Hitachi DV-P415U Service Manual Download Page 37 | Manualshive

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9-1

9. PCB Diagrams

9-1 Main - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

9-2 Jack - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

9-3 Deck - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

9-4 Housing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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Summary of Contents for DV-P415U

Page 1: ...ANUAL 2001 March Digital Media Products Division Tokai DV P415U 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 CONTENTS ...

Page 2: ...Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screwheads metallic overlays control shafts etc especially any exposed metal parts that offer an electrical return path to the chassis Any c...

Page 3: ...of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necessary take ...

Page 4: ...last 2 The service precautions are indicated or printed on the cabinet chassis or components When servicing follow the printed or indicated service precautions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components i entified by shading by or by in the circuit ...

Page 5: ... the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement...

Page 6: ...s gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB which is in ...

Page 7: ...Fig 1 4 4 Disassembly the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 4 points on Pick up 3 Reassemble the Deck Assy PICK UP ASS Y CD DVD SOLDER LAND 4 POINTS SHORT Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 1 5 Pick up disassembly and reassembly ...

Page 8: ...lay Time 74min CD 8Cm Reading Speed 1 2 to 1 4 m s Compact Disc Maximum Play Time 20min VCD 12Cm Reading Speed 1 2 to 1 4 m s Maximum Play Time 74min Video Audio Composite Video 1 channel 1 0Vp p 75ohm load Y 1 0Vp p 75ohm load Video Output Component Video Pr 0 70Vp p 75ohm load Pb 0 70Vp p 75ohm load S Video Luminance Signal 1Vp p 75ohm load Chrominance Signal 0 286Vp p 75ohm load 2 Channel L 1 L...

Page 9: ... search speed will switch to 2X 4X 8X 16X 32X 128X after which SKIP will be restored Description Front Panel Front Panel Controls POWER STA NDBY 15 You can now select different viewing points of the scene recorded by different cameras Multi Angle Disc type indicators Reverse playback Pause Forward playback Lights when 3D sound is turned on DVD Title number DVD Chapter number Video Audio CD Track n...

Page 10: ...irst picture of each chapter DVD or track VCD STEP Button Advances playback one frame at a time STOP Button To stop playback SEARCH Buttons Allows you to search forward backward through a disc TV POWER Button To turn the TV on and off VIDEO TV Button To select the input VIDEO DVD player or TV SURROUND Button To activate the 3D sound BOOKMARK Button To rapidly return to a location of disc OPEN CLOS...

Page 11: ...ack on your television for a higher quality picture The S Video must be selected in the VIDEO OUT SELECT switch COMPONENT VIDEO OUT JACKS Use these jacks if you have a TV with Component Video in jacks These jacks provide Pr Pb and Y video Along with S Video Component Video provides the best picture quality The Y Pb Pr must be selected in the VIDEO OUT SELECT switch VIDEO OUT SELECT switch Use the ...

Page 12: ...d Reassembly 4 1 Cabinet and PCB 4 1 1 Top Cabinet Removal 1 Remove 3 Screws Œ on the back Top Cabinet 2 Lift up the Top Cabinet in direction of arrow Œ 3 SCREWS Fig 4 1 Top Cabinet Removal Note Reassembly in reverse order ...

Page 13: ...ray 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 Open Tray manually Œ TRAY DOOR TRAY A Side View ˇ EMERGENCY HOLE SCREW DRIVER B Fig 4 2 Door Tray Removal ...

Page 14: ...Disassembly and Reaasembly 4 3 Œ ASS Y FRONT CABINET Fig 4 3 Ass y Front Cabinet Removal 4 1 3 Ass y Front Cabinet Removal 1 Remove Ass y Front Cabinet Œ ...

Page 15: ...ECK ASS Y Œ 3 SCREWS DCN1 MAIN PCB FLAT CABLE CONNECT WIRE DCN2 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 Fig 4 4 Ass y Deck Removal ...

Page 16: ...and Reaasembly 4 5 MAIN PCB ˇ 3 SCREWS Œ 2 SCREWS JACK PCB Fig 4 5 Main PCB Jack PCB Removal 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 ...

Page 17: ...4 6 Disassembly and Reaasembly 4 2 PCB Location Fig 4 6 PCB Location ...

Page 18: ...LAT CABLE DECK PCB MAIN PCB DCN1 ˇ CONNECT WIRE HCN1 HOUSING PCB MAIN PCB DCN2 ˆ CN8 MAIN PCB JACK PCB DCN1 Ø PCN1 MAIN PCB JACK PCB PCNS1 FCN1 MAIN PCB JACK PCB CN2 S CT1 CT2 CT3 CT4 CT5 DECK ASS Y DECK PCB JACK PCB MAIN PCB ˆ Ø CT3 CT4 CT5 4 3 Connector Diagram Fig 4 7 Connector Diagram ...

