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NO:M-AM-US-20R21-76814 Edition: 2002.12.30

HTX20S32

COLOR TELEVISION

Service Manual

MODEL: HTX20S32

Features

  MTS Stereo
  Front Audio/Video input
  V-CHIP, CCD

Содержание HTX20S32

Страница 1: ...NO M AM US 20R21 76814 Edition 2002 12 30 HTX20S32 COLOR TELEVISION Service Manual MODEL HTX20S32 Features MTS Stereo Front Audio Video input V CHIP CCD ...

Страница 2: ...s 5 6 Net dimension 11 7 Parts and Functions 12 8 Remote Controller Functions 13 9 Program Diagram 14 10 Maintenance Service and Trouble shooting 15 11 Circuit Diagram 18 12 Circuit Explanation 22 13 Adjustment 24 14 Exploded View 27 15 List of Parts 28 16 Damageable Parts List 44 17 Information of Resistors and Capacitors 44 CONTENTS ...

Страница 3: ...2 2 Product Code illumination and Series Introduction H T X 20 S32 Haier Series Name CRT size unit inch Color television appearance Product Code illumination and Series Introduction FLAT CRT ...

Страница 4: ... 12 Left right balancer 35 Background light 13 NICAM 36 Auto timer on 14 Multi audio modes 37 CCD 15 Tone adjuster 38 SOFTWARE V CHIP 16 MTS SAP 39 Number of built in speakers 2 17 AUDIO Auto volume leveling 40 Audio output power W 3 3 18 AV input Rear 1fornt 1 41 Total power input W 70 19 AV output Rear 1 42 Voltage range V 110 220 20 DVD terminal 43 Power frequency Hz 60 21 S video jack Rear 1 4...

Страница 5: ...aged by accidental 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...

Страница 6: ...please place it on a ventilated place 5 Don t open the backcover 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 antenna plug from the cover ofthe TVset Explanation on the dis...

Страница 7: ...ch the other end of the insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage 4 Do not sprays chemicals on or near this receiver or any of its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or ...

Страница 8: ... to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied...

Страница 9: ...und hole use the standard technique as outlined Removal Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement Carefully insert the replacement IC in the circuit board Carefully bend...

Страница 10: ...omponent and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is ...

Страница 11: ...condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern 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 s...

Страница 12: ...11 6 Net dimension Net dimension ...

Страница 13: ...12 7 Parts and Functions Parts and Functions HTF20R21 ...

Страница 14: ...e Select Button 6 Personal Preference Select 7 Channel Select Button 8 Menu Select Button 9 Audio Select Button 9 Audio Select Button 10 Direct Access Channel Select 11 TV AV Input Button 12 Mute Button 13 Sleep Timer 17 1 2 3 6 5 4 7 8 9 0 MENU RECALL RA TING CH VOL CH SOUND P STD Haier HYF 25E R 1 2 3 4 5 6 7 8 9 TV AV DISP Remote Controller Functions ...

Страница 15: ...key to select the bar auto search then press the to make sure If you want to stop press the key 2 Deleting channel number Press channel up down buttons to select a channel to skip Press MENU to call up the PREST menu on the screen Then Press the item to select the bar Add Delete then use the key to select Add or Delete B Volume tuning Press VOLUME buttons VOL to decrease and VOL to increase the vo...

Страница 16: ...ical S Correction 0 31 8 NT V SIZE Vertical Size 32 31 No used 9 NT V LINE Vertical Linearity 16 15 No used 10 NT V POSI Vertical DC 32 31 No used 11 NT V SC Vertical S Correction 16 15 No used 12 RF AGC RF AGC Delay 0 63 13 VOL OUT Volume Control 0 127 14 OSD H POSI 0 127 15 OSD V POSI 0 31 16 INPUT LEVEL 0 15 17 SPECTRAL 0 63 0 31 PHILIP IC 18 WIDEBAND 0 63 0 31 PHILIP IC 19 STEREO VCO 0 63 No u...

