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Страница: 42 / 74

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3-4(No.YD088)

VHS

mechanism assembly and parts list

Mark

Description

Floil G-684G or Multemp MH-D (Blue grease)
SLIDUS OIL #150

Chassis Assembly
Top View (Lubricating Point)

Chassis Assembly
Bottom View (Lubricating Point)

10

35

76

25

53

10A

24

14

68

6

69

13

5

1

3

71

8

7

55

34

11

15

4

75

37

4B

4A

74

74

67

Block No. M2MM

(ATTENTION)
These parts which symbol No. are from 2 to 76 can not be supplied.
When these parts must be exchanged, Please order the VHS mechanism assembly.(Page 3-2 Symbol No,

6

)

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Содержание HR-V525SEF

Страница 1: ...CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 9 3 DISASSEMBLY 1 10 4 ADJUSTMENT 1 22 5 TROUBLESHOOTING 1 31 HR V525SEF V18D1 Area Suffix EF French Republic VIDEO MONO L AUDIO R AUTO RETURN PR 0 7 8 9 6 5 4 3 2 1 EJECT AUDIO I SLOW COUNTER MEMORY 0000 MENU REC QUICK FIND SEARCH SYSTEM REMOTO CONTROL REM SHR006E SP LP VCR PR ...

Страница 2: ... G E2 E12 E21 E69 A H Only Italy CATV Timer indication 24 hour system Operating temperature 5ºC 40ºC Terminals AERIAL Coaxial type female RF OUT Coaxial type male AUDIO VIDEO 21 pin scart socket x 2 VIDEO input RCA connector x 1 AUDIO input output RCA connector x 4 Electrical Specifications Video output level 1Vp p Video output impedance 75Ω unbalanced Audio output level 6dBv Video input level 0 5...

Страница 3: ...d internal wiring Note especially a Wires covered with PVC tubing b Double insulated wires c High voltage leads 4 Use specified insulating materials for hazardous live parts Note especially a Insulation tape b PVC tubing c Spacers d Insulators for transistors 5 When replacing AC primary side components transform ers power cord etc wrap ends of wires securely about the terminals before soldering 6 ...

Страница 4: ...ble parts RF terminals antenna terminals video and au dio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the ta ble below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across the terminals of load Z See Fig 2 and the fol lowing table F...

Страница 5: ... glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig 6 4 Release the flat pack IC from the CBA using tweezers Fig 6 1 2 3 1 2 Caution 1 The Flat Pack IC shape may differ by models Use an ap propriate hot air flat pack IC desoldering machine whose shape matches that of the Flat Pack IC 2 Do not su...

Страница 6: ...er flux which is applied to all pins of the flat pack IC you can remove it easily Fig 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig 5 4 Bottom of the flat pack IC is fixed with glue to the ...

Страница 7: ...ctors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work 1 2 4 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is properly ground ed to remove any static electricity that may be charged on the body 1 2 4 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or oth...

Страница 8: ...a tape into the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mech anism Assembly Make sure the power is on connect TP507 S INH to GND This will stop the function of Tape Start Sen sor Tape End Sensor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sen sors will stay valid See Fig 1 Note Because the Tape End Sens...

Страница 9: ... No YD088 1 9 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 10: ...king Tabs L 1 and L 2 are fragile Be careful not to break them 1 Remove five Screws S 2 three Screws S 3 andScrew S 4 Then slowly lift the VCR Chassis Unit Deck Assem bly Jack CBA and Main CBA up 2 When reassembling solder wire jumpers as shownin Fig 5 3 Before installing the Deck Assembly be sure to place the pin of LD SW on Main CBA as shown in Fig 6 Then install the Deck Assembly while aligning...

Страница 11: ... No YD088 1 11 Fig 1 Fig 2 Fig 3 Fig 4 S 1 S 1 S 1 1 Top Case L 2 L 1 2 Front Assembly L 2 S 2 S 2 S 4 S 2 S 2 S 3 S 3 S 3 3 VCR Chassis Unit S 5 4 Jack CBA Desolder ...

