JVC HM-HDS1U Скачать руководство пользователя | Manualshive

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Fig. COM3

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Fig. COM6

<Note 5>
Fan motor

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Display board
assembly

LED/SW
board assembly

LED board assembly

Jack
board assembly

Eject SW
board assembly

3

2

5

CN5325

CN5326

WR8

WR5
Foil side
<Note 1>

WR4
Foil side
<Note 1>

WR6

WR7

CN5321

CN5322

(L6)
Spacer
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(L6)

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<Note 4>

CN5323

4

27

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WR3
Supporting
tape side
<Note 1>

(L4)

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<Note 5>

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CN5301

26

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Содержание HM-HDS1U

Страница 1: ... 14 W Temperature Operating 5 C to 40 C 41 F to 104 F Storage 20 C to 60 C 4 F to 140 F Operating position Horizontal only Dimensions WxHxD 435 mm x 124 mm x 385 mm 17 1 16 x 4 15 16 x 15 3 16 Weight 7 4 kg 16 4 lbs Input Output RCA connectors IN x 1 OUT x 2 S Video connectors IN x 1 OUT x 2 HDD DECK VIDEO AUDIO Video format MPEG2 VBR Audio format MPEG1 Layer2 Maximum recording time SP 14 hours LP...

Страница 2: ... inner package carton only for transport ing an HDD s Do not stack package cartons one upon another 1 2 Handling an HDD in the stand alone status s When handling an HDD on a hard workbench place an antistatic mat rubber sheet or similar object on the hard surface to prevent any impacts occurring between the HDD and bench s Do not stack the HDDs one upon another s Do not knock an HDD with a hard ob...

Страница 3: ...ode 7b from the remote jig for more than 2 seconds 2 The REC LINK button on the computer blinks indicating that the power supply can be switched ON 3 When the code 7B is transmitted again from the remote jig the button stops blinking and its function is canceled Initial mode Data code Custom code 43 A code 52 B code HDD OK HM HDS1 POWER BS DIGIATL CHANNEL Blinks ASIC_IF MPEG_DEC 40GB HDD IC8201 IC...

Страница 4: ...stment of the Tension Pole Position 2 18 3 ELECTRICAL ADJUSTMENT VHS 3 1 PRECAUTION 3 1 3 1 1 Required test equipments 3 1 3 1 2 Required adjustment tools 3 1 3 1 3 Color colour bar signal Color colour bar pattern 3 1 3 1 4 Switch settings and standard precautions 3 1 3 1 5 EVR Adjustment 3 1 3 2 SERVO CIRCUIT 3 2 3 2 1 Switching point 3 2 3 2 2 Slow tracking preset 3 2 TABLE OF CONTENTS Section T...

Страница 5: ...e specified for compli ance with recognized codes pertaining to X ray emission Consequently when servicing these products replace the cath ode ray tubes and other parts with only the specified parts Under no circumstances attempt to modify these circuits Unauthorized modification can increase the high voltage value and cause X ray emission from the cathode ray tube 12 Crimp type wire connector In ...

Страница 6: ... between terminals and surrounding metallic parts See table 1 below 4 Leakage current test Confirm specified or lower leakage current between earth ground power cord plug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between earth ground power cord ...

Страница 7: ...e spare parts list 5 Adjustment information for installation Fig 1 1 1 1 2 3 4 5 Step Loc No Fig No Point Note Part name Top cover Bracket COM1 4 S1 3 S2 2 L1 L2 2 S3 1 Front panel assembly COM2 8 L3 CN7507 WR1 CN3011 WR2 Note 1 2 3 4 2 1 3 DISCONNECTION OF CONNECTORS WIRES CONNECTOR FPC CONNECTOR FPC Fig 1 3 1 Fig 1 3 2 Fig 1 3 3 Fig 1 3 4 CONNECTOR FPC Fig 1 3 5 CONNECTOR FPC CONNECTOR FPC 1 4 S...

Страница 8: ...y or Regula tor board assembly unhook the several spacers connect ing it with pliers from the top side Note 5 Perform the work by leaving fan motor attached to the rear cover except when replacing the fan motor When attaching the rear cover please be careful with the wiring 1 5 2 Disassembly assembly method COM section Fig COM1 7 S2 5 S2 4 S1 3 S1 6 S2 2 S1 1 S1 1 L1 L2 1 Top cover 8 S3 9 S3 Brack...

