Haier HTAF29S Service Manual Download | Manualshive

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COLOUR TELEVISION

SERVICE MANUAL

Models

HT

A

F29S

z

Features

z

I

2

C

BUS CONTROL

z

Auto search 181 program presetting and memory

z

ON-TIME,OFF-TIME

z

CCD & V-CHIP

z

SIDE AUDIO/VIDEO INPUT

Serial Number: 0010570608 Version:00.00

Edition: 2007-6-08

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Summary of Contents for HTAF29S

Page 1: ...ERVICE MANUAL Models HTAF29S z Features z I2 C BUS CONTROL z Auto search 181 program presetting and memory z ON TIME OFF TIME z CCD V CHIP z SIDE AUDIO VIDEO INPUT Serial Number 0010570608 Version 00 00 Edition 2007 6 08 ...

Page 2: ...fference between the various IC versions 4 3 Replacement of memory IC 7 4 Service adjustment 7 5 ICs functional description 11 6 Test point waveform 15 7 All ICs transistors voltages 16 8 Purity convergence adjustment 17 9 Circuit diagram 19 10 Material list 21 11 Specification 54 ...

Page 3: ...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 resitor to the anode button 8 When service is required observe the original lead dress Extra precaution should be given to assure corre...

Page 4: ... ALi2 ALi1 S VHS 24C04 POWER UNIT 130V 24V 16V 8V 5V 3 3V CRT PCB V IN TDA8351 V OUT H IN H OUT H OUT DY 200V 15V 15V SCREEN FOCUS TDA93XX Vi1 OUT1 OUT1 Vi2 OUT2 OUT2 AN7522 CRT ALo ARo C Y 4052 TDA9859 A OUTR A OUTL MAIN L MAIN R SDA SCL AV2 R AV2 R M OUTR M OUTL AV1 L AV2 L 7 4 5 1 2 6 7 8 XS303 5V TDA9874 audio audio audio audio video video bus bus video video video ...

Page 5: ...er output for comb filter applications QSS sound IF amplifier with Separate input and AGC circuit AM sound demodulator without Extra reference circuit PAL decoder SECAM decoder NTSC decoder Horizontal geometry E W Horizontal and vertical zoom ROM size 32 64k 32 64k 32 64k 32 64k 64 128 64 128 64 128 64 128 64 128 64 128 64 128 64 128 16 64k 16 64k 16 64k 16 64k 16 64k 16 64k 16 64k 16 64k 16 64k 1...

Page 6: ... 6 ...

Page 7: ...Or Press TEST key on the Remote control unit for factory used 2 The TEST will be displayed on the screen 3 Press digital key Mkey and corresponding on screen display will be appeared Some time PASSWORD on screen display will be appeared you need to input 828 4 Check the setting value of the SYSTEM default value of Table below If the value is different select items by CH CH keys and set value by VO...

Page 8: ...get the picture horizontal center correspond to CRT horizontal center Receive NTSC signal and repeat above M0 and M1 adjustment M7 Menu AGC Adjustment Receive 60dBμ 1mV VH colour bar pattern signal adjust AGC value voltage from high to low to noise reduce gradually and just disappeared point M9 Menu CRTcut off and white balance adjustment Receive white signal a CRT cut off adjustment 1 Select SC t...

Page 9: ...5 OSD VPOS 0 63 53 VIDEO OUT CVBS OSD HPOS 0 59 15 PIN5 NTSC WIDE 0 63 15 PRO 0 3 0 ZOOM 0 63 59 NENU TITLE 0 6 3 M2 VISION IF 38 9M E2PROM ADRESS 0 33 DK ON OFF OFF E2PROM VALUE 0 95 BG ON OFF ON E2PROM WRITE I ON OFF OFF M ON OFF OFF M8 FREQUENCY 50HZ 60HZ SIF PREFER BG VSLOPE 0 63 31 31 AUTO SOUND ON OFF ON VSHIFT 0 63 31 31 VAMP 0 63 31 31 M3 START ON 0 2 0 VSCOR 0 63 31 31 ENGLISH ON OFF ON H...

