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XOCECO TK2016 Service Manual

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COLOR TELEVISION
TK2016
(TK2026)

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Summary of Contents for XOCECO TK2016

  • Page 1 COLOR TELEVISION TK2016 (TK2026)

  • Page 2: Table Of Contents

    CONTENTS Safety instruction………………………………………………………………………1 General instruction……………………………………………………………………….1 Alignment instruction……………………………………………………………………2 Alignment f low ..……………………… ……………………… ……………………..2 A l i g n m e n t m e t h o d … … … … … … … … … … … … … … … … … … … … … … … … … . .3 Block diagram..………………………………………………………………………...10 MAIN IC………………………………………………………………………………..11 Schematic diagram………………………………………………………………….16...

  • Page 3: Safety Instruction

    Note: This service manual is only for professional service personnel’s reference. Before servicing the unit, please read the following items carefully. 1 Safety instruction 1.1 X-RAY radiation precaution 1.1.1 Excessive voltage will cause harmful X-ray. To avoid this radiation hazard, the high voltage should fall within the limitation.

  • Page 4: Alignment Instruction

    Alignment instruction 3.1 Debugging item a)adjust mode instruction b)B+ voltage adjustment c)RFAGC voltage adjustment d)focus adjustment e)Screen-grid voltage white balance, sub brightness adjustment f)filed scan center, line , amplitude adjustment g)H-scan center adjustment 3.2 Alignment flow PROM copy High voltage check B+ adjustment X-ray protect check Filament voltage check...

  • Page 5: Alignment Method

    3.3 Enter/exit factory adjustment method Use remote control, press “MENU” button, then press 6483,”TEST”will appear on screen to show that you have entered the factory adjustment method, press “STANDBY” to exit it. Use factory remote control, press the “PRESET” and “TEST” button, then the screen display “test” which means you have entered into the factory adjustment mode, press the “TEST”...
  • Page 6 b) adjust focus electrode potentiometer on FBT to optimize B area focus of screen. 4.7 White balance adjustment (color temperature 12000°K± 8MPCD,X=0.270± 0.008,Y=0.283± 0.008) a) receive full white signal, set color is 0 b) select factory menu3 c) on the basis of blue gun ”BD”, select and adjust “RD, GD” item to make white balance respectively at brightness Y=6cd/m , Y=80cd/m meet standard (color temperature 12000°K±...
  • Page 7 place. c) Exit factory menu 4.12. Checking point 4.12.1 High voltage check Connect High Voltage meter between CRT second anode and GND. Receive A7 signal, set the control to “STANDARD”, measure the high voltage value, the reading should be 25 kV±0. 5 kV Set the brightness and contrast to miminum (zero beam current), measure the high voltage, the reading should not exceed 27kV.
  • Page 8 4.14 Color purity correction a) Turn on your TV b) At least 15 minutes later, use anti-magnetized coil for degaussing c) Obtain maximum brightness and contrast d) Select factory menu3 and adjust to let R and B be zero, then let only green raster appear on the screen at the moment e) Loosen screws of deflection yoke frame to let vertical green belt appear on screen only Move the rubber wedge...
  • Page 9 4.16.2 turn on the unit in the STANDBY state Press CH+/CH- buttons turn on in the STANDBY state. 4.16.3 Information of software version Enter MEU9 of the factory menu in the top. 4.16.4 “STANDARD”, “COLORFUL” and “ SOFTNESS” a).Enter MENU5 Mode of the factory menu b).charge their for seemly analog quantity, then return standard option.
  • Page 10 BTSC-A1 0-31 BTSC-A2 0-31 BTSC-TC BTSC-STS BTSC-ADJ MODE STANADARD(standard, soft, floweriness) BRIGHT 0-100 0-100 CONTRAST COLOR 0-100 SCBRIGHT 0-63 YDELAYTV 0-15 YDELAYAV 0-15 1(field over-scan switch) AGCSPEED 1(AGC of speed) 0(IF PLL SPEED) FMWS 1(frequency range of sound OFF=225KHZ,ON=450KHZ) 0(pre-shock and over-shock scale) NTSCMATRIX USA/JAPAN VOLPIN...
  • Page 11 STARTTIME 6-15 8(turn on time) IF OFFSET 0-63 32(IF compensate) TUNER OPTION 0(BXATB011F---X/ BXATB108F---K) 1 (BXATB017F---K) 2(XXX) GAME GALENDA...

