand 1 4 0094006927 Dvd 1 5 0090204546 Main board stand 1 6 0094009819 Main board 1 7 0094000748 CRT 1 8 0094008903 Speaker 2 9 0090204557 Rear cover 1 Exploded view part list ...

Page 27: ... VSS VDD PTC SCL SDA N202 24C08 MUTE CN602 CN601 B SCL SDA AGC 9 GND BT 11 IF 10 8 3 1 5 4 6 7 2 TU101 ENV56DB4G3 16V 10µF C107 104 C202 C201 10u KA33V DZ201 A1 33V D1510C SF101 MTZJ9 1B DZ101 16V 47µF C108 BF370 V101 1 6W 10 R104 1 6W 13K R105 1 6W 470 R106 25V 220µF C102 MTZJ5 1B DZ102 63V 0 1µF C101 1 6W 68K R261 1N4148 VD217 1 6W 9 1K R260 1 6W 1K R227 1 6W 9 1K R262 B4 12V C214 104 SYSTEM 1W ...

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