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JVC HR-J271MS, Service Manual

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JVC HR-J271MS Service Manual Download Page 126

4.18 MAIN, A/C HEAD, MINI FRONT, LITHIUM BATTERY AND LOADING MOTOR CIRCUIT BOARDS [HR-J271MS, HR-J471MS]

4-37

4-38

03 MAIN

DANGEROUS VOLTAGE

55 LOADING MOTOR

LPB10010-001A

12 A/C HEAD

LPB10010-001A

93 LITHIUM BATTERY

LPB10088-002D

28 MINI FRONT

LPB10088-002D

LPB10088-002D

www.freeservicemanuals.info

4/5/2017

Digitized in Heiloo Netherland

Summary of Contents for HR-J271MS

Page 1: ...ng time SP 240 min with E 240 video cassette PAL MESECAM 160 min with T 160 video cassette NTSC LP 480 min with E 240 video cassette PAL MESECAM EP 480 min with T 160 video cassette NTSC VIDEO AUDIO Signal system PAL type colour signal and CCIR monochrome signal 625 lines 50 fields NTSC colour and EIA monochrome signals 525 lines 60 fields Recording system DA 4 Double Azimuth head helical scan sys...

Page 2: ...AD DA4 4 HEAD DA4 4 HEAD DA4 HiFi AUDIO NOT USED NOT USED USED USED HiFi LEVEL METER NOT USED NOT USED USED USED FRONT VIDEO AUDIO INPUT RCA NOT USED USED USED USED VCR PLUS NOT USED NOT USED NOT USED SHOW VIEW REMOTE PAUSE NOT USED NOT USED USED USED STILL PAUSE FRAME ADVANCE REDUCED NOISE NOISELESS NOISELESS NOISELESS The following table lists the differing points between Models HR J271MS HR J47...

Page 3: ...ecognized 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 such cases as when replacing the p...

Page 4: ... 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 plug prongs and externally exposed...

Page 5: ... be removed or installed 3 Fig No showing procedure or part location 4 Identification of part to be removed unhooked unlocked released unplugged unclamped or unsoldered P Spring W Washer S Screw L Locking tab SD Solder CN WR Remove the wire WR from the connector CN Note 2a When reattaching the Front panel assembly make sure that the door opener a of the Cassette holder assembly is low ered in posi...

Page 6: ... 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 S1b 1 S1a S1a S1c Bracket 1 S1c Procedures for Lowering the Cassette holder assembly L2 L2 Note 2a Note 2b L2 2 S3 3 CN1 a c CON1 b WR3a Foil side Note 3 S3 L3a L3b P3 Roller arm ass...

Page 7: ...77MS End sensor Note 4 Q3001 HR J271MS J471MS Q3002 HR J677MS J777MS Start sensor Note 4 Note 4 WR4 Foil side Note 3 CN1 S4a Note 4 S4b S4c L5a S5 CN7001 HR J271MS J471MS CN7003 HR J677MS J777MS WR5 Foil side Note 3 Mini front board assembly HR J271MS J471MS Mini ope board assembly HR J677MS J777MS L5b Pc support Note 5 5 www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 8: ...d upside down If you want to switch the mode turn the set to the normal posi tion Fig 1 4 2 Fig 1 4 1 4 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 See Fig 1 4 2 C D 1 4 SERVICE POSITION In order to facilitate diagnosis and the repair of the Mecha nism...

Page 9: ...ton 5 With lock levers A B on the left and right of the Cas sette holder assembly pulled toward the front slide the holder in the same direction as the cassette insertion di rection For the positions of lock levers A B refer to the Procedures for Lowering the Cassette holder assem bly on page 1 2 of 1 3 DISASSEMBLY ASSEMBLY METHOD 6 The cassette holder lowers and when the loading has completed the...

Page 10: ...nsor 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 cassette tape in use 7 Type of t...

Page 11: ...g 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 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...

Page 12: ...ER 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 to REW 2A 4 sec of REV as a resul...

Page 13: ...ape 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 1E 1F Small reel thin tape T 140 1F...

Page 14: ...NISM MODE DETECT C 28 LSA IN MECHANISM MODE DETECT A 29 RC IN REMOTE CONTROL DATA INPUT 30 PROTECT IN DETECTION SIGNAL FOR SW POWER SUPPLY 31 PROJECT 50 IN NC 32 POWER DET IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY 33 PROJECT 50 OUT NC 34 STB TEST OUT STROBE SIGNAL FOR FDP DRIVER 35 LMC1 OUT LOADING MOTOR DRIVE 1 36 LMC2 OUT LOADING MOTOR DRIVE 2 37 LMC3 OUT LOADING MOTOR DRIVE 3 38 P C...

Page 15: ...PAUSE IN REMOTE PAUSE CONTROL 81 FMA_SHORT H 2 NC 82 VCC SYSTEM POWER 83 FMA_SHORT H 1 NC 84 VSS GND 85 SP_SHORT H OUT MODE SELECT 86 LP_SHORT H OUT MODE SELECT 87 H REC ST H OUT HiFi AUDIO SOUND RECORDING START 88 A MUTE H OUT AUDIO MUTE CONTROL MUTE H 89 PAL_PB H OUT PAL MODE H 90 3 58NTSC H OUT 3 58NTSC MODE H 91 NC NC 92 NC NC 93 P MUTE L OUT PICTURE MUTE CONTROL MUTE L 94 SECAM H NC 95 SECAM_...

Page 16: ...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 by the hand to keep the slack away ...

Page 17: ... 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 assembly take up side Pole base assemb...

Page 18: ...ide 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 T22 T2 T3 T5 T7 T8 T9 T10 T11 T12 ...

Page 19: ... 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 replacement If any oil or grease on contact ...

Page 20: ...it 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 gear shaft B 9 2 2 17Take up lever ...

Page 21: ...e 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 unloading must be accomplished by opera...

Page 22: ... 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 gear so that the notch on the outer ...

Page 23: ...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 Tension spring Press lever assembly Gu...

Page 24: ...ndicated 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 Connector for the capstan motor 2...

Page 25: ...row 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 A Rotary encoder Back side Positi...

Page 26: ... 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 guide outward and remove the worm gea...

Page 27: ...ction 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 side as indicated by the arrow It ...

Page 28: ... 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 Disk take up side and Main Brake As...

Page 29: ...ly 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 How to remove 1 Remove the three lu...

Page 30: ...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 according to Fig 2 2 23a and 2 2 24a...

Page 31: ...essing 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 2 3 1c 2 3 1 Checking Adjustment ...

Page 32: ...se 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 the screws 4...

Page 33: ...t 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 LP stairstep PAL MHPE 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 Maximum V PB FM waveform Adjustment tool H Jig RCU PTU94023B 2 3 5 ...

Page 34: ... 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 standby Backspace Slow FOR STOP dr...

Page 35: ... the Jig RCU set its custom code to match the custom code of the VCR Set the switches as shown below unless otherwise specified on the relevant adjustment chart The switches that are not listed below can be set as desired If the VCR is not equipped with the functions detailed below setup is not required Unless otherwise specified all measuring points and adjustment parts are located on the Main bo...

Page 36: ...O OUT terminal 75Ø terminated D2 TP106 PB FM External trigger E TP111 D FF slope Adjustment part F Jig RCU Code 5A Specified value G 6 5 0 5H Adjustment tool H Jig RCU PTU94023B 1 Play back the signal A1 of the alignment tape A2 2 Apply the external trigger signal to D FF E to observe the VIDEO OUT waveform and V PB FM waveform at the measuring points D1 and D2 3 Press the channel buttons simultan...

