Related Manuals for Haier DTA-1486
Summary of Contents for Haier DTA-1486
- Page 1 DTA-1486 COLOUR TELEVISION SERVICE MANUAL Models: DTA-1486 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
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Page 2: Table Of Contents
Edition: 2005-5-6 CONTENTS Safety precautions……………………………………………………………..……………3 TV block diagram……………………………………………………………………..…….4 Replacement of memory IC………………………………………………………….……5 Service adjustment……………………………………………………………..…………...5 ICs functional description…………………………………………………………………8 Test point waveform………………………………………………………………………10 All ICs voltages……………………………..……………………………………………….10 Purity / convergence adjustment………………………………………………………11 DVD maintenance…………………………………………………………………………13 10. List of Parts ………………………………………………………………………….…….14 11. Circuit diagram……………………………………………………………………………28 12. Exploded view…………………………………………………………………… …29 PDF 文件使用... -
Page 3: Safety Precautions
1. SAFETY PRECAUTIONS The design of this product contains special hardware, many Isolation Check circuits and components especially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the After re-assembling the product, always perform an isolation original design unless authorized in writing by the check on the exposed metal parts of the cabinet (antenna manufacturer. -
Page 4: Tv Block Diagram
Block diagram TDA9351 PS/N3/2 series with mono intercarrier sound demodulator PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn... -
Page 5: Replacement Of Memory Ic
3. REPLACEMENT OF MEMORY IC 1. MEMORY IC. This TV uses memory IC. In the memory IC are memorized data for correctly operating the video and deflection circuits. 2. PROCEDURE FOR REPLACING MEMORY IC (1) Power off Switch the power off and unplug the power cord from AC outlet. (2) Replace IC Be sure to use memory IC written with the initial data values. - Page 6 Adjustable Items Direct access key Items Description Preset Remark “0” Adjust VG2 voltage “1” 5/6HSH Horizontal shift “2” 5/6VSL Vertical slop 5/6VAM Vertical amplitude 5/6SCL S-correction 5/6VSH Vertical shift 5/6VOF OSD Vertical offset HOF* OSD Horizontal offset “3” Black level offset R Black level offset G White point R White point G...
- Page 7 “no signal”osd the horizon XMAX rightmost position “no signal”osd the vertical YMIN leftmost position “no signal”osd the vertical YMAX rightmost position NOTE: THE ITEMS WITH REMARK “A” IS ADJUSTABLE DATA. Optional data Function Description Preset Remark Bit 7 OP_RGB 1=Enable Bit 6 OP_DVD 1=Enable...
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Page 8: Ics Functional Description
Function Description Preset Remark Bit 7 OP_STORE_AV 1= Enable Bit 6 OP_OSO 1= Enable Bit 5 OP_SOFT_CHANGE 1=Enable Bit 4 OP_FADE 1=Enable Bit 3 OP_ SOUND_M 1= Enable Bit 2 OP_ SOUND_I 1= Enable Bit 1 OP_ SOUND_BG 1=Enable Bit 0 OP_SOUND_DK 1=Enable 6. - Page 9 SYMBOL DESCRIPTION STAND BY output. In STAND BY mode, low level (Power OFF). For Power ON this pin will be high. C-bus clock line C-bus data line TUNING tuning Voltage (Vt) PWM output Control keys input SYSTEM TV system control Sound Volume control PWM output MUTE Sound mute output...
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Page 10: Test Point Waveform
Note SVHS 2. N902 24C08/PCF8598 Function Upper resistance SDA data wire SCL clock wire +5V Power 3. N601: Sound power amplify (AN7522N) Symbol Function Symbol Function Power supply ground Out 1 (+) Ch 1 output (+) In 2 Ch 2 input GND(out 1) Ch 1Ground Volume Control... -
Page 11: Purity / Convergence Adjustment
0.9Vpp 5Vpp 95Vpp 95Vpp 95Vpp CRT KR CRT KG CRT KB TDA9351 PIN33 TDA9351 PIN34 1.3Vpp 0.8Vpp 1Vpp TDA9351 PIN21 TDA9351 PIN22 TDA9351 PIN59 7. IC voltages TDA9351 0.18 0.17 TDA8357 AN 7522N 2.75 0.35 24C08/PCF8598 8. PURITY / CONVERGENCE ADJUSTMENT PDF 文件使用... - Page 12 PURITY ADJUSTMENT WEDGE Demagnetize CRT with the demagnetizer. DEFLECTION YOKE Loosen the retainer screw of the deflection yoke. Remove the wedges. Input a green raster signal from the signal generator, and turn the screen to green raster. Move the deflection yoke backward. P/C MAGNETS Bring the long lug of the purity magnets on the short P: PURITY MAGNET...
