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Hitachi DVPF2E, Service Manual

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Hitachi DVPF2E Service Manual Download Page 56

E2-7-1

STANDARD MAINTENANCE

Service Schedule of Components

Notes:

1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / Audio Control Head / Full

Erase Head) using 90% lsopropyl Alcohol.

2.After cleaning the parts, do all DECK ADJUSTMENTS.

3.For the reference numbers listed above, refer to Deck Exploded Views.

* B73 ------ Recording Model only

h: Hours      : Check      

I

: Change

Deck

Periodic Service Schedule

Ref.No.

Part Name

1,000 h

2,000 h

3,000 h

4,000 h

B2

Cylinder Assembly

I

I

B3

Loading Motor Assembly

I

B8

Pulley Assembly

I

I

B27

Tension Lever Sub Assembly

I

I

B31

AC Head Assembly

I

B573,B574

Reel S, Reel T

I

B37

Capstan Motor

I

I

B52

Cap Belt

I

I

*B73

FE Head

I

B133

Idler Assembly

I

I

B410

Pinch Arm (A) Assembly

I

I

B414

M Brake S Assembly

I

I

B416

M Brake T Assembly

I

I

B525

LDG Belt

I

I

Summary of Contents for DVPF2E

Page 1: ... No 9208E DVPF2E DVPF2EUK July 2002 PAL OPEN CLOSE DVD VCR TIMER SET TIMER SET ST STANDBY ANDBY CST CST IN IN OUTPUT OUTPUT CHANNEL CHANNEL VIDEO IN VIDEO IN L mono mono R AUDIO IN UDIO IN OPEN CLOSE DVD VCR TIMER SET TIMER SET ST STANDBY ANDBY CST CST IN IN OUTPUT OUTPUT CHANNEL CHANNEL VIDEO IN VIDEO IN L mono mono R AUDIO IN UDIO IN ...

Page 2: ...EMENT PARTS LIST 3 2 1 Mechanical Parts List 3 2 1 Electrical Parts List 3 2 3 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 4 1 1 VCR SECTION Wiring Diagram 4 1 3 Main 1 8 Schematic Diagram 4 1 4 Main 2 8 Schematic Diagram 4 1 5 Main 3 8 Schematic Diagram 4 1 6 Main 4 8 Schematic Diagram 4 1 7 Main 5 8 Schematic Diagram 4 1 8 Main 6 8 Schematic Diagram 4 1 9 Waveforms 4 1 10 Main 7 8 Schematic Diagram...

Page 3: ...CHAPTER 1 GENERAL INFORMATION Product type DVD VCR player with Video Cassette Recorder Discs DVD video Audio CD Video Cassette tape Converter output UHF Channel 22 to 69 Power source 220 240V 10 50Hz 0 5 Power consumption 30 W standby 5 7 W Operating temperature 5 C to 40 C Dimensions W 17 1 8 435 mm H 4 99 mm D 10 1 2 266 mm Weight 8 8 lbs 4 kg Designs and specifications are subject to change wit...

Page 4: ...om the location shown in the figure When checking the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Do not look directly at the laser beam coming from the pickup or...

Page 5: ...cially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before solder ing F Observe that the wires do n...

Page 6: ...eakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power co...

Page 7: ...he flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pack I...

Page 8: ...ns of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing enti...

Page 9: ...ue to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi co...

Page 10: ...ll stop the function of Tape Start Sensor Tape End Sen sor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 1 Note Because the Tape End Sensors are inactive do not run a tape all the way to the start or the end of the tape to avoid tape damage About REC Safety Switch Caution The REC Safety Switch is directly mounted on the ...

Page 11: ...l 4 CASSETTE COMPARTMENT 5 REC OTR Light Lights up during recording 6 TIMER SET Light This light glows when the DVD VCR is in standby mode or off for a timer recording or during a One Touch Recording It flashes if the TIMER SET Button is pressed for a timer recording but there is no tape in the DVD VCR It flashes when all timer recordings or One Touch Recording are finished 7 Standby Power ON Butt...

Page 12: ...ection 29 REPEAT Button Repeats playback of the current disc title chapter or track 30 MODE Button Activates programme playback or random playback mode when playing CDs or MP3 Sets Black level or SRS TruSurround 31 ZOOM Button Enlarges part of a DVD reproduced image 32 CLEAR C RESET Button DVD mode Press to reset the setting VCR mode Press to reset the counter 33 ANGLE Button Press to change the c...

Page 13: ...of the DVD VCR either by pressing the OUTPUT Button on the front panel or by pressing the DVD or the VCR Button on the remote control However pressing only the OUTPUT Button on the front panel does not switch the output mode of the remote control If you want to use the remote control you always need to select the correct output mode on the remote control too 51 SETUP Button Press to enter the setu...

Page 14: ...r on No disc inserted Tray open Tray closed Loading the Disc Power off 1 Open the battery compartment cover 2 Insert two AA batteries with each one oriented cor rectly 3 Close the cover Notes Do not mix alkaline and manganese batteries Do not mix old and new batteries ...

Page 15: ...t 21 Pin scart cable here and to the 21 Pin scart jack of a TV 6 ANALOG AUDIO OUT Jacks DVD only Connect the supplied audio cables here and to the Audio In jacks of a television or other audio equipment 7 S VIDEO OUT Jack DVD only Connect an optional S Video cable here and to the S Video In jack of a television 8 DIGITAL COAXIAL AUDIO OUT Jack DVD only Connect an optional coaxial digital audio cab...