Page 37: ...the measuring point D1 2 Connect the short wire between the short point D2 and GND 3 Short the leads of capacitor D3 once in order to reset the microprocessor of the SYSCON 4 Adjust the Adjustment part F so that the output fre quency becomes the specified value G HR J677MS J777MS 1 Connect the frequency counter to the measuring point D1 2 Connect the short wire between the short point D2 and Vcc 5...

Page 38: ...n Displays 8 Select Language 9 Clock Set 10 PLAYBACK 11 Basic Playback 11 Playback Features 12 RECORDING 17 Basic Recording 17 Recording Features 18 B E S T Picture System 20 TIMER RECORDING 22 TM TM system Setup HR J777MS only 22 TM TM Timer Programming HR J777MS only 24 Express Timer Programming 26 Automatic Satellite Programme Recording 31 SPECIAL FEATURES 32 Remote Control Functions 32 EDITING...

Page 39: ...velopment Corporation G CODE and SHOWVIEW are different trademarks used to represent the same easy recording feature However for simplicity only the term G CODE will be used in the instruc tions If you use SHOWVIEW system follow the same steps listed for the G CODE system Video tapes recorded with this video recorder in the LP Long Play or EP Extended Play mode cannot be played back on a single sp...

Page 40: ...ear panel of the recorder and the TV s AV IN terminals CONNECT RECORDER TO MAINS 4 Plug the end of the mains power cord into a mains outlet NOTE Use the conversion plug not provided in certain areas depending on the type of your AC wall outlet It s essential that your video recorder be properly connected Follow these steps carefully THESE STEPS MUST BE COM PLETED BEFORE ANY VIDEO OPERATION CAN BE ...

Page 41: ...r to set appropriate TV system that matches the system of TV being used refer to the table below TEST SIGNAL The channel on which the screen to the left appear clearly in step 3 is your Video Channel To view picture signals from the video recorder set your TV to the Video Channel IMPORTANT Before performing the following steps make sure the recorder s power is off and there is no cassette inserted...

Page 42: ...Select screen appears and Auto Set Up function takes place automatically With AV Connection IMPORTANT Before performing the following steps make sure the recorder s power is off and there is no cassette inserted in the recorder ACCESS VIDEO CHANNEL SET MODE 1 Hold down STOP EJECT on the recorder until the display panel shows the following SET VIDEO CHANNEL 2 Press OK then press PR until the displa...

Page 43: ...stalla tion there s no need to separately perform the Language Select Clock Set or Channel Set procedures but if adjustments become necessary they can be performed as follows To change the selected language pg 9 To reset or adjust the time pg 10 To add delete channels manually pg 41 To reset the tuner after moving to a different location pg 40 SELECT LANGUAGE 1 Press PUSH JOG fi to place the pointe...

Page 44: ...n stored by Auto Set Up the TV system setting for those channels may be incorrect Select the appropriate TV system for those channels TV System Selection When you see the picture but the audio can t be heard or sounds unnatural on page 43 DO NOT press any button on the recorder or remote control while Auto Set Up is in progress SELECT TV SYSTEM 5 Press PUSH JOG fi to place the pointer next to the a...

Page 45: ... to set to OFF RETURN TO NORMAL SCREEN 5 Press MENU The superimposed indication on the TV screen tells you what the recorder is doing 1 Operation mode indicators 2 Tape speed SP LP EP 3 Colour system indicator pg 38 4 Tape direction 5 Counter display 6 Audio mode display pg 16 7 Tape position indicator pg 15 8 Type of Broadcast HR J777MS only pg 19 9 Current day month year 10 Clock display 11 Chan...

Page 46: ...pointer next to INITIAL SET then press OK or PUSH JOG ACCESS LANGUAGE SELECT SCREEN 4 Press PUSH JOG fi to place the pointer next to LANGUAGE then press OK or PUSH JOG SELECT LANGUAGE 5 Place the pointer next to the language of your choice English Chinese or Russian by pressing PUSH JOG fi then press OK or PUSH JOG RETURN TO NORMAL SCREEN 6 Press MENU 1 2 3 4 5 6 7 8 9 0 1 2 4 3 MENU PUSH JOG OK www...

Page 47: ...y or advance the time by 30 minutes SET DATE 6 Press PUSH JOG fi to set the date then press OK or PUSH JOG Press and hold either button to change the date by 15 days SET YEAR 7 Press PUSH JOG fi to set the year START CLOCK OPERATION 8 Press MENU NOTE If the year digits are automatically cleared it is possible that you have input February 29th in a non leap year Input the correct data fi CLOCK SET TIM...

Page 48: ...appears blinking in the recorder s display panel during automatic tracking pg 20 STOP PLAYBACK 4 Press STOP on the remote or STOP EJECT on the recorder s front panel Then press STOP EJECT to remove the cassette Turn on the TV and select the VIDEO channel or AV mode P L A Y REW FF S T O P Usable cassettes Compact VHS camcorder recordings can be played on this video recorder Simply place the recorde...

Page 49: ... By Frame Playback PAUSE DURING PLAYBACK 1 Press PAUSE If there is vertical jitter use the PR buttons to correct the picture ACTIVATE FRAME BY FRAME PLAYBACK 2 Press PAUSE OR Press PUSH JOG or To resume normal playback press PLAY Slow Motion ACTIVATE SLOW MOTION PLAYBACK 1 During still picture press and hold PAUSE for 2 seconds then release Press and release again to return to still picture OR Dur...

Page 50: ...STOP at any time to stop playback NOTE Pressing PLAY REW FF or PAUSE also stops Repeat Playback Instant ReView Simply by pressing a single button the recorder power comes on rewinds and begins playback of the last timer recorded programme If you have several programmes recorded you can easily access any of them NOTE Before starting make sure that the recorder is off and that the Timer mode is dise...

Page 51: ...isplayed Ex To locate the beginning of B from the current position press PUSH JOG twice To locate the beginning of D from the current position press PUSH JOG once When the specified index code is located playback begins automatically fi fi fi Current position A B C D E F 2 1 1 2 3 Index number 2 SKIP OVER UNWANTED SECTIONS 1 Press 30 SEC 1 to 4 times during playback Each press initiates a 30 second p...

Page 52: ... the playback picture quality according to your preference The default setting is AUTO ACCESS MAIN NENU SCREEN 1 Press MENU ACCESS FUNCTION SET SCREEN 2 Place the pointer next to FUNCTION SET by pressing PUSH JOG fi then press OK or PUSH JOG SELECT PICTURE CONTROL SET MODE 3 Place the pointer next to PICTURE CONTROL by pressing PUSH JOG fi then press OK or PUSH JOG to select the desired mode AUTO No...

Page 53: ... R HI FI For main audio of Bilingual L tapes HI FI For sub audio of Bilingual R tapes NORM NORM For audio dubbed tapes NORM HI FI For audio dubbed tape NORM NOTES should normally be selected In this mode Hi Fi stereo tapes are played back in stereo and the NORM track is played back automatically for tapes with only normal audio O S D must be set to ON or the on screen displays will not appear pg 8...

Page 54: ...RESUME RECORDING 5 Press PAUSE Press PLAY to resume recording STOP RECORDING 6 Press STOP on the remote control or STOP EJECT on the recorder Then press STOP EJECT to remove the cassette To prevent accidental recording on a recorded cassette remove its safety tab To record on it later cover the hole with adhesive tape Record safety tab Accidental erasure prevention Recording Resume Function If the...

