Hitachi DV-W1U Service Manual
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Hitachi DV-W1U Service Manual

Hitachi DV-W1U Service Manual

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TK
No.9006E
DV-W1U
SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
DVD PLAYER . CD RECORDER
Digital Media Products Division, Tokai
May
2000
Get other manuals https://www.bkmanuals.com

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  • Page 1 No.9006E DV-W1U SERVICE MANUAL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT DVD PLAYER . CD RECORDER Digital Media Products Division, Tokai 2000 Get other manuals https://www.bkmanuals.com...
  • Page 2 Leakage Current Hot Check are issued from time to time. For the latest information, always consult the current HITACHI Service Manual. A Plug the AC line cord directly into a AC120V, 60Hz subscription to, or additional copies for, HITACHI Service...
  • Page 3 Notes When Using Service Manual The following shows the contents to be noted when using service manual: 1. Value units used in parts list 3. Identifications of sides A/B in circuit board diagrams Certain symbols are indicated below for value units of resistors, capacitors and coils in parts list.

  • Page 4: Table Of Contents

    CONTENTS CHAPTER 1 GENERAL INFORMATION CHAPTER 3 EXPLODED VIEW 1. Specifications ............. 1-1 1. CABINET SECTION ........... 3-1 2. Comparison with Previous Model ....... 1-2 3. Troubleshooting ............1-4 CHAPTER 4 REPLACEMENT PARTS LIST 3-1. VIDEO CIRCUIT ............ 1-4 3-2. AUDIO CIRCUIT ............ 1-5 1.

  • Page 5: Specifications

    GENERAL INFORMATION CHAPTER 1 1. Specifications Operating Laser ....... Semi-conductor laser: Wave length 650nm (DVD) General ....................780nm (CD,VCD) Power supply ................... AC120V, 60Hz Power consumption ..................27W Stand-by power consumption ................. 3.5W Weight ......................4.8kg Overall size ..............435(W)×330(D)×81(H)mm Allowable operating temperature ............

  • Page 6: Comparison With Previous Model

    2. Comparison with Previous Model DV-W1U DV-P250U Dimension 435mm(W) × 330mm(D) × 81mm(H) 434mm(W) × 315mm(H) × 98mm(D) Weight 4.8kg 3.9kg Region Code OSD languages 3 (English,French,Spanish) 3 (English,French,Spanish) Playing Default English English Power Requirement (Common Power Supply) 120V 60Hz...
  • Page 7 Virtual Surround (Wide)2ch Source Analog Analog Surround Select by Remote Controller on/off Dynamic Range Compression(only AC-3) MP3 Read — — Audio Input Connector — Digital Audio Input-Optical — Digital Audio Input-Coaxial — Playback Features Jog/Shuttle on Front Panel — New Disc Navigation 1 moving video without audio Multi Speed Scan (Forward) Forward 1/2,1/8, 1×...

  • Page 8: Troubleshooting

    3. Troubleshooting 3-1. VIDEO CIRCUIT NO IMAGE ARE SIGNALS CHECK SIGNAL OUTPUT FROM VIDEO CABLE/ MONITOR OUTPUT TERMINAL? ARE SIGNALS CHECK VIDEO OUTPUT OUTPUT FROM PG2201 SECTOR (PG1302/ J1307/ J1302/ pins 17, 15, 13, 11, 9, 7, J1306/ J1361) OF JAK PWB ARE SIGNALS OUTPUT FROM CHECK IC3301/ IC3302 of...

  • Page 9: Audio Circuit

    3-2. AUDIO CIRCUIT NO SOUND IS THERE BREAKDOWN BEFORE IC1201 AN IMAGE? ARE IC1501 ARE IC1505 pins 8, 9, 15, 20 CHECK IC1505 OR +8V LINE ETC. pin 3 +5V & pin 1 +8V BREAKDOWN OF IC1506 ARE THERE SIGNALS AT IC1501 pins 1, 2, 3, 5 AND BREAKDOWN OF IC1201 IC1507 pins 40, 41, 45,...