Страница 12: ...d From Cylinder Assembly From ACE Head Assembly Lead with white stripe Lead with blue stripe Desolder from bottom Lead with blue stripe From Capstan Motor Assembly Lead connections of Deck Assembly and Main CBA Printing side TOP VIEW 8 Jack Board L 3 6 Main CBA SW507 LD SW LD SW Pin Hole Hole Shaft Cam Gear 6 Main CBA 5 Deck Assembly Pin ...

Страница 13: ...E Head Assembly T 1 7 S 4 10 2 Tape Guide Arm Assembly T 1 8 P 2 11 10 C Door Opener T 1 8 S 4A L 4 12 11 Pinch Arm B T 1 8 9 P 3 13 12 Pinch Arm A Assembly T 1 8 9 14 14 FE Head T 1 10 S 5 15 15 Prism T 1 10 S 6 16 2 Slider Shaft T 11 L 5 17 16 C Drive Lever SP T 11 18 16 C Drive Lever TU T 11 S 7 P 4 19 19 Capstan Motor B 2 12 3 S 8 Cap Belt 20 20 Clutch Assembly HI B 2 13 C 1 21 20 Center Gear ...

Страница 14: ...2 L 2 two Locking Tabs L 2 7 Adjustment Information for Installation Refer to Deck Exploded Views for lubrication 22 F Brake Assembly HI is not used in 2 head model 38 37 Tension Lever Assembly T 1 17 39 38 T Lever Holder T 17 L 10 40 40 M Gear HI T 1 17 C 6 41 15 40 Sensor Gear HI T 1 17 C 7 42 36 40 Reel T T 1 17 43 38 Reel S T 1 17 44 34 38 Moving Guide S Preparation T 1 18 S 11 Slide Plate 45 ...

Страница 15: ... No YD088 1 15 Fig 1 Fig 2 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Top View 34 19 35 25 26 24 23 27 33 20 28 22 Bottom View ...

Страница 16: ...Slot A Slot A Pull up Slide 1 2 A 3 6 6 L 2 Pin A Hole A Pin B Hole B L 1 First insert 6 diagonally in 3 as shown below Then install 6 in 3 while pushing L 1 in a direction of arrow After installing 6 in 3 confirm that pin A of 3 enters hole A of 6 properly Installation of 3 and 6 View for A 2 1 4 Install 6 in 4 while pulling L 2 in a direction of arrow After installing 6 in 4 confirm that pin B o...

Страница 17: ... bottom Lead with White Stripe A 8 11 13 12 10 L 4 P 3 P 2 Pin of 12 Pin of 10 Groove of 27 View for A When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 27 as shown 27 Removal of 11 1 Remove screw S 4A 2 Unhook spring P 2 3 Release L 4 while holding 12 with a finger 4 Loosen a finger holding 12 and remove 11 A S 4A ...

Страница 18: ...r to Fig A Fig A 13 12 P 3 Fig B Top view Install pin of 12 in groove of 27 Refer to Fig B 27 Press both 12 and 13 till the groove of chassis pin appears and adjust 13 to the notch of chassis Then turn 13 a little in the direction of the arrow while pressing 12 Refer to Fig C Fig C Groove of pin of chassis Notch of chassis turn 13 12 Install 11 and 10 while holding 12 Refer to Fig DM8H 1 14 15 S 6...

Страница 19: ... No YD088 1 19 Fig 12 Fig 13 19 Cap Belt S 8 19 20 Cap Belt A Installation position of Cap Belt View for A L 6 22 20 C 1 21 27 Pin on 22 Position of pin on 22 turn ...

Страница 20: ...ew First tooth on 47 First groove on 27 Align 26 and 27 as shown Pin of 36 Pin of 33 Position of Mode Lever when installed Pin of 37 Bottom View Installation of 26 When reassembling 27 meet the first groove on 27 to the first tooth on 47 as shown 32 L 9 P 5 34 35 Refer to the Alignment Section Page 1 33 33 ...

Страница 21: ... No YD088 1 21 Fig 17 Fig 18 Fig 19 39 L 10 37 P 6 43 38 36 42 40 41 C 6 C 7 turn turn turn 44 45 46 L 11 Slide Plate S 11 47 48 Slide ...