Страница 17: ...rap 0 7 Volume Filter Defeat Video IF setting 0 45 75M 1 58 75M For LA76814 Video Level 0 7 FM Level 0 31 0 turn TV on twice 1 memory 2 3 Turn TV on first 0 without AV 1 one AV input 2 two AV input 3 Three AV input No used No used No used No used No used No used NOTHING NOTHING Maintenance service and trouble shooting ...

Страница 18: ... voltage of V552 or CPU power The failure of horizontal unit or N551 N552 Normal Normal Normal Abnormal Checktosee110V 180V etc voltageisnormal Testtoseeallterminal Resistanceofload Isnormal Check powerunit Check to see if rectifying tube is normal Change rectifying tube Check the Loader Abnormal Normal Abnormal Normal Abnormal Normal Abnormal Maintenance Service and Trouble shooting ...

Страница 19: ...18 11 Circuit Diagram Circuit Diagram ...

Страница 20: ... 304 FK 0 1 R 302 100K R 303 270K R 304 10K R 305 1K R 306 39K V 301 2S C1815 RP 301 B 50K RP 302 B 10K V 303 D2012 L301 A A 36 C 306 35V 470 R 307 2 2K R 310 2 7k V 302 2S A1015 C 315 1000 R 313 1SJ5 1 R 312 D J5 6K R 311 2 7K R 308 47k R 309 56K C 305 25V 2 2 R 314 1 2SJ560 R 301 8 2K C 301 35V 47 C 302 35V1000 B4 25V VD 435 E RD 07 15L C 435 1 6K V8200 C 437 400N J0 033 R 441 1 2S D 1K L441 AC ...

Страница 21: ...plifier Video and audio signal Processing RGB Output Circuits and H V Sync pulse segregation SAW Sound Power Amplifier Main Processor Infrared Receiver Remote Controller ROM Audio Video In Out Horizontal Scan Output Vertical Scan Output CRT Antenna Tuner I2 C BUS Circuit Block Diagram ...

Страница 22: ...21 Circuit Block Diagram ...

Страница 23: ...22 12 Circuit Explanation 0 Circuit Explanation ...

Страница 24: ...23 2 N101 LA76814K 1 1 2 3 1 4 1 5 67 108 5 9 5 5 2 0 5 8 2 99 9 0 8 Circuit Explanation ...

Страница 25: ...ent Receive stereo signal recommended audio L 300Hz R 3KHz Connect two inputs of double trace oscillograph into XS601 XS602 note don t make XS601 XS602 outputs short Press FACTORY button on the service remote controller enter ADJUST service mode Press CH or CH select WIDEBAND item and adjust low frequency separation see figure 1 and make it Adjustment ...

Страница 26: ...exit service mode White balance adjustment Turn TV on receive white field signal and make the probe of white balance adjustment instrument touch with top and bottom of screen fully Check if values of R G B are standard if not press FACTORY button make B W BALANCE menu display on screen adjust values of R BIA G BIA B IA R DRV G DRV B DRV make them standard Press FACTORY button exit service mode OSD...

Страница 27: ...H linearity if they are not standard press FACTORY button to enter service mode and adjust vertical size vertical linearity vertical center horizontal center make them standard Alignment parameter table Press FACTORY button on service remote controller and enter service mode 1 Adjustment mode and2 Setting mode Adjustment ...

Страница 28: ...28 MTBH2004BA Q 4 8 Rubber Washer 0090300076 1 mm 4 9 CRT 0094000273 A51LSK195X91 1 10 Degaussing coil clip 0090800171 BJZ0001 Q 4 11 Combined Nut 0090600069 M6 98025 4 12 Degaussing coil 0094500443 HXC 54 1 13 Main Board 0094001805 BXA5070 Q 1 14 Bracket 0090201439 MTAC5017AC Q 1 15 Screw 0090600028 SJ2825 87 ST3 10F 5 16 Back Cover 0090201438 MTAA5050AC Q 1 17 Screw 0090600023 SJ2824 87 ST4 16F ...