Page 16: ...n the front panel 4 CASSETTE COMPARTMENT 5 REC OTR Light Lights up during recording 6 TIMER SET Light This light glows when the DVD VCR is in standby mode or off for a timer recording or during a One Touch Recording It flashes if the TIMER SET Button is pressed for a timer recording but there is no tape in the DVD VCR It flashes when all timer recordings or One Touch Recording are finished 7 Stand...

Page 17: ...ts playback of a selected section 29 REPEAT Button Repeats playback of the current disc title chapter or track 30 MODE Button Activates programme playback or random playback mode when playing CDs or MP3 Sets Black level or SRS TruSurround 31 ZOOM Button Enlarges part of a DVD reproduced image 32 CLEAR C RESET Button DVD mode Press to reset the setting VCR mode Press to reset the counter 33 ANGLE B...

Page 18: ...for the remote control You can switch the output mode of the DVD VCR either by pressing the OUTPUT Button on the front panel or by pressing the DVD or the VCR Button on the remote control However pressing only the OUTPUT Button on the front panel does not switch the output mode of the remote control If you want to use the remote control you always need to select the correct output mode on the remo...

Page 19: ...r on No disc inserted Tray open Tray closed Loading the Disc Power off 1 Open the battery compartment cover 2 Insert two AA batteries with each one oriented cor rectly 3 Close the cover Notes Do not mix alkaline and manganese batteries Do not mix old and new batteries ...

Page 20: ...ct 21 Pin scart cable here and to the 21 Pin scart jack of a TV 6 ANALOG AUDIO OUT Jacks DVD only Connect the supplied audio cables here and to the Audio In jacks of a television or other audio equipment 7 S VIDEO OUT Jack DVD only Connect an optional S Video cable here and to the S Video In jack of a television 8 DIGITAL COAXIAL AUDIO OUT Jack DVD only Connect an optional coaxial digital audio ca...

Page 21: ... checksum in 3 of Fig e appears on the VFD Fig f At this time no buttons are available 6 For tray opening plug the AC cord into the AC out let 7 Turn the power on by pressing the power button and the tray will close HOW TO VERIFY THE FIRMWARE VERSION 1 After making sure that no disc is in unit turn the power on 2 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order The B E ve...

Page 22: ...ctuates No Yes No No Yes Does the photo coupler circuit on the secondary side operate normally Does the photo coupler circuit on the primary side operate normally Check the circuit and replace the parts IC1001 IC1002 D1013 Check the circuit and replace the parts IC1001 D1012 D1024 FLOW CHART NO 4 When buzz sound can be heard in the vicinity of the power circuit Check if there is any short circuit ...

Page 23: ...ON switch circuit operate normally Q1053 D1060 R1061 Replace Q1055 Replace IC1052 Check each component and replace Check PWRCON line Yes Yes No No Yes Yes Yes Yes Yes No No No No No FLOW CHART NO 11 The fluorescent display tube does not light up Is the voltage of 5V supplied Pin 6 and Pin 24 of IC2001 Is the voltage of approx 24V to 28V supplied to Pin 15 of IC2001 Is there 500kHz oscillation at P...

Page 24: ...out from Pin 1 terminal of the receiver when the infrared remote control is activated Is the L pulse signal supplied to Pin 26 of CN1001 from Pin 1 terminal of the remote control receiver Is the FFC Cable JW003 between CN1001 and DVD Main CBA Unit normal Replace DVD Main CBA Unit Yes Yes Yes Yes Yes Yes Is 5V voltage supplied to Pin 3 terminal of the remote control receiver Yes No No Check AL 5V l...

Page 25: ...chanism No improvement can be found No improvement can be found No FLOW CHART NO 6 No Disc is indicated When the focus servo is not functioning Yes Replace DVD Main CBA Unit Replace DVD Mechanism No FLOW CHART NO 7 The No Disc indication When the laser beam does not light up Yes Replace DVD Main CBA Unit Replace DVD Mechanism No FLOW CHART NO 8 Both functions of picture and sound do not operate no...

Page 26: ...S Y CN1601 12PIN IC1402 2PIN S C Are the video signals shown above inputted into each pin of IC1402 Are the video signals outputted to each pin of IC1402 Are the video signals outputted to the specific output terminal Are the composite video signals outputted to the VIDEO OUT terminal JK751 Are the composite video signals outputted to Pin 4 of IC751 Check or replace IC751 Are the composite video s...

Page 27: ...IO L IC1201 7PIN DVD AUDIO R Replace DVD Main CBA Unit or DVD Mechanism Check or replace IC1201 Check the periphery between Pins 1 7 of IC1201 and JK751 Replace DVD Main CBA Unit Check each line between each pin of the main unit connector CN701 and each pin of IC1201 CN1601 16PIN IC1201 2PIN DVD AUDIO L CN1601 18PIN IC1201 6PIN DVD AUDIO R Are the analogue audio signals inputted to each pin of IC1...

Page 28: ... operation is possible from the infrared remote control Operation is possible from the unit but no operation is possible from the remote control unit Replace the remote control unit if necessary Replace the and their periphery remote control receiver Check the line between the infrared remote control receiver and the Pin 14 of IC501 Replace IC501 Is the L pulse sent out from Pin 1 terminal of the ...

Page 29: ...tating Check or replace the Cassette Cam or Cassette Gear etc While the Takeup Reel is rotating is the reel pulse signal inputted to Pin 80 of IC501 While the reel pulse signal is inputting to Pin 81 of IC501 is Pin 81 of IC501 in L level Is the specified voltage approximately 13V outputted to the terminal of the Lading Motor Unit When loading a cassette tape does the LD SW operate normally When l...

