Emerson EWD7004 Service Manual

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SERVICE MANUAL
DVD PLAYER
EWD7004
DVL700E
DVL100E

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  Summary of Contents for Emerson EWD7004

  • Page 1 SERVICE MANUAL DVD PLAYER EWD7004 DVL700E DVL100E...
  • 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 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: Specifications

    SPECIFICATIONS ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load ± 0.1 2. Coaxial Digital Out 75 ohm load mVpp ± 50 3. Audio (PCM) 3-1. Output Level 1 kHz 0 dB Vrms 3-2. S/N 3-3. Freq. Response fs = 48 kHz 20~22 kHz ±...
  • Page 4: 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 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
  • Page 6: Safety Check After Servicing

    Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, Chassis or Secondary Conductor and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety Primary Circuit Terminals standards.
  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 8 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from all pin or the solder lands under the IC when removing pins of the flat pack-IC.
  • Page 9 2. Installation With Iron Wire: (1) Using desoldering braid, remove the solder from all (1) Using desoldering braid, remove the solder from pins of the flat pack-IC. When you use solder flux the foil of each pin of the flat pack-IC on the CBA so which is applied to all pins of the flat pack-IC, you you can install a replacement flat pack-IC more can remove it easily.
  • Page 10 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.
  • Page 11: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, (4): Identification of parts to be removed, unhooked, follow the steps in reverse order.
  • Page 12 (S-2) [1] Top Case (S-1) [4] Reinforce Plate Fig. D1 Fig. D3 [3] Tray Panel (L-4) (L-4) (S-3B) (S-3A) (L-1) CN201 CN601 CN301 (L-3) CN401 [5] DVD Main CBA Unit (L-1) (L-2) [2] Front Assembly Fig. D2 Short the three short lands by soldering. (Either of two places.) Connector View for A...
  • Page 13 [8] Function CBA [6] DVD Mecha (S-4) [7] AV CBA (S-4) (S-5) CN2001 (S-4) (S-6) (L-5) Fig. D5 Fig. D6 HOW TO MANUAL EJECT (Method 1) 1. Remove the Top Case. 2. Remove the Reinforce Plate. 3. Rotate the roulette in the direction of the arrow as shown below.
  • Page 14 HOW TO MANUAL EJECT (Method 2) 1. Turn the unit over. 2. Insert the shaft less than a diameter of 3 mm (e.g. screwdriver) straightly into the opening as shown. 3. Turn the shaft along with the opening clockwise. View for B 4.
  • Page 15: Block Diagrams

    BLOCK DIAGRAMS System Control / Servo Block Diagram 1-6-1 E5900BLS...
  • Page 16 Digital Signal Process Block Diagram ( EWD7004,DVL100E ) 1-6-2 E5900BLD...
  • Page 17 Digital Signal Process Block Diagram ( DVL700E ) 1-6-3 E5925BLD...
  • Page 18 Video / Audio Block Diagram E5900BLV 1-6-4...
  • Page 19 Power Supply Block Diagram 1-6-5 E5900BLP...
  • Page 20: 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 replace- ment components rated for higher voltage, wattage, etc.
  • Page 21 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 MÊME TYPE.
  • Page 22 DVD Main 1/3 Schematic Diagram DATA(VIDEO+AUDIO) DVD MAIN 1/3 Ref No. Position IC201 IC202 IC301 IC461 IC462 TRANSISTORS Q251 Q252 Q253 Q254 CONNECTORS CN201 CN301 CN401 1-7-3 1-7-4 E5900SCD1...
  • Page 23 DVD Main 2/3 Schematic Diagram DATA(VIDEO+AUDIO) DATA (AUDIO) VIDEO SIGNAL DVD MAIN 2/3 Ref No. Position IC101 1-7-5 1-7-6 E5900SCD2...
  • Page 24 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 25 DVD Main 3/3 Schematic Diagram ( EWD7004, DVL100E ) VIDEO SIGNAL DATA (AUDIO) AUDIO SIGNAL DVD MAIN 3/3 Ref No. Position IC103 IC501 IC502 IC601 CONNECTOR CN601 1-7-9 1-7-10 E5900SCD3...
  • Page 26 DVD Main 3/3 Schematic Diagram ( DVL700E ) AUDIO SIGNAL VIDEO SIGNAL DATA (AUDIO) DVD MAIN 3/3 Ref No. Position IC103 IC503 IC601 CONNECTOR CN601 1-7-11 1-7-12 E5925SCD3...
  • Page 27 AV 1/3 Schematic Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 28 AV 2/3 Schematic Diagram VIDEO SIGNAL DATA (AUDIO) AUDIO SIGNAL AV 2/3 Ref No. Position IC1201 IC1402 TRANSISTORS Q1201 Q1202 Q1204 Q1351 Q1352 CONNECTOR CN1601 1-7-15 1-7-16 E5900SCAV2...
  • Page 29 AV 3/3 & Function Schematic Diagram FL2001 MATRIX CHART SACD PSCAN SACD REPEAT PSCAN REPEAT TITLE GROUP HD VCD GROUP TITLE AV 3/3 Ref No. Position IC2001 TRANSISTORS Q2021 Q2022 CONNECTORS CN2001 1-7-17 1-7-18 E5900SCAV3...
  • Page 30 AV CBA Top View CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
  • Page 31 AV CBA Bottom View CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
  • Page 32 FUNCTION CBA Top View FUNCTION CBA Bottom View 1-7-23 1-7-24 BE5900F01012B...
  • Page 33: Waveforms

