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Hitachi DV-P415U Service Manual

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SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
March
2001
DVD PLAYER
Digital Media Products Division, Tokai
TK
No.9103E
DV-P415U
CONTENTS
3. Operating Instructions
5. Troubleshooting

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Summary of Contents for Hitachi DV-P415U

  • Page 1: Table Of Contents

    No.9103E DV-P415U SERVICE MANUAL CONTENTS 1. Precautions 2. Product Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Troubleshooting 6. Exploded Views 7. Replacement Parts List 8. Block Diagrams 9. PCB Diagrams 10. Wiring Diagram 11. Schematic Diagram SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2: Precautions

    1. Precautions 1-1 Safety Precautions 1) Before returning an instrument to the customer, Any measurements not within the limits specified always make a safety check of the entire herein indicate a potential shock hazard that must instrument, including, but not limited to, the be eliminated before returning the instrument to the customer.
  • Page 3 Precautions 2) Read and comply with all caution and safety re- 5) Components, parts, and/or wiring that appear to lated notes non or inside the cabinet, or on the have overheated or that are otherwise damaged chassis. should be replaced with components, parts and/ or wiring that meet original specifications.
  • Page 4 Precautions 1-2 Servicing Precautions (4) An insulation tube or tape is sometimes used and CAUTION : Before servicing Instruments covered some components are raised above the printed by this service manual and its supplements, read and wiring board for safety. The internal wiring is follow the Safety Precautions section of this manual.
  • Page 5 Precautions 1-3 ESD Precautions Electrostatically Sensitive Devices (ESD) (7) Immediately before removing the protective ma- terials from the leads of a replacement ESD device, touch the protective material to the chassis Some semiconductor (solid state) devices can be or circuit assembly into which the device will be damaged easily by static electricity.
  • Page 6 Precautions 1-4 Handling the optical pick-up The laser diode in the optical pick up may suffer WRIST-STRAP FOR GROUNDING electrostatic breakdown because of potential static electricity from clothing and your body. The following method is recommended. THE UNIT (1) Place a conductive sheet on the work bench (The CONDUCTIVE SHEET black sheet used for wrapping repair parts.) (2) Place the set on the conductive sheet so that the...
  • Page 7 Precautions 1-5 Pick-up disassembly and reassembly 1-5-1 Disassembly 1-5-2 Assembly 1) Remove the power code. 1) Replace the Pick-up. 2) Disassemble the Deck-Assy. 2) Remove the soldering 4 points on Pick-up. 3) Solder land 4 points short on Pick-up.(See Fig. 1-4) 3) Reassemble the Deck-Assy.
  • Page 8: Product Specifications

    2. Product Specifications Power Requirements AC 120V, 60Hz Power Consumption Weight 2.7kg GENERAL Dimensions W 430mm X D 240mm X H 79mm Operating Temperature Range +5°C ~ +35°C Operating Humidity Range 10% to 75% Reading Speed : 3.49 m/s (Digital Versatile Disc) Approx.
  • Page 9 escription-Front Panel ront Panel Display POWER/STA NDBY Front Panel Display Front Panel Controls Œ POWER/STANDBY You can now select different viewing points of the scene recorded by different When the unit is first plugged in, the indicator lights. When POWER/STANDBY •...
  • Page 10 our of the Remote Control our of the Remote Control DVD Function Buttons Œ POWER/STANDBY Button • Turns the player on and off. ´ A-B REPEAT Button • Marks a segment to repeat between A and B. ˇ REPEAT Button •...
  • Page 11 escription-Rear Panel DIGITAL AUDIO OUT MIXED AUDIO OUT VIDEO OUT S-VIDEO OUT COMPONENT VIDEO OUT S-VIDEO OPTICAL COAXIAL VIDEO OUT SELECT Y ,Pb,Pr Rear Panel Œ ¨ DIGITAL AUDIO OUT JACK S-VIDEO OUT JACK • Use either an optical or coaxial digital •...
  • Page 12: Disassembly And Reassembly