Page 30: ...IC501 No No No No No No No No No No No No No Yes Yes Yes Is 5V voltage supplied to Pin 9 of CL502 Is the drum FG signal inputted to Pin 89 of IC501 Is the drum FG signal inputted to Pin 89 of IC501 Is the drum PG signal inputted to Pin 90 of IC501 Is the drum PG signal inputted to Pin 90 of IC501 Is 12V voltage supplied to Pin 11 of CL502 Is the RF SW signal outputted to Pin 18 of IC501 Is 12V pow...

Page 31: ...eir periphery Replace IC501 Check the line between Pin 77 of IC501 and Pin 2 of CL502 Check the cable connected to CL502 If it is normal replace the Capstan Motor Unit Replace IC501 In REC mode In PLAYBACK mode Is the drum FG signal inputted to Pin 89 of IC501 Is the RF SW signal outputted to Pin 18 of IC501 Is the D CONT signal outputted to Pin 77 of IC501 Is the D CONT signal outputted to Pin 77...

Page 32: ...Yes Yes Yes Yes Yes No Yes Pin 61 Yes No No No No No No Is the Video signal outputted to Pins 61 63 of IC301 Is the Video signal outputted to the emitter of Q103 Is the Video signal outputted to Pin 4 of IC751 Check IC301 X301 etc No Replace Q103 Check Q752 and the OUTPUT SEL line Replace IC751 Check the line between the emitter of Q103 and the video output terminal JK102 Check the line between Pi...

Page 33: ...tted into Pins 14 15 of IC751 Is each signal supplied to each pin of IC451 as below Front input terminal L ch R ch Pin 9 Pin 71 Pin 7 Pin 69 Pin 11 Pin 73 Pin 53 Pin 51 Rear input 1 terminal Rear input 2 terminal Tuner audio signal Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No No No No No Check the line between Pin 2 of IC1 and Pin 22 of tuner Check the line between Pin...

Page 34: ...f IC301 Is the audio signal supplied to Pin 11 of IC301 Are the CL504 the connected cable and the parts on the periphery of playback amplifier normal Is there no dirt on the surface of AC head Clean the surface of AC head Is the height of AC head appropriate Replace the AC head Replace IC301 Readjust the height of the AC head Check CL253 and the connected cable Check CL504 and the connected cable ...

Page 35: ...8 S 1 2 Front Assembly D2 S 1A CN505 2 L 1 Tray Panel 7 L 2 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 3 Top Bracket D2 4 S 2 4 Jack CBA D3 3 S 3 5 DVD Mecha Assembly D4 3 S 4 CN501 CN701 1 Top Cover 8 VCR Chasis Unit 6 DVD Main CBA Unit 5 DVD Mecha Assembly 2 Front Assembly 9 Deck Assembly 4 Jack CBA 3 Top Bracket 7 Rear Panel 10 Main CBA 13 Power Supply CBA 17 Insulator 15 Deck Pedestal 2 14 Deck Pedestal ...

Page 36: ...rk To avoid damage of pickup follow next procedures 2 1 Slide the pickup unit as shown in Fig D5 2 2 Short the three short lands of FPC cable with sol der before removing the FFC cable CN101 from it If you disconnect the FFC cable CN101 the laser diode of pickup will be destroyed Fig D5 2 3 Disconnect Connector CN401 Remove three Screws S 5 and lift the DVD Main CBA Unit Fig D5 CAUTION 3 When reas...

Page 37: ...ly 6 DVD Main CBA Unit CN401 S 5 S 5 S 5 View for B Pickup Unit C B Short the three short lands by soldering View for C Slide View for A OR Short the three short lands by soldering A Fig D5 S 7 S 7 S 6 7 Rear Panel Fig D6 S 9 S 9 S 8 S 8 S 8 8 VCR Chassis Unit CN002 CN001 Fig D7 ...

Page 38: ...t Cam Gear 10 Main CBA 9 Deck Assembly 10 Main CBA SW507 LD SW Pin Desolder Desolder Desolder Desolder Desolder BOTTOM VIEW From FE Head From Cylinder Assembly From AC Head Assembly Lead with blue stripe Lead with blue stripe From Capstan Motor Assembly Lead connections of Deck Assembly and Main CBA CN2002 Desolder from bottom Fig D8 ...

Page 39: ... 1 S 14 16 Side Bracket 14 Deck Pedestal 1 17 Insulator 13 Power Supply CBA 15 Deck Pedestal 2 S 11 S 11 Bracket L 3 Fig D9 HOW TO MANUAL EJECT 1 Remove the Top Case 2 Make a tool from a paper clip etc length approxi mately 50 mm maximum diameter approximately 3 mm as shown below 3 Insert the tool into the manual eject hole on the DVD Mecha Then push it until the tray is ejected ...

Page 40: ... 5 8 8 Loading Motor Assembly T DM1 DM7 Desolder LDG Belt 2 S 6 9 9 AC Head Assembly T DM1 DM7 S 7 10 2 Tape Guide Assembly T DM1 DM8 P 2 11 10 Door Opener B T DM1 DM8 L 1 L 2 12 11 Pinch Arm B T DM1 DM8 P 3 13 12 Pinch Arm A Assembly T DM1 DM8 14 14 FE Head T DM1 DM9 S 9 15 15 Prism T DM1 DM9 S 10 16 2 Slider Shaft T DM10 S 11 L 3 17 16 C Drive Lever L T DM10 18 16 C Drive Lever R T DM10 19 7 10 ...

