XOCECO TS2050J, Service Manual

Page 1: ...COLOR TELEVISION TK2050 TS2050J...

Page 2: ...CONTENTS Safety instruction 1 General instruction 1 Alignment instruction 2 Alignment flow 2 Alignment method 3 Block diagram 10 MAIN IC 11 Parts list 16 Exploded view 34 Schematic diagram 36...

Page 3: ...is have special safety related characteristics These characteristics are often passed unnoticed by a visual inspection Replacement parts which have these special safety characteristics are identified...

Page 4: ...ine amplitude adjustment g H scan center adjustment 3 2 Alignment flow Fig 1 alignment flow E2 PROM copy B adjustment RFAGC adjustment Focus adjustment Screen grid voltage white balance Scan amplitude...

Page 5: ...the negative pole of VD524 b receive PHILIPS test pattern signal and set the picture to standard c Adjust VR501 to let the value of B voltage be 110 V 0 5 V yongxin super pure flat 4 2 AGC adjustment...

Page 6: ...of test pattern above blanking d select V SHIFT menu and adjust to let the vertical center of picture coincide with vertical center of picture tube e Select V SIZE menu and adjust to let the vertical...

Page 7: ...without raster without sound Disconnect the DC regulated voltage power picture and sound should restore to normal 4 12 4 Picture and sound check 1 Receive standard TV signal 2 Use picture control butt...

Page 8: ...ime to let the red and blue horizontal lines coincide at middle of screen f Adjust two hexode magnetic rings to let the green line coincide with the mixed line of red and blue Adjust the angle between...

Page 9: ...ON M1 V SLOPE 0 63 36 field center adjustment V SHIFT 0 63 32 field point adjustment V SIZE 0 63 36 field amplitude adjustment V SC 0 63 32 field line HSHIFT 0 63 32 line point adjustment PROGRAMA NO...

Page 10: ...N 0 1 0 1 push pull output 0 OC gate output SOFT CLIP 0 3 3 white level limit PEAK WHITE 0 15 15 peak white limit CORING 0 1 0 coring noise reduction M7 AV2 0 1 1 SVHS 0 1 1 YUV 0 1 1 VOLADJPOING 1 vo...

Page 11: ...9 STARTTIME 6 15 8 turn on time IF OFFSET 0 63 32 IF compensate TUNER OPTION 0 2 0 BXATB011F X BXATB108F K 1 BXATB017F K 2 XXX GAME 0 1 0 GALENDA 0 1 0...

Page 12: ...IO OUT IK RGB OUT V OUT H OUT S TRAP Vo V2i V1i Y Cr Cb ARi2 ARi1 ALi2 ALi1 S VHS 24C08 KA5Q0765 T501 POWER UNIT 110V 26V 12V 8V 5V 3 3V CRT BOARD V IN STV9302A V OUT H IN H OUT TT2140 T451 H OUT DY 1...

Page 13: ...I2 C bus clock line SDA 3 I2 C bus data line TUNING 4 NC P3 0 NTSC SW 5 NC KEY 6 Control keys input VOL 7 Sound Volume control PWM output MUTE 8 Sound mute output VSSC P 9 Digit ground for controller...

Page 14: ...ling sound IF input subcarrier reference output audio deemphasis HOUT 33 horizontal output FBISO 34 flyback input sandcastle output AUDEXT QSSO AMOUT 1 35 external audio output QSS intercarrier out EH...

Page 15: ...Mute input GND out 2 11 Ch 2 Ground In 1 6 Ch 1 input Out 2 12 Ch 2 output STV9302A LA78040 Function vertical output Symbol PIN Function Symbol PIN Function INV IN 1 Input V OUT 5 Vertical output VCC1...

Page 16: ...5Vpp 0 9Vpp 920Vpp H H 1Vpp V H H CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H T501 PIN7 300Vpp 22Vpp H H V451 B 2 7Vpp TDA8377 PIN53 2 5Vpp 2 5Vpp 3 8Vpp H H H TDA8377 PIN52 TDA8377 PIN51 TDA8377 PIN...

Page 17: ...15 Wiring diagram...

Page 18: ...SPRING 851 23010 11 SCREW SJ2824 ST3X10C D Zn 851 23012 14 SCREW SJ2824 ST3X12C Y 851 24016 14 SCREW SJ2824 ST4X16C Y 851 24020 11 SCREW SJ2824 ST4X20C D Zn 851 24020 14 SCREW SJ2824 ST4X20C Y 851 53...

Page 19: ...135 00 CLASPER PALSTIC BAG 230X330X0 1 887 21135 02 CLASPER PALSTIC BAG 230X330X0 1 615 20429 00 SPEAKER ASS Y 384 40308 40 SPEAKER ST511 02 655 51201 185 5 PINS LEAD WITH HOUSING 851 53012 11 SCREW S...

Page 20: ...ND 2KV330P C456 CKX471K2RA ND 2KV470P C543 CKX681K2RA ND 2KV680P C527 CMNX224M801NP AC275V0 22u C501 C502 CMZ752J7 H NE 1 6KV7500p C455 CNJ394J9 H NE 200V0 39u C467 DH24R5M001 NC PTC4 5ohm 3 END PS501...

Page 21: ...13 D4 8 Z1 MB0X0011 G8 FUSE SOCKET FUSE HOLDER F501A F501B MB1X0040 BF 12V RADIATOR H N505 MB1X0114 BF 5V RADIATOR CUBA H N503 MB1X0196 BF ROW RADIATOR H V451 MB1X0228 BG SOUND RADIATOR H N161 MB1X02...

