XOCECO M2019, Service Manual

Page 1: ...COLOR TELEVISION M2019 TS2019 ...

Page 2: ...ACTORY MENU 6 CONVERGENCE MAGNET ASSEMBLY POSITIONING 8 COLOR PURITY ADJUSTMENT 8 CONVERGENCE ADJUSTMENT 8 CENTER CONVERGENCE ADJUSTMENT 8 CIRCUMFERENCE CONVERGENCE ADJUSTMENT 9 USA CHANNEL FREQUENCY TABLE 181 CH 9 WIRING DIAGRAM 11 BLOCK DIAGRAM 12 IC BLOCK DIAGRAM 13 PART LIST 18 SCHEMATIC DIAGRAM 38 CAUTION THIS SERVICE MANUAL IS ONLY FOR PROFESSIONAL SERVICE PERSONNEL S REFERENCE BEFORE SERVIC...

Page 3: ...ified in the parts list 5 Some parts in this receiver have special safety related characteristics for X RAY RADIATION protection For continuous safety parts replacement should be undertaken only after referring to the PRODUCT SAFETY NOTICE below SAFETY PRECAUTION WARNING Service should not be attempted by anyone unfamiliar with the necessary precaution on this receiver The following are the necess...

Page 4: ...lue exceeding this limit constitutes a potential shock hazard and must be corrected immediately PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the chassis have special safety related characteristics These characteristics are often passed unnoticed by a visual inspection and the X RAY RADIATION protection afforded by them cannot necessarily be obtained by using replacement components...

Page 5: ... beam current 3 High voltage will be measured below 26 5 20 KV 4 Vary the BRIGHINESS control to both extremes to be sure the high voltage does not exceed the limit under any conditions General instruction 1 This chassis EEPROM N801 M24C08 should copy standard data if necessary deal it with factory adjustment If directly use blank EEPROM should first preset I2 C data then go on other common alignme...

Page 6: ...pot should basically disappear otherwise continue fine tune RF DELAY ADJ 3 Focus adjustment 3 1 Receive A 12 signal set user control to DYNAMIC state 3 2 Adjust FBT s focus potentiometer to make the screen s B area s focus optimum 4 Acelerating electrode adjustment method use A 7 signal 4 1 Roughly adjust white balance fix GCUT value adjust RCUT BCUT RDRV BDRV s value to make EEPROM copy B check R...

Page 7: ...ce with screen s center 6 Vertical scan amplitude adjustment NTSC 60 Hz V amplitude adjustment Receive D35 signal set user control to DYNAMIC state adjust V amplitude V SIZE to make picture s upper and lower over scanning be screen size s 8 Checking point 1 High voltage check 1 1 Connect high voltage meter to CRT s second anode and GND 1 2 Receive D 8 signal set user control to DYNAMIC state the h...

Page 8: ...common regulation 7 AV terminals AV IN OUT check 8 Other control buttons on the set and on the remote controller function check Preset the following in factory 1 Picture menu CONTRAST 60 BRIGHTNESS 30 COLOR 30 SHARPNESS 30 TINT 00 PICTURE MODE PERSONAL MORE 2 Volume preset to 30 3 Set OSD language to English 4 TV mode channel position number CABLE 3 Factory menu 1 Enter into factory menu to operat...

Page 9: ...al S adjustment 11 V LINEARITY N Vertical linear adjustment 3 CRT ADJ 1 CUT OFF R TV white balance adjustment 2 CUT OFF G 3 CUT OFF B 4 DRIVE R 5 DRIVE B 6 YUV CUT OFF R YUV white balance adjustment 7 YUV CUT OFF G 8 YUV CUT OFF B 9 YUV DRIVE R 10 YUV DRIVE B 4 PICTURE ADJ 1 SUB BRIGHTNESS Sub brightness adjustment 2 SUB CONTRAST Sub contrast adjustment 5 USER MENU RESET OFF User menu presetting 6...

Page 10: ...ARD Standard scalar selecting 42 PIC SOFT Soft scalar selecting CONVERGENCE MAGNET ASSEMBLY POSITIONING Convergence magnet assembly and rubber wedges need mechanical positioning Refer to below figure 1 COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustment the receiver should be operated for at least fifteen minutes 1 Demagnetize the picture tube and cabinet using a degaussing coil 2...

Page 11: ...e center of the screen see figure 5 5 Adjust two tabs of 6 Pole Magnets to superimpose red blue line with green one Adjusting the angle affects the vertical lines and rotating both magnets affects the horizontal lines 6 Repeat adjustments 3 4 5 keeping in mind red green and blue movement because 4 Pole Magnets and 6 Pole Magnets interact and make dot movement complex CIRCUMFERENCE CONVERGENCE ADJU...

