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Hitachi DV-W1U Service Manual Download Page 26

 

5 - 10

5 - 9

REGULATOR

REGULATOR

REGULATOR [REG] SCHEMATIC DIAGRAM

A

B

C

3

2

1

D

E

4

6

5

7

8

REGULATOR [REG]

SWITCHING
REGULATOR

47p/1KV

1SS254

IC51

NJM2380ALT

IC52

NJM2380ALT

DTC124ESA

DTA124ESA

Q58

2SC1741QR

Q57

2SB1326TV2QR

22u

DTC124ESA

RK39F

RK39F

RK39F

RK39F

Q53

2SB1326TV2QR

1SS254

1SS254

DTC124ESA

Q52

2SD2394EE

1SS254

1SS254

DTC124ESA

-20V

To
INTERFACE
[IF]
PG1906

To
DVD-ROM
PG1906

To
CD-R
CN1701

To
DECK-2
[DEC]
PG1201

AC120V

60Hz

Summary of Contents for DV-W1U

Page 1: ...TK No 9006E SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT DVD PLAYER CD RECORDER SERVICE MANUAL 2000 May Digital Media Products Division Tokai DV W1U ...

Page 2: ...res corrective action Exposed metal parts not having a return path to the chassis will indicate an open circuit Leakage Current Hot Check Plug the AC line cord directly into a AC120V 60Hz outlet do not use an isolation transformer for this check Turn the AC power switch on Using a Leakage Current Tester measure for current from all exposed metal parts of the cabinet antennas screwheads metal overl...

Page 3: ...n 5 All tolerances other than 5 are indicated in schematic diagrams No indication 1 8W 1 16W for leadless resistors without indication All capacitances other than the above are indicated in schematic diagrams Capacitors Item Value Dielectric strength Indication No indication µF P pF No indication 50V All dielectric strengths other than 50V are indicated in schematic diagrams Item Value Indication ...

Page 4: ...2 2 Rear panel 2 2 2 3 JAK and REG board 2 3 2 4 Front cover IF FLHP SW DVD and SW CDR board 2 3 2 5 DVD ROM and DEC board 2 4 2 6 CD R and Bottom cover 2 4 CHAPTER 3 EXPLODED VIEW 1 CABINET SECTION 3 1 CHAPTER 4 REPLACEMENT PARTS LIST 1 MECHANICAL PARTS LIST 4 1 2 ELECTRICAL PARTS LIST 4 1 SCHEMATIC CIRCUIT BOARD CHAPTER 5 AND BLOCK DIAGRAMS CONNECTION DIAGRAM 5 1 SCHEMATIC CIRCUIT BOARD LCD DISP...

Page 5: ...rminal pinj ack Y output level 1 Vp p 75 ohm C output level NTSC 0 286 Vp p 75 ohm PAL 0 3 Vp p 75 ohm Output terminal S terminal Output level 1 Vp p synchronous when loaded at 75 ohm Output terminal pin jack OUTPUT level 200m Vrms 1kHz 20dB Mixed 2ch OUTPUT 1 system pin jack 2 5 1 ch OUTPUT 1 system pin jack 6 Sound characteristics Input level 200mVrms 1kHz 20dB 1 system pin jack 2 Digital Audio ...

Page 6: ...al to Analog Converter Audio output Connector Digital Audio Output Optical Digital Audio Output Coaxial Headphone Jack with Volume Control New Karaoke Mic Jack MPEG2 Audio Down Mix 2ch MPEG2 Multi channel AC 3 Audio Down mix 2ch AC 3 Dolby Multi Channel output OSD Speaker Configuration DTS Output Dolby Pro Logic Decode Virtual Surround Spatializer N 2 2 5 1ch Source DV W1U 435mm W 330mm D 81mm H 4...

Page 7: ...amic 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 Multi Speed Scan Forward Multi Speed Scan Reverse Step Mode Parental Look DVD Zoom 2 4 DVD Skip Program and Random Play by Setup Menu Repeat Last Play DVD Easy Play Papa Mamma Mode Recording Features for Audio CD R ...