    WAVEFORMS Pin 8 of CN1601 Pin 16 of CN1601 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µsec AUDIO-R AUDIO-R 0.5msec 0.5msec Pin 10 of CN1601 Pin 19 of CN1601 VIDEO-C VIDEO-C 0.2V 0.2V 20µsec SPDIF SPDIF 0.1µsec C1402 PLUS LEAD NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE VIDEO-CVBS...
  • Page 34: Wiring Diagram

    WIRING DIAGRAM E5900WI 1-9-1...
  • Page 35: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE [ EWD7004/DVL100E ] 1. Turn the power on and remove the disc on the tray. 5. After programming is finished, the tray opens auto- 2. To put the DVD player into version up mode, press matically. Fig. e appears on the screen and the [9], [8], [7], [6], and [SEARCH MODE] buttons on checksum in (*3) of Fig.
  • Page 36 [ DVL700E ] 1. Turn the power on and remove the disc on the tray. 5. After programming is finished, the tray opens auto- 2. To put the DVD player into version up mode, press matically. Fig. e appears on the screen and the [9], [8], [7], [6], and [SEARCH MODE] buttons on checksum in (*3) of Fig.
  • Page 37: 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) 1-11-1...
  • Page 38: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS Comparison Chart of Models and Marks Signal Mark Name Function Name Model Mark EWD7004 DVL100E Grid Output DVL700E IC2001 [ PT6313-S-TP ] Power Supply Signal Mark Name Function Name Oscillator Input FP-CLK Clock Input FP-DOUT Serial Data Output...
  • Page 39: Lead Identifications

    LEAD IDENTIFICATIONS 2SC2785(H) 2SA1015-Y(TPE2) 2SK3498 BA1L3M-T 2SC1815-Y(TPE2) BN1L3Z(P) 2SC2120-Y(TPE2) KRA110M KTA1266(Y) KRC101M KTC3203(Y) KTA1267(Y) KTC3199(GR,Y) G D S E C B E C B FAN431AZXA KIA4558P NJM4558D PT6313-S-TP KIA431-AT SC16313 K A R MM1637XVBE PQ070XZ5MZP LTV-817B-F LTV-817C-F PS2561A-1(Q,W) 1: Vin 2: Vc Note: 3: Vo...
  • Page 40: Exploded Views

    DVD MAIN CBA UNIT Some Ref. Numbers are not in sequence. 2L105 JK1404 2L021 JK1401 JK1202 2L031 F1001 AC1001 AV CBA [ EWD7004 ] FUNCTION CBA 2L041 2L041 [ EWD7004 ] [ DVL100E/ DVL700E ] 1-14-1 E5900EX...
  • Page 41 Packing Unit 1-14-2 E5900EX...
  • Page 42: Mechanical Parts List

    X10# OWNER'S MANUAL E5922UD 0VMN04010 not available. X10# OWNER'S MANUAL E5925UD 0VMN04011 Comparison Chart of Models and Marks Model Mark EWD7004 DVL100E DVL700E Ref. No. Mark Description Part No. FRONT ASSEMBLY E5900UD 0VM204499 FRONT ASSEMBLY E5922UD 0VM204491 FRONT ASSEMBLY E5925UD...
  • Page 43: Electrical Parts List

    ELECTROLYTIC CAP . 100µF/6.3V M CE0KMASDL101 C1035 ELECTROLYTIC CAP . 1000µF/16V M or CE1CMASDL102 Model Mark ELECTROLYTIC CAP . 1000µF/16V M CE1CMASTL102 EWD7004 C1036 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 DVL100E DVL700E C1037 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V CHD1JZ30F104 C1038 ELECTROLYTIC CAP .
  • Page 44 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C1421 CHIP CERAMIC CAP .(1608) B K 0.01µF/ CHD1JK30B103 D1011 FAST RECOVERY DIODE ERA18-04 QDPZ0ERA1804 D1012 SWITCHING DIODE 1N4148M or NDTZ01N4148M C1422 CHIP CERAMIC CAP .(1608) B K 0.1µF/25V CHD1EK30B104 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 C1441...
  • Page 45 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. IC1002 VOLTAGE REGULATOR PQ070XZ5MZP QSZBA0TSH034 Q1016 TRANSISTOR KTC3199(GR) or NQS10KTC3199 IC1006 IC:SHUNT REGULATOR KIA431-AT or NSZLA0TJY001 TRANSISTOR 2SC2785(H) QQSH02SC2785 VOLTAGE REGULATOR FAN431AZXA NSZBA0TF3102 Q1031# FET 2SK3498(T6L1FUNANQ) QF1Z02SK3498 IC1201 IC:OP AMP KIA4558P or NSZBA0SJY004 Q1201...
  • Page 46 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/6W J 560 Ω or CHIP RES. 1/10W F 160 Ω R1069 RCX6JATZ0561 R1421 RRXGFR5Z0161 CARBON RES. 1/4W J 560 Ω CHIP RES.(1608) 1/10W J 75 Ω RCX4JATZ0561 R1422 RRXAJR5Z0750...
  • Page 47 Ref. No. Mark Description Part No. W1006 WIRE WX1E5940-002 FUNCTION CBA Ref. No. Description Part No. FUNCTION CBA ------------ Consists of the followings CONNECTOR CN2101 6P FFC AV PCB TO SW PCB WX1E5900-003 RESISTORS CHIP RES.(1608) 1/10W 0 Ω R2101 RRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω...
  • Page 48 EWD7004/DVL100E/DVL700E E5900UD/E5922UD/E5925UD 2004-03-01...

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