Hitachi DV-P313U Service Manual Download Page 27 | Manualshive

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background image

T

roubleshooting

7-2

No pick-up home positing

SLD, SIC1-34

output is normal?

Check the Sled Motor 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

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Summary of Contents for DV-P313U

Page 1: ...ducts Division Tokai DV P315U DV P313U 1 Precautions 2 Reference Information 3 Product Specification 4 Operating Instructions 5 Disassembly and Reassembly 6 Circuit Descriptions 7 Troubleshooting 8 Exploded Views 9 Replacement Parts List 10 Block Diagram 11 PCB Diagrams 12 Wiring Diagram 13 Schematic Diagrams CONTENTS POWER STANDBY ...

Page 2: ...iters 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...

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: ...See Fig 1 4 4 Disassembly the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points on Pick up 3 Reassemble the Deck Assy DECK ASS Y SOLDER LAND 2 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 reassemblyº ...

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: ...Product Specification 3 2 MEMO ...

Page 10: ...sed the search speed will switch to 2X 4X 8X 16X 32X 128X after which SKIP will be restored Description Front Panel Front Panel Controls POWER STANDBY 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 T...

Page 11: ... up the Menu on a disc ENTER DIRECTION Button UP DOWN or LEFT RIGHT Button DISC NAVIGATION Button To view the first 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 SURROUND Button To activate the 3D sound BOOKMARK Button To rapidly return to a location of disc...

Page 12: ...h a disc STOP Button To stop playback SKIP Buttons Skip the Chapter or Track MENU Button Brings up the Menu on a disc TOP MENU Button Brings up the Top Menu on a disc ENTER DIRECTION Button UP DOWN or LEFT RIGHT Button STEP Button Advances playback one frame at a time AUDIO Button Accesses various audio functions on a disc OPEN CLOSE Button To open or close the disc tray 3D SOUND Button To activat...

Page 13: ...nect one of the jack to the V ideo input on your television S VIDEO OUT JACK Use the S Video cable to connect this jack to the S V ideo jack 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 V ideo in jacks These jacks provide Pr Pb and Y video Along with S V ideo Com...

Page 14: ...d Reassembly 5 1 Cabinet and PCB 5 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 5 1 Top Cabinet Removal Note Reassembly in reverse order ...

Page 15: ...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 5 2 Door Tray Removal ...

Page 16: ...Disassembly and Reaasembly 5 3 Œ ASS Y FRONT PANEL Fig 5 3 Ass y Front Cabinet Removal 5 1 3 Ass y Front Cabinet Removal 1 Remove Ass y Front Cabinet Œ ...

Page 17: ...ECK ASS Y Œ 3 SCREWS DCN1 MAIN PCB FLAT CABLE CONNECT WIRE DCN2 5 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 5 4 Ass y Deck Removal ...

Page 18: ...and Reaasembly 5 5 MAIN PCB ˇ 3 SCREWS Œ 2 SCREWS JACK PCB Fig 5 5 Main PCB Jack PCB Removal 5 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 19: ...5 6 Disassembly and Reaasembly 5 2 PCB Location Fig 5 6 PCB Location ...

Page 20: ...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 5 3 Connector Diagram Fig 5 7 Connector Diagram ...

Page 21: ...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 5 8 Tray Disc Removal A Œ SCREW DRIVER EMERGENCY HOLE ˇ SLIDER HOUSING TRAY DISC B C ˆ STOPPER ˆ STOPPER D ...

Page 22: ...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 5 9 Ass y P U Deck Removal Œ DCN2 ˆ HOOK HOOK DCN3 ˇ ASS Y P U DECK A B Assembly Point SLIDER HOUSING ...

Page 23: ...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 Assy 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 5 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 HOUSING...

Page 24: ...sembly 5 11 5 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 5 11 Sub Chassis Removal 4 SCREWS ˇ ASSY BRAK DECK Œ SOLDERING OF MOTOR FEED WIRE ...

Page 25: ...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 5 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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...1 4 Check PRF11 PRF14 Yes No Pulse is missing in PICF1 5 Replace PICF1 Check feed back Yes Yes No Yes No Power Free Voltage Standby LED OFF PFD01 error PDS01 voltage is missing Replace PQR11 Replace fuse Check PDS01 04 No No Yes Collector of PQR11 output normal voltage Check 2 d voltage No Operation of PQR11 is normal Replace PQR12 Yes No Switching operation of PQR11 is normal Replace PQR11 Check ...