Страница 9: ...14 S4 18 S4 13 S4 12 S4 11 S4 10 S4 23 S4 Display board assembly LED SW board assembly LED board assembly Jack board assembly Eject SW board assembly 3 2 5 CN5325 CN5326 WR8 WR5 Foil side Note 1 WR4 Foil side Note 1 WR6 WR7 CN5321 CN5322 L6 Spacer Note 4 L6 Spacer Note 4 CN5323 4 27 S5 WR3 Supporting tape side Note 1 L4 Spacer Note 5 L5 CN5301 26 S5 ...

Страница 10: ...the Main board assembly take care not to damage the sensors on the Main board assembly D3001 LED Q3002 Start sen sor Q3003 End sensor S3002 S cassette switch Fig 1 Fig 2 Fig 3 Procedures for Lowering the Cassette holder assembly As the mechanism of this unit is integrated with the Housing assembly the holder must be lowered and the two screws un screwed when removing the Mechanism assembly Procedu...

Страница 11: ...3 Note 4 4 S3 Note 4 WR11 Foil side Note 2 6 S9 7 S10 2 8 S3 10 S5 9 S3 WR16 Foil side Note 2 CN5322 CN703 WR15 CN2601 CN3014 WR4 Foil side Note 2 WR5 Foil side Note 2 WR14 Foil side Note 2 CN5321 3 Fig V4 11 S3 14 S5 13 S5 12 S5 4 Note When installing the Mechanism assembly secure the screws S8 in the order of a b ...

Страница 12: ...ire to the connector be sure to connect it in the correct orientation Note 4 When removing the board assembly take care not to dam age it Fig H1 Fig H2 1 Hard disk drive assembly 2 Hard disk drive 3 Digital board assembly 1 7 HOW TO REMOVE THE MAJOR PARTS HDD section 1 7 1 Disassembly flow chart This flowchart shows the disassembly procedure for the ex terior parts and electrical parts Basically r...

Страница 13: ...sembly A 1 2 6 7 3 4 5 B E CN7507 CN3011 CN3014 CN703 CN2601 CN7508 CN7509 CN5322 CN5321 C D CN8801 CN8601 CN8002 Fig 1 8 1 Service position VHS side Table 1 8 1 Installation 1 Stand up the bottom chassis assembly so that the Regu lator side is in the lower position 2 Connect the PATCH CORD to the three FPCs then con nect CN3014 CN7508 and CN7509 3 By connecting a total of two FPCs and wires CN703...

Страница 14: ...lator board assembly Table 1 8 3 SYMBOL CONNECTOR WIRE CONNECTIONS PIN No PATCH CORD I II 1 MAIN CN7507 JACK CN7002 10 A I II 2 MAIN CN3011 DISPLAY CN7001 18 B I 3 TERMINAL CN703 DIGITAL CN8601 6 C I 4 MAIN CN7508 REGULATOR CN5322 11 I 5 MAIN CN7509 REGULATOR CN5321 15 I 6 MAIN CN2601 DIGITAL CN8801 8 D I II 7 MAIN CN3014 DIGITAL CN8002 6 E II 8 DIGITAL CN8001 HARD DISK DRIVE 40 II 9 REGULATOR CN5...

Страница 15: ...the Pro cedures for Lowering the Cassette holder assembly on page 1 5 of 1 6 HOW TO REMOVE THE MAJOR PARTS VHS section 6 The cassette holder lowers and when the loading has completed the mechanism enters the desired mode VR401 D A LEVEL ADJ TPGND TP701 D AGC VR701 DV AGC TPGND TP7001 TEST TP106 PB FM TP4001 CTL P TP111 D FF TP2253 A PB FM Hard disk drive HDD CN3011 CN7507 Main board assembly Termi...

Страница 16: ... CN8001 CN8002 CN8801 CN8601 CN703 CN7506 CN512 CN7508 CN2601 CN3001 CN2001 CN1 CN1 CON1 CN7509 CN3014 6 3 4 9 5 8 1 2 13 14 15 16 11 12 10 A C HEAD DRUM FAN motor B D CN3011 CN7507 7 CN3014 Main board assembly Main board assembly Main board assembly Chassis Absorb the looseness of the wire in the B part Treat the front wires according to the figure DETAIL B Frame Digital board assembly The wire s...