Page 55: ...0 30 appears on the front display panel SET RECORDING DURATION 3 If you want to record for more than 30 minutes press RECORD to extend the time Each press extends recording time by 30 minutes NOTE You can only perform ITR using the RECORD button on the recorder s front panel RECORD Elapsed Recording Time Indication You can check the exact time of a recording SET COUNTER DISPLAY 1 Press DISPLAY unt...

Page 56: ... programme press AUDIO until or appears on the front display panel or HIFI L or HIFI R appears on the screen as required To listen to the Standard regular monaural audio while receiving a NICAM broadcast press AUDIO until NORM appears on the front display panel or on the screen NOTE O S D must be set to ON or the on screen displays will not appear pg 8 Type of Broadcast On screen Display Being Rec...

Page 57: ...1 Press ACCESS MAIN MENU SCREEN 2 Press MENU ACCESS FUNCTION SET SCREEN 3 Place the pointer next to FUNCTION SET by pressing PUSH JOG fi then press OK or PUSH JOG SELECT MODE 4 Place the pointer next to B E S T by pressing PUSH JOG fi then press OK or PUSH JOG to set to ON or OFF RETURN TO NORMAL SCREEN 5 Press MENU MAIN MENU FUNCTION SET TUNER SET INITIAL SET 5 MENU EXIT PUSH JOG MENU RECORD RECORD...

Page 58: ...ng on the recorder s display panel NOTES When watching a tape recorded with B E S T set to ON it is recommended that you leave B E S T on during playback as well When watching a rental tape or one recorded on another video recorder or when using this recorder as the player for editing set B E S T to your preference by performing steps 1 through 5 on page 20 BEST only appears at the beginning of au...

Page 59: ... and the recorder s timer is automatically programmed You have to set GUIDE PROG numbers which are assigned to each station for purposes of G CODE timer programming for all the stations stored in your recorder s memory to get proper results Before G CODE setup you must have performed the following procedures Tuner setting pg 6 40 Clock setting pg 10 IMPORTANT Perform the following procedure after ...

Page 60: ...e channel position to which the satellite tuner is connected Repeat steps 4 and 5 as necessary RETURN TO NORMAL SCREEN 6 Press MENU Guide Program Number Guide Program GUIDE PROG number refers to the assigned TV station numbers according to broadcast area for G CODE timer recording The Guide Program numbers can be found in most TV listings G CODE SHOWVIEW SETUP GUIDE PROG TV PROG 2 5 0 9 OR 5 SELEC...

Page 61: ... SP DATE TV PROG 25 04 1 OK HR J777MS only TM TM Timer Programming Before performing G CODE SHOW VIEW Timer Programming Be sure to read G CODE SHOW VIEW System Setup pg 22 Insert a cassette with the safety tab in place The recorder will come on automatically Turn on the TV and select the VIDEO channel or AV mode Select the appropriate colour system by pressing the COLOUR SYSTEM button pg 38 With t...

Page 62: ...the extra programme you must first cancel any unnecessary programmes pg 28 It is not possible to timer record a TV programme with a G CODE number which starts with 0 ATTENTION Regarding Guide Program Number Set G CODE SHOWVIEW SETUP appears after performing step 3 if the Guide Program number for the G CODE number you entered has not been set Press the NUMBER keys or PUSH JOG fi to input the channel...

Page 63: ...ME START TIME 2 Press START to enter the time you want recording to start Press and hold START to move in 30 minute increments or press and release repeatedly to move 1 minute at a time ENTER PROGRAMME STOP TIME 3 Press STOP to enter the time you want recording to stop Press and hold STOP to move in 30 minute increments or press and release repeatedly to move 1 minute at a time ENTER PROGRAMME DAT...

Page 64: ...in To Timer Record Weekly Or Daily Serials anytime during steps 2 through 7 press WEEKLY NUMBER key 9 for weekly serials or DAILY NUMBER key 8 for daily serials Monday Friday Either WEEKLY or DAILY appears on the screen Pressing the button again makes the corresponding indication disappear NOTE You can programme this recorder to timer record as many as 8 programmes If you try to programme the reco...

Page 65: ...OK MENU PUSH JOG P1 START STOP 8 00 10 00 SP DATE TV PROG 24 04 3 NEXT CANCEL OR REPLACE A PROGRAMME 4 Press to cancel a programme To replace a programme press the appropriate button START STOP DATE PR SP LP EP RETURN TO NORMAL SCREEN 5 Press as many times as necessary If there are still some programmes remaining go on to step 6 RETURN TO TIMER MODE 6 Press S P L P E P PR START STOP CH DATE 1 8 00...

Page 66: ...ogramme with the lower programme number will be recorded and the other one will not be recorded correctly If no changes are made for approximately 1 minute the recorder will return to the normal screen CANCEL OR CHANGE PROGRAMME SETTING 3 To cancel a programme press when the Programme screen you do not want is shown PROGRAM COMPLETED appears on the TV screen for about 5 seconds then the normal scr...

Page 67: ...ake sure the mode is not engaged then set the tape speed manually during timer programming In order to ensure that the recording fits on the tape this feature may leave a slight non recorded section at the end of the tape There may be some noise and sound disturbance at the point on the tape where the recorder switches from SP to LP or EP mode The Auto SP LP Timer feature is not available during I...

Page 68: ...O TIMER is set to ON For timer programming of the satellite receiver refer to the instruction manual of the satellite receiver Auto Satellite Prog recording is not possible if your satellite receiver does not have a timer The REC LINK indicator blinks while Auto Satellite Prog recording is in progress Pressing the recorder s button while Auto Satellite Prog recording is in progress turns off and r...

Page 69: ...nplug the mains power cord from the mains outlet SET REMOTE CONTROL CODE 2 While holding down VCR on the remote control press the NUMBER key 2 and then press OK RE SUPPLY POWER 3 Plug the mains power cord back into the mains outlet TURN THE RECORDER ON 4 Press on the remote control The recorder will now only respond to B code signals NOTE To set the recorder back to respond to A code signals repea...

Page 70: ...K after having pressed the NUMBER keys IMPORTANT Although the provided remote control unit is compatible with JVC televisions as well as many other models it may not work with your TV or in some instances may have limited function capability TV Multi brand Remote Control Your remote control can operate the basic functions of your TV set In addition to JVC TVs other manufacturer s TVs can also be c...

Page 71: ...our unit or in some instances may have limited function capability NOTES It s not possible to set the two units at the same time You can only set the remote control to operate one of these units at a time You have to subscribe to a satellite or cable service to receive satellite or cable channels Multi brand Remote Control For satellite receiver cable box and DVD Your remote control can operate th...

Page 72: ...01 04 06 11 12 15 28 75 KATHREIN 70 71 LUXOR 68 MASPRO 70 NOKIA 68 87 PACE 67 86 92 PANASONIC 13 14 74 PFT 69 PHILIPS 66 84 PHONOTREND 69 SALORA 68 SKYMASTER 69 TPS 83 VIDEOWAY 03 09 22 76 77 WISI 64 Cable Box or Satellite Re ceiver Multi brand Code DVD BRAND NAME CODE JVC 55 MATSUSHITA 58 PHILIPS 56 TOSHIBA 57 DVD Multi brand Code www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherlan...

Page 73: ...you use this recorder as the player for editing be sure to set O S D to OFF before starting pg 8 NTSC tapes being played back in the NTSC PAL mode pg 39 cannot be dubbed to another recorder When you dub an NTSC tape using your recorder as the playback deck select NTSC 3 58 or NTSC 4 43 with the COLOUR SYSTEM button pg 38 When you select EDIT to dub tapes be sure to select AUTO or NORM when the B E...