Page 32: ...nd PICS4 2 Check the connection between PICS4 2 and pin 1 in VIC1 Check the soldering of VIC1 No No Check the connection between VIC1 and output jack Pin of VDD_2 5 VDD 3 3 in Zic1 has normal level Check the connection between pin 1 in PCNS1 and pin 3 in ZIC5 Yes No Peak to peak voltage level of pin 27 in VIC1 is 2V Video signal of about 1V appears at output jack Yes No Yes Check the RCA cable D S...

Page 33: ...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 34: ...8 1 8 Exploded View 8 1 Cabinet Assembly 8 2 Deck Assembly Page 8 2 8 3 ...

Page 35: ...Exploded Views 8 2 8 1 Cabinet Assembly 104 101 001 MAIN P C B 002 JACK P C B 102 109 106 108 108 CN1B 103 105 ...

Page 36: ...Exploded Views 8 3 8 2 Deck Assembly 107 H220 H106 H207 H200 H210 ...

Page 37: ...Exploded Views 8 4 MEMO ...

Page 38: ...4148 PDS01 TC11631 DIODE 1T5 PDS02 TC11631 DIODE 1T5 PDS03 TC11631 DIODE 1T5 PDS04 TC11631 DIODE 1T5 PDS11 TC11661 DIODE UF4007 PDS51 TC11651 DIODE 1N4148 AIC1 TC11751 IC AK4382VT AIC3 TC11481 IC M74HCU04 AOP1 TC11511 IC 4560 FIC1 TC11761 IC UPD780232 FIC2 TC11541 IC 7545 FIC4 TC11791 MODULE REMOCON MIC1 TC11361 IC 95C265 MIC2 TC11294 EPROM P315U MIC2 TC11295 EPROM P313U MIC3 TC11671 IC 24257 MIC4...

Page 39: ...E13381 CONNECTOR 35P DCN1A TE14001 CONNECTOR FY1 TE13901 RESONATOR 5MHZ HSW1 TE14021 SWITCH PCNS2 TE14291 CONNECTOR PFD01 TE13401 FUSE PICS6 TE13911 FUSE 1A 50V PICS7 TE13911 FUSE 1A 50V PLS01 TA14201 FILTER LINE SVJ1 TE13951 JACK SW1 TE13981 SWITCH TACT SW2 TE13991 SWITCH TACT VFD1 TE13921 DISPLAY VSW1 TE13971 SWITCH SLIDE 9 2 Electrical Parts List SYMBOL NO P NO DESCRIPTION SYMBOL NO P NO DESCRI...

Page 40: ...xial Yout Cout SIC1 KS1454 Servo DSP RIC1 KS1462 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 41: ...Block Diagram 10 2 MEMO ...

Page 42: ...11 1 11 PCB Diagrams 11 2 11 3 11 4 11 4 11 1 Main 11 2 Jack 11 3 Deck 11 4 Housing ...

Page 43: ...PCB Diagrams 11 2 11 1 Main COMPONENT SOLDER SIDE ...

Page 44: ...PCB Diagrams 11 3 11 2 Jack ...

Page 45: ...PCB Diagrams 11 4 11 3 Deck 11 4 Housing ...

Page 46: ...12 1 12 Wiring Diagram ...

Page 47: ...Wiring Diagram 12 2 MEMO ...

Page 48: ...s 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 1 Power 13 2 AV Decoder Main Micom Key 13 3 Servo 13 4 Video 13 5 Audio 13 6 Front Micom VFD Display 13 7 Deck Block Identification of PCB Main PCB Component Side Jack PCB Conductor Side ...

Page 49: ...Schematic Diagrams 13 2 13 1 Power ...

Page 50: ...Schematic Diagrams 13 3 13 2 AV Decoder Main Micom Key KEY ...

Page 51: ...Schematic Diagrams 13 4 13 3 Servo ...

Page 52: ...Schematic Diagrams 13 5 OPTION 13 4 Video ...

Page 53: ...Schematic Diagrams 13 6 OPTION OPTION 13 5 Audio ...

Page 54: ...Schematic Diagrams 13 7 OPTION OPTION 13 6 Front Micom VFD Display ...

Page 55: ...Schematic Diagrams 13 8 HOUSING PCB 13 7 Deck ...

Page 56: ...Copylight Hitachi Ltd 2001 All rights reserved DV P315U DV P313U Printed in Japan II Digital Media Products Division Tokai TK No 9101E DV P315U P313U DV P315U P313U ...

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