Страница 17: ...5325 FAN MOTOR 2 WIRE 7 WR7 REGULATOR CN5326 HDD 4 WIRE 8 WR8 REGULATOR CN5323 DIGITAL CN8901 9 WIRE 9 WR9 DRUM MOTOR CON1 MAIN CN3001 5 FPC 10 WR10 MAIN CN1 UPPER DRUM 11 FPC 11 WR11 A C HEAD CN1 MAIN CN2001 7 FPC 12 WR12 MAIN CN3014 DIGITAL CN8002 6 FPC 13 WR13 MAIN CN703 DIGITAL CN8601 6 WIRE 14 WR14 MAIN CN2601 DIGITAL CN8801 8 FPC 15 WR15 DIGITAL CN8001 HDD 40 WIRE 16 Ñü MAIN CN7506 S SUB CN5...

Страница 18: ...ion at the moment of emergency 4 Mechanism mode position at the moment of emer gency Note For the emergency detail information 1 see 1 11 4 Emergency detail information 1 3 Transmit the code 59 from the Jig RCU once again The FDP shows the emergency detail information 2 in the form of 5 6 7 5 Type of the cassette tape in use 1 6 Winding position of the cassette tape in use 7 Type of the cassette t...

Страница 19: ... voltage DRUM CTL V is not supplied to the MDA 4 Power is not supplied to the drum MDA 1 The cassette cannot be ejected due to a failure in the drive mechanism of the housing 2 When the housing load increases during ejection the loading motor is stopped because of lack of headroom in its drive torque Housing load increasing factors Temperature environment low tempera ture etc mechanism wear or fai...

Страница 20: ... compression OFF as a result of POWER OFF 16 Mode transition to STOP with pinch roller compression ON as a result of POWER ON 18 Mode transition to PLAY 1A Mode transition to FWD SEARCH 1C Mode transition to REC 1E Mode transition to FWD STILL SLOW 20 Mode transition to REV STILL SLOW 22 Mode transition to REV SEARCH 24 Mode transition from FF REW to STOP 26 Mode transition to FF 28 Mode transitio...

Страница 21: ... tape T 5 08 0E C cassette thick tape TC 10 09 15 C cassette thick tape TC 20P 0A 0B Small reel thick tape T 20 0A 16 C cassette thin tape TC 30 0A 16 C cassette thin tape TC 40 0D 0F Small reel thick tape T 40 11 14 Small reel thick tape T 60 15 18 Small reel thick tape T 80 DF 160 17 1A Small reel thick tape T 80 DF 180 19 1D Small reel thick tape T 100 1D 21 Small reel thick tape T 120 DF 240 1...

Страница 22: ...l failures If you cannot remove the cassette tape which is loaded be cause of any electrical failure manually remove it by taking the following steps 1 Unplug the power cable and remove the top cover bracket and front panel assembly See 1 3 DISASSEM BLY ASSEMBLY METHOD 2 Unload the cassette by manually turning the loading mo tor of the mechanism assembly toward the front In do ing so hold the tape...

Страница 23: ...Fig 2 1 3d 4 In the same way as in the electrical failure instructions in 2 1 3 1 4 remove the top guide 5 Raise the cassette tape cover By keeping it in that posi tion draw out the cassette tape case from the cassette holder and take out the tape 6 By hanging the pinch roller arm assembly spring back on the hook take up the slack of the tape into the cas sette Fig 2 1 3d Fig 2 1 3c Pole base asse...

Страница 24: ... guard Press lever assembly Lid guide Guide arm assembly Reel disk take up side Sub brake assembly take up side Main brake assembly take up side Idler arm assembly Idler lever Main brake assembly supply side Reel disk supply side Rec safety lever Tension brake assembly Adjust pin Tension arm assembly Pole base assembly supply side Full erase head Pole base assembly take up side T1 T26 T25 T24 T23 ...

Страница 25: ...y as this will cause damage to the video head 2 To clean the parts of the tape transport system other than the upper drum use a piece of closely woven cloth or a cotton swab soaked with alcohol 3 After cleaning make sure that the cleaned parts are com pletely dry before using the video tape 3 Lubrication With no need for periodical lubrication you have only to lu bricate new parts after replacemen...

Страница 26: ...ry encoder B 1 2 2 11 Clutch unit B 1 2 2 12 Change lever assembly B 3 2 2 12 Direct gear B 4 2 2 12 Coupling gear B 5 2 2 12 Clutch gear B 6 2 2 13 Link lever B 1 2 2 14 Cassette gear B 2 2 2 14 Control cam B 2 2 2 14 Worm gear B 1 Lid guide T B 5 2 2 15Control bracket1 B 1 2 2 15Control plate B 6 2 2 16Loading arm gear supply side B 7 2 2 16Loadingarmgear take upside B 8 2 2 16Loading arm gear s...