Страница 22: ...loscope Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape MHPE 4 1 2 Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Playback the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 vid...

Страница 23: ...yl alcohol 2 After cleaning the parts do all DECK ADJUSTMENTS 3 For the reference numbers listed above refer to Deck Exploded Views 13 Recording model only 15 Not used in 2 head model h Hours Cleaning Replace Deck Periodic Service Schedule Ref No Part Name 1 000 h 2 000 h 3 000 h 4 000 h 1 Cylinder Assembly 2 Loading Motor Assembly 4 Pulley Assembly 66 Tension Lever Assembly 9 ACE Head Assembly 57...

Страница 24: ...ry hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before oper ating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth 4 2 2 2 Cleaning of ACE Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 ethyl alcohol and clean the ACE Head Be careful not to da...

Страница 25: ...tment of ACE Head 1 Alignment Tape MHPE L 4 Head model Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform 2 Guide Roller Adj Screwdriver PTU94002 Guide Roller 3 Mirror Available Locally Tape Transportation Check 4 Azimuth Adj Screwdriver Available Locally ACE Head Height 5 Flat Screwdriver Available Locally X Value ...

Страница 26: ...ake sure that the Moving guide preparations are in the Eject Position d Turn the LDG Belt in the appropriate direction shown in Fig 1 until the Moving guide preparations come to the Eject Position Stop turning when the prepara tions begin clicking or can not be moved further However the tape will be left wound around the cyl inder e Turn the LDG Belt in the appropriate direction contin uously and ...

Страница 27: ...ide Guide Rollers Use a blank tape Adjust the height of the Guide Rollers Supply side and take up side Use a blank tape Loading Use a blank tape Adjust the envelope Check the envelope Adjust the Audio Section Azimuth Alignment Check the audio output Check the following 1 X Value 2 Envelope Adjust the X value and envelope No good Completion No good OK OK OK No good No good OK Flowchart of Alignment...

Страница 28: ...tain maximum PB FM envelope signal at the preset po sition of the Tracking Control Circuit align the Horizontal Posi tion of the ACE Head Symptom of Misalignment If the Horizontal Position of the ACE Head is not properly aligned maximum PB FM envelope cannot be obtained at the preset position of the Tracking Control Circuit 1 Connect the oscilloscope to TP301 C PB and TP503 CTL on the Main CBA Use...

Страница 29: ... Screw driver 3 If the envelope is as shown in Fig 7 adjust the height of Guide Roller 2 Refer to Fig 3 so that the waveform looks like the one shown in Fig 9 4 If the envelope is as shown in Fig 8 adjust the height of Guide Roller 3 Refer to Fig 3 so that the waveform looks like the one shown in Fig 9 5 When Guide Rollers 2 and 3 Refer to Fig 3 are aligned properly there is no envelope drop eithe...

Страница 30: ...to ensure preset position The number of pushes of the PR button on the unit to achieve 1 2 level of envelope should match the number of pushes of the PR button on the unit from center If required redo the X Value Alignment 4 4 2 5 Checking and Alignment of Tape Path during re versing Purpose To make sure that the tape path is well stabilized during re versing Symptom of Misalignment If the tape pa...

Страница 31: ... and PR button to complete this mode 5 2 FUNCTION INDICATOR SYMBOLS Note The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR On screen modes will also be momentarily displayed on the tv screen when you press the operation buttons 5 2 1 Display panel MODE INDICATOR ACTIVE POWER ON PWR ON CASSETTE IN CASSETTE OUT ON OFF CLOCK 88 88 ON REC REC...

Страница 32: ...roperly Fig 4 P ON Power safety detection Fig 5 Cause Indicator Active When reel or capstan mechanism is not functioning correctly R is displayed on a TV screen Refer to Fig 1 When tape loading mechanism is not func tioning correctly T is displayed on a TV screen Refer to Fig 2 When cassette loading mechanism is not functioning correctly C is displayed on a TV screen Refer to Fig 3 When the drum i...

Страница 33: ...l or electrical parts 5 3 1 Alignment points in Eject Position Fig 1 5 3 1 1 Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their trian gle marks point to each other as shown in Fig 2 5 3 1 2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm SP Assembly so that the last tooth of the gear meets the most inside t...