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Page 13: Dvd Maintenance
STATIC CONVERGENCE ADJUSTMENT 1. Input a crosshatch signal. 2. Using 4-pole convergence magnets overlap the red and blue lines in the center of the screen (Fig. 1) and turn them to magenta (red/blue). (FRONT VIEW) 3. Using 6-pole convergence magnets overlap the magenta (red/blue) and green lines in the center of the screen and turn them to white. -
Page 14: List Of Parts
9. DVD Part: Introduction of MTK1389E maintenance NOTE: MTK1389E is a type of LSIC for DVD decode .MTK1389E IC consists of RF,SERVO,DSP,DECODE,VIDEO DAC and AUDIO DAC. Under normal power supply conditions, the maintenance plan for MT1389E mono-chip is: first the reset circuit resets the MT1389E , after the crystal oscillator circuit gave the clock signal to MT1389E , MT1389E will start the initialization check for Flash、E PROM、SDRAM, after everything is checked to be normal, it will start... - Page 15 0090204510 light transmission pillar MTAA7011AA--Q 0090600011 Tapping Screw SJ2824-87 ST3X10F 0090204511 Nine Buttons MTAA7012AA--Q 0090600011 Tapping Screw SJ2824-87 ST3X10F 0090204513 TOP pad MTAA7014AA--Q 0090204514 Bottom pad MTAA7015AA--Q 0090204512 Power Switch Cap MTAA7013AA--Q 0090100663 Spring MTBH7004BC--Q 0094002137 Speaker YDT0407-9AU-8W-8Ω 0090401453 Speaker Wire (550mm) SpeakerWire -500 0090600012 Tapping Screw...
- Page 16 0090701029 Bracket Subassembly Main Board and DCConnector 0090402257 TJC1-3Y-500-TJC1-3Y Wire 0090204544 Bracket MTAC7013AA--Q 0090600037 Tapping Screw SJ2825-87 ST3X10F 0090201400 Press Bar 0090200038 040Wire Clamp MTAJ1001AG--Q 0094013485 Power Wire Subassembly BJG7006-----Q 0094000141 Power Switch KDC-A04MU017 0090200232 Thermal Shrinkage Pipes 4*20 0090400437 Power Wire 2.3m 0090400587...
- Page 17 0094400808 N802C L7809CS 0090600097 N802B Tapping Screw ST3X8F SJ2831-87 0090100017 N802A Radiator QHS-30184A 0094401684 N601B AN7522N 0090100665 N601A Radiator QHS-30184A 0090600097 N601C Tapping Screw ST3X8F SJ2831-87 0094401923 N804B KA278R05（） 0090100010 N804A Radiator MTBH4070BC--Q 0090600097 N804C Tapping Screw ST3X8F SJ2831-87 0094400450 N808 L7805CV 0094100023...
- Page 18 0094201043 C236 AL Electrolytic Capacitor CD110X-16V-22μF-M-F05 0094201011 C846 AL Electrolytic Capacitor CD110X-25V-1000μF-M-05-A 0094201011 C848 AL Electrolytic Capacitor CD110X-25V-1000μF-M-05-A 0094201319 C811 AL Electrolytic Capacitor CD110X-25V-2200μF-M-05-A 0094201011 C610 AL Electrolytic Capacitor CD110X-25V-1000μF-M-05-A 0094202297 C304 AL Electrolytic Capacitor CD263-100V-33uF-M-05-A 0094202297 C418 AL Electrolytic Capacitor CD263-100V-33uF-M-05-A 0094200736 C808...
- Page 19 S-TerminalSignal Connetor 0090401872 CN702 Three Pins Wire Wire 0090401670 CN706 DVDAudioConnector Wire 0094300106 CN703 Jack TJC3-8A 0090402610 DVDVideoConnector Wire 0090400514 CN810 DVDPowerConnector Wire TJC3-4A 0090401317 CN818 Connector Wire TJC3-2A-2Y-450 CN807-N401(I-G) 0090401671 Connector Wire 两脚 0090400064 Control Wire 150mm 0090401669 CN501 VideoConnector Wire TJC3-8B-3Y-5Y-260mm 0094100101...