Page 12: ...to fix the yoke 7 Detach the temporarily mounted wedge and put it in another upper space Stick it on the picture tube to fix the yoke 8 After fixing three wedges recheck overall convergence Tighten the screw firmly to fix the yoke tightly in place 9 Stick three adhesive tapes on wedges as shown in figure 3 Fig5 Dot Movement Pattern ...

Page 13: ... PCB CRT PCB CRT HORZIONTAL TRANSFORMER DEGASSING SPEAKER SCREEN FOCUS COIL DRIVER X602 X601 X201 XA01 AV PCB XA03 782 M2035 0500 782 M2035 2900 MAIN PCB 782 M2127 010D 782 M2035 0200 X902 XV04 XV03 STANDBY PCB 782 13Y90 0500 XM02 XM01 XM03 XM03 XM01 XM02 VM PCB 782 29FA0 6400 ...

Page 14: ...12 ...

Page 15: ...13 IC BLOCK DIAGRAM START O V P LATCH DRIVE VIN1 VIN2 REG T S D O S C ERROR AMP 4 1 D Vin S O C P F B GND 2 5 3 STR G5653 ...

Page 16: ... A P D em od S A P out F i l t er N oi se D et L R S A P S w i t ch D bx D e E m ph S pect ral E xpand W i de B and E xpand W i de B and R M S D et W i de B and F i l t er S D A S A P I D Ta 10 Tant al um capaci t or S C L S T I D P E S pect ral R M S D et IC D ecoder 2 S pect ral F i l t er O f f set C ancel S A P D et 14 7 9 11 8 10 12 4 5 2 3 32 24 27 26 28 29 30 15 25 19 17 18 23 21 6 13 22 4 ...

Page 17: ...15 1 2 3 4 5 6 7 8 9 10 11 12 Vcc GND AN7522N ...

Page 18: ...16 Power Amplifier Thermal Protection Flyback Generator 1 7 4 5 3 6 2 TEA8172 ...

Page 19: ... x2 F TRAP EXT AUDIO IN AUDIO SW EXT IN C IN BLUE BACK V SIZE DY VIDEO CHROMA Vcc 1Vp p VIDEO CHROMA GND VERTICAL ATT ATT BLACK STRETCH GAMMA BLACK Intelligent Monitoring Y SW OUT Intelligent Monitoring INTER CARRIER OUT ACL ABCL AFT OUT LIMITER IN VIDEO OUT VCO ADJ US JPN VCO ADJ 1Vp p TV IN Y IN CHROMA TRAP V PULSE OUT INV FBP INV OUT VIF GND 8V Hi Vcc DEF GND B MUTE FM WHITE V SHIFT SYNC SLICE ...

Page 20: ...12 14 SCREW SJ2824 ST4X12C Y 851 24020 11 SCREW SJ2824 ST4X20C D Zn 851 24020 14 SCREW SJ2824 ST4X20C Y 851 23008 11 SCREW SJ2824 ST3X8C D Zn 851 23008 11 SCREW SJ2824 ST3X8C D Zn 851 53012 11 SCREW SJ2825 ST3X12C D Zn 855 96030 11 COMPOSE SCREW ST6X30C D Zn 857 10002 09 COTTON FLANNEL 857 10004 00 COTTON FLANNEL 868 20007 00 SLEEVE 868 20140 00A CRTCUSHION 868 20142 00 RUBBER WASHER δ1 5 877 5036...

Page 21: ...19 PRIMA 611 30286J0H1 FRONT CABINET ASS Y HIPS V0 SILVER WHITE 03 301 AM1435 040C RC A04 0CREMOTE CONTROL UNIT PRIMA 667 M2019 01A MAIN PCB ASS Y 667 M2019 01A MAIN PCB ASS Y MANUAL INSERTION 340 10039 20 LED HFR205 RED D601 352 69380 00 IC HRM138BB3000 M N601 360 10070 00 TACT SWITCH EVQPC105K S902 360 10070 00 TACT SWITCH EVQPC105K S903 360 10070 00 TACT SWITCH EVQPC105K S904 360 10070 00 TACT ...