Page 74: ...CORDER 4 Engage its Play mode START RECORDER 5 Engage its Record mode NOTES All necessary cables can be obtained from your dealer You can also use another video recorder as the player instead of a camcorder When you select EDIT to dub tapes in step 3 be sure to select AUTO or NORM when B E S T is set to OFF after you finish dubbing the tapes pg 15 Recorder Your recorder IMPORTANT To edit both the ...

Page 75: ...OTES In the AUTO mode NTSC signals will be automatically recorded as NTSC 3 58 In the AUTO mode NTSC tapes will be played back as NTSC 3 58 SECAM signals will always be recorded as MESECAM Select the AUTO or the MESECAM mode when recording SECAM signals When playing back a SECAM tape select the AUTO or MESECAM mode The playback picture will always be monochrome In the NTSC4 43 mode with some TVs o...

Page 76: ...ng search still or frame by frame playback the picture will be distorted and there may be a loss of colour ATTENTION When this recorder is connected to a multi system TV the audio signal may not be heard or may be noisy if the colour system select switch of the TV is adjusted to the AUTO position In such a case set the TV s colour system select switch to the appropri ate position which corresponds...

Page 77: ...el set has not been set correctly by Auto Set Up function pg 6 or if you have moved to a different area or if a new station starts broadcasting in your area Your recorder needs to memorise all necessary stations in channel positions in order to record TV programmes Auto Channel Set automatically assigns all receivable stations in your area so that you can call them up with the PR buttons without g...

Page 78: ...on page 43 RETURN TO NORMAL SCREEN 6 Press MENU BAND SELECT VHF L VHF H UHF 5 MENU EXIT MANUAL CH SET PLEASE WAIT VHF L 300MHZ MENU EXIT STORE CONTINUE 5 MENU EXIT fi fi fi fi IMPORTANT If no sound accompanies the picture or the audio sounds unnatural on some channels that have been stored by Auto Channel Set the TV system setting for those channels may be incorrect Select the appropriate TV system fo...

Page 79: ...3 and CH09 ACCESS TUNER SET SCREEN 1 Perform steps 1 3 of Auto Channel Set on page 38 ACCESS CHANNEL LIST 2 Press PUSH JOG fi to place the pointer next to CH EDIT then press OK or PUSH JOG SELECT POSITION e g 03 3 Press PUSH JOG fi until the section of CH 03 begins blinking then press OK or PUSH JOG Only 03 will blink SELECT POSITION e g 09 4 Press NUMBER keys to input 0 and 9 The two selected chann...

Page 80: ...LECT SYSTEM MENU EXIT TV System Selection When you see the picture but the audio can t be heard or sounds unnatural ACCESS TUNER SET SCREEN 1 Perform steps 1 3 of Auto Channel Set on page 38 ACCESS CHANNEL LIST 2 Press PUSH JOG fi to place the pointer next to CH EDIT then press OK or PUSH JOG SELECT CHANNEL 3 Press PUSH JOG fi until the channel you want to change its TV system begins blinking then p...

Page 81: ...POSSIBLE CAUSE If you re using the RF OUT connec tion the TV receiver s channel selector is not set to the VIDEO channel the recorder s VIDEO channel has not been correctly set If you re using the AV connection the TV receiver is not set to the AV mode This is normal The automatic tracking mode is engaged The automatic tracking mode is engaged Automatic tracking is engaged The video heads may be d...

Page 82: ...ape Remove the cassette and cover the hole with adhesive tape or insert a cassette with the Record Safety tab intact Check the programmed data and re program as necessary then press again The programme may not have been recorded in its entirety Next time make sure you have enough time on the tape to record the entire programme Refer to G CODE SHOWVIEW System Setup and re perform the procedure pg 2...

Page 83: ...ing camcorder record ing 2 When scanning channels some of them are skipped over 3 The channel cannot be changed 4 Channel settings that were made manually seem to have changed or disappeared 5 No channels are stored in the recorder s memory 6 is displayed on the front display panel after a power outage POSSIBLE CAUSE The camcorder s microphone is too close to the TV The TV s volume is too high Tho...

Page 84: ...nning of the continuation of recording Why does this happen A This is normal It reduces distortion at the pause and resume points Q Can the video recorder indefinitely remain in the Record Pause mode A No The video recorder goes to its Stop mode auto matically after 5 minutes to protect the heads Q What happens if the tape runs out during recording A The video recorder automatically rewinds it to ...

Page 85: ...REC LINK indicator pg 31 REAR VIEW 0 COLOUR SYSTEM Button pg 38 Display Panel pg 49 Infrared Beam Receiving Window PR Buttons pg 17 DISPLAY Button pg 18 RECORD Button pg 17 STOP EJECT Button pg 11 PAUSE Button pg 12 5 AUDIO VIDEO IN Connectors pg 36 6 AUDIO VIDEO OUT Connectors pg 3 36 7 RF OUT Connector pg 3 SP LP EP DISLAY PR COLOUR SYSTEM REC LINK VIDEO MONO L AUDIO R STANDBY ON REVIEW SP 8 4 0...

Page 86: ...s pg 17 6 Instant REVIEW Indicator pg 13 7 Audio Level Indicator 8 Cassette Loaded Mark 9 Counter Display 0 Mode Display L 1 or F 1 8 9 0 7 1 4 6 5 2 3 REVIEW SP 8 4 0 6 15dB NORM STILL SLOW RECORD RECORD PAUSE PLAY FF REW VARIABLE SHUTTLE SEARCH 3 Timer Indicator pg 25 27 www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 87: ...ENTER ENTREE PR DATE STOP FIN START DEBUT 0000 AUX DAILY QTDN VPS PDC WEEKLY HEBDO AUDIO TV VCR i o u W 1 3 8 7 2 9 4 0 5 r e w q t y Q p E 6 How To Use The remote control can operate most of your video recorder s functions as well as basic functions of TV cable box satellite receiver and DVD sets of JVC and other brands pg 33 Point the remote control toward the sensor window The maximum operating...

Page 88: ... MHz 870 MHz Aerial output UHF channels Adjustable E28 E60 Memory backup time Approx 6 months Estimated figure based on supplied fresh battery actual performance may differ ACCESSORIES Provided accessories RF cable Infrared remote control unit R6 UM 3 battery x 2 Lithium battery CR2025 Conversion plug Not provided in certain areas Specifications shown are for SP mode unless otherwise specified Des...

Page 89: ... OF JAPAN LTD MS Printed in Malaysia 0600IYV YP PJ VICTOR COMPANY OF JAPAN LIMITED HR J777MS HR J677MS Registered Trademark owned by VICTOR COMPANY OF JAPAN LTD EN www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 90: ...G J271MS J471MS PQM30021 93 POLY BAG J677MS J777MS REF No PART No PART NAME DESCRIPTION REF No PART No PART NAME DESCRIPTION 302 302 HR J777MS 302 310 CABINET CHASSIS ASSY M2 307 312 308 306 306A 311 303 309 ADHESIVE TAPE ADHESIVE TAPE 307 312 308 302 HR J777MS 309 301 SPEC OF BARCODE 306 LP20878 008A REMOTE CONTROLLER 306A LP40610 002A COVER BATTERY 307 BATTERY X2 R6 TYPE 308 QPC02202230P POLY BA...

