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XOCECO TA2933 Service Manual

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S E R V I C E
S E R V I C E
M A N U A L
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Summary of Contents for XOCECO TA2933

  • Page 1 S E R V I C E S E R V I C E M A N U A L M A N U A L...

  • Page 2: Table Of Contents

    Contents Safety Instruction………………………………………………………………………………1 ……………… X-ray radiation protection………… …………………………………………..1 ……………… Safety Measures………… …………………………………………………………..2 ……………… Points of attention for product safety………… ……………………………………3 Alignment procedures……………………………………………………………………… Adjustment equipment …………………………………………………………….. ……… Adjustment instruction……… ………………………………………………………… ……… Factory adjustment method………………………………………………………………………..5 IF amplification adjustment…………………………………………………………………….5 …………… B+ confirmation ……………………………………………………………………….5 ……...

  • Page 3: Safety Instruction

    Attention: This maintenance manual is only intended for the professional maintenance personnel to take reference with. Before repairing TV set please carefully read the following points of attention. Safety Instruction Before fixing and aligning this set, please read the following “Points of attention for Safety “, “Points of attention for Safety of Components”...

  • Page 4: Safety Measures

    (29” pure flat). When the TV set needs to be fixed, please follow the inspection procedures of high voltage in item 4.11 under this instruction ”Inspection of high voltage”. It is suggested that the value of high voltage be recorded as part of maintenance work. It is most essential at the same time to use precise and dependable high voltage meter.

  • Page 5: Points Of Attention For Product Safety

    between the known good earthing connector (such as underground metal tube) and the exposed metal parts out of the cabinet. Measure AC voltage across both terminals. Then exchange the two pins of AC before re-measuring every exposed metal parts. The measured value of voltage should not exceed 0.3V effective value, which corresponds to current.0.2mA If the value exceeds this specified value, aligning must be made at once.

  • Page 6: Alignment Procedures

    2 Flow chart of Adjustment and aligning High volt Filament volt IF Test X-ray Focus course EEPROM Picture & casse White adjustment B+volt and 5V-3V check Dark balance White balance and Color Field amplitude, SCART JACK field linearity Line field, center and field amplitude, reset Brightness Earphone...

  • Page 7: Adjustment Equipment

    4.1.2 There are totally three pages of factory menu. Turn the page by pushing “MENU”, Move the items by CH+/CH- key, Adjust the value by VOL+/VOL-. After adjustment, push “OK” for save. 4.1.3 The method to quit factory menu: Under the item VCT in SERVICE XOCECO-50 Hz, push EXIT: OK 4.2 IF amplifier alignment...

  • Page 8: Sound Detection

    4.5 Sound inspection 4.5.1 Receive 1kHz sound signal 100% modulated and connect X701 with 8Ω false resistances (load). Connect sound voltage meter and Oscillograph to two poles of the false resistances. 4.5.2 Turn the sound to the biggest volume. Balance the sound and set the high/low sound to the middle, MSS OFF, DBE OFF, and the sound power should be ≥7 W×2（about 7.5 Vrms）, distortion≤7% (A slight peak cutting at maximum sound sine wave is allowed.）...

  • Page 9: Adjustment Of Screen-Grid Vg2

    The adjustment result should satisfy the scan linear geometric distortion and over scan (rate of recurrence) 4.9 Adjustment of screen-grid Focus and VG2 4.9.1 Adjust FBT Focus pole potentiometer until picture is clear. 4.9.2 Enter factory menu Cathode current (G2) item, (AV should be kept empty then), push VOL+, change to bright horizontal line and adjust the potentiometer of the line pack acceleration pole in such a way that the bight horizontal line becomes slightly bright.

