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Yamaha DVD-S550 Service Manual

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3 7 63 1515 0
DVD-S550 / DV-S5750
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L 13942296513
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CONTENTS
TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . 2-3
FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
REMOTE CONTROL PANEL . . . . . . . . . . . . . . . . . . . 6
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SERVICE HINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DISASSEMBLY PROCEDURES . . . . . . . . . . . . . . . 8-9
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This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING:
Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHA
Retailer or the appointed service representative.
IMPORTANT:
The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service
departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable and
specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the
distributor's Service Division.
WARNING:
Static discharges can destroy expensive components. Discharge any static electricity your body may have accumu-
lated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT:
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
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DVD PLAYER

SERVICE MANUAL
SERVICE MANUAL

IMPORTANT NOTICE

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MAINTENANCE FLOW CHART . . . . . . . . . . . . . 10-14
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 17-21
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 22-27
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MECHANICAL PARTS LIST . . . . . . . . . . . . . . . . . . . 29
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  Summary of Contents for Yamaha DVD-S550

  • Page 1: Table Of Contents

    This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated.
  • Page 2: To Service Personnel

    DVD-S550/DV-S5750 3 7 63 1515 0 TO SERVICE PERSONNEL AC LEAKAGE TESTER OR WALL EQUIPMENT 1. Critical Components Information EQUIVALENT OUTLET UNDER TEST Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed.
  • Page 3 DVD-S550/DV-S5750 3 7 63 1515 0 Laser Diode Properties Type: Semiconductor laser GaAlAs Wave length: 650 nm (DVD) 780 nm (VCD/CD) Output Power: 7 mW (DVD) 10 mW (VCD/CD) Beam divergence: 60 degree VARO! : AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASER- SÄTEILYLLE.
  • Page 4: Prevention Of Electro Static Discharge

    DVD-S550/DV-S5750 3 7 63 1515 0 I PREVENTION OF ELECTRO STATIC DISCHARGE The laser diode in the DVD mechanism may be damaged due to static electricity from clothes or the human body. Use caution to prevent electro static damage when servicing or handling the DVD-mechanism.
  • Page 5: Front Panels

    DVD-S550/DV-S5750 3 7 63 1515 0 FRONT PANELS M DVD-S550 (U, R, K, A, B, G, E, P models) M DV-S5750 (U, A models) REAR PANELS M DVD-S550 (U model) L 13942296513 M DVD-S550 (R model) M DVD-S550 (K model)
  • Page 6: Remote Control Panel

    DVD-S550/DV-S5750 3 7 63 1515 0 M DVD-S550 (P model) M DV-S5750 (U model) M DV-S5750 (A model) REMOTE CONTROL PANEL L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7: Specifications

    DVD-S550/DV-S5750 3 7 63 1515 0 SPECIFICATIONS PLAYBACK SYSTEM GENERAL DVD Video Dimensions (W x H x D) 435 x 51 x 310 mm Video CD & SVCD (17-1/8" x 2" x 12-3/16") Weight Approx. 2.6 Kg (5 lbs. 12 oz)
  • Page 8: Service Hints

    DVD-S550/DV-S5750 3 7 63 1515 0 SERVICE HINTS G Repair Tips 1) DVD Module The DVD Mechanism and Mono Board together as a set are called the DVD Module. If a failure has occurred with any part of the DVD Module, be sure to replace the DVD Module as a whole.
  • Page 9 DVD-S550/DV-S5750 3 7 63 1515 0 See EXPLODED VIEW for item numbers. Top Cover [240] ➔ Remove 5 screws [250]. Mounting (2 on side and 3 on rear side) ➔ Lift cover from rearside to Dismounting remove. Front Panel [101] DVD Mechanism ➔...
  • Page 10: Maintenance Flow Chart

    DVD-S550/DV-S5750 3 7 63 1515 0 I MAINTENANCE FLOW CHART Start Power on Are voltages 1. Check Cable 2. Replace power supply unit if AV Board is not shorted, at all pins of connector (Ref 1303) otherwise find out first where the short is.
  • Page 11 DVD-S550/DV-S5750 3 7 63 1515 0 Check 74HCU04 (Ref 7103) and Is logo displayed Main Clock peripheral circuit. on TV screen? normal ? Check NCP303 (Ref 7102) and reset signal peripheral circuit. normal ? Is signal on FLASH (Ref 7303)
  • Page 12 DVD-S550/DV-S5750 3 7 63 1515 0 Is signal Does sled automatically move to inside STBY (Pin 1 of MM1646) Check the STBY circuit when it is outside ? high level ? Is signal FMO Check the FMO circuit (Pin 5 of MM1646) more than 1.4V ?
  • Page 13 DVD-S550/DV-S5750 3 7 63 1515 0 Is any signal Check circuit between Optical on pins A B C D E F of Is Focus on OK ? Pick Up and MT1389 MT1389 turned ON ? Check MT1389 and its peripheral circuit.
  • Page 14 DVD-S550/DV-S5750 3 7 63 1515 0 Check connection between Does AKM4382A Is audio signal normal ? MT1389 and AKM4382A receive correct data ? Check AKM4382A and its Is output signal periperal circuit correct ? Check circuit of filter, amplifier, and mute etc.
  • Page 15: Block Diagram

    DVD-S550/DV-S5750 3 7 6 3 1 5 1 5 0 I BLOCK DIAGRAM AUDIO OUT VIDEO OUT DIGITAL OUT AV (SCART) (B, G, E models only) L / R S VIDEO VIDEO OPTICAL COAXIAL 1109, 1113 1110 1300 1103...
  • Page 16: Wiring Diagram

    DVD-S550/DV-S5750 3 7 6 3 1 5 1 5 0 I WIRING DIAGRAM 1100 (2) 1300 FRONT (2) STANDBY BOARD DVD MECHANISM (ASA) VSTB 1100 (1) VSDA VSCK FRONT (1) 46kHz DISPLAY BOARD io Power ON LED5 +3V3 +3V3...
  • Page 17: Printed Circuit Board

    DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I PRINTED CIRCUIT BOARD 2xxx : Capacitor...
  • Page 18 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I PRINTED CIRCUIT BOARD 2xxx : Capacitor...
  • Page 19 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I PRINTED CIRCUIT BOARD 2xxx : Capacitor...
  • Page 20 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I PRINTED CIRCUIT BOARD 2xxx : Capacitor...
  • Page 21 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I PRINTED CIRCUIT BOARD 2xxx : Capacitor...
  • Page 22: Schematic Diagram

    DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 23 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 24 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 25 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 26 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 27 DVD-S550/DV-S5750 The first digit of a component indicates the component type. 3 7 6 3 1 5 1 5 0 1xxx : Connector 3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET I SCHEMATIC DIAGRAM 2xxx : Capacitor...
  • Page 28: Exploded View

    DVD-S550/DV-S5750 3 7 6 3 1 5 1 5 0 I EXPLODED VIEW When disassembling, use the special screw driver with such tip shape as shown in figure. 1904 2.7 mm 1903 1905 3 x 6 S-Tight with the brim...
  • Page 29: Mechanical Parts List

    DVD-S550/DV-S5750 3 7 63 1515 0 WARNING I MECHANICAL PARTS Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. Ref. PART NO. Description Remarks Markets AAX59610 FRONT PANEL ASS'Y...
  • Page 30 3 7 63 1515 0 DVD-S550/DV-S5750 L 13942296513 u163 http://www.xiaoyu163.com...

This manual is also suitable for:

Dv-s5750