  • Page 12: Block Diagram

    Block diagram A101 Z301 V801 TDA8377 video TUNER IF IN Y IN BU4052 video RF AGC V IN V352 N121 U IN video CVBSINT video S-VHS CHROMA IFVO OUT TRAP video CVBS/Y IN audio AN702 24C08 ARi2 ARi1 AUDIO OUT RGB OUT N801 BU4052...

  • Page 13: Main Ic

    MAIN IC 8377: ICs functional description UOC TDA(OM)8377 SYMBOL DESCRIPTION STAND BY output. In STAND BY mode, high level (Power OFF). For Power ON this pin will be reduced to low. C-bus clock line C-bus data line TUNING P3.0/NTSC SW Control keys input Sound Volume control PWM output MUTE...
  • Page 14 DECDIG decoupling digital supply of TV-processor PH2LF Phase-2 filter PH1LF Phase-1 filter GND3 Ground 3 for TV-processor DECBG Band gap decoupling AVL/EWD Automatic volume leveling /EAST-WEST drive output VDRB Vertical drive B output VDRA Vertical drive A output IFIN1 IF input 1 IFIN2 IF input 2 IREF...
  • Page 15 TV-processor (3.3 V) OTP Programming Voltage VDDC digital supply to core (3.3 V) OSCGND oscillator ground supply XTALIN crystal oscillator input XTALOUT crystal oscillator output RESET reset VDDP digital supply to periphery (+3.3 V) P1.0/INT1 TV/AV (AV1) / AV2 /S-VHS mode Output. P1.1/T0 TV/AV (AV1) / AV2 /S-VHS mode Output.
  • Page 16 AN 7522/AN17821A 6. Test point Waveforms 3.8Vpp 2.5Vpp 2.5Vpp 1.2Vpp 2.6Vpp TDA8377 PIN53 TDA8377 PIN52 TDA8377 PIN51 TDA8377 PIN40 TDA8377 PIN38 0.9Vpp 5Vpp 95Vpp 95Vpp 95Vpp TDA8377 PIN34 TDA8377 PIN33 CRT KR CRT KG CRT KB 0.8Vpp 1Vpp 2.7Vpp 920Vpp V451 B V451 C TDA8377 PIN59...
  • Page 17 Wiring diagram...

  • Page 18: Schematic Diagram

    SCHEMATIC DIAGRAM are extremely CAUTION:all the parts in the schematic diagram marked with shodows and the signs of important for safety. In case of replacement of any part of components. Be sure to consult the service manual carefully. 1. the schematic diagram is characteristic. The various valus in the electric circuits are basic data, which are changeable according to the various basic circuits.
  • Page 21 PART LIST OF EXPLODED VIEW DESCRIPTION PART NO. SCREW 851-24020-14 COMPONENT SCREW ST6X24BT-D.Zn 855-96024-31 CRT A51KQK99X01 335-21225-00U SCREW SJ2825 ST3X10FT-D.Zn 851-53010-31 SPEAKER ST512-02 384-40908-U0 WASHER 868-20217-00 SPEAKER BRACKET 870-20854-00 CRT SUPPORT 868-20491-00 TOUCH SWITCH KFC-A06-4X4.5X5B 360-10001-00 BUTTON BOARD ASSY 667-TK2026-05 BUTTON 877-60546-00 LED COLUMN...