Страница 34: ... A COMP Head Amp Comparator Signal H L 18 OUT RF SW Video Head Switching Pulse H L 19 OUT Hi Fi H SW Hi Fi Audio Head Switching Pulse H L 20 N U Not Used 21 N U Not Used 22 N U Not Used 23 N U Not Used 24 N U Not Used 25 N U Not Used 26 N U Not Used 27 N U Not Used 28 OUT LINE MUTE Audio Mute Control Signal H 29 N U Not Used 30 N U Not Used 31 IN REC SAF SW Recording Safety SW Detect With Record t...

Страница 35: ...tor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L Pin No IN OUT Signal Name Function Active Level Notes Abbreviation for Active Level PWM Pulse Wide Modulation A D Analog Digital Converter 79 IN S REEL Supply Reel Rotation Signal PULSE 80 IN T REEL Take Up Reel Rotation Signal PULSE 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z 82 N U Not Used 83 OU...

Страница 36: ...B E M3776AMCA AA4GP U1 KRA103M AT P KRC103M AT P KTA 1266 GR AT P KTA1267Y AT P KTC3199 BL GR Y AT P KTA1281Y AT P KTC3203 Y AT P KTC3205 Y AT P CAT24WC02WI TE13 2SK3566 RN1511 TE85R F Note A Anode K Cathode E Emitter C Collector B Base R Reference S Source G Gate D Drain PT204 6B 12 LA72648M MPB E MSP3417G QG B8 V3 KRC103S RTK P KTA1504S Y RTK P KTC3875Y RTK KTC3875S Y RTK P 1 14 28 15 PT6958 FN ...

Страница 37: ... No YD088 1 37 ...

Страница 38: ... No YD088 VPT Printed in Japan DIGITAL VIDEO STORAGE CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited ...

Страница 39: ...arts list 3 2 3 4 3 9 3 13 SAFETY PRECAUTION Parts identified by the symbol are critical for safety Replace only with specified part numbers BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance We recommend that genuine JVC parts be used x_ in a description column shows the number of the used part Area Suffix EF French Republic ...

Страница 40: ...trical Parts List for parts with this mark Some Ref Numbers are not in sequence JACK CBA SENSOR CBA OT 2 OT 3 AFV CBA SUB JACK CBA MAIN CBA 12 16 12 12 7 15 12 12 14 14 3 4 6 5 17 14 10 10 See MCV board Block No 01 A 4 See MCV board Block No 01 A 5 See MCV board Block No 01 OT 4 See MCV board Block No 01 OT 1 ...

Страница 41: ...der assembly 7 FU 0VM306638 SHEILD CYLINDER 8 FU 0VM413251 CUSHION x3 9 FU 0VM412906 FIBER TOP CASE x2 10 FU GBCP3100 SCREW P TIGHT 3X10 BIND HEAD x7 11 FU GBCP3100 SCREW P TIGHT 3X10 BIND HEAD 12 FU GCJP3100 SCREW P TIGHT M3 10 WASHERHEAD x5 13 FU GBJS3060 SCREW S TIGHT M3X6 BIND HEAD 14 FU GBJP3080 P TIGHT SCREW M3X8 BIND HEAD x3 15 FU GBJP3080 P TIGHT SCREW M3X8 BIND HEAD 16 FU GBJS3050 SCREW M...

Страница 42: ...Top View Lubricating Point Chassis Assembly Bottom View Lubricating Point 10 35 76 25 53 10A 24 14 68 6 69 13 5 1 3 71 8 7 55 34 11 15 4 75 37 4B 4A 74 74 67 Block No M2MM ATTENTION These parts which symbol No are from 2 to 76 can not be supplied When these parts must be exchanged Please order the VHS mechanism assembly Page 3 2 Symbol No 6 ...

Страница 43: ...rease point Bottom Side Grease point 27 27A 27C 27B 66 66A 36 26A 26 57 56 52 65 58 51 42 28 54 43 43A 43B 9 73 2 2B 2A 44 46 16 62 48 41 12 38 32 33 39 59 60 63 61 64 60 2C ATTENTION These parts which symbol No are from 2 to 76 can not be supplied When these parts must be exchanged Please order the VHS mechanism assembly Page 3 2 Symbol No 6 ...

