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XOCECO NXT1333 Service Manual

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COLOR TELEVISION
NXT1333
(TS1333)

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Summary of Contents for XOCECO NXT1333

  • Page 1 COLOR TELEVISION NXT1333 (TS1333)

  • Page 2: Table Of Contents

    CONTENTS Safety Precautions………………………………………………………………………..…… Alignment instruction. ………………………………….…………………………….……. Debugging instruction …………………………………………….…………………………. IC Block diagram ……………………………..…..…..…..…..…..…….………….…………. Function introduction to pin……………………..……………………….………………….. Wiring diagram……………………………………………………………………………..… Exploded view………..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…..…... 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: Exploded View

    EXPLODED VIEW...
  • Page 19 TS1333 PART LIST OF EXPLODED VIEW DESCRIPTION PART# SCREW 851-24020-14 CRT BOARD No number 335-14216-00U COMPONENT NUT 648-30001-00 CRT FIXED BRACKET 615-10197-00 LED COLUMN 700-60150-00 STANDBY BOARD ASSY 667-TS20301-05 SCREW 851-53012-31 SPEAKER 384-40916-J0 FRONT CABIINET ASSY 611-B33R6-0H1 STANDBY BUTTON 877-60536-H0 SPEAKER 384-40916-J0 FRONT NAMEPLATE...

