Sylvania W6413TC Service Manual
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Sylvania W6413TC Service Manual

Sylvania W6413TC Service Manual

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SERVICE MANUAL
13" COLOR TELEVISION
W6413TC

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  • Page 1 SERVICE MANUAL 13” COLOR TELEVISION W6413TC...

  • Page 2: Table Of Contents

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and de- scribed in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Specifications

    SPECIFICATIONS <TUNER> ANT. Input ------------------- 75ohm Unbal., F type Reference Level------------20Vp-p (CRT Green Cathode) Test Input Signal -----------400Hz 30% modulation Description Condition Unit Nominal Limit 1. Intermediate Freq. Picture 45.75 Sound 41.25 2. Peak Picture Sens dBµv CATV dBµv dBµv 3.

  • Page 4: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 5 ing is performed that involves B+, horizontal de- earth ground. If a voltage reading in excess of 1.0V flection or high voltage. Correct operation of the is obtained, remove and reinsert the AC power X-radiation protection circuits also must be recon- plug in the opposite polarity and again measure firmed each time they are serviced.
  • Page 6 Precautions during Servicing 3) Align the lengths of the wires to be connected. In- sert the wires fully into the connector. A. Parts identified by the ( # ) symbol are critical for 4) Use the crimping tool to crimp the metal sleeve at safety.
  • Page 7 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, Chassis or Secondary Conductor parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit Terminals firm the specified values in order to verify compliance with safety standards.

  • Page 8: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications (2) Remove the flat pack-IC with tweezers while ap- plying the hot air. a. The output pin of the 3 pin Regulator ICs is indicat- (3) Bottom of the flat pack-IC is fixed with glue to the ed as shown.
  • Page 9 With Soldering Iron: soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (1) Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder (5) Release the flat pack-IC from the CBA using twee- flux which is applied to all pins of the flat pack-IC, zers.
  • Page 10 2. Installation Instructions for Handling Semiconductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semiconductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by electro- easily.

  • Page 11: Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Note : (1) Order of steps in procedure. When reassembling, This flowchart indicates the disassembly steps for the follow the steps in reverse order. These numbers cabinet parts, and the CBA in order to gain access to are also used as the Identification (location) No.
  • Page 12 Front Cabinet [3] Main CBA Control Plate [1] Rear Cabinet Fig. 3 Fig. 1 Anode Cap. [1] Rear Cabinet CRT Ground Wire Degaussing Coil Front Cabinet Front Cabinet [2] CRT [4] CRT Control Plate Control Plate Fig. 4 Fig. 2 L6005DC...
  • Page 13 TV Cable Wiring Diagram SP801 L691 DEGAUSSING COIL CLN801 MAIN CBA CN801 WH301A CN691 FLYBACK TRANSFORMER TUNER T571 CN571 WH501A AC601 AC CORD FOCUS JK501 SCREEN WH301B WH501B ANODE CN501 TO CRT GROUND Fig. 5 L6005DC...

  • Page 14: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: 4. When CPU version is 054-0.13: Check the display "CBA" is abbreviation for "Circuit Board Assem- on the lower left is "00" and if it is not "00", set it at bly". "00" according to "3-1 FRENCH, ACCESS CODE, VIDEO TONE".
  • Page 15 3-1. Setting for 7F and FRENCH 3-2. Setting for CONTRAST, data Values COLOR, TINT, V-TINT and SHARP data Values General General 1. Enter the Service mode. (See page 5-1) 1. Enter the Service mode. (See page 5-1) 2. Press " VOL p " button on the Service remote con- trol unit.
  • Page 16 4. H f Adjustment 6-1. AGC Adjustment Purpose: Set AGC (Auto Gain Control) Level. Purpose: To get correct horizontal frequency. Symptom of Misadjustment: AGC does not syn- Symptom of Misadjustment: . If H f adjustment is in chronize correctly when RF input level is too weak and correct, sqew distortion will appear on the screen.
  • Page 17 8. C-Trap Adjustment 5. Press " CH o / p " buttons on the Service remote control unit so that the monoscope pattern will be Purpose: To get minimum leakage of the color signal car- 90±5% of display size and the circle is round. rier.
  • Page 18 11. H. Position Adjustment 12. Cut-off Adjustment Purpose: To obtain correct horizontal position of Purpose: To adjust the beam current of R, G, B, and screen image. screen voltage. Symptom of Misadjustment: If H. Position is incor- Symptom of Misadjustment: White color may be rect, horizontal position of image on the screen may reddish, greenish or bluish.
  • Page 19 13. White Balance Adjustment 14. Sub-Brightness Adjustment Purpose: To get proper brightness. Purpose: To mix red, green and blue beams correctly for pure white. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by Symptom of Misadjustment: White becomes bluish adjusting the Brightness Control.
  • Page 20 The following 2 adjustments normally are not 17. Convergence Adjustment attempted in the field. Only when replacing the Purpose: To obtain proper convergence of red, green CRT then adjust as a preparation. and blue beams. 16. Purity Adjustment Symptom of Misadjustment: If Convergence Adjust- ment is incorrect, the edge of white letters may have Purpose: To obtain pure color.