Page 8: ...PWB CHECK IC1201 IC1101 IC1601 CHECK POWER SUPPLY CIRCUIT CHECK IC1601 CHECK X2201 R1218 REPLACE IC2202 ARE SIGNALS OUTPUT FROM PG2201 pins 17 15 13 11 9 7 3 ARE SIGNALS IC2202 pins 14 15 16 20 21 5V AT IC2202 pins 46 34 32 30 27 19 11 1 VDD ISVOLTAGE AT IC2202 pins 44 RESET H LEVEL IS CLOCK IN IC2202 pin 48 Yes No Yes No No Yes No Yes No Yes No Yes ARE SIGNALS OUTPUT FROM IC2202 pins 35 33 29 28 ...

Page 9: ...in 3 6 VOLTAGE 5V No Yes No Yes No Yes No Yes No Yes No Yes ARETHERE SIGNALS AT IC1501 pins 1 2 3 5 AND IC1507 pins 40 41 45 46 47 38 NO SOUND IS Q1507 Q1501 COLLECTOR VOLTAGE 8V Yes ARE SIGNALS AT IC1507 IC1508 IC1509 IC1510 pins 7 8 Yes BREAKDOWN OF Q1305 Q1307 Q1311 Q3503 Q3504 No BREAKDOWN OF IC1201 BREAKDOWN OF IC1506 Yes ARE IC1505 pin 3 5V pin 1 8V ARETHERE SIGNALS AT IC1501 pins 26 27 28 a...

Page 10: ...1513 CHECK IC1507 IC1508 D3301 D1302 Q3543 Q3544 Q1310 Q1311 Q3505 Q3506 Q1312 Q1313 ZD3501 ZD1303 CHECK C3515 C3516 C1503 C1504 R3517 R3518 R1579 R1580 ARE IC1512 pins 6 12 AND IC1513 pins 6 12 0V ARETHERE SIGNALS AT IC1507 pins 7 8 AND IC1508 pins 7 8 No Yes No Yes No Yes ARETHERE SIGNALS AT IC1507 pins 5 10 AND IC1508 pins 5 10 NO SOUND ...

Page 11: ...ODE PHONES LEVEL REC LEVEL DUB START ACTIVE ACTIVE SOURCE FINALIZE UNFINALIZE ERASE SYNC TRACK NO AUTO MANUAL STOP PLAY PAUSE STOP PLAY PAUSE RECSTANDBY SKIP SKIP MIN MAX Headphone jack PHONES Player tray Recorder tray DUB START button DUB MODE button SOURCE button FINALIZE button UNFINALIZE button ERASE button Recorder OPEN CLOSE button SYNC button POWER STANDBY button STANDBY indicator STOP butt...

Page 12: ...MENU CANCEL DISC NAVIGATION ENTER REV FWD DISPLAY button OPEN CLOSE button AUDIO button SURROUND button PICTURE button SKIP button REC STANDBY button POWER button SUBTITLE button ANGLE button DIRECT SEARCH button ZOOM button TOP MENU button PLAY PAUSE button JOG dial A B button Numerical buttons CLEAR button REC MENU button DIRECTION button RECORDER DRIVE SELECT button CANCEL button ENTER button S...

Page 13: ...oval procedure If a special procedure is required when dismantling any component it is indicated using numbers Follow the numbers 1 2 3 shown in the illustrations Reinstallation procedure Reinstall each component in the reverse order to removal when otherwise not specified 3 Insert card connectors securely all the way as they are of the direct insertion type Parts Hierarchy Chart Note Dismantle pa...

Page 14: ... SEVEN SCREWS 3 REMOVE THE SCREW TOP COVER SIDE COVER L SIDE COVER R 5 5 5 4 2 5 Fig 2 1 Disassembly Procedure Diagrams Item Parts to remove 2 1 Side cover L R and Top cover 2 2 Rear panel Fig 2 2 1 1 REMOVE EIGHT SCREWS 1 REAR PANEL ...