Page 41: ...aner Lever Assembly and CL Post is not used 35 25 Loading Arm S B Assembly B DM2 DM15 Refer to Alignment Sec Pg E2 3 1 36 35 Loading Arm T B Assembly B DM2 DM15 Refer to Alignment Sec Pg E2 3 1 37 2 25 M Brake T HI Assembly T DM1 DM16 P 6 38 2 25 M Brake S HI Assembly T DM1 DM16 P 7 39 38 Tension Lever Sub Assembly T DM1 DM16 40 39 T Lever Holder T DM1 DM16 L 6 41 2 M Gear HYT T DM1 DM16 C 7 42 2 ...

Page 42: ...E2 2 3 14 13 11 10 12 7 50 8 33 44 42 31 32 41 43 46 45 47 9 37 15 39 40 38 Fig DM1 Top View Fig DM2 Bottom View 35 19 36 24 25 27 26 23 28 34 20 29 22 ...

Page 43: ...h these structures are different they are compatible 3 4 5 6 S 3 S 2 S 4 P 1 Fig DM5 1 S 1 S 1 Fig DM3 2 Pin A Slots B Pin C Pin B Pin D Locking tab View for A Pull up Slide Slot A Slot A First while pushing the locking tab as shown in the right slide and pull up the right side on 2 to release Pin A and Pin B from the slots A Then remove Pin C and Pin D on 2 from the slots B as shown 1 2 A Fig DM4...

Page 44: ...12 are in the grooves of 28 as shown 11 13 12 A 10 L 1 P 3 Adj Screw P 2 L 2 View for A Fig DM8 17 16 18 S 11 L 3 After removing the Screw S 11 while pressing the Locking Tab L 3 remove 16 Fig DM10 8 9 S 7 S 6 LDG Belt A Fig DM7 8 View for A Desolder from bottom Lead with White Stripe 14 15 S 10 S 9 Fig DM9 ...

Page 45: ...E2 2 6 S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...

Page 46: ...C 6 Pin of 37 Pin of 34 Position of Mode Lever when installed Pin of 38 23 P 4 C 3 P 4 28 28 23 When installing 23 install the spring P 4 to 28 as shown in the left figure and then install 23 while pressing the spring P 4 to the direction of the arrow in the left figure and confirming that the position of the spring P 4 is placed as shown in the left figure Pin on bottom of 23 Pin on 22 Position o...

Page 47: ...E2 2 8 36 34 33 P 5 L 5 35 Refer to the Alignment Section Page E2 3 1 Fig DM15 L 6 P 7 P 6 C 7 38 44 41 39 43 37 40 turn turn turn 42 C 8 Fig DM16 45 46 47 L 7 Fig DM17 49 48 Slide Fig DM18 ...

Page 48: ...e mechanical or electrical parts Alignment points in Eject Position Alignment 1 Loading Arm S and T Assembly Install Loading Arm S and T Assembly so that their triangle marks point to each other as shown in Fig AL2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm T Assembly so that the last tooth of the gear meets the most inside teeth of the Mode Gear...

Page 49: ...nstall the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear A as shown in Fig AL4 Cam Gear A First tooth First groove on the Cam Gear A Alignment 3 Top View Gear on Rack Assembly Fig AL4 ...

Page 50: ...pe Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape MH 2 Head Switching Position Adjustment Purpose To determine the Head Switching point during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Play back the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 video output wav...

Page 51: ...pecial Driver No 7099028 FIXTURE AND TAPE FOR ADJUSTMENT How To Use The Fixtures And Tape Item No Name Part No Adjustment 1 Alignment Tape 7099052 I Head Switching Point I Tape Interchangeability Alignment 2 Special Driver 7099028 I Guide Roller ...

Page 52: ...t the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turning when the preparations begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the cassette...

Page 53: ... the X value and envelope Not good Do the final tape traveling test to see that the tape runs normally in play mode with out creasing or slacking Completion Not good OK OK OK Not good Not good OK Flowchart of Alignment for tape traveling 1 A 1 A 1 B 1 C 1 C 1 D 1 D 1 B 1 C 1 B 1 C 1 A 1 Tape Interchangeability Alignment Note To do these alignment procedures make sure that the Tracking Control Circ...

Page 54: ...isalignment If the Horizontal Position of the Audio Control Erase Head is not properly aligned maximum envelope can not be obtained at the Neutral position of the Tracking Control Circuit 1 Connect the oscilloscope to TP301 C PB and TP503 CTL on the Main CBA Use TP504 RF SW as a trigger Connect the oscilloscope to TP301 C PB and TP503 CTL on the Main CBA Use TP504 RF SW as a trigger 2 Play back th...

Page 55: ...uide Roller 2 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 4 If the envelope is as shown in Fig M8 adjust the height of Guide Roller 3 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 5 When Guide Rollers 2 and 3 Refer to Fig M3 are aligned properly there is no envelope drop either at the beginning or end of track as shown in Fig M9 Note Upon compl...

Page 56: ...e refer to Deck Exploded Views B73 Recording Model only h Hours Check I Change Deck Periodic Service Schedule Ref No Part Name 1 000 h 2 000 h 3 000 h 4 000 h B2 Cylinder Assembly I I B3 Loading Motor Assembly I B8 Pulley Assembly I I B27 Tension Lever Sub Assembly I I B31 AC Head Assembly I B573 B574 Reel S Reel T I B37 Capstan Motor I I B52 Cap Belt I I B73 FE Head I B133 Idler Assembly I I B410...

Page 57: ...rd material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth Cleaning of Audio Control Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 isopropyl alcohol and clean the audio control head Be careful...