  • Page 10: Recorder Audio Circuit

    3-3. RECORDER AUDIO CIRCUIT NO SOUND ARE THERE SIGNALS BREAKDOWN CRD-RA1 AT PG1304 pins 1, 3? ARE IC1512 pins 6, 12 CHECK Q3510, Q3511 AND Q3512 AND IC1513 pins 6, 12 ARE THERE SIGNALS CHECK IC1512 AND IC1513 AT IC1507 pins 5, 10 AND IC1508 pins 5, 10? CHECK IC1507, IC1508,...

  • Page 11: Instructions On Use

    4. Instructions on Use (The following are extracts from the instruction manual. ) FRONT FRONT <Display> Remaining disc playback time Lights when the stop position or recordable time is in memory. Lights when the input level exceeds Playback control 0 dB during dubbing or recording. Lights when the angle Double-speed dubbing (x2) Repeat play...
  • Page 12 REAR SIDE Audio input jacks Audio output jacks Coaxial digital audio output jack Surround audio output jacks Coaxial digital audio input jack Video output jack Optical digital audio output connector S-video output connector Component video Optical digital audio input connector output jacks VIDEO CENTER...

  • Page 13: Disassembly

    D I S A S S E M B L Y CHAPTER 2 1. Before Starting Disassembly 1) Unplug the power cord from the AC outlet. SW-CDR FLHP 2) [Removal procedure] (CDR-SWITCH) (LCD DISPLAY) If a special procedure is required when dismantling BOARD BOARD any component, it is indicated using numbers.

  • Page 14: Disassembly Procedure Diagrams

    Disassembly Procedure Diagrams Item Parts to remove Side cover (L), (R) and Top cover REMOVE THE SCREW SIDE COVER (L) TOP COVER SIDE COVER (R) REMOVE SEVEN SCREWS REMOVE SCREW Fig. 2-1 Rear panel REMOVE REAR PANEL EIGHT SCREWS Fig. 2-2 2 - 2 Get other manuals https://www.bkmanuals.com...

  • Page 15: Front Cover, If, Flhp

    Item Parts to remove JAK board and REG board REMOVE BOARD FOUR SCREWS DISCONNECT FIVE CONNECTOR REMOVE TWO SCREWS REG BOARD DISCONNECT FIVE CONNECTOR Fig. 2-3 Front cover, IF, FLHP, SW-DVD and SW-CDR board SW-CDR BOARD REMOVE FRONT COVER SCREWS DISONNECT TWO CONNECTORS FLHP BOARD...

  • Page 16: Dvd-Rom And Dec Board

    Item Parts to remove DVD-ROM and DEC board Note: To open the tray of DVD-ROM drive, insert a DISCONNECT Philips screwdriver into hole (A), and turn it REMOVE FIVE FOUR clockwise. CONNECTORS SCREWS Close the tray when removing the DVD-ROM REMOVE FOUR SCREWS drive.

  • Page 17: Cabinet Section

    CHAPTER 3 E X P L O D E D V I E W 1. CABINET SECTION SW-DVD [DVD SWITCH] P.C.B FLHP [LCD DISPLAY] P.C.B SW-CDR [CDR SWITCH] P.C.B JAK [REAR JACK] P.C.B [INTERFACE] REG[REGULATOR] P.C.B P.C.B [DECK] P.C.B 3 - 1 Get other manuals https://www.bkmanuals.com...