Page 15: ...R Item Parts to remove 2 3 JAK board and REG board Fig 2 3 2 4 Front cover IF FLHP SW DVD and SW CDR board Fig 2 4 1 RELEASE FOUR STOPPERS FRONT COVER 4 REMOVE THREE SCREWS IF BOARD SW DVD BOARD 3 DISCONNECT SEVEN CONNECTORS 2 REMOVE TWO SCREWS 3 5 5 DISONNECT TWO CONNECTORS FLHP BOARD 6 REMOVE SIX SCREWS SW CDR BOARD 1 1 1 3 2 6 ...

Page 16: ...OVE FOUR SCREWS DVD ROM A 1 2 3 REMOVE FOUR SCREWS 4 DISCONECT FIVE CONNECTORS CD R BOTTOM COVER Note To open the tray of DVD ROM drive insert a Philips screwdriver into hole A and turn it clockwise Close the tray when removing the DVD ROM drive Notes 1 To open the tray of CD R drive turn gear 1 under the tray counterclockwise 2 Fully open the tray and then remove the screws from the CD R drive ...

Page 17: ... 901 901 901 901 901 901 901 109 905 105 SW CDR CDR SWITCH P C B JAK REAR JACK P C B 903 REG REGULATOR P C B 903 907 906 114 107 904 904 903 903 904 904 110 IF INTERFACE P C B A B A B DEC DECK P C B 104 909 115 908 907 907 903 106 909 908 903 111 901 905 103 102 SW DVD DVD SWITCH P C B 112 101 113 108 ...

Page 18: ...0 25V C1330 0800326 ELECTROLYTIC 100UF 16V C1331 0893008 CERAMIC CHIP 0 1UF 10 16V C1332 0893018 CERAMIC CHIP 0 022UF 10 25V C1333 0800326 ELECTROLYTIC 100UF 16V C1334 0800315 ELECTROLYTIC 47UF 6 3V C1335 0209848 CERAMIC DISC 150PF 5 50V C1338 0209880 CERAMIC CHIP 10PF 0 5 50V C1362 0800326 ELECTROLYTIC 100UF 16V C1374 AJ10267R CERAMIC CAPACITOR 10000PF 10 50V C1557 AA00698R CERAMIC CHIP 2 2UF 10 ...

Page 19: ...22UF 16V C3516 0800299 ELECTROLYTIC 22UF 16V C3517 0893033 CERAMIC CHIP 1500PF 10 50V C3518 0893033 CERAMIC CHIP 1500PF 10 50V C3519 0893014 CERAMIC CHIP 0 01UF 10 25V C3520 0893014 CERAMIC CHIP 0 01UF 10 25V C3521 0893008 CERAMIC CHIP 0 1UF 10 16V C3522 0893014 CERAMIC CHIP 0 01UF 10 25V C3523 0893008 CERAMIC CHIP 0 1UF 10 16V C3526 0209896 CERAMIC CHIP 470PF 10 50V C3527 0893035 CERAMIC CHIP 220...

Page 20: ...TOR 82KOHM 5 0 1W R1757 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1758 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1759 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1760 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1761 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1762 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1763 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1764 0103866 CHIP RESISTOR 82KOHM 5 0 1W R1766 0103843 CHIP RESISTOR 1KOHM 5 0 1W R1768...

Page 21: ...HSM2838C D1304 5337411 DIODE HSM2838C D1901 5337101 DIODE MA110 D3301 5337411 DIODE HSM2838C D3302 5337411 DIODE HSM2838C IC1301 CK31781R IC TC74HCT04AF EL IC1302 DT10371 IC JFJ1000 IC1303 DT10381 IC JFJ2000 IC1304 CK23621R IC TC7WHU04FU IC1305 CK15071R IC HD74HC153FP IC1507 CK25321R IC NJM2060M IC1508 CK25321R IC NJM2060M IC1509 CK25321R IC NJM2060M IC1510 CK25321R IC NJM2060M IC1512 CK04701R IC ...