Page 91: ... 505D 505B 505A 505F 505E 505C 505G 510 517 512 514 503 504 502 503 513 A 511 SPEC OF BARCODE D B 522 522 C MINI FRONT MINI OPE BOARD ASSY 28 523 C WR3 Incl 03 LT BATTERY BOARD ASSY 93 MAIN BOARD ASSY 03 528 DEMOD BOARD ASSY 14 HR J777MS R PAUSE BOARD ASSY 91 HR J677MS J777MS 525 524 516 B K WR2 515 MECHANISM ASSY M4 516 518 K 518C 518A 518B D 501A 501C 501 501B www freeservicemanuals info 4 5 201...

Page 92: ...05A LP20084 003A UPPER DRUM ASSY J271MS LP20084 006A UPPER DRUM ASSY J471MS LP20616 002A UPPER DRUM ASSY J677MS J777MS 505B PDM4439 CAP 505C PDM4444 19 2 WASHER 505D LP40572 001A COLLARASSY 505E LP40323 001A CONTACT 505F LP30004 014A COMPRESSION SPRING 505G LP40174 001B FPC PLATE 506 PDZ0179 1 4 ROTOR ASSY 507 QYSPSP3006Z SCREW X2 508 QAR0119 001 STATOR ASSY 509 QYSPSPH2606Z SCREW X2 510 QYTDST261...

Page 93: ...37 35 82 81 80 129 130 136 76 89 102 90 78 77 74 79 105 8 7 120 103 10 11 6 56 40 A C HEAD BOARD ASSY 12 LOADING MOTOR BOARD ASSY 55 131 127 137 137 132 121 123 125 135 133 119 117 115 138 116 AA AA AA AA AA AA AA AA AA AA AA AA AA AA 1 AA AA BB 87 15 AA AA 71 AA AA 128 AA BB Classifi Part No Symbol in cation drawing Grease KYODO SH P AA Oil COSMO HV56 BB NOTE The section marked in AA and BB indic...

Page 94: ...ATE 72 LP40379 001B CTL BRACKET 1 73 QYTDSF2608M SCREW 74 LP40108 002A TENSION ARM ASSY 76 LP30003 010A TENSION SPRING 77 LP40109 003D TENSION BRAKE ASSY 78 PQ46302 1 3 ADJUST PIN 79 LP30232 002A TENSION ARM BEARING 80 LP40532 008A MAIN BRAKE ASSY SUPPLY 81 LP40111 011A MAIN BRAKE ASSY TAKE UP 82 LP30003 026A TENSION SPRING 83 LP40112 001F SUB BRAKE ASSY TAKE UP 84 LP40357 002A TENSION SPRING 85 L...

Page 95: ... PDTA144WU TRANSISTOR or RN2309 TRANSISTOR or UN511E TRANSISTOR Q2051 2SC4081 QRS X TRANSISTOR or 2PC4081 R X TRANSISTOR or 2SD1819A QRS X TRANSISTOR Q2052 2SA1576A QR X TRANSISTOR or 2SB1218A QR X TRANSISTOR or 2PA1576 R X TRANSISTOR Q2053 DTC144WU TRANSISTOR or PDTC144WU TRANSISTOR or UN521E TRANSISTOR or RN1309 TRANSISTOR Q2054 2SA1576A QR X TRANSISTOR or 2PA1576 R X TRANSISTOR or 2SB1218A QR X...

Page 96: ...E D7004 1SS133 DIODE D7009 SLR 325VC T LE DIODE R1 NRSA02J 682X MG RESISTOR 6 8kØ 1 10W R2 NRSA02J 152X MG RESISTOR 1 5kØ 1 10W R3 NRSA02J 822X MG RESISTOR 8 2kØ 1 10W R6 NRSA02J 273X MG RESISTOR 27kØ 1 10W R7 NRSA02J 681X MG RESISTOR 680Ø 1 10W R8 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W R9 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W R12 QRE141J 0R0Y RESISTOR 0Ø 1 4W R37 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W R42 NRSA...

Page 97: ...ISTOR 18kØ 1 10W R3212 NRSA02J 181X MG RESISTOR 180Ø 1 10W R3213 NRSA02J 273X MG RESISTOR 27kØ 1 10W R3214 NRSA02J 181X MG RESISTOR 180Ø 1 10W R3215 NRSA02J 273X MG RESISTOR 27kØ 1 10W R3216 NRSA02J 474X MG RESISTOR 470kØ 1 10W R3217 NRSA02J 334X MG RESISTOR 330kØ 1 10W R3219 NRSA02J 103X MG RESISTOR 10kØ 1 10W R3220 NRSA02J 103X MG RESISTOR 10kØ 1 10W R3222 NRSA02J 472X MG RESISTOR 4 7kØ 1 10W R3...

Page 98: ...1HM 105 E CAPACITOR J471MS 1µF 50V C54 NCB21EK 103X CAPACITOR 0 01µF 25V C62 NCB21EK 104X CAPACITOR 0 1µF 25V C64 NDC21HJ 220X CAPACITOR 22pF 50V C65 NCB21AK 105X CAPACITOR 1µF 10V C81 NCB21HK 103X CAPACITOR 0 01µF 50V C89 NRSA02J 0R0X MG RESISTOR J271MS 0Ø 1 10W C90 NRSA02J 0R0X MG RESISTOR J271MS 0Ø 1 10W C106 NCB21HK 821X CAPACITOR 820pF 50V C108 NDC21HJ 680X CAPACITOR 68pF 50V C109 NCB21CK 224...

Page 99: ...C6519 NCB21HK 473X CAPACITOR 0 047µF 50V C7001 QDGB1HK 102Y CAPACITOR 0 001µF 50V C7002 QEKJ1HM 106 E CAPACITOR 10µF 50V C7007 QEKJ0JM 476 E CAPACITOR 47µF 6 3V C7008 NCB21EK 223X CAPACITOR 0 022µF 25V C7009 NDC21HJ 220X CAPACITOR 22pF 50V C7010 NCB21EK 104X CAPACITOR 0 1µF 25V C7011 QEKJ0JM 227 E CAPACITOR 220µF 6 3V C7013 NCB21HK 103X CAPACITOR 0 01µF 50V C7014 NCB21HK 103X CAPACITOR 0 01µF 50V ...

Page 100: ...1309 TRANSISTOR or UN521E TRANSISTOR Q201 2SA1576A QR X TRANSISTOR or 2PA1576 R X TRANSISTOR or 2SB1218A QR X TRANSISTOR Q2001 2SC4081 QRS X TRANSISTOR or 2SD1819A QRS X TRANSISTOR or 2PC4081 R X TRANSISTOR Q2002 2SC4081 QRS X TRANSISTOR or 2PC4081 R X TRANSISTOR or 2SD1819A QRS X TRANSISTOR Q2003 DTA144WU TRANSISTOR or PDTA144WU TRANSISTOR or RN2309 TRANSISTOR or UN511E TRANSISTOR Q2051 2SC4081 Q...

Page 101: ... or RD15ES B3 T2 ZENER DIODE D5302 MTZJ6 8A ZENER DIODE or RD6 8ES B1 T2 ZENER DIODE D5303 MTZJ27C ZENER DIODE or RD27ES B3 T2 ZENER DIODE D5304 1SS133 DIODE or 1SS270A DIODE D5306 MTZJ11C ZENER DIODE or RD11ES B3 T2 ZENER DIODE D5320 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W D6002 HZ30 2L T2 ZENER DIODE or HZ30 2LTD Z DIODE M D7002 RD9 1ES B2 T2 ZENER DIODE or UZ9 1BSB ZENER DIODE or MTZJ9 1B ZENER DIODE...