Страница 27: ...ration in response to phases of the rotary encoder internal switch positions the mechanism may not operate properly unless such parts as the rotary encoder control plate loading arm gear control cam cassette gear limit gear relay gear and drive gear are installed in their correct posi tions Especially this model is not provided with any cassette hous ing assembly so that cassette loading and unloa...

Страница 28: ...y into the groove See Fig 2 2 3g 4 While swinging the lock lever R of the cassette holder assembly toward the front put the legs A and B into the rail See Fig 2 2 3g 5 Drop the three legs on the left side of the cassette holder assembly into the groove at one time See Fig 2 2 3h 6 Slide the whole cassette holder assembly toward the front to bring it to the eject end position 7 Install the limit ge...

Страница 29: ...the audio control head remove the three screws B while controlling the compression spring Fig 2 2 6a Fig 2 2 6c Fig 2 2 4a 2 2 5 Guide Arm Assembly and Press Lever Assembly 1 How to remove 1 Remove the spring and expand the lug of the lid guide in the arrow indicated direction Then remove the guide arm assembly by pulling it up 2 Remove the press lever assembly by pulling it up See Fig 2 2 5a Tens...

Страница 30: ...mbly are correctly in stalled as indicated in Fig 2 2 8b 3 Making sure that the connector for the capstan motor is correctly mounted and securely tighten the three screws A Note When the capstan motor has been replaced with a new one perform recording in the EP or LP mode for at least 2 minutes at normal temperatures immediately be fore starting the FF REW or SEARCH operations Ag ing Spacer Spacer...

Страница 31: ...f the rotary encoder guide in the arrow indicated direction and remove the change lever assembly 2 Remove the slit washer retaining the direct gear and re move the latter Take care so as not to lose the washer and spring See Fig 2 2 12a 2 2 10 Rotary Encoder 1 How to remove 1 Remove the screw A and remove the rotary encoder by pulling it up See Fig 2 2 10a Fig 2 2 10a Rotary encoder Front side Scr...

Страница 32: ...t of the rotary encoder guide Mark E Fig 2 2 13c Worm gear Control cam Main deck guide hole Control cam guide hole Cassette gear 2 2 14 Cassette Gear Control Cam and Worm Gear 1 How to remove 1 Remove the control cam by lifting it 2 Open the two lugs of the cassette gear outward and pull the latter off 3 Remove the belt wound around the worm gear and the loading motor 4 Open the lug of the lid gui...

Страница 33: ...embly shaft Section D Section D Section A Hole A 3 Install the control plate so that the section A of the load ing arm gear shaft fits into the hole A of the control plate the section B of the control plate guide into the hole B and the control plate comes under the section C of the rotary encoder guide and the section D of the loading arm gear shaft while press fit the pole base assmebly sup ply ...

Страница 34: ... main deck 3 Remove the lugs B and C of the sub brake assembly take up side from the main deck and remove the sub brake assembly take up side Fig 2 2 19a Spring Sub brake assembly take up side Lug B Lug A Lug C Fig 2 2 20a Lug D Lug C Spring Lug E Lug A Lug B Main brake assembly take up side Reel disk take up side Main brake assembly supply side Notch 2 2 20 Main Brake Assembly take up side Reel D...

Страница 35: ... 24a 4 Place the upper drum assembly hole a over the rotor assembly holes b with three holes to be aligned and tighten the two screws B See Fig 2 2 24a Lug Idler lever Hook Idler arm assembly Slit washer Fig 2 2 23a Stator assembly Flat cable Take care not to mix up the polar faces when installing Screws A Fig 2 2 24a 2 2 21 Tension Brake Assembly Reel Disk supply side and Tension Arm Assembly 1 H...

Страница 36: ...4 Position the collar assembly as indicated in Fig 2 2 25c while controlling its up down movement 5 Secure the collar assembly in position with a hexagonal wrench while pressing its top with the fingers 6 After installation gently turn the upper drum assembly with your hand to make sure that it turns normally Then install the brush and the spring 7 Install the rotor assembly and stator assembly ac...

Страница 37: ...duce the V PB FM waveform while pressing the chan nel buttons during playback If a drop in level is found on the left side turn the guide roller of the pole base assembly supply side with the roller driver to make the V PB FM waveform linear If a drop in level is on the right side likewise turn the guide roller of the pole base assembly take up side with the roller driver to make it linear See Fig...

