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XOCECO TS2050, Service Manual

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XOCECO TS2050 Service Manual Download Page 2

 

CONTENTS 

 

Safety Precautions………………………………………………………………………..…… 

Alignment instruction. ………………………………….…………………………….……. 

Debugging instruction …………………………………………….…………………………. 

IC Block diagram ……………………………..…..…..…..…..…..…….………….…………. 

Function introduction to pin……………………..……………………….………………….. 

Wiring diagram……………………………………………………………………………..… 

Exploded view………..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…... 

Part list ………………………………………………………..……………............................ 

Schematic diagram …………………………………………………………………….…….. 

 

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Summary of Contents for TS2050

Page 1: ...COLOR TELEVISION TS2050...

Page 2: ...CONTENTS Safety Precautions Alignment instruction Debugging instruction IC Block diagram Function introduction to pin Wiring diagram Exploded view Part list Schematic diagram 1 2 3 9 10 15 16 18 33...

Page 3: ...elow 1 2 SAFETY PRECAUTION WARNING Service should not be attempted by anyone unfamiliar with the necessary precaution on this receiver The following are the necessary precautions to be observed before...

Page 4: ...placing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have the same characteristics as specified in the parts list may creat...

Page 5: ...or 2 if V2 3 5V then the voltage is 1 or 2 after adjustment the picture should not appear no sync distortion and moire White balance and screen grid voltage VG2 adjustment After enter PAGE3 of factory...

Page 6: ...BY DC and YUV RY DC PAGE4 to let it conincide with white balance 4 7 High voltage and filament voltage check Connect a high voltage meter between anode cap of picture tube and the ground measure the...

Page 7: ...5 2 H PHASE 50HZ H center 6 4 5 2 V LINE 50HZ V line 13 4 5 2 V SC 50HZ field S correct 10 4 5 2 P5 LINE Level bright line 0 0 normal 1 Level bright line RB Red cut off 100 4 4 GB Green cut off 100 4...

Page 8: ...C PRE ADJ Pre shoot 3 fixed 0 narrow 3 width OVER ADJ overshoot 3 Fixed a 0 narrow 3 width C VCO ADJ Color VCO frequency adjustment 4 fixed 0 4 7 120KHZ 0 90KHZ P10 BRT ABL DEF Brightness ABL 0 fixed...

Page 9: ...tic level 5 fixed 0 30dB 3 40dB VCO FREQ VCO frequency 32 fixed P14 Y GAIN 0 fixed Y TH 0 fixed B OFFSET 0 fixed B WIDTH 0 fixed C OFFSET 0 fixed C WIDTH 0 fixed CAN V CHIP V CHIP 0 1 1 CAN V CHIP OPT...

Page 10: ...xed VOL 75 75 volume control speciality 82 fixed 72700 ALC ALC 1 fixed 1 ALC ON VOL Baseband model input level adjustment 0 The unit no use SAP LEVEL SAP level 1 fixed SIF M BB M SIF and baseband mode...

Page 11: ...9 IC BLOCK DIAGRAM LA76931...

Page 12: ...panded video input and Y input 2 50 12 R ouput 2 65 53 Colour APC filter 3 40 13 G ouput 2 65 52 Selection video output and FSC output 2 40 14 B ouput 2 67 51 Cr input 2 50 15 AKB undo 2 31 50 4 43 MH...

Page 13: ...cicuit power input provide starting and stabling Operating current 23 4 Vfb Connect it with inverting input terminal of PWM comparator the collector of optical coupler can be connected to it To work s...

Page 14: ...12 AN7522 Pins function pin function pin function 1 power 7 GND input 2 CH1 output 8 CH2 input 3 GND 9 volume 4 CH1 output 10 CH1 output 5 Stand by 11 GND CH2 output 6 CH1 input 12 CH1 output LA78040...

Page 15: ...l input 23 AC coupling input 6 GND 24 ALC filter 7 SAP carrier level check 25 R output 8 26 L output 9 SIF decoupling filter 27 Reference voltage DC3 8V 10 mute 5V 28 AC coupling input 11 Serial data...

Page 16: ...V STEREO 3 0V STEREO SAP 3 8V 15 SAP detection sensitivity 33 Sub carrier input 3 579545MHZ 200Mv 16 dbx RMS detection 34 Filter adjustment check 17 Dbx broad band detection 35 Pilot dispel reference...

Page 17: ...XS501 XS202 XS203 XS701 TUNER XS601 XS602 XS301 XS604 XS201 XS302 N201 XS502 CRT DEGASSINGP COIL M108 FOCUS SCREEN MAIN BOARDP667 TSC30 01 POWER SWITCH KEY BOARDP667 TS2130 05 XS901 XS902 SPEAKER XS60...

Page 18: ...16 EXLODED VIEW...

Page 19: ...9 SCREW 851 53010 11 10 RIGHT 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 611 C50X0J0HD 16 BUTTON...

Page 20: ...mm BLACK 851 24020 14 S VIDEO TERMINAL S 402 851 24020 14 KEY 851 53010 11 KEY CAP SILVER WHITE 03 851 53010 11 BUTTON PCB 851 53012 14 BUTTON PCB 851 53012 14 CARTON BOX TS2050J JENSEN 851 53012 14 C...