Page 102: ...NRSA02J 472X MG RESISTOR 4 7kØ 1 10W R3049 NRSA02J 101X MG RESISTOR 100Ø 1 10W R3050 NRSA02J 101X MG RESISTOR 100Ø 1 10W R3051 NRSA02J 471X MG RESISTOR 470Ø 1 10W R3052 NRSA02J 471X MG RESISTOR 470Ø 1 10W R3053 NRSA02J 471X MG RESISTOR 470Ø 1 10W R3054 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W R3055 NRSA02J 102X MG RESISTOR 1kØ 1 10W R3056 NRSA02J 472X MG RESISTOR 4 7kØ 1 10W R3057 NRSA02J 102X MG RESISTO...

Page 103: ... NRSA02J 103X MG RESISTOR 10kØ 1 10W R7031 NRSA02J 122X MG RESISTOR 1 2kØ 1 10W R7032 NRSA02J 182X MG RESISTOR 1 8kØ 1 10W R7033 NRSA02J 222X MG RESISTOR 2 2kØ 1 10W R7034 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W R7037 NRSA02J 563X MG RESISTOR 56kØ 1 10W R7040 NRSA02J 331X MG RESISTOR 330Ø 1 10W R7121 NRSA02J 101X MG RESISTOR 100Ø 1 10W R7123 NRSA02J 101X MG RESISTOR 100Ø 1 10W R7126 NRSA02J 750X MG RESI...

Page 104: ...25V C2226 QEKJ1CM 106 E CAPACITOR 10µF 16V C2227 NCB21CK 104X CAPACITOR 0 1µF 16V C2228 NCB21CK 104X CAPACITOR 0 1µF 16V C2251 QEKC1CM 476 E CAPACITOR 47µF 16V C2252 QCBB1HK 103 CAPACITOR 0 01µF 50V C2253 NCB21CK 104X CAPACITOR 0 1µF 16V C2254 NCB21CK 104X CAPACITOR 0 1µF 16V C2255 NDC21HJ 181X CAPACITOR 180pF 50V C3001 NCB21EK 104X CAPACITOR 0 1µF 25V C3002 NCB21HK 103X CAPACITOR 0 01µF 50V C3003...

Page 105: ...TACT SWITCH CH S7006 QSW0456 002Z TACT SWITCH CH S7008 QSW0456 002Z TACT SWITCH SP LP EP S7010 QSW0456 002Z TACT SWITCH DISPLAY S7011 QSW0456 002Z TACT SWITCH REC S7013 QSW0456 002Z TACT SWITCH STOP EJECT S7015 QSW0456 002Z TACT SWITCH PAUSE S7016 QSW0456 002Z TACT SWITCH REC LINK K2251 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W K2252 NRSA02J 0R0X MG RESISTOR 0Ø 1 10W K2253 NRSA02J 0R0X MG RESISTOR 0Ø 1 10...

Page 106: ...003X FERRITE BEAD K6702 NQR0200 003X FERRITE BEAD K6703 NQR0200 003X FERRITE BEAD K6704 NQR0200 003X FERRITE BEAD K6705 NQR0200 003X FERRITE BEAD K6706 NQR0200 003X FERRITE BEAD BK1 LP40077 001A BRACKET BOARD CN6701 QGG2502K1 10 HEADER PIN MINI FRONT BOARD ASSEEMBLY HR J271MS J471MS 28 PW6 LPA10088 01C6 MINI FRONT BOARD ASSY R7043 QRE141J 272Y RESISTOR 2 7kØ 1 4W R7044 QRE141J 472Y RESISTOR 4 7kØ ...

Page 107: ...al VHS mode 2 Audio circuits REC 1KHz 8 dBs sine wave signal in SP mode normal VHS mode PB REC then playback it 3 Movie Camera circuits Measured using a correctly illuminated gray scale or colour bar test chatrs in the E E mode 4 Indication on schematic diagram Waveform indications on the schematic diagram are as shown below 5 Waveform indications Waveform number WF25 REC PB 1 2 Vp p 50 mV 2 msec ...

Page 108: ...ate the signal path as follows Playback signal path Playback and recording signal path Recording signal path including E E signal path Capstan servo path Drum servo path Example R Y Y Playback R Y signal path Recording Y signal path 7 Indication of the parts for adjustments The parts for the adjustments are surrounded with the circle as shown below 8 Indication of the parts not mounted on the circ...

Page 109: ...P LP EP LP DRUM CTL V CN7001 CN6204 CN6202 OPEN REAR IN OPEN MINI FRONT 2 8 CAP REV L FRONT AUDIO FRONT VIDEO OPEN 4 1 OPEN OPEN MINI FRONT 0 6 3 5 SHUTTLE OPEN OPEN OPEN AC110 240V 50 60Hz OPEN AUDIO AUDIO MOD SDA MOD B AL5V MOD SCL SW1 SW2 Page 4 14 Page 4 11 ONLY USED FOR ONLY USED FOR SYSCON SW REG TUNER DISPLAY Page 4 7 Page 4 5 Page 4 9 Page 4 11 Page 4 13 BB AL5V VIDEO N AUDIO H G F E D C B...

Page 110: ...F1 Y Y Y Y WF8 WF7 C C C WF5 WF3 WF2 WF4 WF6 C C Y C Y Y C C C C C C Y TO A C HEAD HIFI MODEL HIFI MODEL NC TO TUNER 1 50 W24 0 01 0 01 OPEN Q26 OPEN OPEN OPEN Q12 QR 2SA1576A 220 6 3 OPEN 0 1 C89 0 0 18k 1 0 0015 JCP8021 MVC 4 7k 56k 56k 15k 10k OPEN 1 50 0 22 680 0 1 0 033 OPEN OPEN OPEN OPEN OPEN OPEN OPEN SHORT OPEN OPEN 33 33 22p 68p C112 12p C113 180p C114 180p R95 10k Q42 UN521E UN521E Q40 ...

Page 111: ... the Parts List NOTE AL5V OPEN 2SC4081 2SC4081 UN521K 1SS1355 OPEN W9 0 TO R PAUSE FW7104 TO C BOX CTL FW7105 TO VIDEO N AUDIO OPEN OPEN OPEN OPEN TO VIDEO N AUDIO OPEN C3055 TO VIDEO N AUDIO TO DISPLAY 4 3 TO TUNER TO TERMINAL OPEN OPEN OPEN OPEN 10p TIMER CLOCK R3240 OPEN R3241 OPEN 1k 0 01 0 100 100 0 01 0 0022 100p TO LT BATTERY FW7106 NOTES 1 For SYSCON waveforms please refer to page 4 35 OPE...

Page 112: ...PEN 0 680 10 OPEN SHORT AU01Z 0 OPEN OPEN OPEN OPEN OPEN 0 0 OPEN OPEN OPEN OPEN OPEN OPEN TO BS CONNECTION TO BS CONNECTION TO SYSCON TO SYSCON TO VIDEO N AUDIO 250 250 TO DISPLAY TO DISPLAY TO DISPLAY AC110 240V 50 60Hz 2A 250 VA5001 OPEN 82 400 SG5001 OPEN VA5002 OPEN OPEN 1SS133 220 820 270p 2 2k 0 0022 C5206 180 25 OPEN 0 056 R5306 56k TO TUNER TO TUNER 4 4 D5208 OPEN TO TUNER OPEN OPEN 2SK26...