Page 58: ...2 2L022 2L022 2L036 2L035 2L022 2L054 2L034 2L034 2L034 2L041 2L041 2L041 2L041 2L041 A2 2L041 2L041 A B Main CBA Sensor CBA Sensor CBA 2B1 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence AFV CBA 2B6 2B40 JW005 JW008 JW007 JW009 A1X 2L054 Function CBA RM2001 A4 2L062 2L031 2L031 2L031 2L037 JW006 2B11 2L034 2L034 2B33 2B33 2L053 2L053 AC1001 2B41 Power Suppl...

Page 59: ... Floil G 374G Blue grease Some Ref Numbers are not in sequence Bottom Side Grease point B569 B513 B502 B570 B491 B565 L1151 B525 B522 B31 L1406 B148 B521 B520 B416 B518 B564 B487 B573 B574 B499 B27 B508 B414 B505 B572 B558 B557 B568 B417 B585 B3 SLIDUS OIL 150 B587 Note Both the TENSION LEVER SUB ASSEMBLY MK11 B27 and the TENSION LEVER ASSEMBLY MK11 B587 can be used B551 Bottom Side Grease point B...

Page 60: ...s B359 CLEANER LEVER B360 CLEANER ROLLER B361 CL POST etc These types of B529 CLEANER ASSEMBLY are compatible and there is no problem when using either but it is recommended that you replace the assembly with the same type if possible Refer to Table 1 for details and the combination also refer to the mechanical parts list on page 3 2 1 Type B529 B359 B360 B361 CLEANER ASSEMBLY CLEANER LEVER CLEANE...

Page 61: ...2 TS17712 LOADING ARM S ASSEMBLY B27 TS17446 TENSION LEVER SUB ASSEMBLY B31 TS17447 AC HEAD B35 TS17448 TAPE GUIDE B37 TJ16031 CAPSTANMOTOR SYMBOL NO P NO DESCRIPTION B52 TJ15161 CAP BELT B73 TS17499 FE HEAD B74 TJ15163 PRISM B121 TJ15982 WORM B126 TJ15983 PULLEY B133 TJ15288 IDLER ASSEMBLY B148 TE12612 TG CAP B300 TJ15169 CASSETTE DRIVE LEVER R B303 TJ15986 FDOOR OPENER B313 TJ15172 CASSETTE DRIV...

Page 62: ... GEAR B582 TJ15311 TR GEAR SPRING B583 TJ14034 REEL WASHER B584 TJ15312 TR GEAR SHAFT B585 TJ16009 WASHER B587 TS17714 TENSION LEVER ASSEMBLY L1051 TJ14055 SCREW M2 6X6 L1053 TJ15313 SCREW M2 6X8 L1151 TJ15236 SCREW M2 6X4 L1191 TJ15313 SCREW M2 6X8 L1321 TJ10176 SCREW M3X6 L1341 TE13298 SCREW M2 6X6 L1406 TJ15238 AC HEAD SCREW L1450 TE12971 SCREW M2 6X5 L1461 TJ14061 SCREW M2 6X6 L1466 TJ14066 SC...

Page 63: ...HING DIODE 1SS133 T 77 SYMBOL NO P NO DESCRIPTION D1008 TJ14082 SCHOTTKY BARRIER DIODE SB340 D1009 TJ15128 RECTIFIER DIODE FR202 D1010 TC10753 RECTIFIER DIODE ERA18 04 D1011 TC12441 RECTIFIER DIODE BA159 D1012 TC10112 SWITCHING DIODE 1SS133 T 77 D1013 TC10604 ZENER DIODE MTZJT 779 1C D1014 TJ13896 ZENER DIODE MTZJT 775 1C D1015 TC12191 ZENER DIODE DZ 6 8BSBT265 D1016 TJ15333 RECTIFIER DIODE FR101 ...

Page 64: ... TRANSISTOR KRC103M Q1502 TC12591 TRANSISTOR KRC103M Q2022 TC10784 TRANSISTOR KTA1266 GR PS502 TJ15282 PHOTO INTERRUPTER RPI 302C70 TRANSFORMER T001 TA14611 PULSE TRANS CSA SW0120A COILS L1 5121287 INDUCTOR 10UH SYMBOL NO P NO DESCRIPTION L3 TJ15421 INDUCTOR 18UH L4 5121287 INDUCTOR 10UH L008 TJ13909 CHOKE COIL 47UH L052 TJ13909 CHOKE COIL 47UH L053 TA12561 INDUCTOR 100UH L101 TA12047 BEAD CORE L1...

Page 65: ...7P JW009 TE15325 PARALLEL WIRE 6P RM2001 TC12331 REMOTE RECEIVER PIC 37043LU SW501 TE11957 TACT SWITCH SW502 TE11957 TACT SWITCH SW503 TE11957 TACT SWITCH SW504 TE11957 TACT SWITCH SW505 TE11957 TACT SWITCH SW506 TE15326 LEAF SWITCH SW507 TJ15142 ROTARY MODE SWITCH SW508 TE11957 TACT SWITCH SW651 TE11957 TACT SWITCH SW652 TE11957 TACT SWITCH SW653 TE11957 TACT SWITCH SW654 TE11957 TACT SWITCH SW20...

Page 66: ...g The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages are 1 4W or 1 6W unless other wise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specified 6 Electrical parts such as capacito...

Page 67: ...nly original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Mode SP REC 6 Voltage indications for PLAY and REC modes on the schematics are as shown below 7 How to read converge...

