Haier 28T9G, Service Manual

Page 1: ... Features DIGITAL IC2 BUS CONTROL AUTO SEARCH TUNING 250 PROGRAMS STORED FULL INFRARED REMOTE CONTROL MULTI PICTURE MODES SELECTION MULTI FUNCTION TIMER APPOINTING PROGRAMME Serial Number 0010540329 Version 00 00 Edition 2007 04 23 COLOR TELEVISION Model 29T9G ...

Page 2: ...lumination and series introduction 2 9 T 9G Appearance serial Superflat CRT CRT Catercorner 29 Features DIGITAL IC2 BUS CONTROL AUTO SEARCH TUNING 250 PROGRAMS STORED FULL INFRARED REMOTE CONTROL MULTI PICTURE MODES SELECTION MULTI FUNCTION TIMER APPOINTING PROGRAMME 2 ...

Page 3: ...Up Down Power Standby Program Up Down MENU Mute Lock Call Direct Access Numeric Keys Quick View ZOOM Picture Effect 2 1 3 4 5 6 7 8 9 0 QV TIMER SOUND V V P MENU P PIC TV AV Picture MENU Time MENU Sound MENU 2 REMOTE CONTROLLER ...

Page 4: ...ow fading on off 26 Semitransparent menu ＹＥＳ 27 Non flshing channel changing 28 ZOOM YES 29 16 9 mode YES 30 Games 31 Calendar YES 32 Child lock YES 33 Multi functional lock ＹＥＳ 34 No picture listening 35 Background light 36 Auto timer on YES 37 CCD ＹＥＳ 38 SOFTWARE V CHIP ＹＥＳ NO FUNCTION 39 NO of built in speakers 2 40 Audio output power W 4W 4W 41 Total power input W 140 42 Voltage range V 110 25...

Page 5: ...ntal shorts of the circuitry that might be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with a specified one When replacing a high wattage resistor Oxide Metal Film Resistor over 1W keep the resistor 10mm away from PCB Keep wires away from high voltage or high temperature parts Due to the high vacuum and large surface...

Page 6: ...ure 2 In order to prolong the using life of the TV set please place it on a ventilated place 5 Don t open the back cover otherwise it is possible to damage the components in the TV set and harmyou 3 Don t place the TV set in the sunshine or near heatsource 6 When the TV set isn t going to be used for long time or it is in thunder and lightening please pull out the plug fromAC outlet and the antenn...

Page 7: ...of electrolytic capacitors may result in an explosion hazard d Discharging the picture tube anode 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Discharge the picture tube anode only by a first connecting one end of an insulated ...

Page 8: ...in off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to preve...

Page 9: ...ip to reach normal temperature 500 o F to 600o F b Heating the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 o F to 600o F b...

Page 10: ...t body Bend into a U shape the end of each of three leads remaining on the circuit board Bend into a U shape the replacement transistor leads Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement Heat an...

Page 11: ...epair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connections 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 Carefully scratch away the solder resist and acrylic coating if used from the end of the...

Page 12: ...per pattern Warning and Cautions 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so that it does not touch components or sharp edges 12 ...

Page 13: ...i2 ARi1 ALi2 ALi1 24C04 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 Vi1 OUT1 OUT1 Vi2 OUT2 OUT2 AN7522 CRT TDA9859 A OUTR A OUTL MAIN L MAIN R SDA SCL AV2 R AV2 R M OUTR M OUTL AV1 L AV2 L audio audio bus bus audio TDA9874 audio 5V XS303 7 4 5 1 2 6 7 8 S TRAP Vo V2i V1i Y Cr Cb video video C Y 4052 video video video TDA93XX S VHS ARo ALo POWER ...

Page 14: ...switch Automatic volume leveling Automatic volume leveling or Subcarrier 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 6...

Page 15: ...block diagram and PHILIPS UOC functional difference between the various Block diagram TDA93xX PS N2 series with mono intercarrier sound demodulator 15 ...

Page 16: ... 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 VOL VOL keys 5 Pres...

Page 17: ...line correspond to CRT vertical center d Adjust H SHIFT to 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 ...

Page 18: ...X USA M5 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 O...