    4. Disassembly and Reassembly 4-1 Cabinet and PCB Note : Reassembly in reverse order. 4-1-1 Top Cabinet Removal 1) Remove 3 Screws Πon the back Top Cabinet. 2) Lift up the Top Cabinet in direction of arrow. Π3 SCREWS Fig.
  • Page 13 Disassembly and Reaasembly 4-1-2 Door-Tray Removal 1) Supply power and open Tray Œ. 2) Disassemble the Door-Tray ´ in direction of arrow "A". 3) Close Tray Œ and power off. Note : If Tray Œ doesn't open, insert a Screw driver ¨ into the Emergency hole ˇ (as shown in detailed drawing) and then push it in the direction of arrow "B".
  • Page 14 Disassembly and Reaasembly 4-1-3 Ass'y Front-Cabinet Removal 1) Remove Ass'y Front-Cabinet Œ. Œ ASS'Y FRONT-CABINET Fig. 4-3 Ass'y Front-Cabinet Removal...
  • Page 15 Disassembly and Reaasembly 4-1-4 Ass'y Deck Removal 1) Disconnect Flat-Cable,Connect-Wire from DCN1, DCN2 on Main PCB. 2) Remove 3 Screws Œ from the Ass'y Deck and lift it up. Œ 3 SCREWS DECK-ASS'Y FLAT-CABLE CONNECT-WIRE MAIN PCB DCN1 DCN2 Fig. 4-4 Ass'y Deck Removal...
  • Page 16 Disassembly and Reaasembly 4-1-5 Main PCB, Jack PCB Removal 1) Remove 2 Screws Œ and lift up the Jack PCB ´. 2) Remove 3 Screws ˇ and lift up the Main PCB ¨. Œ 2 SCREWS ´ JACK PCB ˇ 3 SCREWS ¨...
  • Page 17 Disassembly and Reaasembly 4-2 PCB Location Fig. 4-6 PCB Location...
  • Page 18 Disassembly and Reaasembly 4-3 Connector Diagram DECK-ASS'Y DECK PCB Œ ˇ JACK PCB Ø ” ˆ ∏ ˝ ´ MAIN PCB ¨ ’ CONNECTOR NO. DIRECTION CONNECTOR NO. Œ ´ FLAT-CABLE DECK PCB MAIN PCB DCN1 ˇ ¨ CONNECT-WIRE (HCN1) HOUSING PCB MAIN PCB DCN2...
  • Page 19 Disassembly and Reaasembly 4-4 Deck 4-4-1 Tray Disc Removal 1) Insert a Screw Driver Œ into Emergency Hole ´ and push the Slider Housing ˇ in the direction arrow "A". 2) When the Tray Disc ¨ comes out a little, pull it in the direction arrow "B" by hand. 3) Pull the Tray Disc ¨...
  • Page 20 Disassembly and Reaasembly 4-4-2 Ass'y P/U Deck Removal 1) Disconnect DCN2 Œ, DCN3 ´. 2) Lift down the Assy P/U Deck ˇ while simultaneously pushing 2 Hooks ¨, ˆ in the direction of arrow "A", "B". ¨ HOOK "A" ˆ HOOK "B"...
  • Page 21 Disassembly and Reaasembly 4-4-3 Housing Ass'y Removal 1) Remove Belt Œ. 2) Push the Hook ´ in the direction arrow "A" and lift up Pulley Gear ˇ. 3) Push the Slider Housing ˆ in the direction arrow "B" and lift up the Gear Tray ¨. 4) Lift up the Slider Housing ˆ.
  • Page 22 Disassembly and Reaasembly 4-4-4 Sub Chassis Removal 1) Remove the Soldering of Motor Feed (+, - wire) Œ. 2) Remove the 4 Screws ´. 3) Lift up the Ass'y Brkt Deck ˇ. ´ 4 SCREWS ˇ ASSY-BRAK DECK Œ SOLDERING OF MOTOR FEED (+, - WIRE) Fig.
  • Page 23 Disassembly and Reaasembly 4-4-5 Ass'y Brkt Deck Removal 1) Remove Washer Œ. 2) Remove Gear Feed B ´ , Gear Feed A ˇ. 3) Remove 2 Screws ¨. 4) Remove Shaft Pick-Up ˆ and Pick-Up Assy Ø. 5) Remove 1 Screw ∏. 6) Remove 2 Screws ”.
  • Page 24 No Disc recognition No focus incoming LD is outputted FE in SIC1-25 from object lens at Check RIC1 and A, B, C, D input. is within specified range? play key input? No focus incoming and no disc occurs. SIC3-26, 27 output Check SIC3.
  • Page 25 No pick-up home positing NO LD CD ON RIC1-21 is 5V? Check MIC1 SLD, SIC1-34 Check MIC1 output is normal? Divide RQ1 emitter terminal voltage and 5V real voltage LED+, SLED- difference into 10ohm. Check SIC3 SIC3-32, 33 output are normal? Current exceeds 0.1A? Open check in related circuit.
  • Page 26 No Search Operation FINE SEEK Check FINE SEEK MIRR MIRR, SIC1-157 RFAGCO, RIC1-72 Check RIC1 Peripheral curcuit. signal (RIC1-46) is missing? output is normal? output level is normal? Check pick-up. TZCO signal Check SIC1 Peripheral curcuit. Check RIC1 peripheral circuit. (SIC1-24) is occurs? Track incomming is Time out due to many jump counts.
  • Page 27 Abnormal rotation of No Tray open/close disc motor Input of RF signal RIC1-71 output MIC1-6, 8 is is normal? (SIC1-15) is normal? Open ; "L", "L" ? Micom (MIC1) error. Close ; "H", "H"? Check RIC1 peripheral circuit and A, B, C, D. RIC1-70 output SPD output is normal? are normal?
  • Page 28 CD/VCD/DVD L/R output error Digital output error (Mixed Audio output) Normal DATA 0 is Output in ZIC1-127 is normal? Check ZIC1-121 output. Check ZIC1 peripheral circuit. input in AIC1-3? Check ZIC1-125 Analog output of Output in (CD/VCD ; 16.9344MHz, Check AIC3. AIC1-9, 10, 11, 12 is AIC3-6, 8, 10 is DVD ;...
  • Page 29 No Power CVBS output error (Standby LED OFF) Pin of VDD_2.5 & Check the connection between VDD-3.3 in Zic1 has pin 1 in PCNS1 and pin 3 in ZIC5. normal level? PFD01 error? Replace fuse. 27MHz clock Check the connection between input is normal at pin 6 in ZIC4 and pin 129 in ZIC1.
  • Page 30 Y/Pr/Pb output error S-Video output error VSW1 video select VSW1 video select Move the select switch to down position. Move the select switch to up position. switch is down position? switch is up position? VR121 of VSW1 VR121 of VSW1 Check the soldering of VSW1.
  • Page 31 6. Exploded View Page 6-1 Cabinet Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2 Deck Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 32 MAIN P.C.B CN1B JACK P.C.B...
  • Page 33: Exploded Views