  • Page 17: Electrical Parts List

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PERCAUTION”, “SAFETY PRECAUTION” AND “RPODUCT SAFETY NOTICE” ON PAGE 1&2 OF THIS MANUAL. CAUTION: 1. The shaded areas makes in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with type identical to those in the original circuit or specified in the parts list.
  • Page 18 SYMBOL PART NO. DESCRIPTION D512 340-00001-003 1N4148 D503 340-00001-003 1N4148 D504 340-00001-003 1N4148 D509 340-00001-003 1N4148 D510 340-00001-003 1N4148 D507 340-00001-003 1N4148 D704 340-00001-003 1N4148 D524 340-00001-003 1N4148 D402 340-00001-003 1N4148 D403 340-00001-003 1N4148 D528 340-00001-003 1N4148 D361 340-00001-003 1N4148 D100 340-00001-003 1N4148...
  • Page 19 SYMBOL PART NO. DESCRIPTION V302 343-38520-00 2SC3852 V101 343-23690-004 PH2369 D519 343-00420-404 SFORIB42 V501 343-04000-304 2SD400 E/F V304 343-10150-104 2SA1015Y Pr2.5 V303 343-10150-104 2SA1015Y Pr2.5 V201 343-10150-104 2SA1015Y Pr2.5 V502 343-10150-104 2SA1015Y Pr2.5 V702 343-10150-104 2SA1015Y Pr2.5 VA01 343-10150-104 2SA1015Y Pr2.5 V405 343-10150-104 2SA1015Y Pr2.5...
  • Page 20 SYMBOL PART NO. DESCRIPTION C415 459-2110H-102 CC45-CH1H101JYR C271 459-2122H-102 CC45-CH1H221JYR C344 459-2122H-102 CC45-CH1H221JYR C411 459-2122H-102 CC45-CH1H221JYR C412 459-2122H-102 CC45-CH1H221JYR C413 459-2122H-102 CC45-CH1H221JYR C201 459-2122H-102 CC45-CH1H221JYR C313 459-2133K-902 RBU07SL331K-H46CA C316 459-2133K-902 RBU07SL331K-H46CA C642 459-2147H-902 CC1-12-SL-63V-471J C640 459-2147H-902 CC1-12-SL-63V-471J C641 459-2147H-902 CC1-12-SL-63V-471J C516 459-2168K-002 CK45-B1H681KYR...
  • Page 21 SYMBOL PART NO. DESCRIPTION C731 459-2410R-002 DD308-63F104Z50 C266 459-2410R-002 DD308-63F104Z50 C264 459-2410R-002 DD308-63F104Z50 C268 459-2410R-002 DD308-63F104Z50 C409 459-2410R-002 DD308-63F104Z50 C410 459-2410R-002 DD308-63F104Z50 C121 459-2410R-002 DD308-63F104Z50 C120 459-2410R-002 DD308-63F104Z50 C123 459-2410R-002 DD308-63F104Z50 C308 459-5133K-002 RQC05B331K-H46CA C566 459-5133K-002 RQC05B331K-H46CA C334 459-5139K-002 CK45-B2H391KYR C529 459-5147K-002 RQC05B471K-H46CA...
