Haier HT-2180 Service Manual Download

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HT-2180

COLOUR TELEVISION

Service Manual

Features

218 programs stored

Ａｕｔｏ－ｃｏｒｒｅｃｔｉｎｇ　　ｂｌａｃｋ　　ｂａｌａｎｃｅ　

Audio/video input, S-Video input

Haier Group

NO:M-EE-HT-2180-1238 Edition:2003.1.20

Summary of Contents for HT-2180

Page 1: ...HT 2180 COLOUR TELEVISION Service Manual Features 218 programs stored Ａｕｔｏｃｏｒｒｅｃｔｉｎｇｂｌａｃｋｂａｌａｎｃｅ Audio video input S Video input Haier Group NO M EE HT 2180 1238 Edition 2003 1 20 ...

Page 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 23 12 Circuit Explanation 26 13 Adjustment 31 14 Exploded View 32 15 List of Parts 33 16 Damageable Parts List 51 17 Information of Resistors and Capacitors 52 Contents ...

Page 3: ... Product Code illumination and Series Introduction H T 21 80 Product Code illumination and Series Introduction Haier Company of Signal processor IC TD Toshiba CRT size unit inch Color television appearance ...

Page 4: ...picture listening 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 NO of built in speakers 2 17 AUDIO Auto volume leveling 40 Audio output power W 3 18 AV input 41 Total power input W 70 19 AV output 42 Voltage range V 90 250 20 DVD terminal 43 Power frequency Hz 50 60 21 S video jack 44 Time of sleep...

Page 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...

Page 6: ...lease 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 disp...

Page 7: ... then b touch 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 spray 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...

Page 8: ... protective package until immediately before you are ready 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 de...

Page 9: ...d to remove and replace the IC When working with boards using the familiar round 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 Replac...

Page 10: ... Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component 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 th...

Page 11: ... Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to insure that a hazardous condition will not exist if the jumper wire opens 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 Connect insulated 20 gauge jumper wire from the lead of the nearest compo...

Page 12: ...11 6 Net dimension Haier HT 2180 Net dimension Front view Side view back view ...

Page 13: ...arts and Functions MENU TV AV PRO Power switch button Infrared sensor window Power indicator Programme up down button Volume up down button TV AV alternating button Menu display button Parts and Functions ...

Page 14: ...urn the remote control unit upside down Press down the grip of battery compartment and slide the grip in the di rection of the arrow figure 2 2 Install two new batteries make sure that battery polarity matches with the marks inside the battery compartment o therwise it can damage the unit figure 3 Remote Controller Functions 8 Remote Controller Functions Remote Controller ...

Page 15: ...l up the tune program menu on the screen Then Press the menu item to select it Use the key to select the bar Manual search program then press the to make sure 3 Deleting channel number Press Program up down buttons to select a channel to skip Press MENU to call Menu then use the key to call up the tune program menu on the screen Then Press the menu item to select it Use the key to select the bar C...

Page 16: ...0 GCUT GREEN CUT OFF BALANCE 20 BCUT BLUE CUT OFF BALANCE 20 GDRV GREEN DRIVE BALANCE 40 BDRV BLUE DRIVE BALANCE 40 CNTX CONTRAST MAX VALUE 3F BRTC BRIGHTNESS 48 COLC NTSC COLOUR CENTER VALUE 40 TNTC TINT CENTER VALUE 40 COLP PAL COLOUR CENTER VALUE 20 COLS SECAM COLOUR CENTER VALUE 40 SCNT SUB CONTRAST 0B CNTC SUB CONTRAST CENTER VALUE 30 CNTN SUB CONTRAST MIN VALUE 00 BRTX SUB BRIGHTNESS MAX VAL...

Page 17: ...Y 08 SRY SECAM R Y 08 RAGC RADIO FREQUENCY AGC 23 AFT AUTO FREQUENCY TRACE 15 HAFC HORIZONTAL AUTO FREQUENCY CONTROL 00 V25 25 PERCENT OF VOLUME 25 V50 50 PERCENT OF VOLUME 50 BRTS SUB BRIGHTNESS 00 VM2 SYS 24 MOD0 MODE0 41 MOD1 MODE1 17 MOD2 MODE2 DC NO SIGNAL LEFT NO SIGNAL LEFT 04 NO SIGNAL RIGHT NO SIGNAL RIGHT 70 NO SIGNAL DTOP NO SIGNAL DTOP NOSIGNAL DBOTTOM NO SIGNAL DBOTTOM WAIT TIME WAIT ...

