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XOCECO TK2055D Service Manual

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COLOR TELEVISION
TK2055D
(TS2049)

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Summary of Contents for XOCECO TK2055D

  • Page 1 COLOR TELEVISION TK2055D (TS2049)

  • Page 2: Table Of Contents

    CONTENTS Safety Precautions………………………………………………………………………..…… Alignment instruction. ………………………………….…………………………….……. Debugging instruction …………………………………………….…………………………. IC Block diagram ……………………………..…..…..…..…..…..…….………….…………. Function introduction to pin……………………..……………………….………………….. Wiring diagram……………………………………………………………………………..… Part list.....………..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…... Schematic diagram………………………………………………………..……………....

  • Page 3: Safety Precautions

    AUTION: THIS SERVICE MANUAL IS ONLY FOR PROFESSIONAL SERVICE PERSONNEL’S REFERENCE. BEFORE SERVICING THIS CHASSIS, PLEASE READ THE FOLLOWING NOTICE ITEMS. 1. SAFETY INSTRUCTION AND GENERAL INSTRUCTION Before servicing and aligning this equipment, please read the following “X-RAY RADIATION PRECAUTION” ,”SAFETY PRECAUTION” and “PRODUCT SAFETY NOTICE”. 1.1 X-RAY RADIATION PRECAUTION 1）...

  • Page 4: Alignment Instruction

    1.3 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 rated for higher wattage, etc.

  • Page 5: Debugging Instruction

    3 TEST EQUIPMENT 3.1 AUDIO VOLTAMETER 3.2 OSCILLOGRAPH 3.3 HIGH-VOLTAMETER 3.4 DIGITAL MULTIMETER 3.5 AC ATTACK PULL TEST EQUIPMENT 3.6 SCAN frequency signal generator BT-3 4 Debugging instruction 4.1 enter into the factory debugging menu use to the remote control(RC-A23),follow to the blow model enter into the factory: DISPLAY →...
  • Page 6 adjustment SUB-BRIGHT to let picture on the screen microbright. 4.5 receive white balance adjustment signal enter PAGE3 of factory menu, press PP to select T1 picture mode, let the value of GD unchange, adjust RD and B.D to let the white part of the picture appear “white”. 4.6 Use white balancer to rectify the white balance under following conditions colour temperature:12000K+8MPCD x =0.270±...
  • Page 7 AUTO PASSWORD CLEAR volume 4.12 the factory menu adjustment model pre-set item Pre-set model P1-60 V SIZE 60HZ field amplitude 4.5.1 V SHIFT 60HZ field center 4.5.1 H-PHASE 60HZ H-center 4.5.1 V LINE 60HZ V-line 4.5.1 V SC 60HZ field S-correct 4.5.1 V COMP field amplitude compensate...
  • Page 8 SIF SW Sound IF0=4.5MHZ fixed VIDEO LEVEL VIDEO LEVEL fixed GY ANGLE G-Y demodulation angle fixed V.R TM Filed scan strting time fixed R/B ANG R-Y/B-Y demodulation angle Fixed R/B BAL R-Y/B-Ydemodulation balance fixed C TRAP Color trap filter fixed H FREQ H-frequency fixed...
  • Page 9 CRAY.MODE Test signal fixed,0=white(75%)1=grey(15%) 4.4 adjustment dark white BY TV Blue chromatism DC level balance(TV/AV model) 4.4 adjustment dark white RY TV Red chromatism DC level balance(TV/AV model) DVD input Blue chromatism 4.4 adjustment dark white balance (DVD BY YUV DC level input) DVD input Red chromatism...
  • Page 10 VOL 1 1% volume control speciality fixed VOL 25 25%volume control speciality fixed VOL 50 50%volume control speciality fixed VOL 75 75%volume control speciality fixed 72700 fixed ,1=ALC ON Baseband model ,input level The unit no use adjustment SAP LEVEL SAP level fixed SIF.M/BB.M...

  • Page 11: Ic Block Diagram

    IC BLOCK DIAGRAM LA76931...