Page 19: ...LUR 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 31 PERSI...

Page 20: ...1 1 VOLPIN OPEN DRAIN OPEN DRAIN M1 BAND 0 2 2 AV CFG 0 9 3 9AVMODE 9 SCART MODE NTSC MX USA VIDEO OUT CVBS PIN5 NTSC PRO 0 3 0 STARTTIME 0 15 10 M2 VISION IF 38 9M DK ON OFF ON BG ON OFF ON I ON OFF OFF M ON OFF OFF SIF PREFER DK AUTO SOUND ON OFF ON M3 START ON 0 2 0 ENGLISH ON OFF ON ARABIC ON OFF ON PERSIAN ON OFF ON TURKISH ON OFF ON FRANCE ON OFF ON RUSSIA ON OFF ON BULGARIA ON OFF ON PORTUG...

Page 21: ...1 6 25 8 29 10 34 SC BRI 20 M5 OSD VPOS 53 OSD HPOS 15 WIDE 15 ZOOM 59 NENU TITLE 3 E2PROM AORESS 0 33 E2PROM VALUE 0 95 E2PROM WRITE M6 SHIPMODE Searchspeed 3 M7 AGC TOP 25 AGC AGCSPEED 1 SP1 20 SP25 50 SP50 75 M8 FREQUENCY 50HZ VSLOPE 37 VSHIFT 32 VAMP 51 VSCOR 30 HSHIFT 36 RGB HSHIFT 63 8 RGB HPOS 0 WIDE 0 63 HPARA 0 63 HBOW 0 63 EWPARA 0 63 ...

Page 22: ...f LOGO It s range is from 0 to 7 VALUE 0 1 2 3 4 5 6 7 COLOR RED BLUE GREEN CYAN ORANGE PINK YELLOW WHITE z when E2PROM ADRESS 3 to adjust E2PROM VALUE may be changed size of LOGO It s range is from 0 to 3 z when E2PROM ADRESS 4 33 to adjust E2PROM VALUE may be changed character of LOGO It s range is from 0 to 95 0 8 16 24 32 40 48 56 64 72 80 88 0 8 H P X h p x 1 9 17 25 33 41 49 57 65 73 81 89 1...

Page 23: ...23 5 E M U e m u 3 4 6 14 22 30 38 46 54 62 70 78 86 94 6 F N V f n v 7 15 23 31 39 47 55 63 71 79 87 95 7 G O W g o w ...

Page 24: ...cessor SECPLL 13 SECAM PLL decoupling VP2 14 2nd supply voltage 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 i...

Page 25: ...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 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 AV...

Page 26: ...XT 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 Pin No 6 Control k...

Page 27: ...ocessor Symbol Pin Function Symbol Pin Function AV1L 1 AV1 Audio Left input AV1R 32 AV1 Audio input Right P1 2 Not used P2 31 Not used MAINL 3 Main Audio Left input AV2R 30 AV2 Audio input Right CSMO 4 Smoothing Capacitor CPS1 29 Pseudo stereo Cap 1 MAINR 5 Main Audio Right input AV2L 28 AV2 Audio input Left VP 6 Power Supply CPS2 27 Pseudo stereo Cap 2 OUT R 7 Right Output OUT L 26 Left Output GN...

Page 28: ...6Vpp TDA93XX TDA93XX H H TDA93XX TDA93XX TDA93XX V 0 8Vpp 3 8Vpp 2 5Vpp 2 5Vpp TDA93XX TDA93XX TDA93XX H H H H 95Vpp 95Vpp CRT KR CRT KB CRT KG H H 95Vpp V 1Vpp TDA93XX H H TDA93XX 2 7Vpp V451 B H 0 9Vpp 5Vpp V451 C 1000Vpp H 22Vpp T511 PIN7 H H 300Vpp 28 ...

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Page 31: ... antenna Direction station and connection of the antenna Interference from electric appliance Automobile Motor Vehicle Fluorescence lamp etc Volume Sound mute The power plug isn t plugged in AC outlet The main power isn t turned on The setting up of contrast brig htness and volume Adjust color control Adjust channel again Moving the TV set or using magnetic electric appli ance near TV Which will l...

Page 32: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com 32 ...