Page 22: ...2SC2383 0 V803 343 24820 00 TRANSISTOR 2SC2482 V302 343 27170 00 TRANSISTOR 2SC2717 V101 343 01800 00 TRANSISTOR KSE180 TO 126 V505 343 01800 00 TRANSISTOR KSE180 TO 126 V506 352 05740 00 IC uPC574 D N503 352 06210 70 IC TLP621 GB UL O N502 352 24040 50 IC AT24C04 N802 353 37150 80 SMD ICM37150M8 096FP D N801 352 40520 60 IC TC4052BP M NA02 352 40520 60 IC TC4052BP M NA01 352 61251 70 IC M61251AFP...

Page 23: ...470uF M C524 464 6E747 M0 ELECTROLYTIC CAPACITOR CD110 25V 470uF M C527 464 6E822 M0 ELECTROLYTIC CAPACITOR CD110 25V 2200uF M C324 464 6F747 M0 ELECTROLYTIC CAPACITOR CD110 35V 470uF M C308 464 6F747 M0 ELECTROLYTIC CAPACITOR CD110 35V 470uF M C529 464 60510 M0 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C235 464 60510 M0 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C815 464 62622 M0 ELECTROLYTIC CAPACITOR ...

Page 24: ...L SPT0305 8R2K 5 LA03 471 2B56K 00 PEAKING COIL SPT0305 R56K 5 L101 471 2001K A0 PEAKING COIL SP0203 1uH K LA04 471 2001K A0 PEAKING COIL SP0203 1uH K LA05 471 2001K A0 PEAKING COIL SP0203 1uH K LA07 471 2001K A0 PEAKING COIL SP0203 1uH K LA08 471 2001K A0 PEAKING COIL SP0203 1uH K LA09 471 2001K A0 PEAKING COIL SP0203 1uH K LA10 569 13141 90 FUSE 50T T3 15A 250V UL FU501 472 10001 00 HORIZONTAL D...

Page 25: ...LYTIC CAPACITOR CD110 25V 10uF M C106 467 4EB33 H0 FUSIBLE RESISTOR 1 2W 0 33Ω JL R513 464 6F810 M0 ELECTROLYTIC CAPACITOR CD110 35V 1000uF M C320 998 JUMPER WIRE JS01 998 JUMPER WIRE JS02 998 JUMPER WIRE C338 459 2182H 90 CERAMIC CAPACITOR CC1 12C SL 63V 821J C816 998 JUMPER WIRE J357 998 JUMPER WIRE J347 472 24213 00 FBT BSC24 3031 UL T301 881 60074 00 HIGH VOLTAGE WARNING LABEL 681 40003 00 OK ...

Page 26: ...1 MAIN PCB ASS Y AUTOMATIC INSERTION 340 00001 003 DIODE 1N4148 D502 340 00001 003 DIODE 1N4148 D503 340 00001 003 DIODE 1N4148 D506 340 00001 003 DIODE 1N4148 D514 340 00001 003 DIODE 1N4148 D802 340 00001 003 DIODE 1N4148 DV01 340 00001 003 DIODE 1N4148 DV02 340 00001 003 DIODE 1N4148 DV03 340 00010 003 DIODE S5295G D507 340 00010 003 DIODE S5295G D306 340 00086 003 DIODE TVR 1B D307 340 00288 0...

Page 27: ...H102KYR C525 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR C528 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA02 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA03 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA14 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA15 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA30 459 2210K 002 CERAMIC CAPACITOR CK45 B1H102KYR CA31 459 2210K 002 CERAMIC C...

Page 28: ...H391KYR C519 459 5147K 002 CERAMIC CAPACITOR RQC05B471K H46CA C302 459 5147K 002 CERAMIC CAPACITOR RQC05B471K H46CA C517 459 5147K 002 CERAMIC CAPACITOR RQC05B471K H46CA C520 467 1D047 H03 CARBON RESISTOR RT14 1 4W 47Ω J R509 462 B0310 H02 POLYESTER CAPACITOR CL21X 50V 0 01uF J C323 462 B0422 H02 POLYESTER CAPACITOR CL21X 50V 0 22uF J C321 462 B0422 H02 POLYESTER CAPACITOR CL21X 50V 0 22uF J CV09 ...

Page 29: ...C CAPACITOR CD110 50V 1uF M CA19 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA20 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA23 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA24 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA25 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA26 464 60533 M02 ELECTROLYTIC CAPACITOR CD110 50V 3 3uF M C327 464 60533 M02 ELE...

Page 30: ...1C210 H03 CARBON RESISTOR 1 6W 1K J R203 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R228 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R229 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R231 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R323 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R824 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R825 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R514 467 1C210 H03 CARBON RESISTOR 1 6W 1K J R806...