Страница 44: ... Blue grease SLIDUS OIL 150 70 20 70 22 21 31 29 30 72 49 50 17 19 45 45B 45A 23 47 40 18 ATTENTION These parts which symbol No are from 2 to 76 can not be supplied When these parts must be exchanged Please order the VHS mechanism assembly Page 3 2 Symbol No 6 ...

Страница 45: ...5724C BAND BRAKE TU 28 FU 0VM414221G TENSION SPG 29 FU 0VM411110 LOCK LEVER SPRING 30 FU 1VM220271 CASSETTE PLATE 31 FU 0VM414095 LOCK LEVER 32 FU 0VM101352 MODE LEVER HI 33 FU 0VM101176G CAM GEAR A HI 34 FU 0VM204236 MODE GEAR LM 35 FU 0VM305719 C DOOR OPENER 36 FU 0VM305729C T LEVER HOLDER 37 FU 0VM203767 WORM HOLDER 38 FU 0VM410058 REEL WASHER MK9 5 2 1 0 5 39 FU 0VM402629A P S W F 6 2 55 0 5 4...

Страница 46: ... x2 71 FU GBJBY040 SCREW B TIGHT M2 3X4 BIND HEAD 72 FU GPJP2060 SCREW P TIGHT M2X6 PAN HEAD 73 FU 0VM410964A AC HEAD SCREW 74 FU CPJ39050 SCREW SEMS M2 6X5 PAN HEAD x3 75 FU GBJS9060 SCREW S TIGHT M2 6X6 BIND HEAD 76 FU SCJ39050 SCREW M2 6X5 WASHER HEAD Symbol No Part No Part Name Description Local ATTENTION These parts which symbol No are from 2 to 76 can not be supplied When these parts must be...

Страница 47: ...F 50V J C011 FU CE1CMAVSL100 ELECTROLYTIC CAP 10UF 16V M H7 C012 FU CE1JMAVSL100 ELECTROLYTIC CAP 10UF 50V M H7 C014 FU CE1GMASDL471 CAPALUMINUMELECTOLYTIC 470UF 35V M C015 FU CE1EMAVSL470 ELECTROLYTIC CAP 47UF 25V M H7 C017 FU CE1CMASDL471 CAPALUMINUMELECTOLYTIC 470UF 16V M C018 FU CE1CMASDL101 CAPALUMINUMELECTOLYTIC 100UF 16V M C020 FU CE1CMASDL102 CAPALUMINUMELECTOLYTIC 1000UF 16V M C021 FU CE1...

Страница 48: ...YTIC CAP 22UF 6 3V M H7 C475 FU CHD1JZ30F104 CHIP CERAMIC CAP F Z 0 1UF 50V C476 FU CHD1JZ30F104 CHIP CERAMIC CAP F Z 0 1UF 50V Symbol No Part No Part Name Description Local C477 FU CE1CMAVSL100 ELECTROLYTIC CAP 10UF 16V M H7 C478 FU CE1EMAVSL4R7 ELECTROLYTIC CAP 4 7UF 25V M H7 C479 FU CE1EMAVSL4R7 ELECTROLYTIC CAP 4 7UF 25V M H7 C480 FU CHD1JZ30F104 CHIP CERAMIC CAP F Z 0 1UF 50V C482 FU CE1EMAVS...

Страница 49: ...0221 CHIP RES 1 10W J 220 Ω R360 FU RRXAJR5Z0182 CHIP RES 1 10W J 1 8K Ω Symbol No Part No Part Name Description Local R361 FU RRXAJR5Z0102 CHIP RES 1 10W J 1K Ω R370 FU RRXAJR5Z0272 CHIP RES 1 10W J 2 7K Ω R371 FU RCX6JATZ0562 CARBON RES 1 6W J 5 6K Ω R372 FU RRXAJR5Z0392 CHIP RES 1 10W J 3 9K Ω R401 FU RRXAJR5Z0562 CHIP RES 1 10W J 5 6K Ω R402 FU RRXAJR5Z0223 CHIP RES 1 10W J 22K Ω R403 FU RRXAJ...

