JVC HR-S9800U Service Manual Download Page 1

Page: 1 / 44

No. 82805

June 2000

HR-S9800U

SPECIFICATIONS

CANCEL

TIMER

START

STOP

DATE

PLAY

REW

REC

STOP

PAUSE

POWER

TV/VCR

C. RESET

DBS

. , ?

ABC

DEF

DHI

JKL

MNO

PQRS

TUV

WXYZ

DAILY(M-F)

AUX

WEEKLY

PROG

CHECK

PROG

SP/EP

SKIP SEARCH

A/B

DISPLAY

ENTER/OSD

A.MONITOR

VCR TV CABLE/DBS

EXPRESS PROGRAMMING

JOG/

SHUTTLE

M ENU

NAVIGAT

ION

TV CH +

TV CH –

TV
VOL

–

This service manual is printed on 100% recycled paper.

VIDEO CASSETTE RECORDER

SERVICE MANUAL

GENERAL

Power requirement

: AC 120 V

, 60 Hz

Power consumption

Power on

: 27 W

Power off

: 2.6 W

Temperature

Operating

: 5°C to 40°C (41°F to 104°F)

Storage

: –20°C to 60°C (–4°F to140°F)

Operating position

: Horizontal only

Dimensions (W x H x D) : 437 mm x 97 mm x 347 mm

(17-1/4" x 3-7/8" x 13-11/16")

Weight

: 4.8 kg (10.6 lbs)

Format

: S-VHS/VHS NTSC standard

Maximum recording time

: 210 min. with ST-210 video cassette

: 630 min. with ST-210 video cassette

VIDEO/AUDIO

Signal system

: NTSC-type color signal and EIA

monochrome signal, 525 lines/60 fields

Recording/
Playback system

: DA-4 (Double Azimuth) head helical

scan system

Signal-to-noise ratio

: 45 dB

Horizontal resolution

VHS

: 230 lines

S-VHS

: 400 lines

Frequency range

Normal audio

: 70 Hz to 10,000 Hz

Hi-Fi audio

: 20 Hz to 20,000 Hz

Input/Output

: RCA connectors (IN x 2, OUT x 1)

S-video connectors (IN x 2, OUT x 1)

TUNER

Tuning system

: Frequency-synthesized tuner

Channel coverage

VHF

: Channels 2–13

UHF

: Channels 14–69

CATV

: 113 Channels

RF output

: Channel 3 or 4 (switchable; preset

to Channel 3 when shipped) 75

Ω

unbalanced

TIMER

Clock reference

: Quartz

Program capacity

: 1-year programmable timer/

8 programs

Memory backup time

: Approx. 3 min.

ACCESSORIES

Provided accessories

: Infrared remote control unit,

“AA” battery x 2,
Audio/video cable,
RF cable (F-type),
S-video cable (4-pin),
S-VHS ET labels,
Controller

Specifications shown are for SP mode unless specified otherwise.
E. & O.E. Design and specifications subject to change without notice.

Summary of Contents for HR-S9800U

Page 1: ...ith ST 210 video cassette EP 630 min with ST 210 video cassette VIDEO AUDIO Signal system NTSC type color signal and EIA monochrome signal 525 lines 60 fields Recording Playback system DA 4 Double Azimuth head helical scan system Signal to noise ratio 45 dB Horizontal resolution VHS 230 lines S VHS 400 lines Frequency range Normal audio 70 Hz to 10 000 Hz Hi Fi audio 20 Hz to 20 000 Hz Input Outpu...

Page 2: ...ght and Tilt of the Audio Control Head 2 17 2 3 3 Checking Adjustment of the Audio Control Head Phase X Value 2 17 2 3 4 Checking Adjustment of the Standard Tracking Preset 2 18 2 3 5 Checking Adjustment of the Tension Pole Position 2 18 3 ELECTRICAL ADJUSTMENT 3 1 PRECAUTION 3 1 3 1 1 Required test equipments 3 1 3 1 2 Required adjustment tools 3 1 TABLE OF CONTENTS Section Title Page Section Tit...

Page 3: ...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 ...

Page 4: ...d 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...

Page 5: ......

Page 6: ...ssette holder assembly is lowered in position prior to the reinstallation NOTE6a When it is required to remove the screws S6a retaining the Mecha nism assembly please refer to the Procedures for Lowering the Cas sette holder assembly See on page 1 2 When removing the Mechanism assembly only unhook the two spacers connecting it with the Main board assembly with pliers from the back side of the Main...