  • Page 20: Part List

    PART LIST PART# DESCRIPTION LOCA.NO. 100-TS13330-13 NXT1333 100-TS13330-01 TS1333 123-30001-04 TWIST WIRE 335-14216-00 CRT A34KQW42X01 THIN ! 384-40916-J0 SPEAKER YDT313-01-16 477-11401-00 DEGAUSS COIL DGC-CJ-37cm 488-10012-00 BATTERY 7＃(made in china 491-702D0-02 POWER CORD UL 604-TS13337-00 OWNER'S MANUAL(NEXXTECH,CANMTS ) 611-B33R6-0H1 FRONT CABINET ASS'Y ( SILVER WHITE 03,SILK-SCREEN...
  • Page 21 GREY 10C 881-60085 BLANK WARNING LABEL 881-60085 BLANK WARNING LABEL 881-60085 BLANK WARNING LABEL 881-64019-00 TRANSPORTATION LABEL (NXT1333,NEXXTECH) 881-64057-00 REMOTE CONTROL UNIT LABEL (NXT1333,NEXXTECH) 881-80810-00 PASSWORD CARD Nexxxtech 886-31236-320W CARTON BOX (NXT1333,NEXXTECH) 887-20044-01 POWER CORD COVER 887-20171-00 PALSTIC BAG 70-500-0.06 887-21135-00 CLASPER PALSTIC BAG 230X330X0.1...
  • Page 22 352-78040-70 *IC LA78040N N301 352-78050-00 IC KA7805 N503 364-32101-00 2-PINS CONNECTORS TJC3-02A XS204 364-32108-00 2-PINS CONNECTORS TJC1-2A XS502 364-33101-00 3-PINS CONNECTORS TJC3-03A XS203 364-34101-00 4-PINS CONNECTORS TJC3-04A XS202 364-34101-00 4-PINS CONNECTORS TJC3-04A XS205 364-36101-00 6-PINS CONNECTORS TJC3-06A XS604 364-36101-00 6-PINS CONNECTORS TJC3-06A XS701 364-36102-00 6-PINS CONNECTORS TJC2-6A...
  • Page 23 467-1D251-H0 CARBON RESISTOR RT14-1/4W-5.1K-J R526 467-2D239-G0 METAL RESISTOR 1/4W-3.9K-G R312 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...
  • Page 24 706-T3008-01 HEAT SINK N701 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 775-60137-00 HOLLOW PILLAR φ2.36×14B R104 775-60137-00 HOLLOW PILLAR φ2.36×14B R332 775-60137-00 HOLLOW PILLAR φ2.36×14B R520 775-60137-00 HOLLOW PILLAR φ2.36×14B VD507 775-60137-00 HOLLOW PILLAR φ2.36×14B...
  • Page 25 JUMPER WIRE J022 JUMPER WIRE J023 JUMPER WIRE J025 JUMPER WIRE J026 JUMPER WIRE J027 JUMPER WIRE J028 JUMPER WIRE J029 JUMPER WIRE J030 JUMPER WIRE J032 JUMPER WIRE J033 JUMPER WIRE J034 JUMPER WIRE J035 JUMPER WIRE J036 JUMPER WIRE J037 JUMPER WIRE J038...
  • Page 26 JUMPER WIRE J076 JUMPER WIRE J078 JUMPER WIRE J079 JUMPER WIRE J080 JUMPER WIRE J081 JUMPER WIRE J082 JUMPER WIRE J083 JUMPER WIRE J084 JUMPER WIRE J085 JUMPER WIRE J086 JUMPER WIRE J087 JUMPER WIRE J088 JUMPER WIRE J089 JUMPER WIRE J090 JUMPER WIRE J091...
  • Page 27 340-50470-003 ZENER DIODE HZ5B1 VD503 340-50520-003 ZENER DIODE HZ5C3 VD201 340-50520-003 ZENER DIODE HZ5C3 VD309 340-50560-003 ZENER DIODE HZ6B1 VD202 340-50560-003 ZENER DIODE HZ6B1 VD203 340-50560-003 ZENER DIODE HZ6B1 VD204 340-50560-003 ZENER DIODE HZ6B1 VD513 340-50750-003 ZENER DIODE HZ7C2 VD307 340-51260-003 ZENER DIODE HZ12B1 VD515...
  • Page 28 459-2410R-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 459-5168K-002 CERAMIC CAPACITOR RQC06B681K-6H46UA C315 459-5168K-002 CERAMIC CAPACITOR RQC06B681K-6H46UA C318 459-5168K-002 CERAMIC CAPACITOR RQC06B681K-6H46UA C323 459-5168K-002 CERAMIC CAPACITOR RQC06B681K-6H46UA C513...
  • Page 29 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C609 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C611 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C613 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C614 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C705 464-6D610-M02 ELECTROLYTIC CAPACITOR CD110-16V-10uF-M C710 464-6D622-M02 *ELECTROLYTIC CAPACITOR CD110-16V-22uF-M C211 464-6D647-M02 ELECTROLYTIC CAPACITOR CD110-16V-47uF-M C255 464-6D710-M02 ELECTROLYTIC CAPACITOR CD110-16V-100uF-M C212...
  • Page 30 467-1C147-H03 CARBON RESISTOR 1/6W-470Ω-J R519 467-1C156-H03 CARBON RESISTOR 1/6W-560Ω-J R231 467-1C156-H03 CARBON RESISTOR 1/6W-560Ω-J R234 467-1C156-H03 CARBON RESISTOR 1/6W-560Ω-J R240 467-1C168-H03 CARBON RESISTOR 1/6W-680Ω-J R506 467-1C175-H03 CARBON RESISTOR 1/6W-750Ω-J R209 467-1C175-H03 CARBON RESISTOR 1/6W-750Ω-J R239 467-1C210-H03 CARBON RESISTOR 1/6W-1K-J R202 467-1C210-H03 CARBON RESISTOR 1/6W-1K-J R305...
  • Page 31 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R710 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R713 467-1C310-H03 CARBON RESISTOR 1/6W-10K-J R714 467-1C312-H03 CARBON RESISTOR 1/6W-12K-J R310 467-1C312-H03 CARBON RESISTOR 1/6W-12K-J R327 467-1C315-H03 CARBON RESISTOR 1/6W-15K-J R241 467-1C315-H03 CARBON RESISTOR 1/6W-15K-J R619 467-1C318-H03 CARBON RESISTOR 1/6W-18K-J R320 467-1C320-H03 CARBON RESISTOR 1/6W-20K-J R227...
  • Page 32 895-6020025-50 RIVET GB876-86-2X2.5-COPPER M107 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 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 33 467-1C210-H0 CARBON RESISTOR 1/6W-1K-J R911 467-1C222-H0 CARBON RESISTOR 1/6W-2.2K-J R903 467-1C233-H0 CARBON RESISTOR 1/6W-3.3K-J R904 467-1C247-H0 CARBON RESISTOR 1/6W-4.7K-J R905 467-1C282-H0 CARBON RESISTOR 1/6W-8.2K-J R906 467-1C312-H0 CARBON RESISTOR 1/6W-12K-J R907 467-1C420-H0 CARBON RESISTOR 1/6W-200K-J R909 655-31201-03 (3-PINS) LEAD WITH HOUSING 655-41201-210 (4-PINS) LEAD WITH HOUSING 782-TS1433-0500...
  • Page 34 NS01 LA72700...

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Ts1333

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