- Page 20 0094100017 R235 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R236 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R237 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R245 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R252 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R740 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 R741 Carbon Film Resistor RT13-1/6W-100-J------T 0094100017 W235...
- Page 21 0094100031 R248 Carbon Film Resistor RT13-1/6W-6.8K-J------T 0094100032 R246 Carbon Film Resistor RT13-1/6W-8.2K-J------T 0094100033 R860 Carbon Film Resistor RT13-1/6W-10K-J------T 0094100034 Carbon Film Resistor RT13-1/6W-15K-J------T 0094100034 R862 Carbon Film Resistor RT13-1/6W-15K-J------T 0094100033 R218 Carbon Film Resistor RT13-1/6W-10K-J------T 0094100033 R279 Carbon Film Resistor RT13-1/6W-10K-J------T 0094100033 R214...
- Page 22 0094102733 R313 Metal Film Resistor RJ13-1/6W-1K-F-----T 0094101353 R308 Metal Film Resistor RJ15S-1/2W-1.5-F------T 0094102593 R305 Metal Film Resistor RJ15S-1/2W-1.3-F------T 0094102526 R803 Metal Film Resistor RJ15S-1/2W-390Ω±1%-----T 0094102162 R805 Metal Film Resistor RJ15S-1/2W-600-J------T 0094101354 R819 Metal Film Resistor RJ15S-1/2W-1K-F------T52 0094102851 R420 Metal Film Resistor RJ15S-1/2W-232K-F------T 0094102595 R816...
- Page 23 0094200994 C253 AL Electrolytic Capacitor CD71-50V-1uF-M-F05 0094200095 C401 Film Capacitor CL21X-100V-103-J------F 0094200097 C413 Film Capacitor CL23B-400V-472-J------F 0094201462 C814 Film Capacitor CL21X-63V-104-J------F 0094201462 C853 Film Capacitor CL21X-63V-104-J------F 0094201462 C851 Film Capacitor CL21X-63V-104-J------F 0094200994 C722 AL Electrolytic Capacitor CD71-50V-1uF-M-F05 0094200994 C727 AL Electrolytic Capacitor CD71-50V-1uF-M-F05 0094200994 C706...
- Page 24 0094500264 L306 Fixed Inductance LGA0305-10uH-J-T52 0094500027 L402 Leaded For Cores Inductor LB3.5*5-2------F 0094500028 L804 Leaded For Cores Inductor LB3.5*6-3------T 0094400617 C259 Diode MTZJ5.1B------T 0094400594 DZ831 Diode 1N4148------T 0094400594 VD201 Diode 1N4148------T 0094400594 VD202 Diode 1N4148------T 0094400594 VD809 Diode 1N4148------T 0094400594 VD620 Diode 1N4148------T...
- Page 25 0094400200 DZ803 KA431AZTA------F 0094200728 C508 Electrolytic Capacitor CD110X-250V-10μF-M-F05 0094100066 R501H Carbon Film Resistor RT13-1/6W-47-J------T 0094100066 R502 Carbon Film Resistor RT13-1/6W-47-J------T 0094100066 R503 Carbon Film Resistor RT13-1/6W-47-J------T 0094100019 R512 Carbon Film Resistor RT13-1/6W-220-J------T 0094100019 R522 Carbon Film Resistor RT13-1/6W-220-J------T 0094100019 R532 Carbon Film Resistor RT13-1/6W-220-J------T 0094100795...
- Page 26 0090100008 EY57 Rivet φ1.6*3.0 0090100008 EY49 Rivet φ1.6*3.0 0090100008 EY48 Rivet φ1.6*3.0 0090100008 EY50 Rivet φ1.6*3.0 0090100008 EY51 Rivet φ1.6*3.0 0090100008 EY52 Rivet φ1.6*3.0 0090100008 EY53 Rivet φ1.6*3.0 0090100009 EL12 Rivet φ2.3*3.5 0090100009 EY09 Rivet φ2.3*3.5 0090100009 EY10 Rivet φ2.3*3.5 0090100009 EY32 Rivet...