Page 19: ...ng 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 to disassemble while simultaneously pushing 2 Stoppers ˆ left right in the direction arrow C D Fig 4 8 Tray Disc Removal A Œ SCREW DRIVER EMERGENCY HOLE ˇ SLIDER HOUSING TRAY DISC B C ˆ STOPPER ˆ STOPPER D ...

Page 20: ... 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 Fig 4 9 Ass y P U Deck Removal Œ DCN2 ˆ HOOK HOOK DCN3 ˇ ASSY P U DECK A B Assembly Point SLIDER HOUSING ...

Page 21: ...ft up the Slider Housing ˆ 5 Remove the soldering Ø of 2 points Red Black 6 Remove 2 Screws and lift down the Motor Load Ass y 7 Push the 3 Hooks bottom side in the direction arrow C and lift up the Housing PCB 8 Push the Hooks Ô and remove Deck PCB Fig 4 10 Housing Ass y Removal Œ BELT ˇ PULLEY GEAR GEAR TRAY MOTOR LOAD ASSY 3 HOOKS HOUSING PCB DECK PCB Ô HOOK Ø SOLDERING 2 SCREWS ˆ SLIDER HOUSIN...

Page 22: ...sembly 4 11 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 Fig 4 11 Sub Chassis Removal 4 SCREWS ˇ ASSY BRAK DECK Œ SOLDERING OF MOTOR FEED WIRE ...

Page 23: ...eed 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 7 Remove 3 Spring Spindle and Motor Spindle Ass y Fig 4 12 Ass y Brkt Deck Removal 2 SCREW Œ WASHER GEAR FEED B 2 SCREWS 1 SCREW ˆ SHAFT PICK UP ˇ GEAR FEED A Ø PICK UP ASS Y SPRING SPINDLE MOTOR SPINDLE ...

Page 24: ...om object lens at play key input No focus incoming and no disc occurs Yes No B A No focus incoming FE in SIC1 25 is within specified range SIC3 26 27 output are normal Check open state from SIC3 to pick up Check RIC1 and A B C D input Check SIC3 Yes Yes No No A ...

Page 25: ...and connection Check MIC1 Yes No LED SLED SIC3 32 33 output are normal Check SIC3 Yes No NO LD CD ON RIC1 21 is 5V Current exceeds 0 1A LD out pick up replace Open check in related circuit Check MIC1 Yes Yes Yes No No Divide RQ1 emitter terminal voltage and 5V real voltage difference into 10ohm B ...

Page 26: ...es Yes Yes A See Fine Seek Check No Yes Check pick up No FINE SEEK Check FINE SEEK MIRR signal RIC1 46 is missing TZCO signal SIC1 24 is occurs Track incomming is delayed TE is within 2V and 3V Pick up transfer smooth Check RIC1 Peripheral curcuit Check SIC1 Peripheral curcuit Time out due to many jump counts Check SIC1 peripheral circuit SIC1 33 output is normal SIC3 28 29 terminal outputs are no...

Page 27: ...eck SIC1 MIC1 Check SIC3 soldering and power Check path to RIC1 and SIC1 Check RIC1 soldering and power RIC1 70 output are normal RIC1 71 output is normal Check RIC1 peripheral circuit and A B C D Yes Yes Yes Yes Yes Yes No No No No No No No Tray open close MIC1 6 8 is Open L L Close H H Check SIC3 35 36 output at open close Check signal line state from SIC3 35 36 to tray motor Micom MIC1 error Ch...

Page 28: ...ck ZIC1 121 output Check ZIC1 125 CD VCD 16 9344MHz DVD 18 432MHz Yes Yes No No AOP1 1 7 output is normal Check AOP1 peripheral circuit Yes No Base terminal level of AQ1 AQ3 are L Check FIC1 47 mute Yes No Digital output error Output in ZIC1 127 is normal Output in AIC3 6 8 10 is normal Check AVJ4 ACJ5 peripheral soldering shot Check ZIC1 peripheral circuit Check AIC3 Yes No No Yes ...

Page 29: ...9 in ZIC1 Check the soldering of ZIC1 Yes Yes No No Analog signals are inputted normally pin 2 in VIC1 Yes No Power is normal at pin 1 28 in VIC1 Yes No Pin 7 in VIC1 is in high stste Yes Check the connection netween pin 133 in ZIC1 and VIC1 Check the connection betwen VIC1 and PICS4 2 Check the connection between PICS4 2 and pin 1 in VIC1 Check the soldering of VIC1 No No Check the connection bet...