Страница 38: ...F A C head base Mechanism assembly Specified value G Maximum V PB FM waveform Adjustment tool H A C head positioning tool PTU94010 1 Play back the alignment tape A1 2 Apply the external trigger signal to D FF E to observe the V PB FM waveform at the measuring point D 3 Press the channel buttons simultaneously to enter the manual tracking mode This also brings tracking to the center centre 4 Loosen...

Страница 39: ...from the Jig RCU When the VCR enters the stop mode the adjustment is completed 5 If the VCR enters the eject mode perform adjustment for the audio control head phase X value again Signal A Alignment tape EP stairstep NTSC MHP L Mode B PB Auto adjust Equipment C Oscilloscope Measuring point D TP106 PB FM External trigger E TP111 D FF Adjustment part F Jig RCU Code 50 Specified value G STOP mode Max...

Страница 40: ...304 2 320 4 335 IN FF REW OUT PLAY Direct gear Change lever 2 ON HALF REV HALF FF REW OFF Tension arm ON CONTACT OFF Main brake S ON CONTACT OFF Main brake T ON OFF Sub brake S ON OFF Sub brake T ON OFF OFF ON Capstan brake ON OFF Rec safety switch Operation mode ON PLAY ON REV CONTACT OFF C INS Pinch roller SUPPLY CENTER TAKE UP Idler position READY RESET Take up lever ON OFF Guide arm Timer REC ...

Страница 41: ...N Digital 3R ON VIDEO NAVIGATION TAPE MANAGER OFF Unless otherwise specified all measuring points and adjustment parts are located on the Main board In the Signal column of the adjustment chart Ext S input means the Y C separated video signal and Ext input means the composite video signal input White 75 100 IRE 40 IRE Horizontal sync Q I 1V White 100 Yellow Cyan Green Magenta Red Blue Burst 40 IRE...

Страница 42: ...he mode B1 and play back the recorded signal 2 Press the channel buttons simultaneously to enter the manual tracking mode This also brings tracking to the center centre 3 Set the VCR to the FWD slow mode 4 Transmit the code F from the Jig RCU to adjust so that the noise bar becomes the specified value G on the TV monitor in the slow mode 5 Set the VCR to the Stop mode 6 Confirm that the noise bar ...

Страница 43: ...er so that the Y level of the Y OUT waveform becomes the specified value G 5 Release the EVR mode of the VCR by transmitting the code F1 from the Jig RCU again When the EVR mode is released the adjusted data is memorized Fig 3 3 2a EE Y level H rate Y level 3 3 2 EE Y level Fig 3 3 3a PB Y level H rate Y level Fig 3 3 4a LPF 1 kØ 39 µH 180 µH 120 pF 180 pF PB FM 629 kHz PB COLOR PB COLOUR 3 3 4 RE...

Страница 44: ...ed data is memorized 8 Repeat steps 2 to 7 in the mode B2 10 After adjustment record the signal A3 then playing it back again At this time confirm that there is no invert ing phenomenon or noise appearing on the playback screen 11 Release the EVR mode of the VCR by transmitting the code F1 from the Jig RCU again When the EVR mode is released the adjusted data is memorized 12 Repeat steps 3 to 11 i...

Страница 45: ...2253 A FM External trigger E TP111 D FF EVR mode F1 Jig RCU Code 57 EVR address F2 A 30 Press remote controller 3 and 0 keys Specified value G1 500 100 mVp p G2 More than 350 mVp p Adjustment tool H Jig RCU PTU94023B Digit key remote controller 1 Apply the external trigger signal to D FF E to observe the Audio PB FM waveform at the measuring point D 2 Record the signal A3 with no audio signal inpu...

Страница 46: ...26 EVR mode F1 Jig RCU Code 57 EVR address F2 A 22 Press remote controller 2 key twice Specified value G Minimum level Adjustment tool H Jig RCU PTU94023B Digit key remote controller 1 Set an audio signal mode of the RF signal generator to no signal 2 Connect the equipment C to the measuring point D 3 Set the VCR to the EVR mode by transmitting the code F1 from the Jig RCU 4 Set the EVR address to...

Страница 47: ...r so that the level of the measuring point D becomes the specified value G 6 Release the EVR mode of the VCR by transmitting the code F1 from the Jig RCU again When the EVR mode is released the adjusted data is memorized Signal A No signal Mode B Tuner EE Equipment C Frequency counter Measuring point D1 IC1501 pin 26 Short point D2 C1505 terminal EVR mode F1 Jig RCU Code 57 EVR address F2 A 25 Pre...

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