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Содержание 29T9D

Страница 1: ...modes z Child lock sleep timer z Surround stereo treble and bass boost z Program scan program swap z Noise reduce z Black stretch 29T9D COLOUR TELEVISION Service Manual Manual Code M PG BH 29T6B P 93...

Страница 2: ...ons 6 6 Net Dimension 12 7 Parts and Functions 13 8 Remote controller Functions 14 9 Program Diagram 15 10 Maintenance Service and Trouble Shooting 32 11 Circuit Diagram 37 12 Circuit Explanation 40 1...

Страница 3: ...uct code illumination and series introduction Features 2 Features 1 Multiple picture audio modes 2 Child lock sleep timer 3 Surround stereo treble and bass boost 4 Program scan program swap 5 Noise re...

Страница 4: ...rtain 25 Slow fading on off Y 26 Semitransparent menu Y 27 Non flshing channel changing Y 28 ZOOM Y 29 16 9 mode Y 30 Games 31 Calendar Y 32 Child lock Y 33 Multi functional lock 34 No picture listeni...

Страница 5: ...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 wattag...

Страница 6: ...moisture 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 harmyo...

Страница 7: ...citors 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 FETV...

Страница 8: ...round 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 re...

Страница 9: ...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...

Страница 10: ...with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement Heat and remove all solder from around the transistor leads Remov...

Страница 11: ...he end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path...

Страница 12: ...12 6 Antenna connection Net Dimension Figure 1...

Страница 13: ...13 7 Parts and Funcitions Parts and Funcitions Figure 2...

Страница 14: ...14 8 Remote Controller Functions Remote Controller Functions Figure 3...

Страница 15: ...SECAM and NTSC443 TUNE If the colour of a channel is abnormal Usually this should be set in the Auto position However if the colours displayed on the screen are incorrect you can manually select the c...

Страница 16: ...uto program scan 1 If you want to select a desirable program you may scan all the TV programs in memory You can simply press the SCAN button to do this The program numbers will appear one after anothe...

Страница 17: ...lly preset in order the first program number will display on the screen After the search has finished TUNE TUNE BAND VHFL SKIP OFF PROGRAM 0 SEARCH FINE TUNE AUTO SEARCH COLO R AUTO U TUNE COLO R AUTO...

Страница 18: ...r higher side program search Repeat this step till find the desired channel SEARCH VHFL TUNE TUNE COLO R AUTO BAND VHFL SKIP OFF PROGRAM 0 FINE TUNE AUTO SEARCH U SEARCH EXIT In general after you pres...

Страница 19: ...ons all through to carry out fine tune till the best picture and sound are obtained TUNE TUNE COLO R AUTO BAND VHFL SKIP OFF PROGRAM 0 SEARCH AUTO SEARCH U FINE TUNE 1 AUTO BG NICAM STEREO If the pict...

Страница 20: ...n using the CH buttons These channels will still be displayed by directly using the channel number buttons on the remote control 4 Press the VOL buttons to turn the SKIP function ON TUNE TUNE COLO R A...

Страница 21: ...obtain the desired effect P STD PICTURE BRIGHTNESS SHARPNESS Hue CONTRAST COLUOR Weak Shallow Dark Soft lean to purple Strong Deep Bright Sharp lean to green PICTURE BRIGHTNESS 32 COLO R 48 SHARPNESS...

Страница 22: ...the VOL buttons to turn the NOISE REDUCE function ON or OFF PICTURE FUNCTION PICTURE BRIGHTNESS 32 COLO R 48 SHARPNESS 40 HUE 60 BLACK STRET H OFF U C CONTRAST 48 PICTURE BRIGHTNESS 32 COLO R 48 SHARP...

Страница 23: ...adjusted then press the VOL buttons to obtain the desired effect Weak Weak Weak R down Strong Strong Strong L down S STD SOUND SOUND BASS 48 TREBLE 48 BALANCE 0 WOOFER OFF WOOFER VOL 20 SURROUND OFF...

Страница 24: ...R VOL 20 SURROUND ON 3 Press the CH buttons select WOOFER VOL then press the VOL buttons to obtain the desired effect This TV set is fitted with a Stereo Nicam decoder which allows full high quality s...