Page 18: ... resistors are normal Check 12V 9V 5V Check V552 or CPU POWER control circuit Check D902 V902 and V901 There is breakdown in horizontal circuit and N201 Check switch power circuit Check if rectifier diodes breakdown Replace the rectifier diodes Loading has breakdown Normal Abnormal Normal Abnormal Abnormal Normal Abnormal Normal Abnormal Normal Maintenance Service and Trouble ...

Page 19: ...e and connector electrode of v411 Check the circuit between pin 32 at N210 and H drive grade Check all voltages of pins at X602 The heater resister is broken Check the connector electrode voltage of V411 There is breakdown in horizontal drive grade Check V444 T401 R437 Check if FBT T402 V411or C415 C416 are leakage of electricity Check if pin 28 voltage 9V at N201 is normal Rechange bad components...

Page 20: ...R448 are rosin joint and the resistor value of R448 changes larger Check the external circuit of N201 and N201 Normal There is breakdown in the vertical output grate Check if the connector of the deflection yoke is connected well and C433is rosin joint or cutoff and the external circuit of N402 and N402 Check 26V power circuit YES NO YES NO YES NO 3 Maintenance Service and Trouble shooting ...

Page 21: ...ers has snapping If power amplifier is normal check N201 sound IF circuit and N201 Break the connector electrode of V701 let the black meter rod tap pin 6 at N701 see if the speakers have snapping Check if there is 19V voltage Check sound power amplifier N701 and circuit speaker Check 19V power circuit 4 Yes No Yes No Yes No Maintenance Service and Trouble shooting ...

Page 22: ...n every pin of tuner Check picture IF channel and V231 V212 N201 Aerial system or tuner breaks down Check the circuit between CPU and tuner NO YES YES NO YES NO NO red Check if V622 is rosin joint or break Replace V622 or joint Check the voltage of pin 1 at XS602 Check V621 R621 Check the circuit between pin 18 at N201 and pin 3 at XS261 YES NO YES NO 5 6 Maintenance Service and Trouble shooting ...

Page 23: ...is black words Check L902 C926 C925 Check the circuit between pin 22 pin 24 Replace the compartments Normal Abnormal Check the circuit between V922 R915 C450 and pin 5 at FBT Maintenance Service and Trouble shooting ...

Page 24: ...23 11 Circuit Diagram Circuit Diagram ...

Page 25: ... unit band pass high pass filter H OUT 6dB Video unit Color subcarry trap circuit EXT Y IN 6dB EXT C IN EXT A IN unit Circuit Block Diagram Circuit Block Diagram IF video color RGB H V oscillation scan signal prossing SAW Sound power amf H output V output CRT CPU Infrared sensor Remote co EPROM AV input output ...

Page 26: ......

Page 27: ...s and parameters N402 LA7830 LA7833 Reference Resistance KΩ No Function Reference Voltage V Forward Backward 1 Grounding 0 0 0 2 Output 14 0 45 1 6 3 Pump power supply output 24 26 0 5 4 Field scanning sawtooth signal input 0 9 0 9 1 5 Field scanning sawtooth signal forming terminal 0 8 0 65 1 4 6 Field power supply 24 26 0 5 4 5 7 Field power supply input 1 9 0 72 30 N701 LA4275 Reference Resista...

Page 28: ... 0 9 0 450 600 18 R signal output 3 0 3 0 760 1500 19 G signal output 3 0 3 0 760 1500 20 B signal output 3 0 3 0 720 1400 21 ABCL control pin 5 6 5 6 820 2000 22 Field sawtooth wave forming 4 1 4 1 750 2000 23 Field feedback signal 5 0 5 0 820 2000 24 Field driving signal output 0 9 0 9 720 900 25 Field AGC 1 8 1 8 800 2000 26 Bus clock signal 5 0 5 0 720 15000 27 Bus data signal 5 0 5 0 720 1500...

Page 29: ...0 53 SIF signal input and horizontal curve correction 4 5 4 5 820 2000 54 SIF smooth filtering 5 6 5 6 800 1300 55 External audio input 4 2 4 2 800 2000 56 FM DC negative feedback 3 5 3 5 800 2000 N901 TMP87CK38N 87CM38N Reference Voltage V Reference Resistance Pin Function Without signal With signal Forward Ω Backward Ω 1 Power supply grounding 0 0 0 0 2 Tuning voltage output 700 8000 3 Vacant pi...

