Disney DT1300-C Service Manual
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Disney DT1300-C Service Manual

Disney DT1300-C Service Manual

13” color television
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SERVICE MANUAL

13" COLOR TELEVISION
DT1300-C/DT1300-P/DT1300-A

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Summary of Contents for Disney DT1300-C

  • Page 1: Service Manual

    SERVICE MANUAL 13” COLOR TELEVISION DT1300-C/DT1300-P/DT1300-A...

  • 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 X- is obtained, remove and reinsert the AC power 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 Chassis or Secondary Conductor for damage or deterioration. Observe that screws, 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 [1] REAR CABINET Fig. 1 [1] REAR CABINET [2] JACK A CBA [3] JACK B CBA [4] FUNCTION Fig. 2 L6310DC...
  • Page 13 [3] MAIN CBA Front Cabinet Fig. 3 [2] CRT CBA Anode Cap Front Cabinet Degaussing Coil [4] CRT Fig. 4 L6310DC...

  • Page 14: Wiring Diagram

    TV Cable Wiring Diagram FUNCTION CBA SP802 SP801 CN101B JACK B CBA MAIN CBA CN812B CN802A JACK A CBA CN812A CN801A CN101A CN811B CN811A CN691 CN301A AC601 FLYBACK AC CORD TRANSFORMER TUNER CN571 CN581A CRT CBA CN301B DG691 WH581B DEGAUSSING COIL CN501 FOCUS...

  • Page 15: 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 16 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 17: Vco Adjustment

    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, skew distortion will appear on the screen.
  • Page 18 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 carrier. 90±5% of display size and the circle is round. Symptom of Misadjustment: If C-Trap Adjustment is 6.
  • Page 19 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 20: White Balance Adjustment

    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 21: Convergence Adjustment

    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 22: Block Diagram

    BLOCK DIAGRAMS IF/Video/System Control Block Diagram RF/IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL TP301 TP300 IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION) RF AGC IF AGC CF302 4.5MHz TO AUDIO/POWER TU AUDIO CONTROL BLOCK EXT.CLK WF16 CF301 VIDEO 4.5MHz TRAP FILTER LOCK DET CONTROL IC151 INTELLIGENT (MEMORY) MONITORING IC101 (TV MICON)
  • Page 23 Audio/Power Control Block Diagram AUDIO SIGNAL MAIN CBA IC301 VIDEO/AUDIO/CHROMA/DEFLECTION/IF FROM/TO IF/VIDEO CONTROL /SYSTEM CONTROL BLOCK JK801 TU AUDIO HEADPHONE JACK IC801 (AMP) LIMITER FM DET OUTPUT JK702 AUDIO-IN (FRONT) JK703 TO IF/VIDEO/ SP802 AUDIO-IN RESET RESET SYSTEM CONTROL SPEAKER (REAR) BLOCK CN802A...
  • Page 24 CRT/H.V. Block Diagram VIDEO SIGNAL IC551 (V-DEFLECTION CONTROL) MAIN CBA WF12 THERMAL DY551 D.Y. WF11 PROTECTION V-DRIVE DRIVE PROTECT-1 V-RAMP-F/B 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 25: Power Supply Block Diagram

    Power Supply Block Diagram CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, CAUTION ! REPLACE ONLY WITH SAME TYPE 4 A, 125V FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. 4A/125V ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A, 125V.

  • Page 26: 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 27 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
  • Page 28 Main 1/4 Schematic Diagram IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL MAIN 1/4 Ref No. Position IC101 IC151 IC801 TRANSISTOR Q121 CONNECTORS CN391 CN101A CN801A CN802A CN811A CN812A TEST POINTS TP300 TP301 L6310SCM1...
  • Page 29 Main 2/4 Schematic Diagram IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL MAIN 2/4 Ref No. Position IC301 TRANSISTOR Q321 Q351 L6310SCM2...
  • Page 30 Main 3/4 Schematic Diagram MAIN 3/4 CAUTION ! 1 NOTE: Ref No. Position NOTE : Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The Capacitor ( C643 ) is either type A or type B. The voltage for parts in hot circuit is measured If Main Fuse (F601) is blown, check to see that all components in the power supply These two types are exchangeable and can be...
  • Page 31 Main 4/4 & CRT Schematic Diagram MAIN 4/4 Ref No. Position Ref No. Position TRANSISTORS Q501 IC551 Q502 TRANSISTORS Q503 Q571 CONNECTORS Q572 CN501 CONNECTORS CN301B CN571 CN581B CN301A TEST POINTS CN581A TP501 TEST POINT TP502 TP601 VIDEO SIGNAL L6310SCM4 7-10...
  • Page 32 Main CBA Top View CAUTION ! CAUTION: FOR CONTINUED PROTECTION AGAINST RISK BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 33 Main CBA Bottom View CAUTION: FOR CONTINUED PROTECTION AGAINST RISK BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 34 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS CN501 CN301B CN581B TEST POINTS TP501 TP502 WF14 WF15 WF13 Q502 Q501 Q502 Q501 Q503 Q503 Base Base Collector Collector Base Collector 7-15 7-16 BL6310F01021-2...
  • Page 35 FUNCTION CBA Bottom View FUNCTION CBA Top View BL6310F01021-1 JACK-A CBA Top View JACK-A CBA Bottom View BL6310F01021-3 JACK-B CBA Top View JACK-B CBA Bottom View BL6310F01021-4 7-17 7-18...

  • Page 36: 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 37: Wiring Diagram

    WIRING DIAGRAM CN801A CLN801 1 SP-AUDIO SP801 SPEAKER 2 SP-GND CN802A CLN802 1 SP-AUDIO SP802 SPEAKER 2 SP-AUDIO CN101A CN101B ANODE KEY-IN1 FUNCTION CBA BL6310F01021-1 V501 CN691 TU1 TUNER UNIT CLN551 FOCUS CN501 T571 MAIN CBA SCREEN CN811A CN811B BL6310F01011-1 SP-AUDIO EXTERNAL JK811...

  • Page 38: Ic Pin Function

    IC PIN FUNCTIONS IC101(TV Micro Computer) Signal Name Function Signal Name Function I2C-BUS Controller Interface 37 SDA (Data) H-SYNC H-SYNC Input White Balance Adjustment 38 I2C OPEN V-SYNC V-SYNC Input Judgement N.U. Not Used I2C-BUS Controller Interface 39 SCL (Clock) N.U.

  • Page 39: Exploded Views

    EXPLODED VIEWS Cabinet SHINWHA TAPE SGT-730 V501-1 (BLACK) SP811 SHINWHA Details for DY551 TAPE SGT-730 CLN811 DY551 SP812 and surrounding parts (WHITE) V501-2 ANODE CAP Part of Flyback CLN551 Transformer A-17 CLN812 DG691 A-18 A-13 CRT CBA DY551 SCOTCH TAPE #880 CLN801 SP801 MAIN CBA...
  • Page 40 Packing Ear Speaker Assembly Tape Tape Shoes Tape Tape Packing Tape F R O Packing Tape 11-3 11-4 L6310PEX...
  • Page 50 Printed in Japan 2003-03-03 HO...

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Dt1300-pDt1300-a

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