Страница 25: ...to set OFF TIME take 23 00 as an example 3 Press the CH buttons to select ON PROG then press the VOL or program direct number buttons to select your desired channel take 8 as an example 2 Press the CH...

Страница 26: ...position press again the CH buttons to select the minute position and then set the value of the minute take 19 00 as an example 3 Press the CH buttons to select REMIND PROG then press the VOL buttons...

Страница 27: ...ON CALENDAR BACKGROUND ON FUNCTION NOISE REDUCE ON FADE ON CHILD LOCK OFF AVL ON CALENDAR BACKGROUND ON Child lock function MENU CH CH VOL VOL 1 2 2 FUNCTION NOTE All the control panel buttons on the...

Страница 28: ...function MENU CH CH VOL VOL 1 3 2 FUNCTION 2 3 Y 2001 M 11 D 14 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 14 FUNCTION BACKGROUND ON NOISE REDUCE ON F...

Страница 29: ...HILD LOCK OFF BACKGROUND ON FUNCTION BACKGROUND ON NOISE REDUCE ON CHILD LOCK OFF AVL ON CALENDAR FADE ON The FADE control allows time for the picture tube to warm up and gently turned on which can he...

Страница 30: ...CHANGE PROGRAM 2 2 EXCHANGE PROGRAM 1 6 EXCHANGE PROGRAM 1 6 EXCHANGE PROGRAM 2 9 This feature enables TV programs that may be on a wrong TV channel number to be swapped exchanged This feature is very...

Страница 31: ...t this time except for POWER button and DISPLAY button on the remote control still take effect the other buttons including the functional buttons on the TV set all do not take effect and this status c...

Страница 32: ...release and grating voltages Check R415 R505 and R526 Check V403 T401 Check V402 Check pin 33 of N201 for output Check CRT cathode voltage Check N201 for R G and B signal output Check TDA6107Q and pe...

Страница 33: ...tput Check R228 and C227 Check 16V and 47V voltage Check R413 and R408 Check T444 Check N301 and peripheral circuit Check N201 Check receiver voltage Check pin 61 of N201 voltage Check receiver Check...

Страница 34: ...o see if picture changes Check pin 20 of N201for voltage and ground resistance Check V401 and DZ401 Check pin 12 N301 for voltage and ground resistance Check C416 Check and replace N201 and N301 Check...

Страница 35: ...4 for sound signal output Check N701 3 5 for sound signal output Check and replace N701 Check N701 15 18 for sound signal output Check N601 and peripheral circuit components Check and replace N201 Pre...

Страница 36: ...Colour Spot Normal volume Scramble Normal or Weak Volume No colour Normal volume No Picture No sound No sound Normal Normal Disturb Noise Double or Triple Image Note 1 If the fault can not be repaire...

Страница 37: ...rol The second SIF filter The second SIF WAVE TRAP Assistant power supply Switch transformer N501 Video frequency amplifying T444 FBT N201 Microprocessor and signal processor SF101 sound surface filte...

Страница 38: ...10u DZ602 MTZJ30D DZ601 MTZJ30D Y 1 2 3 4 5 6 7 8 16 9 10 11 12 13 14 15 R742 10 R740 3 3K R741 3 3K C744 1u 16 9 10 11 12 13 14 15 A6 5V A6 5V POWER C209 56 56 C208 A7 8V A6 5V A6 5V A5 3 3V A6 5V C...

Страница 39: ...39 c PCB Diagram Circuit Diagram Figure 6...

Страница 40: ...d circuit N701 TDA9859 for sound tone processing and integrated circuits N601 and N610 TDA7297 for sound amplifying 1 1 3 Integrated circuit for line and field scan output comprised of integrated circ...

Страница 41: ...9384 as the reference for maintenance The data is to be tested under the mode of 49 75MHz PAL B G and cylindrical color card muting using a model FLUKE 79 instrument Table 1 Resistance to Ground R Pin...

Страница 42: ...sage circuits Having been received by antenna or fed by cable TV into the antenna input terminal of HF tuner TU101 TECC7949 HF TV signals pass through tuning for station selection HF amplification and...

Страница 43: ...into the 42 of N201 TDA9384 and the C signal of S terminal will be fed into the 43 of N201 TDA9384 Both the AV1 and AV2 video signals and the Y signal of S terminal will be selected and passed throug...