  • Page 22 SYMBOL PART NO. DESCRIPTION C614 462-B0347-H02 CL21X-50V-0.047uF-J C615 462-B0347-H02 CL21X-50V-0.047uF-J C285 462-B0368-H02 CL21X-50V-0.068uF-J C286 462-B0368-H02 CL21X-50V-0.068uF-J C284 462-B0368-H02 CL21X-50V-0.068uF-J C265 462-B0410-H02 CL21X-50V-0.1uF-J C630 462-B0410-H02 CL21X-50V-0.1uF-J C629 462-B0410-H02 CL21X-50V-0.1uF-J C103 462-B0410-H02 CL21X-50V-0.1uF-J C631 462-B0410-H02 CL21X-50V-0.1uF-J C263 462-B0410-H02 CL21X-50V-0.1uF-J C711 462-B0410-H02 CL21X-50V-0.1uF-J C701 462-B0447-H02 CL21X-50V-0.47uF-J...
  • Page 23 SYMBOL PART NO. DESCRIPTION C333 462-55333-H0 CBB12-400V-0.033uF-J C327 462-55356-H0 CBB12-400V-0.056uF-J C518 462-56268-H0 CBB13-630V-6800PF-J C332 462-85433-H0 CBB21-400V-0.33uF-J C318 462-D5410-H0 CBB21A-400V-0.1uF-J C319 462-8E310-H4F CBB81A-2K-0.01uF-J C324 462-88272-H0 CBB81-1600V-7200PF-J ELECTROLYTIC CAPACITOR C342 464-V1610-T0 CD111HR-100V-10uF-T C530 464-04747-M0R 200USP470MA35 C514 464-08715-M0H 450V-150uF-M C560 464-6B710-M0 CD110-6.3V-100uF-M C540 464-6C710-M0 CD110-10V-100uF-M C624...
  • Page 24 SYMBOL PART NO. DESCRIPTION C217 464-6D610-M02 CD110-16V-10uF-M C218 464-6D610-M02 CD110-16V-10uF-M C626 464-6D610-M02 CD110-16V-10uF-M C219 464-6D610-M02 CD110-16V-10uF-M C281 464-6D622-M02 CD110-16V-22uF-M C298 464-6D622-M02 CD110-16V-22uF-M C213 464-6D647-M02 CD110-16V-47uF-M C549 464-6D710-M02 CD110-16V-100uF-M C127 464-6D710-M02 CD110-16V-100uF-M C550 464-6D710-M02 CD110-16V-100uF-M C564 464-6D710-M02 CD110-16V-100uF-M C119 464-6D710-M02 CD110-16V-100uF-M CA16 464-6D747-M02 CD110-16V-470uF-M...
  • Page 25 SYMBOL PART NO. DESCRIPTION C330 464-62510-M02 CD288-160V-1uF-M C307 464-60647-M02 CD110-50V-47uF-M C321 464-6F810-M0 CD110-35V-1000uF-M C733 464-6D810-M0 CD110-16V-1000uF-M CARBON RESISTOR R119 467-1D110-H0 RT14-1/4W-100Ω-J R259 467-1C022-H03 1/6W-22Ω-J R610 467-1C022-H03 1/6W-22Ω-J R611 467-1C022-H03 1/6W-22Ω-J R604 467-1C022-H03 1/6W-22Ω-J R605 467-1C022-H03 1/6W-22Ω-J R606 467-1C022-H03 1/6W-22Ω-J R607 467-1C022-H03 1/6W-22Ω-J R433...
  • Page 26 SYMBOL PART NO. DESCRIPTION R102 467-1C127-H03 1/6W-270Ω-J R428 467-1C130-H03 1/6W-300Ω-J R429 467-1C130-H03 1/6W-300Ω-J R431 467-1C130-H03 1/6W-300Ω-J R101 467-1C130-H03 1/6W-300Ω-J R123 467-1C130-H03 1/6W-300Ω-J R135 467-1C130-H03 1/6W-300Ω-J R145 467-1C139-H03 1/6W-390Ω-J R150 467-1C147-H03 1/6W-470Ω-J R133 467-1C151-H03 1/6W-510Ω-J R203 467-1C151-H03 1/6W-510Ω-J R353 467-1C156-H03 1/6W-560Ω-J R505 467-1C168-H03 1/6W-680Ω-J...