  • Page 12: Function Introduction To Pin

    Function introduction to pin function Reference function Reference voltage voltage SIF output 2.28 PIF input1 2.86 PIF AGC 2.61 PIF input 2 2.86 SIF input 3.11 IF GND FM filter 2.64 RF AGC output 4.55 FM filter/sound output 2.25 Video output 2.30 Sound output 2.24...
  • Page 13 Mute, high 5.00 Level availability I2C DATA 5.00 x T2 4.50 I2C CLOCK 5.00 x T1 2.70 KA5Q0565RT Function introduction to pin name function Reference Voltage(V) Drain drain output of MOSFET, current-limiting checking point of internal drain current. source of MOSFET,common ground and reference of circit controlled by source.
  • Page 14 AN7522 Pins function function function power GND input CH2 input CH1+ output volume CH1- output CH1+ output Stand-by GND (CH2 output) CH1 input CH1+ output LA78040...
  • Page 15 Pins function pin function pin function Inverting input Ver. output Output stage vcc Pump up output 7 NON inverting input LA72700 pin function pin function AC coupling input dbx RMS detection AC coupling output Dbx main signal V/I charge filter Stereo VCO PLL filter Decoupling filter Pilot level check...
  • Page 16 Stereo detection sensitivity 32 Model output: MONO=0.9V SAP=2.0V STEREO=3.0V STEREO+SAP=3.8V SAP detection sensitivity Sub-carrier input(3.579545MHZ 200Mv) dbx RMS detection Filter adjustment check Dbx broad band detection Pilot dispel reference signal1 Dbx spectrum detection Pilot dispel reference signal2...

  • Page 17: Wiring Diagram

    WIRING DIAGRAM XS302 XS501 XS701 XS604 XS602 XS401 TUNER XS402 AV BOARD XS606 667-TS2130-29...