Page 68: ...TL 5 CTL 6 Hi Fi A R 7 Hi Fi COM 8 Hi Fi A L 9 V COM 5 V R 2 6 V R 1 1 V COM 2 V L 2 3 V L 1 4 AL 15V 12V 12 C F R 11 P ON 5V 10 AL 12V 1 9 GND 8 C FG 7 C CONT 6 GND 5 D FG 4 LM FWD REV 3 D CONT 2 D PG 1 FE H 2 FE H GND 1 CL501 CL502 CL504 CL253 CAPSTAN MOTOR FULL ERASE HEAD FE HEAD VIDEO R 1 HEAD VIDEO L 1 HEAD VIDEO L 2 HEAD VIDEO R 2 HEAD Hi Fi AUDIO R HEAD Hi Fi AUDIO L HEAD M DRUM MOTOR PG SE...

Page 69: ...4 1 4 Main 1 8 Schematic Diagram ...

Page 70: ...OUT E E 10usec 50mV x 10 Waveforms TP751 of Main CBA WF1 UPPER WF2 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50usec TP751 of Main CBA TP504 of Main CBA WF3 C PB 10mV x 10 RF SW 0 5V x 10 5msec UPPER LOWER WF2 TP504 of Main CBA TP301 of Main CBA ...

Page 71: ...4 1 6 Main 3 8 Schematic Diagram ...

Page 72: ...4 1 7 Main 4 8 Schematic Diagram ...

Page 73: ...4 1 8 Main 5 8 Schematic Diagram ...

Page 74: ...4 1 9 Main 6 8 Schematic Diagram ...

Page 75: ...E WF1 WF3 WF6 SPDIF Pin 21 of CN1601 1V 0 2usec WF1 Pin 8 of CN1601 WF3 Pin 12 of CN1601 WF4 AUDIO L Pin 16 of CN1601 1V 0 5msec WF5 AUDIO R Pin 18 of CN1601 1V 0 5msec WF2 Pin 10 of CN1601 VIDEO Y 0 2V 20usec VIDEO CVBS 0 5V 20usec VIDEO C 0 2V 20usec Waveforms ...

Page 76: ...4 1 11 Main 7 8 Schematic Diagram ...

Page 77: ...4 1 12 Main 8 8 Schematic Diagram ...

Page 78: ...lectable power supply circuit is used in this unit If Main Fuse F001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail CAUTION FORCONTINUEDPROTECTIONAGAINSTFIREHAZARD REPLACE ONLY WITHTHE SAME TYPE FUSE ...

Page 79: ...G a d g c b e f 1 3 2 4 5 DVD VCD PBC STANDBY A B REPEAT TRK CHP TITLE 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f g c d e f g c d e f g c d e f g c d e f g h i a b a b a b a b a b FL2001 MATRIX CHART STANDBY TITLE CHP TRK CD V PBC DVD REPEAT A B 1 3 2 4 5 ...

Page 80: ...4 1 15 Front Jack Schematic Diagram Note When it is necessary to replace one or more of the following Diodes all four should be replaced D651 D652 D653 D654 2 ...

Page 81: ...4 1 16 AFV Schematic Diagram ...

Page 82: ...4 1 17 CTL TP503 V OUT TP751 WF1 S INH TP501 END S TP502 RF SW TP504 WF2 SW P VR501 C PB TP301 WF3 Sensor CBA Top View Main CBA Top View Sensor CBA Top View ...

Page 83: ...4 1 18 Main CBA Bottom View ...

Page 84: ...e power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail BECAUSE A HOT CHASSIS GROUND IS PRESENT INTHE POWER SUPPLY CIRCUIT AN ISOLATIONTRANSFORMER MUST BE USED ALSO IN ORDERTO HAVETHE ABILITYTO INCREASETHE INPUT SLOWLY WHENTROUBLESHOOTINGTHISTYPE POWER SUPPLY CIRCUIT AVARIABLE ISOLATIO...

Page 85: ...4 1 20 Function CBA Top View Function CBA Bottom View ...

Page 86: ...4 1 21 Front Jack CBA Top View Front Jack CBA Bottom View ...

Page 87: ...4 1 22 AFV CBA Top View AFV CBA Bottom View Junction A CBA Bottom View Junction A CBA Top View Junction B CBA Bottom View Junction B CBA Top View ...

Page 88: ...WRCON 20 FP STB 21 FP DIN 22 FP DOUT 23 FP CLK 24 CN501 EV 2 5V 3 25 26 OC KEY REMOTE2 CN3001 SW CBA M SLIDE MOTOR RELAY CBA 19 20 21 GND CD PD CD LD CD DVD 1 2 3 4 5 6 7 8 9 10 11 DETECTOR FS TS LOADING MOTOR CN302 1 FERS 2 GND 3 RDY HIF 4 SCL 5 SDA 6 BUSCLR NO CONNECTION 7 SENSJ CN201 1 MONI0 2 MONI2 3 JITTER 4 GND NO CONNECTION TO WIRING DIAGRAM VCR SECTION TO MAIN CBA CN1001 TO MAIN CBA CN1601...

Page 89: ...4 1 24 DVD Main 1 4 Schematic Diagram ...

Page 90: ...4 1 25 DVD Main 2 4 Schematic Diagram ...

Page 91: ...4 1 26 DVD Main 3 4 Schematic Diagram ...

Page 92: ...4 1 27 DVD Main 4 4 Schematic Diagram ...

Page 93: ...NV 6 P ON H C POW SW P ON H C POW SW P DOWN L 67 66 86 P DOWN L OUTPUT SELECT SW506 TO VIDEO BLOCK TO Hi Fi AUDIO BLOCK TO AUDIO BLOCK 2 2 KEY 2 6 6 POWER LED 4 4 CAS LED 5 5 TIMER LED KEY SWITCH CN505 D651 D653 D652 D654 CN651 AL 5V AL 5V FRONT JACK CBA SDA SCL IC502 MEMORY 72 61 19 83 IIC BUS SCL D V SYNC D REC H DAVN L RF SW H A SW C ROTA IIC BUS SDA H A COMP V ENV OUTPUT SELECT IIC BUS SCL 71 ...