Page 30: ...ference Resistance Pin Function Without signal With signal Forward Ω Backward Ω 19 Vacant pin 0 0 620 10000 20 Vacant pin 0 0 620 10000 21 Grounding 0 0 0 0 22 Red primary color character output 0 0 620 2200 Circuit Explanation ...

Page 31: ...0 40000 34 Vacant pin 5 0 5 0 700 10000 35 Infrared receiving input 5 0 5 0 700 10000 36 Line synchronizing signal input 4 7 4 7 700 10000 37 Clock bus control 2 9 2 9 700 10000 38 Data bus control 3 2 3 2 700 10000 39 Vacant pin 0 0 700 10000 40 Vacant pin 4 6 4 6 700 10000 41 Vacant pin 0 0 700 10000 42 Power supply 5 0 5 0 420 2700 N101 LA7910 Reference Voltage V Reference Resistance Pin Functi...

Page 32: ...justment A Receive electronic circular signal B Set picture mode on standard mode C Adjust focus potentiometer until the optimum picture is achieved 4 White balance adjustment A Set the picture mode on standard mode B Enter the Factory state and adjust WPR WPG WPB RED and GRN C Coordinate of reference white color X 0 281 Y 0 311 5 Adjustment of horizontal and vertical position and size A Switch on...

Page 33: ...5 CRT 0094004661 54SX503Y22 DC01 1 6 DEGAUSSING COIL CLIP 0090800171 BJZ0001 4 7 COMBINED NUT 0090600069 M6 4 8 CRT GROUND AS 0090400232 JE221 02 4 1 9 DEGAUSSING COIL 0094500875 HXC 54 1 10 MAIN BOARD 0094002328 BXA5096 J 1 11 BRACKET 0090200419 MTAC5002AC 1 12 SCREW 0090600075 SJ2825 87 ST3 10F 4 13 BACK COVER 0090200262 MTAA0097AC 1 14 SCREW 0090600014 SJ2824 87 ST4 20F 8 15 LABEL 0090202207 MT...

Page 34: ...16Ω 2 0090801684 Back cover assembly BJH5033 Q 1 0090200262 Back cover MTAA0097AC Q 1 0090200264 PVC cover MTAH0057AJ Q 1 0090300079 Cloth 15 200 2 0090300080 Cloth 15 320 2 0090200265 Mains cord clamp MTAJ0015AG Q 1 0090500102 Plastic cover 21 1 0090501814 Carton MTED5181CA Q 1 0090500189 Top pad MTEE0073AK Q 1 0090500190 Bottom pad MTEE0074AK Q 1 0090100165 Staple 65 2 8 0090500094 Accessory pok...

Page 35: ...3 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R244 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R403 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R601 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R611 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R621 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R703 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R937 0094100021 Resister RT13 1 6W 560Ω 5 T 1 R115 0094100023 Resister RT13 1 6W ...

Page 36: ...94100029 Resister RT13 1 6W 4 7KΩ 5 T 1 R989 0094100029 Resister RT13 1 6W 4 7KΩ 5 T 1 R213 0094100721 Resister RT13 1 6W 5 6KΩ 5 T 1 R263 0094100721 Resister RT13 1 6W 5 6KΩ 5 T 1 R511 0094100721 Resister RT13 1 6W 5 6KΩ 5 T 1 R905 0094100721 Resister RT13 1 6W 5 6KΩ 5 T 1 R906 0094100721 Resister RT13 1 6W 5 6KΩ 5 T 1 R253 0094100031 Resister RT13 1 6W 6 8KΩ 5 T 1 R933 0094100031 Resister RT13 1...

Page 37: ...esister RT13 1 6W 47kΩ 5 T 1 R104 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R256 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R900 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R930 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R970 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R981 0094100800 Resister RT13 1 6W 47kΩ 5 T 1 R446 0094100038 Resister RT13 1 6W 56KΩ 5 T 1 R448 0094100038 Resister RT13 1 6W 56KΩ 5 T 1 R10...