  • Page 22: Part List

    PART LIST PART# DESCRIPTION LOCA.NO. 203-TK20260-11 TK2016, BRAND PRIMA,N-M,CUL SILVERY 100-TK20260-01 TK2026 123-30001-04 TWIST WIRE 602-TK2026-01 SCHEMATIC DIAGRAM 611-30358J0H1 FRONT CABINET ASS'Y (HIPS V0 SILVER WHITE 03 655-62101-01 (6-PINS) LEAD WITH HOUSING 700-60156-00 LED LED COLUMN 742-30005-09 LINE TIE 742-30006-09...
  • Page 23 CLASPER PALSTIC BAG 230X330X0.1 335-21225-00U CRT A51KQK99X01THICK 604-TK20267-01 OWNER'S MANUALPRIMA MTS NEWCPU 808-6B758-04 INTERFACE SPACE PLATE (SILK-SCREEN ) 880-10205-788A BACK PLATE (TK2016,PRIMA) 880-10589-A1 FRONT LOGO (PRIMA SILVERY GREY 10C 21" 881-61884-00 CSA WARNING LABEL 881-63016-00A POWER SYMBOL LABEL ( T2751)
  • Page 24 459-2147H-90 CERAMIC CAPACITOR CC1-12-SL-63V-471J C732 464-6D610-M0 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C322 464-6D610-M0 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C751 464-6D647-M0 ELECTROLYTIC CAPACITOR CD110-16V-47uF-M C723A 464-6D647-M0 ELECTROLYTIC CAPACITOR CD110-16V-47uF-M C815 464-6D710-M0 ELECTROLYTIC CAPACITOR CD110-16V-100uF-M C743 464-6D733-M0 ELECTROLYTIC CAPACITOR CD110-16V-330uF-M C581 464-60510-M0 ELECTROLYTIC CAPACITOR CD110-50V-1uF-M C841 464-60522-M0 ELECTROLYTIC CAPACITOR CD110-50V-2.2uF-M C755...
  • Page 25 467-1C047-H03 CARBON RESISTOR 1/6W-47Ω-J R931 467-1C215-H03 CARBON RESISTOR 1/6W-1.5K-J R397 467-1C256-H03 CARBON RESISTOR 1/6W-5.6K-J R481 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R395 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R396 340-00001-003 DIODE 1N4148 VD171 340-00001-003 DIODE 1N4148 VD461 340-00001-003 DIODE 1N4148 VD462 340-00001-003 DIODE 1N4148 VD511 340-00001-003 DIODE 1N4148...
  • Page 26 459-2310R-002 CERAMIC CAPACITOR CK45-F1H103ZYR C756 459-2310R-002 CERAMIC CAPACITOR CK45-F1H103ZYR C399 459-2410R-002 CERAMIC CAPACITOR DD308-63F104Z50 C302 459-2410R-002 CERAMIC CAPACITOR DD308-63F104Z50 C703A 459-5122K-002 CERAMIC CAPACITOR RQC05B221K-6H46UA C405 459-5147K-002 CERAMIC CAPACITOR RQC05B471K-H46CA C513 459-5210K-002 CERAMIC CAPACITOR CK45-B2H102KYR C452 459-5239K-002 CERAMIC CAPACITOR CK45-B2H392KYR C451 462-B0422-H02 POLYESTER CAPACITOR CL21X-50V-0.22uF-J C491...
  • Page 27 464-6E722-M02 ELECTROLYTIC CAPACITOR CD110-25V-220uF-M C474 464-6F647-M02 ELECTROLYTIC CAPACITOR CD110-35V-47uF-M C453 464-6F647-M02 ELECTROLYTIC CAPACITOR CD110-35V-47uF-M C460A 464-6F710-M02 ELECTROLYTIC CAPACITOR CD110-35V-100uF-M C406 464-60447-M02 ELECTROLYTIC CAPACITOR CD110-50V-0.47uF-M C372 464-60447-M02 ELECTROLYTIC CAPACITOR CD110-50V-0.47uF-M C374 464-60510-M02 ELECTROLYTIC CAPACITOR CD110-50V-1uF-M C163 464-60510-M02 ELECTROLYTIC CAPACITOR CD110-50V-1uF-M C337 464-60510-M02 ELECTROLYTIC CAPACITOR CD110-50V-1uF-M C862...