Page 22: ...B C 3 2 1 D E 4 6 5 7 8 CHAPTER 5 SCHEMATIC CIRCUIT BOARD AND BLOCK DIAGRAM DECK DEC REAR JACK JAK REGULATOR REG CD R DVD ROM INTERFACE IF DVD SWITCH SW DVD LCD DISPLAY FLHP CDR SWITCH SW CDR CN1303 CN1201 CN1301 CN1907 CN1906 CN1362 CN1500 CN1304 CN1302 CN1703 CN1101 ...

Page 23: ...ISPLAY FLHP To CDR SWITCH SW CDR PG1801 To DVD SWITCH SW DVD PG1802 To INTERFACE IF PG1902 To INTERFACE IF PG1901 EL HEAD PHONE AMP SLR325MG3F SLR325MG3F SLR325VR3F SLR325VR3F DTA124EKA DTA124EKA DTA124EKA DTA124EKA HZS2 C3 INFRARED RECEIVER FRONT P C1704 0 1 RESET C1709 0 1 C1710 0 1 M38197MAA630FP ...

Page 24: ...9 10 11 12 13 14 15 16 17 INTERFACE IF 1 2 3 4 5 6 7 8 9 10 To DECK 2 DEC PG1602 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 To REGULATOR REG PG1903 To CD R CN501 To CD R CN601 R1901 1k R1903 1k R1904 1k R1905 1k R1911 1k R1913 1k To LCD DISPLAY FLHP PG1702 To LCD DISPLAY FLHP PG1701 To REAR JACK JAK PG1303 C1903 330P C1920 330P C1921 330P C1922 330P C1923 330P C1928 330P C1904 330P C1909 330P C19011 330P...

Page 25: ...ELECT SWITCH IC1512 BU4066 BCF E2 DOWNMIX CD SELECT SWITCH IC1301 DIGITAL OUTPUT BUFFER IC1508 NJM2060M FRONT FILTER AMP IC1509 NJM2060M S FILTER AMP IC1510 NJM2060M CENTER WOOFER FILTER AMP IC1507 NJM2060M AUDIO FILTER AMP DTC114TKA DTC114TKA DTA124EKA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 To INTERFACE IF PG1907 IC3301 BA7660FS E2 IC3302 BA7660FS E2 VIDEO AMP 2 7k C3523 0 1 R3537 5 6k BL1303 100 C3...

Page 26: ...GULATOR 47p 1KV 1SS254 IC51 NJM2380ALT IC52 NJM2380ALT DTC124ESA DTA124ESA Q58 2SC1741QR Q57 2SB1326TV2QR 22u DTC124ESA RK39F RK39F RK39F RK39F Q53 2SB1326TV2QR 1SS254 1SS254 DTC124ESA Q52 2SD2394EE 1SS254 1SS254 DTC124ESA 20V To INTERFACE IF PG1906 To DVD ROM PG1906 To CD R CN1701 To DECK 2 DEC PG1201 AC120V 60Hz ...

Page 27: ...ACK JAK PG1301 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R2417 47 MIC SW 26A 10A 5A 2A 19A 8A 4A 14A 15A 30A 27A 25A 29A 31A MIC SW 31A DA DATAI 33A 6A 11A 12A 13A 9A 7A 20A 28A 21A 23A 17A 22A 32A 24A 1A 16A 3A 18A To DECK 2 1A 33A INVERTER 5V REG AUDIO DAC AUDIO DAC R2550 47 ...

Page 28: ...48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 DECK 2 DEC 80F 80F 220u 220u SW SW SW SW To REGULATOR REG PG1901 1A 33A 2A 3A 4A 5A 6A To DECK 1 1A 6A To DECK 1 33A 220u 620 620 160 160 160 160 160 160 220u 220u C2244 220 16 9A 10A 11A 12A 13A 14A 15A 16A 17A 18A 19A 32A 20A 21A 22A 23A 24A 25A 26A 27A 28A 29A 30A 31A To DECK 1 9A 32A 8A To DECK 1 8A 7A To DECK 1 7A 10 9 8 ...

Page 29: ...DEC CIRCUIT BOARD 6 18 6 17 DEC DV WIU 6 16 DEC DEC DEC DECK SIDE A 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F A B C D E F 4 1 2 3 4 5 6 DEC DECK SIDE B PATTERN No JA1755 4 F E D C B A F E D C B A 5 4 3 2 1 6 ...