Page 21: ...YAS 353 34282 30 CD11 B2GA471M MYAS 384 40308 40 CK45 B1H102KYR 655 61201 153 CK45 B2H391KYR 851 53012 11 CK45 F1H103ZYR 868 20217 00 CK45 F1H103ZYR 870 20849 00 CK45 F1H103ZYR 667 TSP50 01 CK45 F1H10...

Page 22: ...00410 K0 PINS LEAD WITH HOUSING C328 464 04747 M0R 4 PINS LEAD WITH HOUSING C507 462 83356 H0 6 PINS LEAD WITH HOUSING C304 467 1D251 H0 6 PINS LEAD WITH HOUSING R526 464 65547 M0 6 PINS LEAD WITH HOU...

Page 23: ...4 60510 M0 CD110 50V 10uF M C708 655 41201 135 CD110 50V 10uF M XS302 655 61201 117 CD110 50V 1uF M XS201 666 13511 00 CD110 50V 1uF M J024 775 60044 00 CD110 50V 1uF M TP1 775 60044 00 CD110 50V 1uF...

Page 24: ...852 13008 81 FR103 V302 893 10300 11 FR103 N503 893 10300 11 FR103 V502 893 10300 11 FR103 V302 894 40030 11 S5295G N503 894 40030 11 S5295J V502 894 40030 11 TEU2YX V302 467 4FA12 H0 TRU3A R419 462 8...

Page 25: ...50 104 JUMPER WIRE V507 343 18150 104 JUMPER WIRE V503 343 18150 104 JUMPER WIRE V504 343 23830 604 JUMPER WIRE V301 343 27170 004 JUMPER WIRE V101 459 2127H 902 JUMPER WIRE C404 459 2127H 902 JUMPER...

Page 26: ...462 00322 H02 JUMPER WIRE C510 462 00333 H02 JUMPER WIRE C222 462 00347 K02 JUMPER WIRE C512 464 6C747 M02 JUMPER WIRE C250 464 6C710 M02 JUMPER WIRE C209 464 6C710 M02 JUMPER WIRE C218 464 6D610 M02...

Page 27: ...0 H03 1 4W 4 7K G R309 467 1C027 H03 1 4W 5 1K F R109 467 1C033 H03 1 4W 8 2K G R303 467 1C051 H03 2W 12k JL R208 467 1C075 H03 2W 15k JL R602 467 1C075 H03 2W 15k JL R603 467 1C075 H03 2W 15k JL R609...

Page 28: ...1C215 H03 SJ2824 ST4X10C Y R318 467 1C218 H03 SJ2824 ST4X20C D Zn R708 467 1C222 H03 SJ2824 ST4X20C D Zn R205 467 1C230 H03 SJ2824 ST4X20C Y R212 467 1C239 H03 SJ2824 ST4X20C Y R522 467 1C243 H03 SJ2...

Page 29: ...67 1C410 H03 GB876 86 2X2 5 COPPER R101 467 1C410 H03 GB876 86 2X2 5 COPPER R614 467 1C410 H03 GB876 86 2X2 5 COPPER R615 467 1C410 H03 GB876 86 2X2 5 COPPER R617 467 1C410 H03 GB876 86 2X2 5 COPPER R...

Page 30: ...70K 5 M125 895 6020025 50 PEAKING COIL SPT0305 270K 5 M127 895 6020025 50 PEAKING COIL SPT0305 R56K 5 M119A 895 6025030 50 SAW FILTER M1859M M201 895 6025030 50 OWNER S MANUAL JENSEN USA MTS M202 895...

Page 31: ...6W 10 J J040 998 1 6W 10 J J041 998 1 6W 12K J J042 998 1 6W 12K J J043 998 1 6W 12K J J044 998 1 6W 150K J J045 998 1 6W 150K J J047 998 1 6W 150 J J048 998 1 6W 15K J J049 998 1 6W 15K J J050 998 1...

Page 32: ...7K J J401 998 1 6W 4 7K J R420 998 1 6W 4 7K J R421 998 1 6W 4 7K J R422 998 1 6W 4 7K J J096 998 1 6W 470 J R316 998 1 6W 47K J R503 998 1 6W 47K J J100 998 1 6W 47 J J101 998 1 6W 5 6K J J102 998 1...

Page 33: ...RD30E B3 R902 467 1C210 H0 SERIAL NO LABEL R911 467 1C222 H0 CRT A51KQK99X01THICK R903 467 1C233 H0 CRT SOCKET GZS8 17 UL R904 467 1C247 H0 CRT SOCKET GZS10 2 102G R905 467 1C282 H0 TIE R906 467 1C312...

Page 34: ...I ST O VCC9V MODE O LA72700 NS01 S R DET NS01 LA72700 CS05 1uF CS06 0 1uF CS07 0 1uF RS02 100 RS03 100 CS08 0 1uF CS09 22uF CS10 4 7uF CS11 4 7uF CS12 3 3uF CS13 4 7uF CS14 4 7uF CS15 1uF CS 4n7 CS16...

Page 35: ...ON C612 16V 10u C613 16V 10u R614 100K G V1 R1 V2 R2 G L2 R517 5K6 R515 5K6 R243 10K R527 100K C527 10n KEY KEY S C V OUT V OUT REM REM 9V Y DVD G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 N601 TC4053 R6...

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