Page 38: ...C236 0094201088 Capacitor CC1 08 CH 63V 100pF J F 1 C257 0094201088 Capacitor CC1 08 CH 63V 100pF J F 1 C951 0094200979 Capacitor CT1 05 2B4 63V 220pF K F 1 C952 0094200979 Capacitor CT1 05 2B4 63V 220pF K F 1 C953 0094200979 Capacitor CT1 05 2B4 63V 220pF K F 1 C954 0094200979 Capacitor CT1 05 2B4 63V 220pF K F 1 C971 0094200979 Capacitor CT1 05 2B4 63V 220pF K F 1 C972 0094200979 Capacitor CT1 0...

Page 39: ...200008 Capacitor CD110 16V 10μF M F 1 C632 0094200008 Capacitor CD110 16V 10μF M F 1 C975 0094200008 Capacitor CD110 16V 10μF M F 1 C976 0094200008 Capacitor CD110 16V 10μF M F 1 C205 0094200476 Capacitor CD110X 16V 22μF M F 1 C206 0094200476 Capacitor CD110X 16V 22μF M F 1 C107 0094200469 Capacitor CD110X 16V 47μF M F 1 C203 0094200469 Capacitor CD110X 16V 47μF M F 1 C219 0094200469 Capacitor CD1...

Page 40: ...citor CL11 63V 0 022UF K F 1 C274 0094201093 Capacitor CL21X 50V 0 047μF K F 1 C275 0094201093 Capacitor CL21X 50V 0 047μF K F 1 C276 0094201093 Capacitor CL21X 50V 0 047μF K F 1 C238 0094200759 Capacitor CL21X 50V 0 1μF J F 1 C252 0094200759 Capacitor CL21X 50V 0 1μF J F 1 C253 0094200759 Capacitor CL21X 50V 0 1μF J F 1 C254 0094200759 Capacitor CL21X 50V 0 1μF J F 1 C255 0094200759 Capacitor CL2...

Page 41: ...10EB1 T 1 VD921 0094400394 Diode RD3 6EL T 1 VD901 0094400362 Diode RD5 6EB3 T 1 VD519 0094400397 Diode RD8 2EB3 T 1 V231 0094400460 Transistor 2SA1015 Y F 1 V251 0094400460 Transistor 2SA1015 Y F 1 V511 0094400460 Transistor 2SA1015 Y F 1 V631 0094400460 Transistor 2SA1015 Y F 1 V903 0094400460 Transistor 2SA1015 Y F 1 V925 0094400460 Transistor 2SA1015 Y F 1 V201 0094400461 Transistor 2SC1815 Y ...

Page 42: ...B 1 W267 0094101103 Jumper φ0 6mm 7 5mm B 1 W422 0094101103 Jumper φ0 6mm 7 5mm B 1 W432 0094101103 Jumper φ0 6mm 7 5mm B 1 W433 0094101103 Jumper φ0 6mm 7 5mm B 1 W435 0094101103 Jumper φ0 6mm 7 5mm B 1 W436 0094101103 Jumper φ0 6mm 7 5mm B 1 W437 0094101103 Jumper φ0 6mm 7 5mm B 1 W438 0094101103 Jumper φ0 6mm 7 5mm B 1 W463 0094101103 Jumper φ0 6mm 7 5mm B 1 W553 0094101103 Jumper φ0 6mm 7 5mm ...

Page 43: ...0 6mm 10mm B 1 W238 0094101104 Jumper φ0 6mm 10mm B 1 W251 0094101104 Jumper φ0 6mm 10mm B 1 W260 0094101104 Jumper φ0 6mm 10mm B 1 W266 0094101104 Jumper φ0 6mm 10mm B 1 W285 0094101104 Jumper φ0 6mm 10mm B 1 W289 0094101104 Jumper φ0 6mm 10mm B 1 W413 0094101104 Jumper φ0 6mm 10mm B 1 W430 0094101104 Jumper φ0 6mm 10mm B 1 W440 0094101104 Jumper φ0 6mm 10mm B 1 W504 0094101104 Jumper φ0 6mm 10mm...

Page 44: ...1 W235 0094101106 Jumper φ0 6mm 15mm B 1 W286 0094101106 Jumper φ0 6mm 15mm B 1 W503 0094101106 Jumper φ0 6mm 15mm B 1 W901 0094101106 Jumper φ0 6mm 15mm B 1 W911 0094101106 Jumper φ0 6mm 15mm B 1 W912 0094101106 Jumper φ0 6mm 15mm B 1 WR412 0094101106 Jumper φ0 6mm 15mm B 1 WR569 0094101106 Jumper φ0 6mm 15mm B 1 WR911 0094101106 Jumper φ0 6mm 15mm B 1 WR411 0094101106 Jumper φ0 6mm 15mm B 1 W903...

