Emerson EWC09D5B Service Manual
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Emerson EWC09D5B Service Manual

Emerson EWC09D5B Service Manual

9″ color tv/dvd
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SERVICE MANUAL
9" COLOR TV/DVD
EWC09D5 B

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  • Page 1 SERVICE MANUAL 9″ COLOR TV/DVD EWC09D5 B...
  • Page 2 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 described 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: Table Of Contents

    TABLE OF CONTENTS Specifications ................1-1-1 Laser Beam Safety Precautions .

  • Page 4: Specifications

    SPECIFICATIONS < TV Section > * Test input terminal <Except Tuner>--------Video input (1 Vp-p) Audio input (-10 dB) <Tuner>------------------Ant. input (80 dBµV) Video: 87.5% Audio: 25 kHz dev. (1 kHz Sin) <DEFLECTION> Description Condition Unit Nominal Limit 1. Over Scan —...
  • Page 5 <DVD Section> Description Condition Unit Nominal Limit 1. Horizontal Resolution (TDV-540 TIT.2 CHP.16) Line 2. Video S/N at TP2201 (TDV-540 TIT.2 CHP.6) 3. S/N Chroma at TP2201 (TDV-540 TIT.2 CHP.17) 4. Audio Distortion (LPCM 48 kHz, W/LPF) 0.03 0.07 (PTD 1-NOR TIT.1 CHP.1) L, 20 Hz 5.

  • Page 6: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.

  • Page 7: 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 8 Also, because the picture tube shields and an isolation transformer only if the AC power mounting hardware perform an X-radiation plug is inserted so that the chassis is protection function, they must be correctly in connected to the ground side of the AC power place.
  • Page 9 of the countries in which they are to be sold. 2) Strip about 15 mm of the insulation from the However, in order to maintain such compliance, it ends of the wires. If the wires are stranded, is equally important to implement the following twist the strands to avoid frayed conductors.
  • Page 10 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. 1.

  • Page 11: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is Pb free mark will be found on PCBs which use Pb indicated as shown. free solder. (Refer to figure.) For PCBs with Pb free mark, be sure to use Pb free solder.
  • Page 12 around the flat pack-IC to protect other parts from With Soldering Iron: damage. (Fig. S-1-2) 1. Using desoldering braid, remove the solder from 3. The flat pack-IC on the CBA is affixed with glue, so all pins of the flat pack-IC. When you use solder be careful not to break or damage the foil of each flux which is applied to all pins of the flat pack-IC, pin or the solder lands under the IC when...
  • Page 13 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 14 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 15: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart 2. Disassembly Method REMOVAL This flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to REMOVE/ LOC. PART item(s) to be serviced. When reassembling, follow the Fig.
  • Page 16 Reference Notes in the Table unpacking or repair work. To avoid damage of pickup follow next procedures. CAUTION! 1) Disconnect Connector (CN301) on the DVD When removing the CRT, be sure to discharge the Main CBA Unit. Anode Lead of the CRT with the CRT Ground Wire 2) Short the three short lands of FPC cable with before removing the Anode Cap.
  • Page 17 [3] Tray Chassis Unit [5] Shield S-7B S-7A S-7B S-7C [6] DVD Mechanism S-7A Shield Case Top [7] DVD Junction S-10 S-10 S-10 [10] H.V./DC Shield Power S-11 [9] Main CBA Case Supply CBA Bottom FBT Holder [2] H.V. CBA (wih Holder) Fig.
  • Page 18 [8] DVD Main CBA Unit DVD Mechanism Short the three short lands by soldering. (Either of two places.) View for A Connector Fig. D4 1-5-4 TD300DC...
  • Page 19 ANODE DVD MECHANISM CRT CBA SCREEN CN401 WH501 FOCUS CN301 CN201 CN501 DVD MAIN CN601 CBA UNIT DVD JUNCTION CN2603B CN2603A SPEAKER CN1802 CN1603 CN1731 CN1604 MAIN CBA CN1601 CORD CN1302 CN1801 SPEAKER WH552 WH551 WH554A CN571 H.V./DC POWER SUPPLY Fig.