Page 31: ...310 H03 CARBON RESISTOR 1 6W 10K J R302 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R520 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R523 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R524 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R804 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R805 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R807 467 1C310 H03 CARBON RESISTOR 1 6W 10K J R808 467 1C310 H03 CARBON RESISTOR 1 6W 10K...

Page 32: ...3 CARBON RESISTOR RT14 1 4W 56Ω J R311 467 1D210 H03 CARBON RESISTOR RT14 1 4W 1K J R308 467 1E510 H03 CARBON RESISTOR 1 2W 1M J R505 471 2B56K 003 PEAKING COIL SPT0305 R56K 5 L102 471 2068K 103 PEAKING COIL LGA0410 68uH K L103 471 2068K 103 PEAKING COIL LGA0410 68uH K L201 471 2068K 103 PEAKING COIL LGA0410 68uH K L202 471 2068K 103 PEAKING COIL LGA0410 68uH K L203 471 2068K 103 PEAKING COIL LGA0...

Page 33: ...M33 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M34 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M35 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M36 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M37 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M38 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M39 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M40 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M41 895 6020025 50 RIVET...

Page 34: ...E J234 998 JUMPER WIRE J235 998 JUMPER WIRE J236 998 JUMPER WIRE J237 998 JUMPER WIRE J238 998 JUMPER WIRE J239 998 JUMPER WIRE J240 998 JUMPER WIRE J241 998 JUMPER WIRE J242 998 JUMPER WIRE J243 998 JUMPER WIRE J244 998 JUMPER WIRE J245 998 JUMPER WIRE J246 998 JUMPER WIRE J247 998 JUMPER WIRE J249 998 JUMPER WIRE J250 998 JUMPER WIRE J252 998 JUMPER WIRE J253 998 JUMPER WIRE J254 998 JUMPER WIRE...

Page 35: ...E J285 998 JUMPER WIRE J287 998 JUMPER WIRE J288 998 JUMPER WIRE J289 998 JUMPER WIRE J290 998 JUMPER WIRE J291 998 JUMPER WIRE J292 998 JUMPER WIRE J293 998 JUMPER WIRE J294 998 JUMPER WIRE J295 998 JUMPER WIRE J296 998 JUMPER WIRE J297 998 JUMPER WIRE J298 998 JUMPER WIRE J299 998 JUMPER WIRE J300 998 JUMPER WIRE J301 998 JUMPER WIRE J302 998 JUMPER WIRE J303 998 JUMPER WIRE J304 998 JUMPER WIRE...

Page 36: ...98 JUMPER WIRE J335 998 JUMPER WIRE J336 998 JUMPER WIRE J337 998 JUMPER WIRE J338 998 JUMPER WIRE J339 998 JUMPER WIRE J340 998 JUMPER WIRE J341 998 JUMPER WIRE J342 998 JUMPER WIRE J343 998 JUMPER WIRE J345 998 JUMPER WIRE J346 998 JUMPER WIRE J348 998 JUMPER WIRE J349 998 JUMPER WIRE J350 998 JUMPER WIRE J351 998 JUMPER WIRE J352 998 JUMPER WIRE J353 998 JUMPER WIRE D308 998 JUMPER WIRE D310 99...

Page 37: ...VD401 340 00001 00 DIODE 1N4148 VD402 340 00001 00 DIODE 1N4148 VD403 343 18150 10 TRANSISTOR 2SC1815 Y V404 343 26880 20 TRANSISTOR 2SC2688L V401 343 26880 20 TRANSISTOR 2SC2688L V402 343 26880 20 TRANSISTOR 2SC2688L V403 364 58204 00 CRT SOCKET GZS8 17 UL 459 2127H 90 CERAMIC CAPACITOR CC1 08 SL 63V 271J C401 459 2127H 90 CERAMIC CAPACITOR CC1 08 SL 63V 271J C402 459 2127H 90 CERAMIC CAPACITOR C...

Page 38: ...RESISTOR 1 2W 2 7KΩ J R414 467 8E227 H0A SOLID RESISTOR 1 2W 2 7KΩ J R415 471 1068H 00 PEAKING COIL EL0606SKI 680J L401 471 2068K 00 PEAKING COIL SPT0305 680K 5 L402 655 41201 240 ４ PINS LEAD WITH HOUSING X402 655 61201 65 6 PINS LEAD WITH HOUSING X401 782 J2130 0200 CRT PCB 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M1 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M2 998 JUMPER WIRE J402 998 JUMPER ...

Page 39: ...18 ...