  • Page 18: Chapter 4 Replacement Parts List

    CHAPTER 4 REPLACEMENT PARTS LIST 1. MECHANICAL PARTS LIST 2. ELECTRICAL PARTS LIST SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION MECHINISM SECTION FLHP,IF,JAK BOARD PM10791 COVER,TOP CAPACITORS QD19081 COVER,SIDE(R) QD19741 COVER,SIDE(L) C1301 0800315 ELECTROLYTIC 47UF 6.3V UH10863 COVER,BOTTOM C1302 0893008 CERAMIC CHIP 0.1UF +-10% 16V PM10722 PLATE,REAR C1304...
  • Page 19 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION C1709 0893014 CERAMIC CHIP 0.01UF+-10% 25V C3517 0893033 CERAMIC CHIP 1500PF+-10% 50V C1710 0893014 CERAMIC CHIP 0.01UF+-10% 25V C3518 0893033 CERAMIC CHIP 1500PF+-10% 50V C1711 0800122 ELECTROLYTIC 10UF 16V C3519 0893014 CERAMIC CHIP 0.01UF+-10% 25V C1712 0800122 ELECTROLYTIC 10UF 16V...
  • Page 20 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R1564 0103867 CHIP RESISTOR 100KOHM+-5% 0.1W R1761 0103866 CHIP RESISTOR 82KOHM+-5% 0.1W R1565 0103862 CHIP RESISTOR 39KOHM+-5% 0.1W R1762 0103866 CHIP RESISTOR 82KOHM+-5% 0.1W R1566 0103862 CHIP RESISTOR 39KOHM+-5% 0.1W R1763 0103866 CHIP RESISTOR 82KOHM+-5% 0.1W R1567 0105145 CHIP RESISTOR 36KOHM+-1% 1/10W...
  • Page 21 SYMBOL SYMBOL P-NO DESCRIPTION P-NO DESCRIPTION R3530 0103864 CHIP RESISTOR 56KOHM+-5% 0.1W TRANSFORMER R3531 0103848 CHIP RESISTOR 2.7KOHM+-5% 0.1W R3532 0103864 CHIP RESISTOR 56KOHM+-5% 0.1W T1301 BS10231U COIL R3537 0103852 CHIP RESISTOR 5.6KOHM+-5% 0.1W RV1761 AY10231 VARIABLE RESISTOR COILS SEMI-CONDUCTORS L1301 BA10337R COIL 100UH...

  • Page 22: Schematic, Circuit Board

    CHAPTER 5 SCHEMATIC, CIRCUIT BOARD AND BLOCK DIAGRAM CONNECTION DIAGRAM CN1362 CN1201 REAR JACK [JAK] REGULATOR [REG] CN1304 DECK [DEC] CN1906 CN1907 CN1302 CD-R INTERFACE [IF] CN1703 CN1101 DVD-ROM DVD SWITCH CDR SWITCH [SW-DVD] [SW-CDR] LCD DISPLAY [FLHP] 5 - 1 5 - 2 CONNECTION DIAGRAM CONNECTION DIAGRAM...
  • Page 23 LCD DISPLAY [FLHP] SCHEMATIC DIAGRAM CDR SWITCH DVD SWITCH INTERFACE [SW-CDR] [SW-DVD] [IF] PG1801 PG1802 PG1902 INTERFACE [IF] PG1901 RESET C1704 DTA124EKA C1709 INFRARED RECEIVER C1710 DTA124EKA M38197MAA630FP FRONT P DTA124EKA HZS2-C3 DTA124EKA HEAD PHONE LCD DISPLAY [FLHP] LCD DISPLAY 5 - 3 5 - 4 LCD DISPLAY...

  • Page 24: Interface[If]

    DVD SWITCH [SW-DVD] SCHEMATIC DIAGRAM INTERFACE [IF] SCHEMATIC DIAGRAM CD-R CD-R CN501 CN601 R1901 REGULATOR R1903 [REG] R1904 PG1903 R1905 R1911 LCD DIPLAY R1913 [FLHP] PG1704 DVD SWITCH [SW-DVD] LCD DISPLAY [FLHP] REAR JACK PG1701 [JAK] PG1303 R1917 C1903 CDR SWITCH [SW-CDR] SCHEMATIC DIAGRAM 330P C1920 R1918...

  • Page 25: Rear Jack[Jak]

    REAR JACK [JAK] SCHEMATIC DIAGRAM BL1309 820p BL1310 DECK-2 [DEC] PG2201 IC3301 BL1311 14 13 12 11 10 9 8 BA7660FS-E2 DTA124EKA VIDEO AMP IC1507 NJM2060M DTC114TKA AUDIO FILTER DTC114TKA J1306 R1351 BL1312 IC1512 BU4066-BCF-E2 DOWNMIX/CD 820p SELECT SWITCH R1352 BL1313 IC3302 BA7660FS-E2...
  • Page 26 REGULATOR [REG] SCHEMATIC DIAGRAM -20V INTERFACE [IF] PG1906 AC120V 60Hz 2SB1326TV2QR RK39F DVD-ROM RK39F PG1906 RK39F CD-R RK39F 2SD2394EE DTC124ESA CN1701 DTC124ESA 1SS254 2SB1326TV2QR SWITCHING REGULATOR DECK-2 [DEC] DTC124ESA PG1201 2SC1741QR IC52 NJM2380ALT 1SS254 1SS254 IC51 NJM2380ALT REGULATOR [REG] DTA124ESA DTC124ESA 5 - 9 5 - 10...