  • Page 20: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: How to Set up the Service mode: "CBA" is abbreviation for "Circuit Board Service Mode: Assembly." 1. Use the service remote control unit. NOTE: 2. Turn the power on. Electrical adjustments are required after replacing cir- 3.
  • Page 21 1b. DC 117V (+B) Adjustment 3-1. Setting for Data Values (DC Power) General 1. Enter the Service mode. (See page 1-6-1) Purpose: To obtain correct operation. 2. To select the Data Value, press [VOL p] button on Symptom of Misadjustment: The picture is dark and the service remote control unit.
  • Page 22 4. V. Size Adjustment 6. H. Position Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position of image. screen image. Symptom of Misadjustment: If H. Position is incor- Symptom of Misadjustment: If V. Size is incorrect, rect, horizontal position of image on the screen may vertical height of image on the screen may not be not be properly displayed.
  • Page 23 7. White Balance Adjustment 8. Sub-Brightness Adjustment Purpose: To mix red, green and blue beams correctly Purpose: To get proper brightness. 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 24 9. Focus Adjustment 10. C-Trap Adjustment Purpose: Set the optimum Focus. Purpose: To get minimum leakage of the color signal carrier. Symptom of Misadjustment: If Focus Adjustment is incorrect, blurred images are shown on the display. Symptom of Misadjustment: If C-Trap Adjustment is incorrect, stripes will appear on the screen.
  • Page 25 11. H f 0 Adjustment 12. Y DL Time/Y SW LPF Adjustment Purpose: To get correct horizontal frequency. Symptom of Misadjustment: If H f 0 adjustment is in Purpose: To get minimum leakage of the color signal correct, skew distortion will appear on the screen. carrier.
  • Page 26 13. Cut-off Adjustment The following 2 adjustments normally are not attempted in the field. They should be done Purpose: To adjust the beam current of R, G, B, and only when replacing the CRT then adjust as a screen voltage. preparation.
  • Page 27 15. Convergence Adjustment Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjust- ment is incorrect, the edge of white letters may have color edges. Test point Adj. Point Mode Input C.P. Magnet (RB), Dot Pattern C.P.

  • Page 28: How To Initialize The Tv/Dvd

    HOW TO INITIALIZE THE TV/DVD To put the program back at the factory-default, initialize the TV/DVD as the following procedure. < DVD Section > < TV Section > 1. Press [1], [2], [3], [4], and [DISPLAY] buttons on the 1. Use the service remote control unit. remote control unit in that order.

  • Page 29: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and press [SELECT] button on 5. After programming is finished, the tray opens auto- the remote control unit to put the TV/DVD into DVD matically. Fig. e appears on the screen and the mode.

  • Page 30: Block Diagrams

    BLOCK DIAGRAMS < TV Section > Video/System Control Block Diagram 1-9-1 TD300BLV...
  • Page 31 Audio Block Diagram 1-9-2 TD300BLA...
  • Page 32 CRT/H.V. Block Diagram 1-9-3 TD300BLCRT...
  • Page 33 Power Supply Block Diagram 1-9-4 TD300BLP...
  • Page 34 DC Power Supply Block Diagram 1-9-5 TD300BLDC...
  • Page 35 BLOCK DIAGRAMS < DVD Section > DVD System Control/Servo Block Diagram 1-9-6 TD300BLSD...
  • Page 36 Digital Signal Process Block Diagram 1-9-7 TD300BLD...
  • Page 37 DVD Audio Block Diagram 1-9-8 TD300BLAD...