- Page 27 0094101552 W718 Jumper Wire φ0.58mm/5mm------B 0094101552 W719 Jumper Wire φ0.58mm/5mm------B 0094101552 W734 Jumper Wire φ0.58mm/5mm------B 0094101552 W740 Jumper Wire φ0.58mm/5mm------B 0094101552 W814 Jumper Wire φ0.58mm/5mm------B 0094101552 W815 Jumper Wire φ0.58mm/5mm------B 0094101552 W816 Jumper Wire φ0.58mm/5mm------B 0094101552 W818 Jumper Wire φ0.58mm/5mm------B 0094101552 W825 Jumper Wire...
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Page 28: Circuit Diagram
0094101552 W412 Jumper Wire φ0.58mm/7.5mm------B 0094101552 W414 Jumper Wire φ0.58mm/7.5mm------B 0094101552 L703 Jumper Wire φ0.58mm/7.5mm------B 0094101552 L704 Jumper Wire φ0.58mm/7.5mm------B 0094101552 L707 Jumper Wire φ0.58mm/7.5mm------B 0094101552 L708 Jumper Wire φ0.58mm/7.5mm------B 0094101552 R703 Jumper Wire φ0.58mm/7.5mm------B 0094101552 R704 Jumper Wire φ0.58mm/7.5mm------B 0094101552 R707 Jumper Wire... -
Page 29: Exploded View
0094101552 W287 Jumper Wire φ0.58mm/10mm------B 0094101552 W288 Jumper Wire φ0.58mm/10mm------B 0094101552 W289 Jumper Wire φ0.58mm/10mm------B 0094101552 W302 Jumper Wire φ0.58mm/10mm------B 0094101552 W401 Jumper Wire φ0.58mm/10mm------B 0094101552 W407 Jumper Wire φ0.58mm/10mm------B 0094101552 W613 Jumper Wire φ0.58mm/10mm------B 0094101552 W741 Jumper Wire φ0.58mm/10mm------B 0094101552 W805 Jumper Wire... - Page 30 0094201040 CD03 Ceramic Capacitor CT1-F-63V-0.01μF-Z-F05 0094200747 CD01 AL Electrolytic Capacitor CD110X-16V-100μF-M-F05 0094200988 CD02 AL Electrolytic Capacitor CD110X-16V-47μF-M-F05 IR(Infra-red) Receiver 0094004386 A1001 ICHS0038B Modules 0094300167 CNT08 AV Jack AV3-8.35-5 0094000440 TV/AV Switch KFC-A06-21050 0094000440 MENU Switch KFC-A06-21050 0094000440 Switch KFC-A06-21050 0094000440 Switch KFC-A06-21050 0094000440...
- Page 31 0094200844 AL Electrolytic Capacitor CD110X-16V-2200μF-M-07-A 0094200988 AL Electrolytic Capacitor CD110X-16V-47μF-M-F05 0094202658 AL Electrolytic Capacitor CD110-400V-10UF-M-05-E-A 0094202658 AL Electrolytic Capacitor CD110-400V-10UF-M-E-A 0094201373 Ceramic Capacitor CT1-B-2kV-681pF-K-07-A 0094201373 Ceramic Capacitor CT1-B-2kV-681pF-K-07-A 0094201373 Ceramic Capacitor CT1-B-2kV-681pF-K-07-A 0094202698 Film Capacitor CBB21-400V-335-J-40-L-A 0094201020 Film Capacitor CL11-100V-0.1μF-J-F05 0094402047 UC3525AN 0094400036...
- Page 32 0094200988 AL Electrolytic Capacitor CD110X-16V-47μF-M-F05 0094200043 AL Electrolytic Capacitor CD110X-50V-1μF-M-F05 0094200937 AL Electrolytic Capacitor CD263-16V-470uF-M-05-A 0094200825 Film Capacitor CL11-63V-0.0022μF-J-F05 0094200095 Film Capacitor CL21X-100V-103-J------F 0094200095 Film Capacitor CL21X-100V-103-J------F 0094200095 Film Capacitor CL21X-100V-103-J------F 0094200095 Film Capacitor CL21X-100V-103-J------F 0094200096 Film Capacitor CL21X-100V-104-J------F 0094400830 Diode MTZ13B 0094400061...
- Page 33 Exploded view part list Exploded view part list PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
- Page 34 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
- Page 35 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
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