Page 7: ... Å ı ı Å When the holder has been lowered turn the pulley until the cassette holder is securely in place without allowing any up down movement 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 1 S1 S1 S1 Procedures for Lowering the C...

Page 8: ...FOIL SIDE NOTE 4a WR4b SUPPORTING TAPE SIDE NOTE 4a CN902 S5 WR5b WR5a 5 CN1 CN3501 a c CON1 b FOIL SIDE NOTE 4a FOIL SIDE NOTE 4a S5 L5a L5b P5 ROLLER ARM ASSEMBLY INERTIA PLATE S6b S6b S6a NOTE6a 6 L6 Spacer NOTE6a L6 Spacer NOTE6a Q3003 End sensor NOTE6a Q3002 Start sensor NOTE6a WR6 FOIL SIDE NOTE4a NOTE6b A C head base WR6 CN1 D3001 LED NOTE6a S3002 S cassette switch NOTE6a L7c WR7 CN7001 SUP...

Page 9: ... 1 4 1 and remove the GR board assembly Take care not to pull the flat wire Fig D8 from CN1902 7 Remove the Main board and Mechanism assemblies to gether while holding the edge of the Main board assem bly At this stage be careful of the power cord and prongs of the jacks on the back side Refer to Fig 1 4 2 8 Remove the SW Display board assembly and REC safety board assembly Refer to page 1 3 of 1 ...

Page 10: ...er the mechanism into every operation mode without loading of any cassette tape This function is called the MECHANISM SERVICE MODE 1 5 1 How to set the MECHANISM SERVICE MODE 1 Disconnect VCR from AC 2 Connect TPGND and TP7001 TEST on the SW Display board assembly with a jump wire 3 Connect VCR to AC 4 Press the POWER button 5 With lock levers Åı on the left and right of the Cassette holder assemb...

Page 11: ...ment of emer gency 3 Mechanism sensor information at the moment of emergency 4 Mechanism mode position at the moment of emer gency Note For the emergency detail information 1 see 1 6 4 Emer gency 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...

Page 12: ...ue Housing load increasing factors Temperature environment low tempera ture etc mechanism wear or failure 3 The sensor switch for detecting the end of ejection are not functioning normally 4 The loading motor drive voltage is lower than specified or power is not sup plied to the motor MDA 5 When the user attempted to eject a cassette a foreign object or perhaps the user s hand was caught in the op...

Page 13: ...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 transition...

Page 14: ...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 1E 1F Small reel thin tape T 140 1F 23 Small reel thick tape T 130 21 23 Small reel thin tape T 160 21 23 Small reel thin tape T 168 22 24 Small reel thick tape DF 300 ...

Page 15: ...OMPUOUT OUT NC A V COMPULINK OUTPUT 34 P50_OUT NC 35 LMC1 OUT LOADING MOTOR DRIVE 1 36 LMC2 OUT LOADING MOTOR DRIVE 2 37 LMC3 OUT LOADING MOTOR DRIVE 3 38 SB_G PWM OUT VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE 39 STB TEST OUT STROBE SIGNAL FOR FDP DRIVER 40 POWER_DET IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY 41 REC_SAFETY IN REC SAFETY SWITCH DETECT SW ON L 42 PROTECT IN DETE...

Page 16: ...EDS_CS OUT NC DIGITAL SUB EDS IC CHIP ENABLE 82 VCC SYSTEM POWER 83 SLOW_P OUT MEMORY TIMING CONTROL IN THE SLOW MODE 84 VSS GND 85 SP_SHORT H NC 86 LP_SHORT H NC 87 FLY_ON H OUT FLYING ERASE ON H 88 H REC_ST H OUT HIFI AUDIO SOUND RECORDING START 89 TRICK H M_TRICK L NC 90 HEAD_SEL OUT HEAD SELECT EP LP HEAD H SP HEAD L 91 OSD_CS OUT CHIP SELECT FOR THE ON SCREEN IC 92 SYNC_DET H IN DETECTION OF ...

Page 17: ...R and set it without a cassette tape 2 Press the PLAY button of the slave unit for 7 seconds When the copy mode is set 1 will be displayed on the FDP Note To cancel the copy mode press the PLAY button of the slave unit then the copy mode of the slave unit will be cancelled 3 Press the PAUSE button of the master unit for 7 sec onds When the copy mode is set 2 will be displayed on the FDP Note To ca...