Страница 29: ...000018 Speaker YDT613 64AV 10W 8 2 0090300095 Rubber washer 4 8 16 0090100132 Rivet MTBS0004BB Q 8 0090300099 Speaker crash pad 613 2 0090400789 Wire JT2431 10083Q 1 0090400790 Wire JT2551 10083Q 1 0090600023 Screw SJ2824 87 ST4 16F 8 0090600011 Screw SJ2824 87 ST3 10F 2 0090801082 Back cover assembly BJH5022 Q 1 0090201438 Back cover MTAA5050AC Q 1 0090300079 Cloth 15 200 2 0090300080 Cloth 15 32...

Страница 30: ...H 63V 18pF J F 1 C819 0094201088 Capacitor CC1 08 CH 63V 100pF J F 1 C140 0094201227 Capacitor CC1 08 SL 63V 470pF J F 1 C730 0094200980 Capacitor CT1 05 2B4 63V 470PF K F 1 C510 0094200980 Capacitor CT1 05 2B4 63V 470PF K F 1 C771 0094200980 Capacitor CT1 05 2B4 63V 470PF K F 1 C772 0094200980 Capacitor CT1 05 2B4 63V 470PF K F 1 C123 0094200981 Capacitor CT1 06 2B4 63V 1000pF K F 1 C315 00942009...

Страница 31: ...094200008 Capacitor CD110 16V 10 F M F 1 C101 0094200433 Capacitor CD110X 16V 100 F M F 1 C115 0094200433 Capacitor CD110X 16V 100 F M F 1 C450 0094200433 Capacitor CD110X 16V 100 F M F 1 C612 0094200433 Capacitor CD110X 16V 100 F M F 1 C613 0094200433 Capacitor CD110X 16V 100 F M F 1 C622 0094200433 Capacitor CD110X 16V 100 F M F 1 C623 0094200433 Capacitor CD110X 16V 100 F M F 1 C631 0094200433 ...

Страница 32: ...Capacitor CL21X 100V 0 1 F J F 1 C403 0094201465 Capacitor CL21X 63V 0 47 F J F 1 C207 0094201114 Capacitor CL11 100V 0 01 F K F 1 C303 0094200096 Capacitor CL21X 100V 0 1 F J F 1 C304 0094200096 Capacitor CL21X 100V 0 1 F J F 1 C120 0094201232 Capacitor CL11 100V 0 022 F K F 1 C408 0094200096 Capacitor CL21X 100V 0 1 F J F 1 C511 0094201459 Capacitor CL11 63V 1000pF J F 1 C459 0094201231 Capacito...

Страница 33: ...815 Y F 1 V632 0094400461 Transistor 2SC1815 Y F 1 V633 0094400461 Transistor 2SC1815 Y F 1 V703 0094400461 Transistor 2SC1815 Y F 1 V704 0094400461 Transistor 2SC1815 Y F 1 V705 0094400461 Transistor 2SC1815 Y F 1 V801 0094400461 Transistor 2SC1815 Y F 1 V802 0094400461 Transistor 2SC1815 Y F 1 V803 0094400461 Transistor 2SC1815 Y F 1 V804 0094400461 Transistor 2SC1815 Y F 1 V821 0094400461 Trans...

Страница 34: ...23 Resister RT13 1 6W 1K 5 T 1 R109 0094100023 Resister RT13 1 6W 1K 5 T 1 R119 0094100023 Resister RT13 1 6W 1K 5 T 1 R121 0094100023 Resister RT13 1 6W 1K 5 T 1 R201 0094100023 Resister RT13 1 6W 1K 5 T 1 R268 0094100023 Resister RT13 1 6W 1K 5 T 1 R305 0094100023 Resister RT13 1 6W 1K 5 T 1 R402 0094100028 Resister RT13 1 6W 3 3K 5 T 1 R458 0094100023 Resister RT13 1 6W 1K 5 T 1 R509 0094100023...