Page 113: ...to order according to the Part Number indicated in the Parts List NOTE SW REG 3k ST VCO OPEN 0 OPEN 10 16 10 16 1 50 TO VIDEO N AUDIO TO VIDEO N AUDIO 4 5 MAIN TUNER OPEN OPEN OPEN R6552 OPEN R6551 OPEN OPEN OPEN OPEN OPEN OPEN R6032 OPEN OPEN R6033 OPEN 10 OPEN 0 3 3k 0 01 100 OPEN OPEN OPEN 100 16 100 100 OPEN 0 0 0 100P 100p 100p 100 16 0 10 UN5211 0 047 1 8k 1k 270 OPEN 2SB1218A RS H G F E D C...

Page 114: ... 2 7k 4 7k 6 8k JSB JSA T3 T2 T1 T4 GND KEY OUT T6 FDP OPEN OPEN 0 OPEN OPEN OPEN OPEN CN7008 OPEN UN7001 MAIN DISPLAY SHUTTLE 4 6 0 022 47 6 3 OPEN OPEN REW OPEN 0 1 2 3 5 4 A B C D E F G H DISPLAY AND MINI FRONT SCHEMATIC DIAGRAMS HR J271MS HR J471MS 4 13 4 14 1SS133 SLR 325VC 330 OPEN OPEN SHORT GP1U291Q OPEN OPEN FF PLAY REC LINK SP LP EP REC OPEN CH PAUSE C SYSTEM CH STOP EJECT OPEN 0 0 REC L...

Page 115: ...6203 BS AUDIO L BS AUDIO R TO BS TUNER CN7102 CN6201 BIT IN BIT OUT DET IN DET OUT OPEN OPEN PAUSE COMP OPEN When ordering parts be sure to order according to the Part Number indicated in the Parts List NOTE TO SYSCON FW3002 TO SYSCON FW3001 0 6 OPEN TO SYSCON CN3007 MAIN TERMINAL 2SA1576A QRS TO SYSCON TO SYSCON TO SW REG When ordering parts be sure to order according to the Part Number indicated...

Page 116: ... UP 5V CN3006 J7107 MOD B AL5V 1 2 3 5 4 A B C D E F G H 4 9 BOARD INTERCONNECTIONS HR J677MS HR J777MS 4 17 4 18 Page 4 32 Page 4 33 9 3 LITHIUM BATTERY Page 4 27 ANT OUT OPEN Page 4 24 OPEN AC110 240V OPEN Page 4 30 LP EP LP EP LP EP LP EP LP EP LP EP MAIN VIDEO AUDIO Page 4 19 ON SCREEN Page 4 21 SYSCON Page 4 23 SW REG Page 4 25 TUNER Page 4 27 DISPLAY Page 4 29 TERMINAL Page 4 31 CON1 www fre...

Page 117: ...DEL HIFI MODEL MAIN VIDEO AUDIO L L L L L L R R R L R R R R R L L WF14 WF15 WF13 WF11 WF12 R R R R L L L WF10 WF9 WF8 WF7 Y Y Y Y Y C C C WF3 WF6 WF5 WF4 WF2 WF1 0 TO SECAM Q21 Q34 C2206 H G F E D C B A 4 5 3 2 1 4 10 4 19 4 20 NOTE For VIDEO AUDIO waveforms Please refer to page 4 36 LP EP LP EP NC OPEN OPEN JCP8020 MSD 2 OPEN OPEN OPEN 2 7k 680 R L 0 1 50 0 1 50 L R 2 2k 1k 0 47 50 2 2k 1k 0 47 5...

Page 118: ...arts be sure to order according to NOTE TO VIDEO AUDIO TO SYSCON S CLK C210 47p C211 47p NOTE For ON SCREEN waveforms please refer to page 4 36 WF1 WF2 1 2 3 5 4 A B C D E F G H 4 11 ON SCREEN SCHEMATIC DIAGRAM HR J677MS HR J777MS 4 21 4 22 LC74789N 9795 www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 119: ...rt of models marks TO VIDEO AUDIO CN3006 IC3001 OPEN C3025 M O D E L REF NO H G F E D C B A 4 5 3 2 1 4 12 SYSTEM CONTROL AND LITHIUM BATTERY SCHEMATIC DIAGRAMS HR J6777MS HR J777MS 4 23 4 24 CON1 3300 6 3 OPEN 1k OPEN RB721Q 40 OPEN OPEN 4 7k 4 7k OPEN OPEN OPEN OPEN OPEN OPEN OPEN HD6432192A73F MESECAM H 3 58NTSC H 4 7k 470 1k C3025 Timer clock TO SYSCON CN3005 TO LT BATTERY FW7006 NOTES 1 For S...

Page 120: ...TO TUNER TO DISPLAY TO DISPLAY When ordering parts be sure to order according to the Part Number indicated in the Parts List NOTE TO VIDEO AUDIO IC5301 1 2 3 5 4 A B C D E F G H 4 13 SWITCHING REGULATOR SCHEMATIC DIAGRAM HR J677MS HR J777MS 4 25 4 26 AC110 240V B5001 SHORT LF5001 OPEN OPEN SHORT B5002 82 400 220k 220k 220 2 2k AK04 0 R5301 2 2 OPEN OPEN LA5613 0 056 0 OPEN 0 OPEN OPEN OPEN OPEN OP...

Page 121: ...TO TERMINAL When ordering parts be sure to order according to the Part Number indicated in the Parts List NOTE L R L R RF OUT TU6001 DTC114EUA H G F E D C B A 4 5 3 2 1 4 14 TUNER SCHEMATIC DIAGRAM HR J677MS HR J777MS 4 27 4 28 HR J777MS HR J677MS NOTE Comparison chart of models marks HR J677MS HR J777MS 2 2k 0 C6032 B6511 100 100 16 100 22p 100p 100p 100p 470 10 OPEN 0 047 OPEN 0 0 10 47 www free...

Page 122: ...N PLAY REW FF OPEN 2 7k 4 7k 6 8k OPEN OPEN OPEN JSB JSA T3 T2 T1 T4 GND KEY OUT T6 SHUTTLE CN7005 GP1U291Q MINI OPE 1 2 3 5 4 A B C D E F G H 4 15 4 29 4 30 POWER REC LINK SP LP EP C CYSTEM 0 OPEN OPEN OPEN CN7008 DISPLAY AND MINI OPE SCHEMATIC DIAGRAMS HR J677MS HR J777MS UN7001 REC LINK www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 123: ...o the Part Number indicated in the Parts List NOTE R R R R R R R L L L L L L L L 1 AV2 IN DECODER L 2 L R J7107 SAT CONTROL H G F E D C B A 4 5 3 2 1 4 16 TERMINAL AND R PAUSE SCHEMATIC DIAGRAMS HR J677MS HR J777MS 4 31 4 32 0 OPEN 330 OPEN 100 16 0 1 OPEN OPEN OPEN OPEN 0 OPEN 75 470 6 3 OPEN OPEN OPEN OPEN 100 100 V OUT R L OPEN OPEN OPEN OPEN OPEN OPEN OPEN SHORT B7202 0 10k 1W www freeservicem...