  • Page 18: Part List

    PART LIST PART# DESCRIPTION LOCA.NO. 100-TS20490-10 TK2055D 100-TS20490-01 TS2049 123-30001-04 TWIST WIRE 335-21234-00U *CRT A51QDX993X001H(ATHICK ! 384-40908-U0 SPEAKER ST512-02 477-12105-00U DEGAUSS COIL DX-56-2 488-10012-00 BATTERY 7#( made in china 535-TS2049-00 FRONT CABINET ASS'Y 602-TS2030-02 SCHEMATIC DIAGRAM 604-TS20497-00 OWNER'S MANUAL(DIGISTAR/MTS) 615-10628-00...
  • Page 19 SLEEVE 868-20142-00 RUBBER WASHER (δ1.5) 868-20667-00 CRT SUPPORT 880-10329-00 FRONT LOGO (DIGISTAR ) 881-60085 BLANK WARNING LABEL 881-62075-24 BACK PLATE LABEL (TK2055D,DIGISTAR) 881-63329-00 LABEL (FPE2000,AUDIOVOX) 881-63840-00 POWER SYMBOL LABEL 881-64112-00 TRANSPORTATION LABEL (DIGISTAR) 881-80789-00 EXTENDED CARD (DIGISTAR,13-20CRT) 881-80811-00 ACKNOWLEDGEMENT CARD ((DIGISTAR)
  • Page 20 464-60522-M0 ELECTROLYTIC CAPACITOR CD110-50V-2.2uF-M CS17 464-60522-M0 ELECTROLYTIC CAPACITOR CD110-50V-2.2uF-M CS18 464-60522-M0 ELECTROLYTIC CAPACITOR CD110-50V-2.2uF-M CS20 464-60533-M0 ELECTROLYTIC CAPACITOR CD110-50V-3.3uF-M CS03 464-60610-M0 ELECTROLYTIC CAPACITOR CD110-50V-10uF-M CS01 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J RS06 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J RS07 467-1C115-H03 CARBON RESISTOR 1/6W-150Ω-J RS04 467-1C115-H03 CARBON RESISTOR 1/6W-150Ω-J RS09...
  • Page 21 467-1C047-H0 CARBON RESISTOR 1/6W-47Ω-J R913 467-1C210-H0 CARBON RESISTOR 1/6W-1K-J R911 655-41201-207 (4-PINS) LEAD WITH HOUSING XS901 782-TS2049-0900 IR RECEIVE PCB 459-2410R-00 CERAMIC CAPACITOR DD308-63F104Z50 C902 301-ATS3235-27D RC-A27-0DREMOTE CONTROL UNIT (DIGISTAR) 667-TSP49-01 MAIN PCB ASS'Y 667-TSP49-01\ MAIN PCB ASS'Y (MANUAL INSERTION ) JUMPER WIRE R314 329-33204-00...
  • Page 22 364-77511-00 FUSE HOLDER 364-91206-00 S-VIDEO TERMINAL S-402 XS602 364-96207-00 AV JACK AV6-8416 XS601 457-12003-90U RELAY JQX-115F-012-1H1 ! RL01 458-07009-00 SAW FILTER M1859M Z201 459-2210K-00 CERAMIC CAPACITOR CT1-06-2B4-63V-102K C333 459-6147K-00 CERAMIC CAPACITOR DE0705B471K1k C514 459-6215K-00 CERAMIC CAPACITOR DE0905B152K1K C508 459-6247K-00 CERAMIC CAPACITOR DE1205B472K1K C503 459-6247K-00 CERAMIC CAPACITOR DE1205B472K1K...
  • Page 23 467-2D282-G0 METAL RESISTOR 1/4W-8.2K-G R311 467-2E001-H0 METAL RESISTOR 1/2W-1Ω-JL R321 467-2E133-H0 METAL RESISTOR 1/2W-330Ω-JL R317 467-2F210-H0 METAL RESISTOR 1W-1KΩ-JL R315 467-2G015-H0 METAL RESISTOR 2W-15Ω-JL R520 467-2G291-H0 METAL RESISTOR 2W-9.1kΩ-JL R301 467-2G312-H0 METAL RESISTOR 2W-12kΩ-JL R104 467-2G315-H0 METAL RESISTOR 2W-15kΩ-JL R413 467-2G315-H0 METAL RESISTOR 2W-15kΩ-JL R414...
  • Page 24 706-20173-00 HEAT SINK N503 706-20173-00 HEAT SINK V502 706-20249-00 HEAT SINK V302 706-46006-01 HEAT SINK N301 706-64002-01 HEAT SINK N501 706-T3003-01 HEAT SINK N701 742-30005-09 LINE TIE 742-30005-09 LINE TIE 742-30005-09 LINE TIE 775-10054-00 SOLDERING BLADE 775-10054-00 SOLDERING BLADE 775-60044-00 SOCKET PIN RT-01T-1.3B 775-60044-00 SOCKET PIN RT-01T-1.3B...
  • Page 25 894-40030-11 WASHER GB859-87,3-DZn V302 894-40030-11 WASHER GB859-87,3-DZn V502 667-TSP49-01* MAIN PCB ASS'Y (AUTOMATIC INSERTION ) JUMPER WIRE J001 JUMPER WIRE J002 JUMPER WIRE J003 JUMPER WIRE J004 JUMPER WIRE J005 JUMPER WIRE J006 JUMPER WIRE J007 JUMPER WIRE J008 JUMPER WIRE J009 JUMPER WIRE J010...
  • Page 26 JUMPER WIRE J043 JUMPER WIRE J044 JUMPER WIRE J045 JUMPER WIRE J047 JUMPER WIRE J048 JUMPER WIRE J049 JUMPER WIRE J050 JUMPER WIRE J051 JUMPER WIRE J052 JUMPER WIRE J053 JUMPER WIRE J054 JUMPER WIRE J055 JUMPER WIRE J056 JUMPER WIRE J057 JUMPER WIRE J058...
  • Page 27 JUMPER WIRE J089 JUMPER WIRE J090 JUMPER WIRE J091 JUMPER WIRE J092 JUMPER WIRE J093 JUMPER WIRE J094 JUMPER WIRE J095 JUMPER WIRE J096 JUMPER WIRE J097 JUMPER WIRE J098 JUMPER WIRE J099 JUMPER WIRE J100 JUMPER WIRE J101 JUMPER WIRE J103 JUMPER WIRE J104...