Страница 50: ...C CORD CN701 FU HK47TAFV AFV PCB ASSEMBLY F001 FU PAGC20BW3162 FUSE T1 6AL 250V FH001 FU XH01Z00LY002 FUSE HOLDER FH002 FU XH01Z00LY002 FUSE HOLDER FP562 FU NP8Z4212003A LED DISPLAY J902 FU 1VSA12575 BEAD CORE ASSEMBLY JK101 FU JXGL210LY007 RGB CONNECTOR JK102 FU JXGL210LY007 RGB CONNECTOR JK751 FU JXRL020LY121 RCA JACK 2P JK756 FU JXRL010LY142 RCA JACK JK757 FU JXRL010LY138 RCA JACK JK758 FU JYRL...

Страница 51: ... No YD088 3 13 Packing materials and accessories parts list Unit 5 6 8 4 7 1 Block No M3MM 3 2 2 ...

Страница 52: ... No Part Name Description Local 1 FU 1VM321586 GIFT BOX CARTON 2 FU 0VM204516 STYROFOAM four in one 3 FU 0VM406453B UNIT BAG 4 FU NA985ED REMOTE CONTROL UNIT 5 DRY BATTERY R6TYPE 6 FU WPZ0122LG001 RF CORD PAL 1 2M 7 FU 0VM416059 ACCESSORY BAG 8 FU 1VMN21426 INST BOOK FR ...

Страница 53: ...Victor Company of Japan Limited HR V525SEF CD ROM No SML200512 HR V525SEF V18D1 Area Suffix EF French Republic VIDEO MONO L AUDIO R AUTO RETURN PR 0 7 8 9 6 5 4 3 2 1 EJECT AUDIO I SLOW COUNTER MEMORY 0000 MENU REC QUICK FIND SEARCH SYSTEM REMOTO CONTROL REM SHR006E SP LP VCR PR ...

Страница 54: ......

Страница 55: ...e these abbreviated two digits LIST OF CAUTION NOTES AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES 1 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE 2 CAUTION Fixed Voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown first check to see that all components in the power supply circuit a...

Страница 56: ...8 9 10 11 CN151 CN101 FULL ERASE HEAD FE HEAD VIDEO R 1 HEAD VIDEO L 1 HEAD SIF 1 TU AUDIO 2 TU AUDIO R 3 GND 4 TU AUDIO L 5 P ON 5V 6 P ON 5V 7 IIC BUS SCL 8 IIC BUS SDA 9 1 2 3 4 5 6 7 8 9 CN701 CN1 GND 1 VIDEO OUT2 2 NU 3 VIDEO IN2 4 GND 5 AUDIO R OUT2 6 SC2 IN 7 AUDIO L IN2 8 AUDIO R IN2 9 GND 10 AUDIO L OUT2 11 1 2 3 4 5 6 7 8 9 10 11 CN152 CN102 AC CORD ANT IN ANT OUT VIDEO IN AUDIO R IN AUD...

Страница 57: ...5 REC SAFETY END S CL504 2 CTL 1 CTL a f j b c d 11 16 14 13 e 12 17 7 CYLINDER ASSEMBLY DRUM MOTOR PG SENSOR M CAPSTAN MOTOR M CAPSTAN MOTOR MOTOR DRIVE CIRCUIT SECAM H 61 TRICK H TRICK H 65 SECAM H Block diagrams Servo System control section HK4N1BLS CYLINDER ASSEMBLY VIDEO R 1 VIDEO COM VIDEO L 1 CN253 1 2 3 DECK ASSEMBLY VIDEO R 1 HEAD SP HEAD AMP EP HEAD AMP REC FM AGC FROM TO SERVO SYSTEM CO...