  • Page 38: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING 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 components rated for higher voltage, wattage, etc.
  • Page 39 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 40 Main 1/5 Schematic Diagram < TV Section > MAIN 1/5 Ref No. Position IC1201 TRANSISTORS Q1301 Q1350 CONNECTOR CN1302 TEST POINTS TP1301 TP1302 TP1303 TD300SCM1 1-10-3...
  • Page 41 Main 2/5 Schematic Diagram < TV Section > MAIN 2/5 Ref No. Position IC1202 IC1451 IC1452 IC1731 TRANSISTORS Q1453 Q1454 CONNECTOR CN1731 TEST POINTS TP1401 TP1402 TP1732 TD300SCM2 1-10-4...
  • Page 42 Main 3/5 Schematic Diagram < TV Section > MAIN 3/5 Ref No. Position IC1801 TRANSISTORS Q1282 Q1731 Q1736 Q1737 Q1738 CONNECTORS CN1801 CN1802 TEST POINTS TP1731 TP1733 TP1734 TD300SCM3 1-10-5...
  • Page 43 Main 4/5 Schematic Diagram < TV Section > CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using If Main Fuse (F1601) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 44 Main 5/5 Schematic Diagram < TV Section > MAIN 5/5 Ref No. Position IC1602 IC1603 AA-3 IC1604 TRANSISTORS AA-3 Q1619 Q1621 BB-2 Q1622 BB-2 Q1623 BB-1 Q1625 BB-3 CONNECTORS CC-3 CN1603 CN1604 TD300SCM5 1-10-7...
  • Page 45 H.V. / DC Power Supply 1/2 & CRT Schematic Diagram < TV Section > H.V./DC POWER SUPPLY 1/2 Ref No. Position Ref No. Position TRANSISTORS IC551 Q501 TRANSISTORS Q502 Q571 Q503 Q572 CONNECTORS Q591 CN501 CONNECTORS WH501 CN571 WH551 WH552 TEST POINTS J109 J551...
  • Page 46 H.V. / DC Power Supply 2/2 Schematic Diagram < TV Section > H.V./DC POWER SUPPLY 2/2 Ref No. Position IC902 IC951 TRANSISTORS CAUTION ! Q930 Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. Q931 If Main Fuse (F951) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire,...
  • Page 47 DVD Main 1/3 Schematic Diagram < DVD Section > 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. DVD MAIN 1/3 Ref No. Position IC201 IC202 IC301 IC461 IC462 TRANSISTORS Q251 Q252 Q253 Q254 CONNECTORS CN201 CN301 CN401 TD300SCD1...
  • Page 48 DVD Main 2/3 Schematic Diagram < DVD Section > DVD MAIN 2/3 Ref No. Position IC101 TD300SCD2 1-10-11...
  • Page 49 IC101 Voltage Chart PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
  • Page 50 DVD Main 3/3 Schematic Diagram < DVD Section > DVD MAIN 3/3 Ref No. Position IC103 IC501 IC502 IC601 CONNECTOR CN601 TD300SCD3 1-10-13...
  • Page 51 Main CBA Top View < TV Section > CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using If Main Fuse (F1601) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 52 Main CBA Bottom View < TV Section > CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, If Main Fuse (F1601) is blown , check to see that all components in the power supply hot GND as a common terminal.
  • Page 53 H.V. /DC POWER SUPPLY CBA Top View < TV Section > CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F951) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire, circuit are not defective before you connect the DC plug to the DC power supply.
  • Page 54 H.V. /DC POWER SUPPLY CBA Bottom View < TV Section > CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F951) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire, circuit are not defective before you connect the DC plug to the DC power supply.
  • Page 55 CRT CBA Bottom View < TV Section > CRT CBA Top View < TV Section > CRT CBA Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS CN501 WH501 WF13 WF15 WF14 Q503 Q501 Q501 Q502 Q503 Q502 Collector Collector Base Collector Base Base...
  • Page 56 Junction-A CBA DVD Junction CBA Junction-A CBA Bottom View < TV Section > Top View < TV Section > Top View < TV Section > BTD700F01023-B DVD Junction CBA Bottom View < TV Section > Junction-B CBA Junction-B CBA Bottom View < TV Section > Top View <...

  • Page 57: Waveforms

    WAVEFORMS TD300WF 1-11-1...

  • Page 58: Wiring Diagram

    WIRING DIAGRAM TD300WI 1-12-1...

  • Page 59: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Tray Close ~ Play / Play ~ Tray Open Tray Disc Disc Tray Play Close Rotation Stop Open 3.3V Tray IN (TL221) Sled Drive 1.65V (TP303) 1.65V Disc Drive (TP301) 1.65V Focus Drive (TP304) Tracking Drive 1.65V (TP302) 1-13-1...

  • Page 60: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC1201 (TV Micro Computer) Signal Name Function Signal Name Function 36 N.U. Not Used 37 V RAMP F/B V Ramp Feed Back 38 V RAMP OUT Vertical Output Input for Oscillator 39 V RAMP CAP V Ramp OSC Capacitor XOUT Output for Oscillator 40 N.U.
  • Page 61 Signal Name Function 70 REMOTE Input for Remote Control 71 N.U. Not Used 72 SPOT-KILL Spot Countermeasure 73 P-SAFETY 1 Power Supply Protection 74 P-SAFETY 2 Power Supply Protection DVD-H/ DVD at High/Power Supply P-SAFETY 3 Protection 76 EXT-L Switching External Input DVD-MAIN- Power On Signal to High for POWER...

  • Page 62: Lead Identifications

    LEAD IDENTIFICATIONS KTC3199(GR) 2SA950(Y,O) TT2138LS-YB11 2SC2785(J,H,F) 2SA1175(F) KRC103M 2SC2482 TPE6 KRA103M 2SC2120-(O,Y)(TPE2) 2SC1627Y-TPE2 E: Emitter C: Collector B: Base B C E E C B E C B 2SK2232 2SA1931 2SD400(F) NJM4558D KIA431-AT M62212FP S: Souce D: Drain G: Gate B C E E C B R A K...