Page 124: ...X6701 18 432MHz TU MUTE TO TUNER CN6701 When ordering parts be sure to order according to the Part Number indicated in the Parts List NOTE DEMOD 1 2 3 5 4 A B C D E F G H 4 17 DEMODULATOR SCHEMATIC DIAGRAM HR J777MS 4 33 4 34 OPEN OPEN OPEN OPEN 100 220p 47 12 www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 125: ...V WAVEFORMS HR J677MS HR J777MS WF2 IC1 11 REC PB 0 48 Vp p 10 mV 20 µsec DIV VIDEO AUDIO WF3 IC1 13 REC PB 0 48 Vp p 10 mV 20 µsec DIV WF4 IC1 20 REC 1 0 Vp p 20 mV 20 µsec DIV WF5 IC1 27 REC PB 2 2 Vp p 50 mV 20 µsec DIV WF6 IC1 30 PB 0 76 Vp p 20 mV 20 µsec DIV WF7 IC1 48 PB 0 5 Vp p 10 mV 0 5 msec DIV WF8 IC1 52 REC 0 11 Vp p 2 mV 0 5 msec DIV WF9 IC1 62 REC PB 0 92 Vp p 20 mV 0 5 msec DIV WF1...

Page 126: ...RCUIT BOARDS HR J271MS HR J471MS 4 37 4 38 03 MAIN DANGEROUS VOLTAGE 55 LOADING MOTOR LPB10010 001A 12 A C HEAD LPB10010 001A 93 LITHIUM BATTERY LPB10088 002D 28 MINI FRONT LPB10088 002D LPB10088 002D www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 127: ...01 B C 20N Q902 B C 20N Q2001 B C 11O Q2002 B C 11O Q2003 B C 10O Q2051 B C 9P Q2052 B C 7O Q2053 B C 7O Q2054 B C 7O Q2055 B C 7O Q2101 B C 13O Q2251 B C 17M Q3001 A D 4I Q3002 A D 19I Q3003 B C 6M Q3004 B C 6D Q3005 B C 17E Q4001 B C 7D Q4002 B C 5B Q5101 A D 2L Q5102 A D 2L Q5301 A D 3G Q5302 B C 3F Q5303 A D 22G Q5306 A D 3F Q5307 B C 2E Q5308 B C 3E Q5310 B C 4E Q5311 B C 3F Q5312 A D 1C Q531...

Page 128: ...5308 A D 3F D5309 A D 4D D5310 A D 4H D5311 A D 4D D5320 B C 2E D6002 A D 21M D7002 A D 7A D7003 A D 8B D7004 A D 17A D7005 A D 17A D7009 A D 16A D7010 A D 16A D7101 A D 17O D7102 A D 17O D7103 A D 10P D7104 A D 10P D7105 A D 10P D7106 A D 18P IC IC1 B C 13M IC201 A D 19G IC301 A D 8J IC3001 B C 12F IC3002 B C 14D IC3003 A D 19F IC3004 A D 7N IC5301 A D 2E IC6080 B C 22J IC7001 B C 12B IC7002 A D ...

Page 129: ...E LPB10086 001E 93 LITHIUM BATTERY LPB10086 001E 28 MINI OPE LPB10086 001E 03 MAIN DANGEROUS VOLTAGE LPB10086 001E MAIN A C HEAD MINI OPE R PAUSE LITHIUM BATTERY AND LOADING MOTOR CIRCUIT BOARDS HR J677MS HR J777MS www freeservicemanuals info 4 5 2017 Digitized in Heiloo Netherland ...

Page 130: ...1 e 4G S3 S1 S2 8 4 0 6 15dB NORM 6G 4G 3G 2G 5G 8 4 0 6 15dB B10 B1 B10 S4 B1 6G 5G 1 2 1G 4 20 DEMODULATOR CIRCUIT BOARD HR J777MS 4 43 4 44 4 21 14 DEMOD LPB10094 001B REF NO LOCATION REF NO LOCATION REF NO LOCATION CAPACITOR C6701 B C 1A C6702 B C 2A C6703 B C 1B C6704 B C 1B C6705 B C 2B C6706 B C 2B C6707 B C 2B C6708 B C 2A C6709 B C 2A C6710 B C 3B C6711 B C 3B C6712 B C 4B C6713 B C 4C C6...

Page 131: ...0 5 0 52 2 4 2 4 53 2 5 2 5 54 0 0 55 0 0 56 4 9 4 9 57 4 9 4 9 58 0 0 59 0 0 60 0 0 61 0 0 62 4 9 4 9 63 4 9 4 9 64 0 0 65 2 6 2 6 66 0 4 0 4 67 2 3 2 3 68 2 3 2 3 69 2 3 2 3 70 2 3 2 3 71 0 0 72 2 3 2 3 73 4 8 4 8 74 2 8 2 3 75 1 9 2 3 76 2 3 2 3 77 0 0 78 0 0 79 4 4 4 4 80 0 0 81 4 9 4 9 82 0 0 83 0 4 0 84 0 0 85 4 6 4 9 86 4 1 4 1 87 0 0 88 0 0 89 0 0 90 0 0 91 0 0 92 4 9 0 93 0 0 94 4 3 4 3 9...

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Page 133: ...49 17 50 18 100 23 110 24 20 83 50 49 47 65 40 64 41 69 37 67 38 48 81 15 85 17 79 66 25 34 95 53 96 51 98 52 97 60 7 61 8 57 9 22 86 56 77 72 31 76 56 75 57 C3025 C3018 TIMER CLOCK Q3003 Q3002 Q3002 Q3001 IC3002 IC3003 NOTE IC3003 IC3004 SERIAL MEMORY 78 77 93 OSD CS SYNC DET H P MUTE L AFC I2C DATA2 I2C DATA I2C CLK2 I2C CLK TU A MUTE H TU MUTE H S DATA FRSYS S CLK ON SCREEN 87 14 99 88 35 104 2...

Page 134: ...TL fH ACC Emph Main Offset Carrier C D C W S DET Filter FM fo Dev Adj MOD REC EP1 EP1 EP2 SP1 CH2 CH1 EP2 L SECAM TRAP P FM DET AGC L SECAM 629 R P REC MUTE YCA LPF 2M HPF R 4Phase P Gen LP EP SP SP2 CH2 CH1 SP1 SP2 DET SECAM DET ME DET Comp ANC T SYSCON NORMAL MESECAM TO LP LP VIDEO HEAD CH1 CH2 2 1 4 3 6 5 2 1 4 3 6 5 2 1 EP 4 3 6 5 EP SP 7 8 CN1 USED NOT U DRUM 7 8 7 8 SP CH1 CH2 About IC Pin N...

Page 135: ...N REC H TO A ERASE REC PB F ERASE 4 5 6 7 A C HEAD 2 1 N REC ST H MAIN VIDEO N AUDIO TERMINAL 53 63 62 61 78 EP LP ON 95 96 97 98 99 R2017 C2011 R2013 R2015 C2006 C2007 FULL ERASE HEAD CN1 VIDEO N AUDIO SIGNAL PROCESSOR IC1 J1 REAR AUDIO IN TUNER 4 1 H G F E D C B A 4 5 3 2 1 AUDIO BLOCK DIAGRAM HR J271MS HR J471MS ONLY USED FOR HR J471MS 4 27 4 53 4 54 www freeservicemanuals info 4 5 2017 Digitiz...

Page 136: ... HIFI 60 93 116 117 118 119 R2017 C2011 C2006 C2007 R2013 R2015 FILTER FILTER 6 5 CN2001 CN2002 Q2051 Q2052 Q2055 T2051 FULL ERASE HEAD A ERASE REC PB TRANS OSC POWER SW 4 3 2 1 2 1 F ERASE 4 5 6 7 A C HEAD 2 1 N REC ST H SYSCON A MUTE H H REC ST H 92 A MUTE H SELECT INPUT SW 50 48 82 63 64 NOT USED CN1 FMA CH1 FMA CH2 9 10 11 9 10 11 12 9 12 11 10 CN1 AUDIO HEAD MAIN VIDEO AUDIO TERMINAL DEMOD L ...

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