Page 45: ... C A 1 C505 0094201372 Capacitor CT81 10 2B4 1KV 1000PF K 10 C A 1 C506 0094201372 Capacitor CT81 10 2B4 1KV 1000PF K 10 C A 1 C553 0094201055 Capacitor CT81 10B 2B4 1KV 470PF K 07 C A 1 C554 0094201055 Capacitor CT81 10B 2B4 1KV 470PF K 07 C A 1 C555 0094201055 Capacitor CT81 10B 2B4 1KV 470PF K 07 C A 1 C560 0094201055 Capacitor CT81 10B 2B4 1KV 470PF K 07 C A 1 C630 0094201061 Capacitor CT81 10...

Page 46: ...D505 0094400474 Diode RM11C 15 V 1 VD506 0094400474 Diode RM11C 15 V 1 D902 0094400636 IC CAT24C08P 1 N101 0094400314 IC LA7910 1 D901 0094400869 IC 87CM38N 3D27 V2 0 1 N201 0094400343 IC TB1238AN 1 N202 0094400138 IC TC4052BP 1 N251 0094400757 IC TA1275AZ 1 N904 0094400437 Diode UPC574J 1 V921 0094400441 Transistor 2SB764 E D A 1 V552 0094400442 Transistor 2SB892 S D A 1 V101 0094400660 Transisto...

Page 47: ...37 Fuser holder MTBJ0001BB Q 1 XS212 0094300096 Connect housing AV6 8 4 8B 1 XS203 0094300097 S Video terminal S 8 1 0090200119 LED holder MTAJ0003AG Q 1 VD923 0094400282 Diode BT205 L 1 A901 0094000216 Infrared sensor HS0038 1 SW501 0094000207 Power switch KDC A05 8A 1 0090400441 Mains cord JPRVVZ202NKDQ 1 0090800179 heatsink assembly BJB0120 Q 1 0090800180 heatsink assembly BJB5003 Q 1 009010011...

Page 48: ...PXE5102 Q 1 R901 0094100779 Resister RT13 1 6W 22KΩ 5 T 1 R904 0094100779 Resister RT13 1 6W 22KΩ 5 T 1 R902 0094100039 Resister RT13 1 6W 68KΩ 5 T 1 R905 0094100039 Resister RT13 1 6W 68KΩ 5 T 1 SW901 0094000440 Push switch KFC A06 21050 1 SW902 0094000440 Push switch KFC A06 21050 1 SW903 0094000440 Push switch KFC A06 21050 1 SW904 0094000440 Push switch KFC A06 21050 1 SW905 0094000440 Push sw...

Page 49: ...1006 Resister RF10 1W 1Ω 5 15 C A 1 XZ601 0094300121 CRT Socket GZS8 6 5A 1 N101 0094400314 IC LA7910 1 N201 0094400343 IC TB1238AN 1 0094400357 IC L7812CV 1 0094400382 Transistor 2SC4237 B A 1 0094400465 Transistor 2SD1651 B A 1 V512 0094400539 Transistor 2SC3807 R B A 1 0094400564 IC NLA7830 NZ 1 0094400565 IC LA4275 1 D902 0094400636 IC CAT24C08P 1 D901 0094400869 IC 87CM38N 3D27 V2 0 1 Damagea...

Page 50: ...lerance CL21X 100V 223 J Type Voltage Value pF Tolerance CL110X 25V 100 F 20 Type Voltage Value Tolerance 104 10 104 223 22 103 Numbering system of resistor Example RY17S 2W 390 J 05 E A Type Wattage Value Tolerance RS11 1 2W 1 8K K Type Wattage Value Tolerance ABBREVIATION OF PART NAME AND DESCRIPTION RESISTOR CAPACITOR PART NAME DESCRIPTION TYPE ALLOWANCE T Carbon F 1 S Solid J 5 J Metal K 10 Y ...

Page 51: ...l 50 Terminal view of transistors E C B B CE KSC2331 YTA B CE KSR1010TA KSR2010TA BC548 CTA EBC CBE KSC815 YTA KSA539 YTA E C B 2SD18887YD Terminal view of transistors ...

Page 52: ...Sincere Forever Haier Group Tel 86 532 8938356 Web site http www haier com ...

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