Page 18: ...T PLEASE WAIT VCR ID LIBRALY VAR INITIAL MODE DATA CODE CUSTOM CODE 43 A CODE 53 B CODE Data transmitting method Depress the 3 button after the data code is set Jig RCU Fig 1 8 2a Jig RCU PTU94023B Fig 1 8 2b Fig 1 8 2c Fig 1 8 2d Fig 1 8 2e 1 8 3 Factory setting level during shipment After shipment from the factory this is the service mode to return the rewritten EEPROM data to the factory settin...

Page 19: ...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 b...

Page 20: ...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...

Page 21: ... 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 ...

Page 22: ...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...

Page 23: ...otary 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 Clutch gear B 5 2 2 12 Coupling gear 2 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 g...

Page 24: ...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...

Page 25: ...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 Å and ı 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...

Page 26: ...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...

Page 27: ...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...

Page 28: ...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 Screw...

Page 29: ...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...

Page 30: ...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 ...

Page 31: ... 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...

Page 32: ... 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...

Page 33: ...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...

Page 34: ...hecking Adjustment of FM Waveform Linearity Fig 2 3a Jig RCU PTU94023B 5 Reduce 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 ...

Page 35: ...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...

Page 36: ...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...

Page 37: ...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 ...

Page 38: ...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...

Page 39: ...rom 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 is G on the TV monitor in the slow mode 7 Repeat steps 3 to 6 in the REV slow mode 8 Repeat steps 1 to 7 in the mode B2 Note For FWD slow 1 6 playback transmit the code 08 from the Jig RCU to enter the slow playback mode and tr...

Page 40: ... Color colour bar signal NTSC Mode B1 S VHS SP B2 VHS SP Equipment C Oscilloscope Measuring point D Y OUT terminal 75Ø terminated EVR mode F1 Jig RCU Code 57 EVR address F2 A 11 Press remote controller 1 key twice Specified value G 1 00 0 03 Vp p Adjustment tool H Jig RCU PTU94023B Digit key remote controller H rate Y level 3 3 VIDEO CIRCUIT 3 3 1 D A level Signal A1 Ext S input Ext input A2 Color...

Page 41: ...imultaneously to enter the manual tracking mode This also brings tracking to the center centre 5 Adjust tracking by pressing the channel buttons so that the PB color colour waveform becomes maximum Make a note of the higher PB color colour level as B at this time 6 Record the signal A3 in the mode B1 and play back the recorded signal 7 Set the VCR to the EVR mode by transmitting the code F1 from t...

Page 42: ...E initial setting Signal A1 Ext input A2 Video Optional A3 VHS tape Mode B EE Auto adjust SP EP REC PB Adjustment part F Jig RCU Code 58 Specified value G STOP mode Adjustment tool H Jig RCU PTU94023B 1 Insert the cassette tape A3 2 Set the VCR to the Auto adjust mode by transmitting the code F from the Jig RCU When the VCR enters the stop mode the adjustment is completed When the VCR enters the e...

Page 43: ...ontroller 3 5 4 Separation 1 Signal A RF signal Audio L ch 5 kHz 14 modulated Mode B Tuner EE Equipment C Audio level meter Measuring point D IC1501 pin 26 EVR mode F1 Jig RCU Code 57 EVR address F2 A 24 Press remote controller 2 and 4 keys 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 altern...

Page 44: ...ois 60504 8149 5665 Corporate Avenue Cypress California 90630 0024 1500 Lakes Parkway Lawrenceville Georgia 30043 5857 2969 Mapunapuna Place Honolulu Hawaii 96819 2040 973 315 5000 973 396 1000 630 851 7855 714 229 8011 770 339 2582 808 833 5828 JVC CANADA INC Head office Montreal Vancouver 21 Finchdene Square Scarborough Ontario M1X 1A7 16800 Rte Trans Canadienne Kirkland Quebec H9H 5G7 13040 Wor...

Search results

Summary of Contents for HR-S9800U

Reviews:

Related manuals for HR-S9800U

Brands by name

Popular brands

JVC HR-S9800U, Service Manual

Search results

Summary of Contents for HR-S9800U

Reviews:

Related manuals for HR-S9800U

Brands by name

Popular brands