Страница 35: ...029 Resister RT13 1 6W 4 7K 5 T 1 R826 0094100793 Resister RT13 1 6W 2 4K 5 T 1 R724 0094100029 Resister RT13 1 6W 4 7K 5 T 1 R736 0094100029 Resister RT13 1 6W 4 7K 5 T 1 R738 0094100029 Resister RT13 1 6W 4 7K 5 T 1 R740 0094100029 Resister RT13 1 6W 4 7K 5 T 1 R822 0094100029 Resister RT13 1 6W 4 7K 5 T 1 R108 0094100721 Resister RT13 1 6W 5 6K 5 T 1 R312 0094100721 Resister RT13 1 6W 5 6K 5 T ...

Страница 36: ...79 Resister RT13 1 6W 22k 5 T 1 R755 0094100779 Resister RT13 1 6W 22k 5 T 1 R756 0094100779 Resister RT13 1 6W 22k 5 T 1 R757 0094100779 Resister RT13 1 6W 22k 5 T 1 R758 0094100779 Resister RT13 1 6W 22k 5 T 1 R759 0094100779 Resister RT13 1 6W 22k 5 T 1 R761 0094100779 Resister RT13 1 6W 22k 5 T 1 R762 0094100779 Resister RT13 1 6W 22k 5 T 1 R763 0094100779 Resister RT13 1 6W 22k 5 T 1 R764 009...

Страница 37: ...4100953 Resister RT15 1 2W 1 5K 5 T 1 R460 0094100951 Resister RT15 1 2W 180 5 T 1 R501 0094100956 Resister RT15 1 2W 220K 5 T 1 R555 0094100954 Resister RT15 1 2W 47K 5 T 1 R273 0094101126 Resister RJ14 1 4W 4 7K 1 T 1 R545 0094101138 Resister VR37 1 2W 5 6M 10 T D242 1 R562 0094000862 Fuse 275 2A 1 R569 0094000686 Fuse 275 1A 1 N705 0094400855 IC UPC574J F 1 W758 0094101102 Jumper 0 6mm 5mm B 1 ...

Страница 38: ...m B 1 W759 0094101103 Jumper 0 6mm 7 5mm B 1 W617 0094101103 Jumper 0 6mm 7 5mm B 1 R620 0094101103 Jumper 0 6mm 7 5mm B 1 W605 0094101103 Jumper 0 6mm 7 5mm B 1 W703 0094101103 Jumper 0 6mm 7 5mm B 1 W713 0094101103 Jumper 0 6mm 7 5mm B 1 W716 0094101103 Jumper 0 6mm 7 5mm B 1 W721 0094101103 Jumper 0 6mm 7 5mm B 1 W722 0094101103 Jumper 0 6mm 7 5mm B 1 W734 0094101103 Jumper 0 6mm 7 5mm B 1 W735...

Страница 39: ...m 10mm B 1 W420 0094101104 Jumper 0 6mm 10mm B 1 W421 0094101104 Jumper 0 6mm 10mm B 1 W422 0094101104 Jumper 0 6mm 10mm B 1 W624 0094101104 Jumper 0 6mm 10mm B 1 W704 0094101104 Jumper 0 6mm 10mm B 1 W723 0094101104 Jumper 0 6mm 10mm B 1 W802 0094101104 Jumper 0 6mm 10mm B 1 W507 0094101104 Jumper 0 6mm 10mm B 1 W557 0094101104 Jumper 0 6mm 10mm B 1 W558 0094101104 Jumper 0 6mm 10mm B 1 W601 0094...

Страница 40: ...1 W443 0094101106 Jumper 0 6mm 15mm B 1 W738 0094101106 Jumper 0 6mm 15mm B 1 W472 0094101106 Jumper 0 6mm 15mm B 1 W751 0094101106 Jumper 0 6mm 15mm B 1 C901 0094201226 Capacitor CC1 08 SL 63V 390pF J F 1 C911 0094201226 Capacitor CC1 08 SL 63V 390pF J F 1 C921 0094201226 Capacitor CC1 08 SL 63V 390pF J F 1 C903 0094201228 Capacitor CC1 06 CH 63V 56pF J F 1 C913 0094201228 Capacitor CC1 06 CH 63V...