Page 30: ...R R1101 B 5E R1143 B 4D R1149 A 4D R1159 A 5D R1160 B 5D R1168 B 5D R1169 A 5C R1187 B 5D R1188 B 5D R1189 B 5D R1190 B 5D R1191 A 5C R1192 B 5D R1193 A 5C R1194 B 5D R1195 A 5C R1201 B 3C R1203 B 4C R1211 A 2C R1218 B 4C R1219 B 4C R1221 B 4D R1229 A 4D R1231 B 3C R1232 B 4D R1237 B 4C R1506 B 3A R1507 A 3A R1512 B 3A R1514 B 3A R1515 B 3A R1516 B 1C R1517 B 1C R1518 B 1C R1523 B 2A R1638 A 3D R1...

Page 31: ...525 B 3F C3526 B 3F D D1302 B 1E D1303 B 2E D1304 B 1E D1361 B 1C D3301 B 2E D3302 B 1E IC IC1301 B 2F IC1302 A 1F IC1303 A 1G IC1304 B 1G IC1305 B 3F IC1507 B 2E IC1508 B 2A IC1509 B 2C IC1510 B 2D IC1512 B 3F IC1513 B 2F IC3301 B 1A IC3302 B 1A J J1301 A 1D J1304 A 1E J1305 A 1D J1306 A 1A L L1301 B 1F L1362 B 1B PG PG1301 A 2E PG1302 A 1C PG1303 A 3F PG1304 A 3G PG1361 A 3G Q Q1306 B 1D Q1307 B...

Page 32: ...0001 5C PG1901 1B PG1902 1B PG1903 1A PG1904 2A Q Q0051 1A Q0052 2A Q0053 1A Q0054 1B Q0055 1A Q0056 1A Q0057 2C Q0058 2B Q0059 2C Q0060 2B Q0061 2B Q0062 2B Q0063 1A QF QF0060 1A QF0061 3A R R0001 5B R0002 5A R0003 5A R0004 4A R0006 5A R0007 4B R0008 4B R0009 4B R0010 4B R0011 4A R0012 4A R0014 4A R0053 3B R0054 3B R0055 3B R0056 3B R0058 3B R0059 2B R0060 2B R0062 2A R0063 2A R0064 1B R0065 1A R...

Page 33: ...705 B 1B R1706 B 1B R1707 B 1B R1708 B 1B R1710 B 1B R1712 A 1A R1713 A 1A R1714 B 1C R1715 B 1A R1716 B 1B R1717 B 1B R1718 B 1E R1719 B 1B R1720 B 2C R1721 B 2A R1722 B 1D R1723 B 1D R1724 B 1D R1725 B 1D R1726 B 1D R1727 B 1E R1728 B 1E R1729 B 1D R1730 B 1D R1731 B 1D R1734 B 1D R1735 B 1D R1736 A 1C R1738 B 1B R1744 B 2A R1745 B 2A R1749 B 2A R1750 B 2A R1751 B 2A R1752 B 2A R1753 B 2A R1754 ...

Page 34: ...YNC VDATA 0 7 MADDR 0 11 MDATA 0 15 FL R SL R CENTER SUB BLANKOUT DML R DA_DATA0 DA_DATA 1 3 SA 0 21 IC2203 IC2204 16MbitSDRAM IC1501 PCM1716 IC1507 PCM1600Y PG1502 AUDIO CON MUTE2 MUTE1 IC1508 Q1501 Q1507 IC2201 AV7172 PG2201 VIDEO CON DAC0 2 SICLK SIODAT DAC0 1 3 SICLK SIODA CS2 RD WR etc PG1602 FL CON IC1506 PQ20WZ51 RECODER CRD RA1 PG1302 PG1301 CENTER SUB SL R FL R DECK PWB CDR SWITCH PWB IF ...

Page 35: ...Copylight Hitachi Ltd 2000 All rights reserved DV W1U Printed in Japan II Digital Media Products Division Tokai TK No 9006E DV W1U DV W1U ...

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