  • Page 63: Exploded Views

    EXPLODED VIEWS Cabinet TB12 CL1731 DVD Main CBA Unit DVD Junction CBA CRT CBA W1601 DG601 V501 Junction A CBA SP1802 Scotch Tape #880 TB19 TB10 CLN802 H.V./DC Power Main CBA Supply CBA Junction B CBA A1-6 CLN801 A1-4 A1-5 A1-3 SP1801 See Electrical Parts List...
  • Page 64 Packing TAPE PACKING TAPE 1-16-2 TD300PEX...

  • Page 65: Mechanical Parts List

    Description Part No. FRONT CABINET ASSEMBLY TD300UA 1EM220091 A1-1 FRONT CABINET TD300UA 1EM220092 A1-2 CONTROL PLATE TD300UA 1EM320166 A1-3 BRAND PLATE T8012UN~EMERSON~ 1EM420685 A1-4 TRAY SPRING TD707UH 0EM408552 A1-5 CLOTH(B) L5201U0 15X10X1.0T 0EM400076 A1-6 CLOTH(4X7X0.3T) TD250UA 0EM407578 REAR CABINET TD300UA...

  • Page 66: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1261 ELECTROLYTIC CAP . 22µF/16V M CE1CMASDL220 Before replacing any of these components, read C1262 CERAMIC CAP .(AX) B K 0.01µF/50V CA1J103TU011 carefully the product safety notice in this service C1263...
  • Page 67 Ref. No. Description Part No. Ref. No. Description Part No. C1644 ELECTROLYTIC CAP . 220µF/6.3V M H7 CE0KMASSL221 D1307 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 C1647 ELECTROLYTIC CAP . 470µF/16V M CE1CMASDL471 D1309 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 C1650 ELECTROLYTIC CAP . 0.47µF/50V M CE1JMASDLR47 D1310 SWITCHING DIODE 1SS133(T-77)
  • Page 68 Ref. No. Description Part No. Ref. No. Description Part No. D1732 PCB JUMPER D0.6-P5.0 JW5.0T Q1613 TRANSISTOR 2SC2120-O-TPE2 QQS002SC2120 D1735 PCB JUMPER D0.6-P5.0 JW5.0T Q1614 TRANSISTOR 2SD400(F) QQUF002SD400 D1736 ZENER DIODE MTZJT-775.1B QDTB0MTZJ5R1 Q1616 RES. BUILT-IN TRANSISTOR KRA103M NQSZ0KRA103M D1739 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 Q1619#...
  • Page 69 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 2.2k Ω CARBON RES. 1/4W J 13k Ω R1304 RCX4JATZ0222 R1630# RCX4JATZ0133 CARBON RES. 1/4W J 10k Ω CARBON RES. 1/4W J 13k Ω R1305 RCX4JATZ0103 R1631# RCX4JATZ0133 CARBON RES.
  • Page 70 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 3.9k Ω R1699# RCX4JATZ0392 BC1731 PCB JUMPER D0.6-P5.0 JW5.0T CARBON RES. 1/4W J 75 Ω R1701 RCX4JATZ0750 BC1732 BEAD INDUCTORS FBR07HA121TB-00 LLBF00ZTU021 CARBON RES. 1/4W J 100k Ω R1703 RCX4JATZ0104 BC1733...
  • Page 71 Ref. No. Description Part No. Ref. No. Description Part No. C580# P .P .CAP 0.0068µF/1.6KV J CA3C682VC011 Q930# TRANSISTOR 2SC2785(F) QQSF02SC2785 C581# CERAMIC CAP . BN 820pF/2KV CCD3DKA0B821 Q931# TRANSISTOR KTC3199(GR) NQS10KTC3199 C584# ELECTROLYTIC CAP . 1µF/160V M CE2CMASDL1R0 Q932# TRANSISTOR 2SA1175(F) QQSF02SA1175 C591#...
  • Page 72 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 47 Ω R933 RCX4JATZ0470 WH553 LEAD WIRE 12P/ WX1TD800-001 CARBON RES. 1/4W J 47 Ω R934 RCX4JATZ0470 WH554A LEAD WIRE 17P/(6P+6P+5P) WX1TD001-001 CARBON RES. 1/4W J 390 Ω R935 RCX4JATZ0391 CRT CBA...
  • Page 73 DVD JUNCTION CBA Ref. No. Description Part No. DVD JUNCTION CBA 1ESA10528 Consists of the following: MISCELLANEOUS CL1603 FFC WIRE FFC 22P 80MM WX1TD300-001 CL2603 FFC WIRE FFC 22P 220MM WX1TD300-003 20050309 1-18-8 TD300EL...
  • Page 74 EWC09D5 B TD300UA 2005-03-30...

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