Страница 41: ...tor CD110 25V 4 7 F M F 1 C16 0094201111 Capacitor CD110 25V 4 7 F M F 1 C01 0094200640 Capacitor CD110 25V 10 F M F 1 C05 0094200640 Capacitor CD110 25V 10 F M F 1 C09 0094200640 Capacitor CD110 25V 10 F M F 1 C10 0094200640 Capacitor CD110 25V 10 F M F 1 C20 0094200640 Capacitor CD110 25V 10 F M F 1 C21 0094200640 Capacitor CD110 25V 10 F M F 1 C19 0094200581 Capacitor CD110X 25V 100 F M F 1 R20...

Страница 42: ...090600070 Screw GB9074 4 88 M3 14 1 0090600066 Nut GB6170 86 M3 1 0090802598 Heat sink assembly BJB5067 Q 2 0090100119 Heat sink assembly MTBT5002BA Q 1 0094400527 IC LA4287 1 0090600074 Screw GB9074 4 88 M3 8 1 0090600066 Nut GB6170 86 M3 1 FU501 0090100118 Fuser holder FC503 1 FU501 0090100118 Fuser holder FC503 1 A701 0094000109 Infrared sensor RPM6938 1 A101 0094003734 Tuner ENV56DB4G3 1 C512 ...

Страница 43: ...58 0094201254 Capacitor CL21X 63V 0 1 F J 05 C A 1 C501 0094202178 Capacitor MKT61 275VAC 0 22 F K 22 G A 1 C502 0094202178 Capacitor MKT61 275VAC 0 22 F K 22 G A 1 C441 0094201593 Capacitor CBB13 200V 0 33 F J 20 B A 1 C437 0094201496 Capacitor CBB13 400V 0 033 F J 15 G A 1 C515 0094201698 Capacitor CBB13 400V 0 022 F J 10 B A 1 C435 0094201324 Capacitor CBB81 1600V 9100PF J 22 B A 1 C438 0094201...

Страница 44: ... 0094101618 Resister RY15 1 2W 1K 5 15 C A 1 R441 0094101618 Resister RY15 1 2W 1K 5 15 C A 1 R506 0094102115 Resister RY16 1W 680 5 15 C A 1 R459 0094100968 Resister RY16 1W 1 5 15 C A 1 R313 0094100969 Resister RY16 1W 5 1 J 15 C A 1 R503 0094101577 Resister RY17 2W 68K 5 20 C A 1 R515 0094101577 Resister RY17 2W 68K 5 20 C A 1 R718 0094100975 Resister RY17 2W 10K 5 20 C A 1 R551 0094101525 Resi...

Страница 45: ...AT24C08P 1 V XS802 0094300173 S Video terminal SZ4 9 2K 1 N701 0094401090 IC LC863232A 5V57 1 V 17 Information of Resistors and Capacitors RESISTORS CAPACITORS PARTS NO CODE Notes 1 part numbers are indicated on most mechanical parts Please use this part number for parts orders 2 The unit of resistance is ohm K 1000 M 1000K 3 The unit of capacitance is F microfarad 1pF 10 6 F Numbering system of C...

Страница 46: ...PTION TYPE ALLOWANCE C Ceramic J 5 T Ceramic K 10 L Film L 15 D Electrolytic M 20 A Tantalum P 100 0 Z 80 0 PART NAME DESCRIPTION TYPE ALLOWANCE T Carbon F 1 S Solid J 5 J Metal K 10 Y Oxide M 20 F Fuse G 2 E C B B CE KSC2331 YTA B CE KSR1010TA KSR2010TA BC548 CTA EBC CBE KSC815 YTA KSA539 YTA E C B 2SD18887YD ...

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