  • Page 21: Block Diagram

    BLOCK DIAGRAMS IF/Video/System Control Block Diagram RF/IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL MAIN CBA (TO FM ANT.) CN101 FM-ANT. TP301 TP300 IC333 VIDEO/AUDIO/CHROMA/DEFLECTION/IF TO AUDIO/POWER TU AUDIO CONTROL BLOCK CF302 4.5MHz FM-ANT. 2 IF SIGNAL CONTROL EXT.CLK FILTER WF16 CIRCUIT SERIAL CF301 4.5MHz...
  • Page 22 Audio/Power Control Block Diagram AUDIO SIGNAL MAIN CBA IC333 VIDEO/AUDIO/CHROMA/DEFLECTION/IF FROM/TO IF/VIDEO CONTROL /SYSTEM CONTROL JK801 BLOCK EARPHONE TU AUDIO JACK IC801 (AMP) JK702 AUDIO-IN CN801 LINE OUTPUT SPEAKER 1 TUNER SP-GND 2 LIMITER FM DET MUTE SP801 SPEAKER FROM/TO IF/VIDEO A-MUTE-H /SYSTEM CONTROL RESET...
  • Page 23 CRT/H.V. Block Diagram VIDEO SIGNAL IC551 V-DEFLECTION CONTROL MAIN CBA THERMAL WF12 DY551 D.Y. WF11 PROTECTION V-DRIVE DRIVE PROTECT-1 V.RAMP NF PULSE FROM/TO IF/VIDEO DRIVE /SYSTEM CONTROL BLOCK CN571 Q572 Q571 T572 H-DRIVE H.DRIVE H.OUTPUT PROTECT-2 FROM POWER DEF+B SUPPLY BLOCK T571 F.B.T.
  • Page 24 Power Supply Block Diagram CAUTION NOTE : CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Switching power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using REPLACE ONLY WITH THE SAME TYPE FUSE. hot GND as a common terminal.

  • Page 25: Schematic Diagram / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement compo- nents rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...
  • Page 26 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED.
  • Page 27 Main 1/2 Schematic Diagram IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL MAIN 1/2 Ref No. Position IC111 IC151 IC333 IC801 TRANSISTORS Q121 Q351 TEST POINTS TP300 TP301 CONNECTORS CN101 CN301 CN801 L6014SCM1...
  • Page 28 Main 2/2 & CRT Schematic Diagram 1 NOTE: CAUTION CAUTION ! The Capacitor ( C643 ) is either type A or type B. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage power supply circuit is used in this unit. These two types are exchangeable and can be equally used REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 29 Main CBA Top View CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage power supply circuit is used in this unit. BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F601) is blown, check to see that all components in the power supply SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 30 Main CBA Bottom View CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage power supply circuit is used in this unit. REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F601) is blown, check to see that all components in the power supply SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 31 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS CN501 WH301B WH501B WF14 WF15 Q502 Q502 Q501 Q501 Collector Base Collector Base WF13 Q503 Collector Q503 Base 7-15 7-16 BL6100F01013-2...

  • Page 32: Waveforms

    WAVEFORMS Input: NTSC Color Bar Signal (with 1kHz Audio Signal) INITIAL POSITION: Unplug unit from AC outlet for at least 5 minutes. reconnect to AC outlet and then turn power on. WF1 ~ WF16 = Waveforms to be observed at (Brightness---Center Color---Center Tint --- Center Contrast---Approx 70%) Waveform check points.

  • Page 33: Wiring Diagram

    WIRING DIAGRAM CN801 CLN801 SP801 SPEAKER SPEAKER SP-GND CN101 FM-ANT. TO FM ANT. ANODE TU1 TUNER UNIT V501 MAIN CBA BL6100F01013-1 CN691 CLN551 FOCUS CN501 T571 SCREEN WH301B WH301A CLN301 GREEN GREEN BLUE BLUE WH501B WH501A CLN501 +180V 1 +180V CRT CBA 2 GND BL6100F01013-2...