Страница 58: ... AFV CBA TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 CN701 CN1 TU701 SIF OUT 22 JACK CBA MAIN CBA JK101 AUDIO R IN1 AUDIO L IN1 AUDIO R OUT1 AUDIO L OUT1 AUDIO R IN2 AUDIO L IN2 AUDIO R OUT2 AUDIO L OUT2 2 6 2 6 1 3 1 3 JK102 CN151 CN152 CN101 CN102 Hi Fi AUDIO SIGNAL PROCESS AUDIO R IN1 9 AUDIO L IN1 7 9 7 AUDIO R OUT1 5 AUDIO L OUT1 9 9 AUDIO R IN2 8 8 AUDIO L IN2 6 6 AUDIO R OUT2 11 11 AUDIO L OUT2...

Страница 59: ... SHUNT REGULATOR Power supply section HK4N1BLP CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail CAUTION For continued prote...

Страница 60: ... G Standard schematic diagrams Main 1 7 section SHEET 1 HK4N1SCM1_rev0 TO SHEET 2 TO SHEET 3 To mechanism assembly To mechanism assembly TO SHEET 5 TO SHEET 6 TO SHEET 2 TO SHEET 4 TO SHEET 3 To mechanism assembly 2 11 2 12 ...

Страница 61: ... D2 D3 D4 a b c d e f g c d e f g c d e f g c d e f g h j i a b c d e f g a b a b a b FP562 MATRIX CHART Main 2 7 Sensor section SHEET 2 HK4N1SCM2_rev0 TO SHEET 1 TO SHEET 5 TO SHEET 5 TO SHEET 3 TO SHEET 1 TO SHEET 6 TO SHEET 1 TO CN1 SHEET 8 2 13 2 14 ...

Страница 62: ...A 1 2 3 4 5 B C D E F G Main 3 7 section SHEET 3 HK4N1SCM3_rev0 TO SHEET 5 TO SHEET 7 To mechanism assembly TO SHEET 6 TO SHEET 1 TO SHEET 2 TO SHEET 4 TO SHEET 6 2 15 2 16 ...

Страница 63: ...A 1 2 3 4 5 B C D E F G Main 4 7 Jack Sub jack section SHEET 4 HK4N1SCM4_rev0 TO SHEET 3 TO SHEET 5 TO SHEET 1 TO SHEET 6 2 17 2 18 ...

Страница 64: ...t the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail CAUTION For continued protection against fire hazard replace only with the same type fuse NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Parts are safety assurance parts When replacing those parts make sure to use the specified one DANGEROUS VOLT...

Страница 65: ...A 1 2 3 4 5 B C D E F G Main 6 7 section SHEET 6 HK4N1SCM6_rev0 TO SHEET 1 TO SHEET 3 TO SHEET 3 TO SHEET 5 TO SHEET 4 TO SHEET 2 2 21 2 22 ...

Страница 66: ...A 1 2 3 4 5 B C D E F G Main 7 7 section SHEET 7 HK4N1SCM7_rev0 TO SHEET 3 2 23 2 24 ...

Страница 67: ...A 1 2 3 4 5 B C D E F G AFV section SHEET 8 HK4N1SCAFV_rev0 TO CN701 SHEET 2 2 25 2 26 ...

Страница 68: ...N For continued protection against fire hazard replace only with the same type fuse NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a varia...

Страница 69: ...ponents in the power supply circuit to fail CAUTION For continued protection against fire hazard replace only with the same type fuse NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when trou...

Страница 70: ...A 1 2 3 4 5 B C D E F G Jack board 01 BHG470F01015C Sub jack board 01 BHG470F01015B AFV board 02 BHC400F01093 Forward side Forward side Reverse side Reverse side Forward side Reverse side 2 31 2 32 ...

Страница 71: ...AL WITH 1KHz AUDIO SIGNAL WF1 WF3 WF3 V OUT E E 10µs 50mV x 10 J23 WF3 UPPER WF1 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50µs J23 TP502 WF2 C PB 10mV x 10 RF SW 0 5V x 10 5ms UPPER LOWER WF1 TP502 TP301 U29 5PWF Wave forms 2 33 2 34 ...

Страница 72: ...2 35 2 36 ...

Страница 73: ......

Страница 74: ...No YD088SCH Victor Company of Japan Limited DIGITAL VIDEO STORAGE CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan VPT Printed in Japan ...

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