    Exploded Views 6-2 Deck Assembly H105 DCN1A H104 H211 H207 H200 H210...
  • Page 34: Replacement Parts List

    7. Replacement Parts List 7-1. MECHINICAL PARTS LIST 7-2.ELECTRICAL PARTS LIST SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION PCD02 TA14331 CERAMIC DISC 3.3nF 400V MECHINISM SECTION PCD03 TA14311 CERAMIC DISC 3.3nF PCR01 TA14301 CERAMIC DISC 10nF 400V TS16461 MECHA ASSY(DVD) PCS03 TA14341 CERAMIC DISC 100pF 400V TE13371 CORD,POWER...
  • Page 35 Replacement Parts List SYMBOL SYMBOL P-NO P-NO DESCRIPTION DESCRIPTION SVJ1 TE13951 JACK CN1B TE14001 CONNECTOR TE13381 CONNECTOR(35P) PCNS2 TE14291 CONNECTOR PFD01 TE13401 FUSE PICS6 TE13911 ICP-N25 PICS7 TE13911 ICP-N25 PLS01 TA14201 FILTER,LINE VFD1 TE13921 DISPLAY TE13981 SWITCH TE14521 SWITCH HSW1 TE14021 SWITCH VSW1 TE13971 SWITCH,SLID...
  • Page 36: Block Diagrams

    8. Block Diagram DECK ASS'Y (DP-7) Remote Control FLT Display MIC4 2K EEPROM MIC1 FIC1 MIC2 8M EPROM (TMP91C219F) (uPD780232) Main Controller Front Controller MIC3 1M SDRAM Spindle/Sled/Tray Motor Pick-up & I/V Amp ZIC2 SDRAM Optical ZIC1 (ZiVA-4.1) IEC958/1937 Coaxial RIC1 A/V Decoder (S5L1462A)
  • Page 37: Pcb Diagrams

    9. PCB Diagrams 9-1 Main - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-2 Jack - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-3 Deck - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-4 Housing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 38 PCB Diagrams 9-1 Main...
  • Page 39 PCB Diagrams 9-2 Jack...
  • Page 40 PCB Diagrams 9-3 Deck 9-4 Housing...
  • Page 41: Wiring Diagram

    10. Wiring Diagram 10-1...
  • Page 42: Schematic Diagram

    11. Schematic Diagrams Block Identification of PCB 11-1 Power - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-2 11-2 AV-Decoder/Main-Micom/Key - - - - - - - - - - - - - - - - - - - - - - 11-3...
  • Page 43: Power

    Schematic Diagrams 11-1 Power PICS6 PICS7 ICP-N25 ICP-N25 11-2...
  • Page 44: Av-Decoder/Main-Micom/Key

    Schematic Diagrams 11-2 AV-Decoder/Main-Micom/Key T15M256A M27C801 11-3...
  • Page 45: Servo

    Schematic Diagrams 11-3 Servo S5L1462A S5L1454A 11-4...
  • Page 46: Video

    Schematic Diagrams 11-4 Video 11-5...
  • Page 47: Audio

    Schematic Diagrams 11-5 Audio 11-6...
  • Page 48: Front-Micom/Vfd Display

    Schematic Diagrams 11-6 Front-Micom/VFD Display 11-7...
  • Page 49: Deck

    Schematic Diagrams 11-7 Deck 11-8...
  • Page 50 DV-P415U No.9103E Digital Media Products Division, Tokai Copyright © Hitachi, Ltd. 2001. All rights reserved. Printed in Japan (II)

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