Page 30: ...SW1 Yes No No Pin 38 in FIC1 is high state Check the connection between pin 38 in FIC1 and VR121 Yes No Yes D Y Pr Pb output error VSW1 video select switch is down position VR121 of VSW1 is low state Move the select switch to down position Check the soldering of VSW1 Yes No No Pin 38 in FIC1 is high state Check the connection between pin 38 in FIC1 and VR121 Yes No Yes D ...

Page 31: ...6 1 6 Exploded View 6 1 Cabinet Assembly 6 2 Deck Assembly Page 6 2 6 3 ...

Page 32: ...Exploded Views 6 2 6 1 Cabinet Assembly 104 001 MAIN P C B 102 109 106 108 108 CN1B 101 002 JACK P C B 103 105 ...

Page 33: ...6 3 Exploded Views 6 2 Deck Assembly H105 H211 DCN1A H104 H207 H200 H210 ...

Page 34: ...M74HCU04 AOP1 TC11511 IC 4560 FIC1 TC11921 IC UPD780232GC 033 FIC2 TC11541 IC 7545 FIC4 TC11791 MODULE REMOCON MIC1 TC11931 IC 91C219 MIC2 TC11682 EPROM MIC3 TC11941 IC 15M256 MIC4 TC11681 IC 24C021 MIC5 TC11351 IC TC7S08F MIC6 TC11691 IC 7S32 MIC7 TC11401 IC 7SET00 PIC1 TC11701 IC MM1563 PICS1 TC11591 PHOTO COUPLER PC123 PICS2 TC11581 IC KA431Z PICS3 TC11551 IC 7908 PICS4 TC11561 IC 78R08 PICS5 T...

Page 35: ...CONNECTOR PFD01 TE13401 FUSE PICS6 TE13911 ICP N25 PICS7 TE13911 ICP N25 PLS01 TA14201 FILTER LINE VFD1 TE13921 DISPLAY SW1 TE13981 SWITCH SW2 TE14521 SWITCH HSW1 TE14021 SWITCH VSW1 TE13971 SWITCH SLID 7 2 Replacement Parts List SYMBOL NO P NO DESCRIPTION SYMBOL NO P NO DESCRIPTION ...

Page 36: ...l Yout Cout SIC1 S5L1454A Servo DSP RIC1 S5L1462A RF Amp DPD MIC1 TMP91C219F Main Controller FIC1 uPD780232 Front Controller ZIC1 ZiVA 4 1 A V Decoder CVBS R Pr B Pb G Y Lt Rt Post Filter Optical A V Decoder AC3 MPEG 5 1 Video Encoder 4DAC AUDIO DSP CSS INPUT FIFO DEMUX AIC1 AK4382 2 CH Audio DAC Down L R Compo Post Filter Y B Pb Post Filter C R Pr Post Filter Comp G Y IEC958 1937 VIC1 MM1540 MIC3...

Page 37: ...9 1 9 PCB Diagrams 9 2 9 3 9 4 9 4 9 1 Main 9 2 Jack 9 3 Deck 9 4 Housing ...

Page 38: ...PCB Diagrams 9 2 9 1 Main COMPONENT SOLDER SIDE ...

Page 39: ...PCB Diagrams 9 3 9 2 Jack ...

Page 40: ...PCB Diagrams 9 4 9 4 Housing 9 3 Deck ...

Page 41: ...10 1 10 Wiring Diagram ...

Page 42: ...1 1 Power 11 2 AV Decoder Main Micom Key 11 3 Servo 11 4 Video 11 5 Audio 11 6 Front Micom VFD Display 11 7 Deck Block Identification of PCB Main PCB Component Side Main PCB Component Side Jack PCB Conductor Side Jack PCB Conductor Side T15M256A M27C801 PIC1 MM1563 ...

Page 43: ...Schematic Diagrams 11 2 11 1 Power PICS6 ICP N25 PICS7 ICP N25 ...

Page 44: ...11 3 Schematic Diagrams M27C801 T15M256A 11 2 AV Decoder Main Micom Key ...

Page 45: ...11 4 Schematic Diagrams S5L1462A S5L1454A 11 3 Servo ...

Page 46: ...11 5 Schematic Diagrams 11 4 Video ...

Page 47: ...Schematic Diagrams 11 6 11 5 Audio ...

Page 48: ...Schematic Diagrams 11 7 JUP JUP JUP JUP JUP 11 6 Front Micom VFD Display ...

Page 49: ...Schematic Diagrams 11 8 11 7 Deck HOUSING PCB ...

Page 50: ...Copyright Hitachi Ltd 2001 All rights reserved DV P415U Printed in Japan II Digital Media Products Division Tokai TK No 9103E DV P415U DV P415U ...

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