Page 94: ...1 V OUT1 V IN1 19 20 11 15 7 JK102 V OUT2 V IN2 61 63 96 95 94 93 90 89 88 87 CHARA INS CCD 1H DELAY SP BYPASS MUTE PB EE IN1 TUNER IN1 TUNER MUTE PB EE FRT IN2 FRT IN2 AGC P R R Y C P R P R P EP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 BUFFER Q104 BUFFER Q103 DVD VCR TP751 V OUT WF1 TU VIDEO VIDEO BUFFER Q301 MAIN CBA FRONT JA...

Page 95: ...1 6 PB ON SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS 15 13 17 4 A PB REC CL504 3 A COM 1 AE H 2 FE H A PB REC 4 A COM 3 AE H 1 FE H 2 CL287 AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE H 1 FE H GND CL501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 A MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK FULL ERASE HEAD 68 69 SERIAL DECODER DE...

Page 96: ...FRONT JACK CBA Hi Fi A R 7 Hi Fi COM 8 Hi Fi A L 9 CL253 IC451 MTS SAP Hi Fi AUDIO PROCESS Hi Fi HEAD AMP REC AUDIO SIGNAL PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA JK101 A IN1 R A IN1 L 2 6 2 6 1 3 1 3 JK102 A IN2 R A IN2 L A OUT1 R A OUT1 L A OUT2 R A OUT2 L TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN505 CN1 SIF 2 2 CN701 CN651 CN1 TU701 SIF AUDIO 22 2 D C ALC SW SW ALC D C 76 75 Q451 MUTE...

Page 97: ...SHUNT REG Q1054 Q1055 Q1057 Q1053 Q1051 Q1052 SW 12V CN002 CN051 CL051 1 AL 44V 1 2 AL 12V 2 6 P DOWN 6 4 AL 5V VCR 4 JUNCTION B CBA CN001 CN050 CL050A CL050B 1 AL 5V DVD 3 AL 30V 6 AL 15 5V VCR 7 AL 15 5V DVD JUNCTION A CBA 9 AL 9V 11 AL 3 3V 13 F2 14 1 3 6 7 9 11 13 14 F1 1 3 6 7 9 11 13 14 1 2 6 4 TO PIN 67 OF IC6001 TO PIN 86 OF IC6001 TO PIN 66 OF IC6001 CAUTION FOR CONTINUED PROTECTION AGAIN...

Page 98: ...TB FP DIN FP DOUT FP CLK GRID FIP SEGMENT FL2001 IC2001 DVD MAIN CBA UNIT FUNCTION CBA MAIN CBA FG CBA RELAY CBA FRONT PANEL CONTROL BLOCK DIAGRAMS DVD SECTION TREV TIN TOUT TFWD MUTE PS CD DVD CFE CAS STANDBY ADDRESS BUS DATA BUS CD DVD CFE CAS STANDBY 71 62 63 70 SCK 72 STDIO SEN SCK STDIO 13 14 16 3 4 FG SENSOR CN401 FP STB 21 21 FP DIN 22 22 FP DOUT 23 23 FP CLK 24 24 REMOTE2 26 26 FP STB 2 2 ...

Page 99: ...02 AMP FOCUS MOTOR DRIVE TRACKING MOTOR DRIVE LOADING MOTOR DRIVE SPINDLE MOTOR DRIVE POWER SAVE SLIDE MOTOR DRIVE LOADING MOTOR SPINDLE MOTOR SLIDE MOTOR M 5 21 2 1 23 26 25 27 22 24 4 67 115 114 118 117 DVD MAIN CBA UNIT FROM TO DVD SYSTEM CONTROL BLOCK DIAGRAM FROM TO DVD SIGNAL PROCESS BLOCK DIAGRAM SCK CD DVD TESTSG ARF NARF STDIO SEN 11 STANDBY TRAY IN 3 GND 5 TRAY OUT 4 TRAY IN TRAY OUT DAC...

Page 100: ...L VCO CPU INTERFACE VIDEO AUDIO INTERFACE DVD DEMODULATOR MEMORY MANAGER 172 168 166 164 160 158 151 149 82 TO DVD VIDEO BLOCK DIAGRAM BCA DATA VIDEO AUDIO SIGNAL DVD MAIN CBA UNIT FROM TO DVD SYSTEM CONTROL BLOCK DIAGRAM CPUDT0 NINT1 ADDRESS BUS DATA BUS NINT2 NINT1 NINT2 WAIT RE WEL CS1 RESET WAIT RE WEL CS1 RESET CPUDT7 30 22 17 9 44 37 CPUADR0 CPUADR17 2 5 6 36 35 34 47 OSCI1 X201 16 9344MHz O...

Page 101: ...DRAM ARBITER SHARED SDRAM INTERFACE I F VIDEO DECODER AUDIO DECODER CACHE SUBSYSTEM CPU VIDEO FILTERING OSD SP DECODER MIXING CD FIFO SDRAM BLOCK MOVE DENC SPDIF PCM LRCLK PCM SCLK PCM DATA0 PCM BCK FROM DVD SIGNAL PROCESS BLOCK DIAGRAM TO DVD AUDIO BLOCK DIAGRAM DVD MAIN CBA UNIT ADAC MD ADAC MC ADAC ML 191 190 189 192 TO DVD AUDIO BLOCK DIAGRAM A MUTE ADAC MD ADAC MC ADAC ML A MUTE 48 97 102 84 ...