  • Page 28 340-50560-003 ZENER DIODE HZ6B1 VD513 340-50750-003 ZENER DIODE HZ7C2 VD307 340-51260-003 ZENER DIODE HZ12B1 VD515 343-10150-104 TRANSISTOR 2SA1015Y Pr2.5 V202 343-10150-104 TRANSISTOR 2SA1015Y Pr2.5 V501 343-10150-104 TRANSISTOR 2SA1015Y Pr2.5 V701 343-18150-104 TRANSISTOR 2SC1815-Y V303 343-18150-104 TRANSISTOR 2SC1815-Y V404 343-18150-104 TRANSISTOR 2SC1815-Y V503 343-18150-104 TRANSISTOR 2SC1815-Y...
  • Page 29 459-2310R-002 CERAMIC CAPACITOR CK45-F1H103ZYR C707 459-2310R-002 CERAMIC CAPACITOR CK45-F1H103ZYR C709 459-2322R-002 CERAMIC CAPACITOR CT1-10-2F4-63V-223Z C202 459-2347R-002 CERAMIC CAPACITOR CT1-14b-2E-63V-473Z C231 459-2410R-002 CERAMIC CAPACITOR DD308-63F104Z50 C228 459-2410R-002 CERAMIC CAPACITOR DD308-63F104Z50 C230 459-2410R-002 CERAMIC CAPACITOR DD308-63F104Z50 C240 459-5122K-002 CERAMIC CAPACITOR RQC05B221K-6H46UA C302 459-5139K-002 CERAMIC CAPACITOR CK45-B2H391KYR C306...
  • Page 30 464-6C747-M02 ELECTROLYTIC CAPACITOR CD110-10V-470uF-M C218 464-6C747-M02 ELECTROLYTIC CAPACITOR CD110-10V-470uF-M C250 464-6D522-M02 ELECTROLYTIC CAPACITOR CD110-16V-2.2uF-M C704 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C325 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C327 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C601 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C602 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C603 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C604...
  • Page 31 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R102 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R103 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R108 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R110 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R218 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R219 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R224 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R228 467-1C110-H03 CARBON RESISTOR 1/6W-100Ω-J R232...
  • Page 32 467-1C230-H03 CARBON RESISTOR 1/6W-3K-J R517 467-1C239-H03 CARBON RESISTOR 1/6W-3.9K-J R522 467-1C243-H03 CARBON RESISTOR 1/6W-4.3K-J R610 467-1C243-H03 CARBON RESISTOR 1/6W-4.3K-J R611 467-1C247-H03 CARBON RESISTOR 1/6W-4.7K-J R210 467-1C247-H03 CARBON RESISTOR 1/6W-4.7K-J R313 467-1C247-H03 CARBON RESISTOR 1/6W-4.7K-J R402 467-1C247-H03 CARBON RESISTOR 1/6W-4.7K-J R405 467-1C247-H03 CARBON RESISTOR 1/6W-4.7K-J R408...
  • Page 33 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R215 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R216 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R217 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R220 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R243 467-1C322-H03 CARBON RESISTOR 1/6W-22K-J R319 467-1C324-H03 CARBON RESISTOR 1/6W-24K-J R229 467-1C324-H03 CARBON RESISTOR 1/6W-24K-J R230 467-1C324-H03 CARBON RESISTOR 1/6W-24K-J R510...
  • Page 34 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M108 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M109 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M110 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M111 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M112 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M113 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M114 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M115 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M116 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M117 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M118...
  • Page 35 467-1C410-H0 CARBON RESISTOR 1/6W-100K-J RA02 471-2001K-00 PEAKING COIL SPT0305-1R0K-5 LA01 471-2001K-00 PEAKING COIL SPT0305-1R0K-5 LA02 655-6E301-12 (6-PINS) LEAD WITH HOUSING XA02 782-TS2049-2900 SIDE AV PCB 851-23010-11 SCREW SJ2824 ST3X10C-D.Zn 868-20037-00 FIBRE WASHER φ8Xφ3.2X0.5 870-20884-00 SIDE AV BRACKET 667-TS20491-05 Standby KEY BOARD ASS'Y 360-10001-00 TACT SWITCH KFC-A06-4X4.5X5B 655-2E301-56...
  • Page 36 NS01 LA72700...

This manual is also suitable for:

Ts2049