  • Page 28 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R452 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R723 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R724 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R743 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R861 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R862 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R354 467-1C115-H03 CARBON RESISTOR 1/6W-150Ω-J R815A 467-1C115-H03 CARBON RESISTOR 1/6W-150Ω-J R848...
  • Page 29 467-1C210-H03 CARBON RESISTOR 1/6W-1K-J R351 467-1C212-H03 CARBON RESISTOR 1/6W-1.2K-J R305 467-1C212-H03 CARBON RESISTOR 1/6W-1.2K-J R560 467-1C215-H03 CARBON RESISTOR 1/6W-1.5K-J R732 467-1C222-H03 CARBON RESISTOR 1/6W-2.2K-J R371 467-1C222-H03 CARBON RESISTOR 1/6W-2.2K-J R451 467-1C224-H03 CARBON RESISTOR 1/6W-2.4K-J R515 467-1C227-H03 CARBON RESISTOR 1/6W-2.7K-J R540 467-1C233-H03 CARBON RESISTOR 1/6W-3.3K-J R463...
  • Page 30 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R827A 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R851A 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R852A 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R912 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R922 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R932 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R709 467-1C315-H03 CARBON RESISTOR 1/6W-15K-J R331 467-1C318-H03 CARBON RESISTOR 1/6W-18K-J R804...
  • Page 31 471-2A56K-003 PEAKING COIL SPT0305-5R6K-5 L351 471-2010K-003 PEAKING COIL SPT0305-100K-5 L331 471-2010K-003 PEAKING COIL SPT0305-100K-5 L361 471-2010K-003 PEAKING COIL SPT0305-100K-5 L751 471-2010K-003 PEAKING COIL SPT0305-100K-5 L752 471-2010K-003 PEAKING COIL SPT0305-100K-5 L753 895-6016030-50 RIVET GB876-86 1.6X3 COPPER 895-6016030-50 RIVET GB876-86 1.6X3 COPPER 895-6016030-50 RIVET GB876-86 1.6X3 COPPER 895-6016030-50...
  • Page 32 JUMPER WIRE W162 JUMPER WIRE W163 JUMPER WIRE W164 JUMPER WIRE W167 JUMPER WIRE W168 JUMPER WIRE W169 JUMPER WIRE W231 JUMPER WIRE W241 JUMPER WIRE W242 JUMPER WIRE W243 JUMPER WIRE W251 JUMPER WIRE W252 JUMPER WIRE W253 JUMPER WIRE W254 JUMPER WIRE W265...
  • Page 33 JUMPER WIRE W453 JUMPER WIRE W455 JUMPER WIRE W461 JUMPER WIRE W462 JUMPER WIRE W472 JUMPER WIRE W473 JUMPER WIRE W475 JUMPER WIRE W476 JUMPER WIRE W482 JUMPER WIRE W491 JUMPER WIRE W541 JUMPER WIRE W542 JUMPER WIRE W551 JUMPER WIRE W552 JUMPER WIRE W554...
  • Page 34 JUMPER WIRE W783 JUMPER WIRE W784 JUMPER WIRE W785 JUMPER WIRE W786 JUMPER WIRE W787 JUMPER WIRE W791 JUMPER WIRE W862 JUMPER WIRE W871 JUMPER WIRE W872 JUMPER WIRE W873 JUMPER WIRE W874 JUMPER WIRE W875 JUMPER WIRE W876 JUMPER WIRE W877 JUMPER WIRE W878...
  • Page 35 467-1C133-H0 CARBON RESISTOR 1/6W-330Ω-J R602 467-1C156-H0 CARBON RESISTOR 1/6W-560Ω-J R603 467-1C215-H0 CARBON RESISTOR 1/6W-1.5K-J R901 467-1C218-H0 CARBON RESISTOR 1/6W-1.8K-J R902 467-1C230-H0 CARBON RESISTOR 1/6W-3K-J R903 467-1C230-H0 CARBON RESISTOR 1/6W-3K-J R904 467-1C262-H0 CARBON RESISTOR 1/6W-6.2K-J R905 467-1C318-H0 CARBON RESISTOR 1/6W-18K-J R906 655-21201-62 X901 655-41201-201...

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Tk2026

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