  • Page 34: Ic Pin Function

    IC PIN FUNCTIONS IC111(TV Micro Computer) Signal Name Function Signal Name Function OSD-G Green Output OSD-B Blue Output N.U. Not Used Input For Vertical N.U. Not Used V-SYNC Synchronize Signal EXT-H Ext-H Input For Horizontal H-SYNC N.U. Not Used Synchronize Signal KEY-IN 1 Key Input 1 (Main) INT-MONI/...
  • Page 35 EXPLODED VIEWS Cabinet SHINWHA TAPE SGT-730 V501-1 (BLACK) Details for DY551 and surrounding parts SHINWHA TAPE SGT-730 (WHITE) DY551 CLN1 V501-2 ANODE CAP CLN801 Part of Flyback Transformer L-13 CRT CBA DG691 SP801 CLN551 DY551 FM Antenna SCOTCH B-11 TAPE #880 V501 B-12 MAIN CBA...
  • Page 36 Packing PACKING TAPE TAPE PACKING TAPE 11-3 L6015PEX...

  • Page 37: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. Note: Before replacing any of these components, read care- 1. V501 (CRT) HAS COUPLE OF SUBSTITUTIONAL PARTS AND EACH PARTS ALSO HAS MATCHING COMBINATION WITH DY551.
  • Page 38 Ref. No. Description Part No. V501# CRT A34JXV70X TCRT190THA02 V501-2 WEDGE FT-00110W or XV10000T4001 WEDGE DB25SR XV10000D9001 Table 1 (V501 and DY551 Combination) Note 1: Purity and Convergence Adjustments must be performed following CRT replacement. Refer to Electri- cal Adjustment Instructions. Note 2: Please confirm CRT Type No.

  • Page 39: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C301 CERAMIC CAP.(AX) F Z 0.1µF/50V or CA1J104TU014 Before replacing any of these components, read care- CERAMIC CAP.(AX) F Z 0.1µF/50V CCA1JZT0F104 fully the product safety notice in this service manual.
  • Page 40 Ref. No. Description Part No. Ref. No. Description Part No. C384 CERAMIC CAP.(AX) CH J 68pF/50V CA1J680TU008 If C642 is 0.01µF, then C643 is 0.01µF. C385 ELECTROLYTIC CAP. 0.47µF/50V M or CE1JMASTLR47 C642# SAFETY CAP. 10000pF/250V or CCG2EMA0F103 ELECTROLYTIC CAP. 0.47µF/50V M CE1JMASDLR47 SAFETY CAP.
  • Page 41 Ref. No. Description Part No. Ref. No. Description Part No. D102 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 D605# DIODE 1N5397-B or NDLZ001N5397 SWITCHING DIODE 1N4148 NDTZ001N4148 RECTIFIER DIODE ERB12-06 QDQZ0ERB1206 D125 ZENER DIODE MTZJT-775.6B or QDTB0MTZJ5R6 D606# DIODE 1N5397-B or NDLZ001N5397 ZENER DIODE DZ-5.6BSBT265 NDTB0DZ5R6BS RECTIFIER DIODE ERB12-06...
  • Page 42 Ref. No. Description Part No. Ref. No. Description Part No. IC:CHROMA/IF 1 CHIP M61210FP-R63T QSZAD0RMB086 TRANSISTOR KTA1267(GR) or NQS10KTA1267 IC551# VERTICAL OUTPUT IC LA78040A or QSBBA0SSY003 TRANSISTOR KTA1266(GR) or NQS40KTA1266 VERTICAL OUTPUT IC AN5522 QSZBA0SMS002 TRANSISTOR 2SA1015-GR(TPE2) QQS102SA1015 IC601# PHOTOCOUPLER LTV-817B-F or NPEB0LTV817F Q675 TRANSISTOR 2SC2785(F) or...
  • Page 43 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 2.2k Ω CARBON RES. 1/4W J 100k Ω R318 RRXAJB5Z0222 R588# RCX4JATZ0104 CHIP RES.(1608) 1/10W J 2.2k Ω CARBON RES. 1/4W J 100k Ω R319 RRXAJB5Z0222 R589 RCX4JATZ0104 CHIP RES.(1608) 1/10W J 1M Ω...
  • Page 44 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 75 Ω R701 RRXAJB5Z0750 GP641# GAP. FNR-G3.10D FAZ000LD6005 CHIP RES. 1/10W J 0 Ω R702 RRXAJB5Z0000 JK701 RCA JACK 1P AV-8.4-9Y JXRL010RP010 CHIP RES.(1608) 1/10W J 47k Ω R711 RRXAJB5Z0473 JK702...
  • Page 45 Ref. No. Description Part No. Q503 TRANSISTOR 2SC2482 TPE6 or QQSZ02SC2482 TRANSISTOR 2SC3468(E)-AE or QQSE02SC3468 TRANSISTOR 2SC3468(D)-AE or QQSD02SC3468 TRANSISTOR KTC3207 NQSZ0KTC3207 RESISTORS METAL OXIDE FILM RES. 1W J 15k Ω or R501 RN01153ZU001 METAL OXIDE FILM RES. 1W J 15k Ω RN01153DP003 METAL OXIDE FILM RES.
  • Page 46 Printed in Japan 2002-06-17 HO...

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