Magnavox MSD124 Service Manual
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Magnavox MSD124 Service Manual

Magnavox MSD124 Service Manual

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SERVICE MANUAL
DVD PLAYER
MSD124

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  • Page 1 SERVICE MANUAL DVD PLAYER MSD124...

  • 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=48kHz ±...

  • 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 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) (S-1) [1] Top Case (S-2) [3] Reinforce Plate Fig. D1 Fig. D3 (S-3B) (S-3A) (L-1) CN201 CN601 CN301 (L-1) CN401 [4] DVD Main CBA Unit (L-2) [2] Front Assembly Fig. D2 Short the three short lands by soldering. (Either of two places.) Connector View for A Fig.
  • Page 13 [6] AV CBA (S-4) [5] DVD Mecha (S-4) (S-5) (S-4) (L-3) (S-6) (L-3) Fig. D5 Fig. D6 HOW TO EJECT MANUALLY (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 EJECT MANUALLY (Method 2) 1. Turn the unit over. 2. Insert the shaft less than a diameter of 3 mm (e.g. screw- driver) 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 E595BBLS...
  • Page 16 Digital Signal Process Block Diagram 1-6-2 E595BBLD...
  • Page 17 Video / Audio Block Diagram E595BBLV 1-6-3...
  • Page 18 Power Supply Block Diagram 1-6-4 E595BBLP...

  • Page 19: 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 20 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 21 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 E595BSCD1...
  • Page 22 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 E595BSCD2...
  • Page 23 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 24 DVD Main 3/3 Schematic Diagram VIDEO SIGNAL DATA (AUDIO) AUDIO SIGNAL DVD MAIN 3/3 Ref No. Position IC103 IC503 IC601 CONNECTOR CN601 1-7-9 1-7-10 E595BSCD3...
  • Page 25 AV 1/2 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 26 AV 2/2 Schematic Diagram VIDEO SIGNAL DATA (AUDIO) AUDIO SIGNAL AV 2/2 Ref No. Position IC1201 IC1402 TRANSISTORS Q1201 Q1202 Q1204 Q1351 Q1352 CONNECTOR CN1601 1-7-13 1-7-14 E595BSCAV2...
  • Page 27 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 28 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 29: Waveforms

    WAVEFORMS Pin 7 of CN1601 Pin 15 of CN1601 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs AUDIO-R AUDIO-R 0.5ms 0.5ms Pin 9 of CN1601 Pin 18 of CN1601 VIDEO-C VIDEO-C 0.2V 0.2V 20µs SPDIF SPDIF 0.1µs C1402 PLUS LEAD NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE VIDEO-CVBS...

  • Page 30: Wiring Diagram

    WIRING DIAGRAM E595BWI 1-9-1...

  • Page 31: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 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 32: 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 33: Lead Identifications

    LEAD IDENTIFICATIONS 2SC2785(H) 2SA1015-Y(TPE2) 2SK3498 KTA1267(Y) 2SC1815-Y(TPE2) KTC3199(GR) 2SC2120-Y(TPE2) KTA1266(Y) KTC3203(Y) G D S E C B E C B NJM4558D FAN431AZXA KIA4558P KIA431-AT MM1637XVBE K A R LTV-817B-F PQ070XZ5MZP LTV-817C-F PS2561A-1(Q,W) 1: Vin 2: Vc Note: 3: Vo A: Anode 4: Vadj K: Cathode 5: GND...

  • Page 34: Exploded Views

    EXPLODED VIEWS Cabinet 2L011 2L011 2L081 2L081 AC1001 2L021 DVD MAIN CBA UNIT 2L021 2L021 F1001 2L105 2L031 JK1404 JK1401 JK1202 2L031 AV CBA See Electrical Parts List for parts with this mark. 2L041 Some Ref. Numbers are 2L041 not in sequence. 1-13-1 E595BEX...
  • Page 35 Packing Unit 1-13-2 E595BEX...

  • Page 36: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper ser- vicing.

  • Page 37: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # Ref. No. Description Part No. have special characteristics important to safety. Before C1050 ELECTROLYTIC CAP . 220µF/6.3V M CE0KMASDL221 replacing any of these components, read carefully the C1201 ELECTROLYTIC CAP . 10µF/16V M CE1CMASDL100 product safety notice in this service manual.
  • Page 38 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W 0 Ω D1008 SCHOTTKY BARRIER DIODE SB140 or NDQZ000SB140 L1401 RRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω SCHOTTKY BARRIER DIODE SB140 or NDWZ000SB140 L1421 RRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω SCHOTTKY BARRIER DIODE ERA81-004 QDPZERA81004 L1441...
  • Page 39 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 470k Ω CHIP RES. 1/10W F 160 Ω RCX4JATZ0474 R1421 RRXGFR5Z0161 CARBON RES. 1/6W J 3.3k Ω or CHIP RES.(1608) 1/10W J 75 Ω R1032 RCX6JATZ0332 R1422 RRXAJR5Z0750 CARBON RES.
  • Page 40 MSD124 E595BUH 2004-06-14...

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