  • Page 27 SYMBOL PART NO. DESCRIPTION R273 467-1C227-H03 1/6W-2.7K-J R274 467-1C227-H03 1/6W-2.7K-J R275 467-1C227-H03 1/6W-2.7K-J R107 467-1C230-H03 1/6W-3K-J R206 467-1C230-H03 1/6W-3K-J R110 467-1C327-H03 1/6W-27K-J R270 467-1C247-H03 1/6W-4.7K-J R271 467-1C247-H03 1/6W-4.7K-J R712 467-1C247-H03 1/6W-4.7K-J R715 467-1C247-H03 1/6W-4.7K-J R355 467-1C247-H03 1/6W-4.7K-J R512 467-1C247-H03 1/6W-4.7K-J R704 467-1C247-H03 1/6W-4.7K-J...
  • Page 28 SYMBOL PART NO. DESCRIPTION R318 467-1C315-H03 1/6W-15K-J R252 467-1C315-H03 1/6W-15K-J R251 467-1C315-H03 1/6W-15K-J R118 467-1C315-H03 1/6W-15K-J R548 467-1C318-H03 1/6W-18K-J R210 467-1C320-H03 1/6W-20K-J R211 467-1C320-H03 1/6W-20K-J R424 467-1C322-H03 1/6W-22K-J R425 467-1C322-H03 1/6W-22K-J R426 467-1C322-H03 1/6W-22K-J R427 467-1C322-H03 1/6W-22K-J R381 467-1C322-H03 1/6W-22K-J R117 467-1C322-H03 1/6W-22K-J...
  • Page 29 SYMBOL PART NO. DESCRIPTION R344 467-1E012-H03 1/2W-12Ω-J R321 467-1E327-H03 1/2W-27K-J R130 467-1C382-H03 1/6W-82K-J R125 467-1C182-H03 1/6W-820Ω-J J188 467-1C247-H03 1/6W-4.7K-J R325 467-1C210-H03 1/6W-1K-J R612 467-1C318-H03 1/6W-18K-J R613 467-1C318-H03 1/6W-18K-J R109 467-1C333-H03 1/6W-33K-J R100 467-1C322-H03 1/6W-22K-J R114 467-1C310-H03 1/6W-10K-J R136 467-1C210-H03 1/6W-1K-J R137 467-1C210-H03 1/6W-1K-J...
  • Page 30 SYMBOL PART NO. DESCRIPTION N505 352-28300-30 AS2830AU-3.3 N504 352-28300-30 AS2830AU-3.3 N601 352-34630-60 MSP3463G N201 352-38330-70 VCT3833F N102 353-40520-80 HEF4052BT N101 352-44700-10 TDA4470MFL N701 352-74950-10 TDA7495S N301 352-78041-00 LA78041 N503 352-78050-40 TA78M05P N501 352-96560-00 STR-G9656 AV SOCKET XA02 364-92213-00 AV417-3 RELAY 457-12003-9G JQX-14FF-012-1HS SAW FILTER...
  • Page 31 SYMBOL PART NO. DESCRIPTION R315 467-4E001-H0 1/2W-1Ω-JL R513 467-4E010-H0 1/2W-10Ω-JL R313 467-4FA24-H0 1W-2.4Ω-JL R361 467-4FB33-H0 1W-0.33Ω-JL R518 467-4FB33-H0 1W-0.33Ω-JL R312 467-4FB33-H0 1W-0.33Ω-JL R302 467-4FB68-H0 1W-0.68Ω-JL R308 467-4F010-H0 1W-10Ω-JL CARBON RESISTOR R502 467-8E582-H0A 1/2W-8.2MΩ-J R516 467-8E582-H0A 1/2W-8.2MΩ-J POTENTIOMETER RP101 468-33207-00 EVND8A-20K RP501 468-32107-00 EVND8A-A03-B13...
  • Page 32 SYMBOL PART NO. DESCRIPTION DEGAUSSING COIL 477-12801-00 BD-205-3 POWER SWITCH 360-30028-00 KDC-A04-S 335-2912L-00 73SX707Y22-DC01 POWER CORD 485-10125-02 BUTTON BOARD SYMBOL PART NO. DESCRIPTION 782-TAE35-0500 BUTTON PCB LIGHT-EMITTING DIODE HFR205 (RED） VD802 340-10039-20 VD801 340-10021-50 2EF565 (GREEN) RC801 352-27000-00 HRM138AA2700 CERAMIC CAPACITOR C802 459-2410R-00 DD308-63F104Z50...