Страница 44: ...6M 3 1M 6 8V Power supply 8 0 2 8K 2 8K 7 AV audio output from right channel 4 0 6 5M 4 3M 8 Ground 0 0 0 9 Audio output from right channel 4 0 10 8K 10 8K 10 Audio input of right channel 4 0 4 6M 3...

Страница 45: ...ed of the integrated circuit TDA7297 and peripheral components The sound signals from left and right channels that have not passed through sound tone processing will be coupled and fed into the 12 of...

Страница 46: ...essary for the circuit Another sub flow will be sent to field saw tooth wave generator The field frequency saw tooth wave that has undergone geometric processing will be sent from the 21 and 22 of N20...

Страница 47: ...cuit is inside N201 TDA9384 no external line oscillation components is needed and the oscillation frequency is under the control of PH 1 detector A flow of luminance signals including mixed syne signa...

Страница 48: ...ce filter SF101 K6264K and pre IF amplifier N101 M9911A 7 sends out a heater voltage of 6 3Vrms 1 provides line sync signal to N201 TDA9384 and the line return stroke pulse sent out by the 5 is rectif...

Страница 49: ...R signals will be at a lower level which causes the triode V803 KSC815 to stop So a voltage 12V will be put into the photo coupler N802 PC817C entry by resistor R849 and diode VD816 which feeds a spec...

Страница 50: ...0 63 5HSH 6HSH Correction of line center 0 63 5EWW 6EWW Correction of line width 0 63 5EWP 6EWP Correction of pillow shaped distortion 0 63 5UCR 6UCR Correction of upper corners 0 63 5LCR 6LCR Correct...

Страница 51: ...74 Gain control 0 30 26 Unadjustable AVLT Auto volume limit 0 3 1 Unadjustable 9859 TDA9859 Secondary volume control 0 100 59 Unadjustable IFFS Intermediate frequency 0 7 3 Unadjustable HDOL Cathode v...

Страница 52: ...st 0 100 80 Unadjustable 3BRI Brilliant mode luminance 0 100 50 Unadjustable 3COL Brilliant mode color 0 100 70 Unadjustable 3SHP Brilliant mode definition 0 100 70 Unadjustable Push numeric 7 key Mai...

Страница 53: ...14 Exploded View EXPLODED VIEW OF CABINET PARTS Model 29T9D P Exploded View Figure 7...

Страница 54: ...N801B QHS 10386A 1 0094401146 N801C IC KA5Q1265RF YDTU 1 0090600097 N801D TAPPING SCREW ST3X8F SJ2831 87 1 0094100092 R110 OXIDE FILM RESISTOR RY16S 1W 51 J 05 E A 1 0094100099 R407 OXIDE FILM RESIST...

Страница 55: ...669 C414 POLYESTER CAPACITOR CBB81 1 5KV 622 J 20 B A 1 0094200104 C415 POLYESTER CAPACITOR CBB81 1 6KV 752 J 20 A A 1 0094200105 C801 POLYESTER CAPACITOR MKT61 275V 104 M 15 G A 1 0094201605 C720 AL...

Страница 56: ...10 50V 1uF 20 F 1 0094400192 V205 TRIODE KSC815 YTA F 1 0094200724 C106 AL ELECTROLYTIC CAPACITORCD110 50V 0 33uF 20 F 1 0094009226 1 0091800348 PCB 0091800348 V5 0 1 0094200760 C218 CERAMIC CAPACITOR...

Страница 57: ...W 200 J T 1 0094100019 R703 CARBON FILM RESISTOR RT13 1 6W 220 J T 1 0094100019 R704 CARBON FILM RESISTOR RT13 1 6W 220 J T 1 0094100019 R707 CARBON FILM RESISTOR RT13 1 6W 220 J T 1 0094100019 R708 C...

Страница 58: ...4 DZ801 CARBON FILM RESISTOR RT13 1 6W 15K J T 1 0094100074 R249 CARBON FILM RESISTOR RT13 1 6W 20K J T 1 0094100779 R274 CARBON FILM RESISTOR RT13 1 6W 22K J T 1 0094100780 R276 CARBON FILM RESISTOR...

Страница 59: ...63V 2200PF K F05 1 0094201178 C229 CERAMIC CAPACITOR CT1 B 63V 3300PF K F05 1 0094201039 C221 CERAMIC CAPACITOR CT1 B 63V 4700PF K F05 1 0094202277 C231 CERAMIC CAPACITOR CT1 B 63V 3900PF K F05 1 0094...