Page 102: ... 13 14 15 16 FROM DVD VIDEO BLOCK DIAGRAM SERIAL PORT SERIAL CONTROL 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENPHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP L CH R CH LPF AMP DAC ZERO DETECT SYSTEM CLOCK 1 2 6 7 5 TO AUDIO BLOCK DIAGRAM VCR SECTION PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA UNIT AUDIO SIGNAL DATA AUDIO SIGNAL 21 2...

Page 103: ...FWD H LM REV L RS EJ Loading REV LM FWD L LM REV H Stop A Loading Stop B Unloading Note Symbol Loading Status EJ Eject CL Eject REW Reel SB REW Reel Stop B TL Stop B Brake Cancel FB Brake Cancel SF Stop A AU Stop A Play REC AL Play REC Still Slow SS Still Slow Capstan Reversal GC Capstan Reversal RS REW Search RS RS REW Search Fig 1 18 RF SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 1...

Page 104: ...T BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first rise of RF SW after a rise in F AD signal 18 RF SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA Fig 2 ...

Page 105: ...LD REV LD REV LD FWD LD FWD LD REV LD REV LD REV 0 5S PIN NO CL EJ SB TL SB GC FB GC SS AL SS AU AU TL LD SW CL GC LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON POWER OFF STOP PLAY RS FS STILL SLOW PLAY STOP PLAY A MUTE H D REC H D PB L DISPLAY PAUSE SLOW AU RS AL AL AL SF SS AL AU AU AU SF FB SF SF AL AL 2 5S 0 2S EJ AL RS SF AU TL FB SS SB 0 2S 0 8S 0 3S 1 0S 0 2S 0 2S 0 2S 1 2S 0 4S 0 2...

Page 106: ... LD REV LD REV LD REV FF PIN NO SF FB TL AL GC FB GC SS AL SS AU AU TL LD SW CL GC LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON STOP FF STOP REW STOP REC REC REC PAUSE STOP A MUTE H D REC H D PB L DISPLAY PAUSE REC or PAUSE STOP EJECT STOP EJECT STOP EJECT AU FB FB AU SS GC RS AL AL SF FB TL SB CL EJ RS SS GC AL AU AU AU FB SF SF SF SF SF AU AL AL FB SF EJ AL RS SF AU TL FB SS SB 0 2S 0 4...

Page 107: ...2 LSW1 LM LM I o TL123 SP TP122 Tv TL122 0V 5V 0V Tray close Tray open Tray close Play Play Tray open Play 0V Eject key on 6V 2V 5V 0V Disc Rotation Eject key on 2V 2 0s 0V 6V 4 4s 1 2s 700ms 1 7s 0V DVD Section ...

Page 108: ... Pulse H L 19 OUT Hi Fi H SW HiFi Audio Head Switching Pulse H L 20 IN DAVN L VPS PDC Data Receive L L 21 N U Not Used 22 N U Not Used 23 OUT POWER LED POWER LED Signal Output H L 24 OUT CAS LED CASSETTE LED Signal Output H L 25 OUT TIMER LED TIMER LED Signal Output H L 26 OUT REC LED REC LED Signal Output H L 27 N U Not Used 28 OUT RGB THROUGH SCART 2 RGB Through Control Signal L Hi z 29 OUT DVD ...

Page 109: ...T D CONT Drum Motor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L 79 IN S REEL Supply Reel Rotation Signal PULSE 80 IN T REEL Take Up Reel Rotation Signal PULSE Pin No IN OUT Signal Name Function Active Level 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z 82 OUT DVD POWER DVD Power Control Signal L 83 OUT A MUTE H Audio Mute Control Signal Mute H H 8...

Page 110: ...EY 1 Segment Output Key Souce 1 8 Out b KEY 2 Segment Output Key Souce 2 9 Out c Segment Output 10 Out d KEY 4 Segment Output Key Souce 4 11 Out e Segment Output 12 In f 13 In g 14 Out h 15 VEE Pull Down Level 16 Out i Segment Output 17 Out 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 In OSC Oscillator Input 27 Out DOUT Serial Data Output 28 In DIN Serial Da...

Page 111: ...Y 2SA966 Y 2SC2001 K L 2SA1020 Y 2SB892 S 2SC3266 Y TPE2 2SA1015 GR TPE2 E C B A K C E LTV 817 B C F G D S FS2KM 18A KIA78R33PI PQ3RD13 1A 1 4 8 5 NJM4558D KIA4558P 28 15 14 PT6315 S TP 1 R A K KIA431 AT 1 2 3 4 PQ018EF01SZ 34 18 17 MM1567AJBE 1 81 80 31 100 50 30 1 51 QSZAD0RMB132 QSZAB0RMB132 QSZAC0RMB132 LA71750AM MTB 16 9 8 TC4053BF N BU4053BCF E2 1 MID 32A22 PT204 6B 12 E C 5 4 8 1 BR24C02F W...

Page 112: ...89 991 80 224 Email rplan hitachi eu com Hotline 49 180 551 25 51 12ct min Email HSE DUS Service Hitachi eu com HITACHI EUROPEAB HITACHI EUROPE SRL Box 77 Via T Gulli n 39 S 164 94 KISTA 20147 MILAN SWEDEN ITALY Tel 08 562 711 00 Tel 02 487861 Fax 08 562 711 11 Fax 02 48786381 Servizio Clienti Email csgswe hitachi eu com Tel 02 38073415 Email customerservice italy hitachi eu com HITACHI EUROPE LTD...

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