  • Page 33 SYMBOL PART NO. DESCRIPTION CAA4 459-2210K-00 CT1-06-2B4-63V-102K THIN-FILM CAPACITOR CAA7 462-B0347-H0 CL21X-50V-0.047uF-J CAA8 462-B0347-H0 CL21X-50V-0.047uF-J ELECTROLYTIC CAPACITOR CAA5 464-60610-M0 CD110-50V-10uF-M CAA2 464-60610-M0 CD110-50V-10uF-M CAA3 464-60610-M0 CD110-50V-10uF-M CARBON RESISTOR RAA11 467-1C033-H0 1/6W-33Ω-J RAA12 467-1C033-H0 1/6W-33Ω-J RAA5 467-1C075-H0 1/6W-75Ω-J RAA8 467-1C075-H0 1/6W-75Ω-J RAA2 467-1C120-H0 1/6W-200Ω-J...
  • Page 34 SYMBOL PART NO. DESCRIPTION D431 340-00001-00 1N4148 D434 340-00001-00 1N4148 TRANSISTOR V415 343-04210-00 BF421 V425 343-04210-00 BF421 V435 343-04210-00 BF421 V402 343-05620-10 2SA562TM-Y V401 343-18150-11 2SC1815-Y V412 343-18150-11 2SC1815-Y V422 343-18150-11 2SC1815-Y V432 343-18150-11 2SC1815-Y V411 343-26880-50 2SC2688M V412 343-26880-50 2SC2688M V413 343-26880-50...
  • Page 35 SYMBOL PART NO. DESCRIPTION R423 467-1C156-H0 1/6W-560Ω-J R433 467-1C156-H0 1/6W-560Ω-J R405 467-1C168-H0 1/6W-680Ω-J R410 467-1C182-H0 1/6W-820Ω-J R420 467-1C182-H0 1/6W-820Ω-J R430 467-1C182-H0 1/6W-820Ω-J R419B 467-1C210-H0 1/6W-1K-J R429B 467-1C210-H0 1/6W-1K-J R439B 467-1C210-H0 1/6W-1K-J R404 467-1C212-H0 1/6W-1.2K-J R407 467-1C227-H0 1/6W-2.7K-J R402 467-1C410-H0 1/6W-100K-J R414 467-1E410-H0 1/2W-100K-J...
  • Page 36 SYMBOL PART NO. DESCRIPTION V619 343-18150-11 2SC1815-Y V620 343-18150-11 2SC1815-Y V611 343-19640-30 2SA1964E V612 343-52480-30 2SC5248E CERAMIC CAPACITOR C623 459-2082H-10 CC1-08-63V-82pF-J C622 459-2082H-10 CC1-08-63V-82pF-J C614 459-2110H-10D CC1-08-CH-63V-101J C616 459-2110H-10D CC1-08-CH-63V-101J C626 459-2210K-00 CT1-06-2B4-63V-102K C601 459-2210K-00 CT1-06-2B4-63V-102K C619 459-5056H-90 CC45SL2H560JYJ C615 459-5247K-00 RQC12B472K-H46CA C617...
  • Page 37 SYMBOL PART NO. DESCRIPTION R640 467-2E047-H0 1/2W-47Ω-JL R614 467-2E068-H0 1/2W-68Ω-JL R631 467-2E133-H0 1/2W-330Ω-JL R643 467-2F122-H0 1W-220Ω-JL...

  • Page 38: Assembly Drawing Of Complete Set

    Assembly drawing of complete set...

  • Page 39: Detail List Of Assembly Drawings

    DETAIL LIST OF ASSEBLY DRAWINGS Name Name BACK NAMEPLATE PRESS KEY SIDE AV BRACKET SET SIDEWAYS SUPPORTING BLOCK FOR CRT SCREW PUSH BUTTON PLATE BACK CABINET MAIN BOARD FRAME COMPOSITE BOLT BACK PLATE MAIN BOARD CRT FIXED SCREW PLATE ASSY’ POWER SWITCH DRAWING SPRING WITH FIBER LINE POWER PUSH BUTTON...

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