Page 10: ...LOGO COLUR 0 7 0 PIN5 NTSC LOGO POSITION 0 11 0 PRO 0 3 0 LOGO CHAR SHIPMODE M2 VISION IF 38 9M SEARCH SPEED 0 3 0 DK ON OFF OFF BG ON OFF ON M7 AGC TOP 0 63 25 I ON OFF OFF AGC SPEED 0 3 2 M ON OFF OFF SIF PREFER BG M8 FREQUENCY 50HZ 60HZ AUTO SOUND ON OFF ON VSLOPE 0 63 31 31 VSHIFT 0 63 31 31 M3 START ON 0 2 0 VAMP 0 63 31 31 ENGLISH ON OFF ON VSCOR 0 63 31 31 ARABIC ON OFF OFF HSHIFT 0 63 31 3...

Page 11: ...TV processor 8V DECDIG 15 decoupling digital supply of TV processor PH2LF 16 Phase 2 filter PH1LF 17 Phase 1 filter GND3 18 Ground 3 for TV processor DECBG 19 Band gap decoupling AVL EWD 20 Automatic volume leveling EAST WEST drive output VDRB 21 Vertical drive B output VDRA 22 Vertical drive A output IFIN1 23 IF input 1 IFIN2 24 IF input 2 IREF 25 Reference current input VSC 26 Vertical sawtooth ...

Page 12: ...f Closed Caption decoder and digital supply of TV processor 3 3 V VPE 55 OTP Programming Voltage VDDC 56 digital supply to core 3 3 V OSCGND 57 oscillator ground supply XTALIN 58 crystal oscillator input XTALOUT 59 crystal oscillator output RESET 60 reset VDDP 61 digital supply to periphery 3 3 V P1 0 INT1 62 TV AV AV1 AV2 S VHS mode Output P1 1 T0 63 TV AV AV1 AV2 S VHS mode Output P1 2 INT0 64 R...

Page 13: ... QSSO AMOUT AUDEXT QSSO AMOUT Pin 44 AUDOUT Controlled AM or audio out Note 1 When additional external selectivity is required for FM PLL system pin 32 can be used as sound IF input This function is selected by means of SIF bit in subaddress 28H 2 the reference output signal is only available for the CMB1 CMB0 setting of 0 1 for the other settings this pin is a switch output see also 5 table 67 Pi...

Page 14: ...h 1 output Out 2 10 Ch 2 output Standby 5 Mute input GND out 2 11 Ch 2 Ground In 1 6 Ch 1 input Out 2 12 Ch 2 output Note AN7523 is pin 1 to 9 AN7522 is pin 1 to 12 STV8172A TDA8177 LA78045 Function vertical output Symbol PIN Function Symbol PIN Function INV IN 1 Input V OUT 5 Vertical output VCC1 2 Power VCC2 6 Output power supply PUMP UP 3 Pump up power NON INV IN 7 Negative feedback GND 4 Groun...

Page 15: ...B CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H T511 PIN7 HEATER 300Vpp 22Vpp H H V451 B 2 7Vpp TDA93XX PIN53 2 5Vpp 2 5Vpp 3 8Vpp H H H TDA93XX PIN52 TDA93XX PIN51 TDA93XX PIN33 TDA93XX PIN34 0 8Vpp V TDA93XX PIN21 TDA93XX PIN22 TDA93XX PIN59 1 2Vpp 2 6Vpp H H TDA93XX PIN40 TDA93XX PIN38 ...

Page 16: ... 1 8 3 8 0 3 4 1 5 3 6 2 3 2 6 2 6 2 6 PIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 V 2 3 7 2 2 7 2 7 2 7 3 5 0 3 5 0 1 1 7 1 8 0 3 5 0 1 0 1 5 LA76040 PIN 1 2 3 4 5 6 7 V 0 7 15 12 15 0 3 15 9 0 07 AN 7522 PIN 1 2 3 4 5 6 7 8 9 10 11 12 V 12 7 0 7 3 3 1 4 0 1 4 0 7 0 7 TDA9859 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 V 4 0 0 4 0 8 0 4 0 8 0 4 0 0 4 0 4 0 4 0 4 0 4 0 4 0 PIN 15 16 17 18 19 20 2...

Page 17: ...o the center of 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 Imput 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...

Page 18: ...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...

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Page 21: ...Sincere Forever ...

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