Page 22: ...SF103J5ACDND 2W 10K R467 R703 RSF103J7ACDND 2W 10K R915 R925 R935 RSF153J7ACDND 2W 15K R556 RSF1R5J7ACDND 2W 1 5 R480 RSF271J7ACDND 2W 270 R454 RSF560J5ACDND 2W 56 R530 RSF5R6J5ACDND 2W 5 6 R941 RWH3R...

Page 23: ...CAPACITOR CD110 50V 4 7uF M C340 464 60547 M0 ELECTROLYTIC CAPACITOR CD110 50V 4 7uF M C340 467 1C022 H0 CARBON RESISTOR 1 6W 22 J R914 467 1C130 H0 CARBON RESISTOR 1 6W 300 J R913 467 1C310 H0 CARBON...

Page 24: ...DIODE 1N4148 VD931 340 00001 003 DIODE 1N4148 VD582 340 51790 003 ZENER DIODE HZ18C2 VD481 459 2133K 902 CERAMIC CAPACITOR RBU07SL331K H46CA C921 459 2133K 902 CERAMIC CAPACITOR RBU07SL331K H46CA C93...

Page 25: ...CD110 10V 100uF M C548 464 6D610 M02 ELECTROLYTIC CAPACITOR CD110 16V 10uF M C163A 464 6D610 M02 ELECTROLYTIC CAPACITOR CD110 16V 10uF M C172 464 6D610 M02 ELECTROLYTIC CAPACITOR CD110 16V 10uF M C36...

Page 26: ...110 50V 4 7uF M C481 464 60547 M02 ELECTROLYTIC CAPACITOR CD110 50V 4 7uF M C153 464 60547 M02 ELECTROLYTIC CAPACITOR CD110 50V 4 7uF M C157 464 60547 M02 ELECTROLYTIC CAPACITOR CD110 50V 4 7uF M C307...

Page 27: ...22 H03 CARBON RESISTOR 1 6W 220 J R927 467 1C122 H03 CARBON RESISTOR 1 6W 220 J R937 467 1C130 H03 CARBON RESISTOR 1 6W 300 J R923 467 1C130 H03 CARBON RESISTOR 1 6W 300 J R933 467 1C133 H03 CARBON RE...

Page 28: ...N RESISTOR 1 6W 3 9K J R455 467 1C239 H03 CARBON RESISTOR 1 6W 3 9K J R462 467 1C239 H03 CARBON RESISTOR 1 6W 3 9K J R321 467 1C247 H03 CARBON RESISTOR 1 6W 4 7K J R131 467 1C247 H03 CARBON RESISTOR 1...

Page 29: ...67 1C347 H03 CARBON RESISTOR 1 6W 47K J R732A 467 1C347 H03 CARBON RESISTOR 1 6W 47K J R745 467 1C347 H03 CARBON RESISTOR 1 6W 47K J R807 467 1C368 H03 CARBON RESISTOR 1 6W 68K J R173 467 1C410 H03 CA...

Page 30: ...50 RIVET GB876 86 1 6X3 COPPER M11 895 6016030 50 RIVET GB876 86 1 6X3 COPPER M12 895 6016030 50 RIVET GB876 86 1 6X3 COPPER M13 895 6016030 50 RIVET GB876 86 1 6X3 COPPER M14 895 6016030 50 RIVET GB8...

Page 31: ...W271 998 JUMPER WIRE W312 998 JUMPER WIRE W313 998 JUMPER WIRE W331 998 JUMPER WIRE W341 998 JUMPER WIRE W342 998 JUMPER WIRE W343 998 JUMPER WIRE W344 998 JUMPER WIRE W352 998 JUMPER WIRE W353 998 J...

Page 32: ...W563 998 JUMPER WIRE W571 998 JUMPER WIRE W581 998 JUMPER WIRE W591 998 JUMPER WIRE W621 998 JUMPER WIRE W622 998 JUMPER WIRE W642 998 JUMPER WIRE W643 998 JUMPER WIRE W652 998 JUMPER WIRE W653 998 J...

Page 33: ...1 6X3 COPPER M29 998 JUMPER WIRE W262 998 JUMPER WIRE W267 667 TK2050 05 KEY BOARD ASS Y 340 10039 20 LED HFR205 RED VD601 352 38060 60 IC HRM138BB3006 M U601 360 10001 00 TACT SWITCH KFC A06 4X4 5X5B...

Page 34: ...LEAD WITH HOUSING X601 782 M2550 0500 BUTTON PCB 877 50411 00 KEY 877 50412 01 KEY CAP PLATE 998 JUMPER WIRE J901 667 TK2150 29A SIDE AV BOARD ASS Y 364 93202 00 AV JACK AV306 2 XA01 655 6E301 04 6 P...

Page 35: ...EXPLODED VIEW...

Page 36: ...PORT 868 20491 00 9 SCREW 851 53010 11 10 RIGHT LEAD TRACK 870 20846 00 11 SPEAKER BRACKET 870 20849 00 12 SIDE AV BRACKET 870 20843 40 13 WASHER 868 20217 00 14 SPEAKER 384 40308 40 15 FRONT CABINET...

Page 37: ...ed 3 resistance unit is in Ohm namely K 1000 M 1000K Capacitance unit is in F P F 10 6 4 Unless othervise noted inside all resistors are 1 6W the withstand voltage of all capacitor are 50V 5 Inductanc...

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