  • Page 27: Deck-1[Dec]

    DECK-1 [DEC] SCHEMATIC DIAGRAM MIC SW DA-DATAI AUDIO DAC R2417 MIC SW DECK-2 1A-33A AUDIO DAC 5V REG REAR JACK [JAK] PG1301 DECK-1 [DEC] DECK-1 5 - 11 5 - 12 DECK-1 Get other manuals https://www.bkmanuals.com...

  • Page 28: Deck-2[Dec]

    DECK-2 [DEC] SCHEMATIC DIAGRAM REGULATOR [REG] PG1901 16Mbit SDRAM DECK-1 1A-6A 2.5V REG. 220u 220u 220u C2244 220/16 220u VIDEO ENCODER REAR JACK [JAK] PG1302 16Mbit SDRAM DECK-1 MPEG DECODER DECK-1 9A-32A IC1603 MSM5416258B-28J1 4Mbit DRAM C1100 INVERTER SH1 mCOM I/F GA IC1602 MBM29F160TE-90...
  • Page 29 DEC CIRCUIT BOARD DEC [DECK] -SIDE A- DEC [DECK] -SIDE B- [PATTERN No.JA1755-4] 6 - 16 6 - 17 6 - 18 Get other manuals https://www.bkmanuals.com...
  • Page 30 IDENTIFICATION OF PARTS LOCATION SW-DVD CIRCUIT BOARD Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Location Location Location Location Location Location Location C1514 B-1A C2242 B-5B Q1505 B-3A R1691 B-2D R3220 B-4D RA1602 A-2E C1111 A-5D C1515...
  • Page 31 JAK CIRCUIT BOARD IDENTIFICATION OF PARTS LOCATION Symbol Parts Symbol Parts Symbol Parts Symbol Parts Symbol Parts Location Location Location Location Location C1586 B-3E C3521 B-3F R1316 B-1D R1577 A-3E BL1303 B-3F C1589 B-2B C3522 B-1F R1317 B-1D R1578 A-3E BL1307 B-1F C1590...
  • Page 32 IF, REG CIRCUIT BOARDS IDENTIFICATION OF PARTS LOCATION Symbol Parts Symbol Parts Symbol Parts Symbol Parts Location Location Location Location D0053 R0007 C1903 BL0001 D0054 R0008 CN1901 C1904 BL0002 D0055 R0009 C1909 BL0003 D0056 R0010 C1911 BL0004 D0057 R0011 C1914 BL0052 D0061 R0012...
  • Page 33 FLHP CIRCUIT BOARD IDENTIFICATION OF PARTS LOCATION FLHP Symbol Parts Symbol Parts Location Location R1718 B-1E C1701 A-1B R1719 B-1B C1703 B-1C R1720 B-2C C1704 B-2A R1721 B-2A C1705 A-1A R1722 B-1D C1707 B-1A R1723 B-1D C1709 B-1B R1724 B-1D C1710 B-2B R1725...

  • Page 34: Block Diagram

    BLOCK DIAGRAM DECK PWB MUTE1 IC1202 DA_DATA0 IC1501 Q1501 PQ07VZ5M2Z PCM1716 IC1506 PQ20WZ51 DA_DATA [1:3] DA_BCK IC1507 IC1508 DVD[0:7] PG1101 IC1101 DA_LRCK PCM1600Y IC1201 ATAPI Upd65625GF REQUEST,CSTROBE, ZiVA -3 PE0 ZWAIT,ZRD,ZWR MADDR[0:11] DVD-ROM FRAMWR MUTE2 Q1507 MDATA[0:15] X2203 DML/R PG1502 XíTAL27MHz IC2203 IC1505...
  • Page 35 DV-W1U No.9006E Digital Media Products Division, Tokai Copylight © Hitachi, Ltd. 2000. All rights reserved. Printed in Japan (II) Get other manuals https://www.bkmanuals.com...

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