Страница 60: ...C CAPACITORCD110 16V 100UF M F 1 0094200747 C832 AL ELECTROLYTIC CAPACITORCD110 16V 100UF M F 1 0094200747 C841 AL ELECTROLYTIC CAPACITORCD110 16V 100UF M F 1 0094200747 C922 AL ELECTROLYTIC CAPACITOR...

Страница 61: ...INDUCTANCE LGA0203 100 K F 1 0094500021 L704 FIXED INDUCTANCE LGA0203 100 K F 1 0094500021 L707 FIXED INDUCTANCE LGA0203 100 K F 1 0094500021 L708 FIXED INDUCTANCE LGA0203 100 K F 1 0094500021 L709 F...

Страница 62: ...0094400069 DZ602 DIODE MTZJ30D T 1 0094400069 DZ603 DIODE MTZJ30D T 1 0094400069 DZ604 DIODE MTZJ30D T 1 0094400203 V850 TRIODE KSA539 YTA F 1 0094400204 V402 TRIODE KSC2331 YTA F 1 0094400192 V201 T...

Страница 63: ...1 0090100009 EY431 rivet 2 3 3 5 1 0090100009 EY432 rivet 2 3 3 5 1 0090100009 EY435 rivet 2 3 3 5 1 0090100009 EY436 rivet 2 3 3 5 1 0090100009 EY437 rivet 2 3 3 5 1 0090100009 EY601 rivet 2 3 3 5 1...

Страница 64: ...0100008 EY428 rivet 1 6 3 0 1 0090100008 EY434 rivet 1 6 3 0 1 0090100008 EY854 rivet 1 6 3 0 1 0094101552 C243 JUMPER WIRE 0 58mm 5mm B 1 0094101552 C244 JUMPER WIRE 0 58mm 5mm B 1 0094101552 C245 JU...

Страница 65: ...m 7 5mm B 1 0094101552 W266 JUMPER WIRE 0 58mm 7 5mm B 1 0094101552 W267 JUMPER WIRE 0 58mm 7 5mm B 1 0094101552 W276 JUMPER WIRE 0 58mm 7 5mm B 1 0094101552 W278 JUMPER WIRE 0 58mm 7 5mm B 1 00941015...

Страница 66: ...101552 W242 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W243 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W244 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W247 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W248 JUMPER WIRE...

Страница 67: ...815 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W817 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W821 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W822 JUMPER WIRE 0 58mm 10mm B 1 0094101552 W824 JUMPER WIRE 0 58mm 1...

Страница 68: ...LYTIC CAPACITORCD110 16V 10uF 20 F 1 0094300283 CN001 PLUG TJC3 4AW 1 0090801068 DVD AV PLUG AV9 3B03 1 0094011439 1 0094100020 R1001 CARBON FILM RESISTOR RT13 1 6W 470 J T 1 0094100916 R1002 CARBON F...

Страница 69: ...PACITORCD71 50V 4 7 F M F05 2 0090600023 TAPPING SCREW SJ2824 87 ST4X16F 12 0090300039 15X750 1 0090300053 420x15x0 3 2 0090600014 TAPPING SCREW SJ2824 87 ST4X20F 8 0090600017 TAPPING SCREW SJ2824 87...

Страница 70: ...70 0094010405E REMOTE CONTROL HTR 253E 1 0090500018 29 PLASTIC BAG 1 0090100306 PLASTIC BAG 60mm 1...

Страница 71: ...L21X 100V 223 J Type Voltage Value PF Toleance CL110X 25V 100 F 20 Type Voltage Value Toleance 104 10 104 223 22 103 Numbering system of Capacitor Eaxmple RY17S 2W 390 J 05 E A Type Wattage Value Tole...

Страница 72: ...44 B A 2SB1569A E B A EXPORT 2SP2400A E B A EXPORT 2SC3853 2SC3852 E A 3DD2553 B A 3CA688 E A 2SC3853 2SC3852 B A 2SC1815 Y F 2SA1015 Y F 2SC752GTM Y F EXPORT 2SC2878 A TEM F EXPORT RN1204 DTC144ESATP...

Страница 73: ...73...

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