Philips turbo drive VR550 Service Manual Download Page 29

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Main 2/6 & Sensor Schematic Diagrams

1-10-5

1-10-6

HG470SCM2

THE SAME VOLTAGE FOR

BOTH PLAY & REC MODES.

INDICATES THAT THE VOLTAGE

IS NOT CONSISTENT HERE.

MODE:

SP/REC

PLAY MODE

REC MODE

5.0

(2.5)

“ “ = SMD

Comparison Chart of
Models and Marks

MODEL

MARK

VR550/02

VR550/07

VR550/16

FP562 MATRIX CHART

Summary of Contents for turbo drive VR550

Page 1: ...ssembly of Mechanism Deck Exploded Views Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used Published by BK 2004 Video Service Department Printed in Japan c Copyright reserved Subject to modification GB 3103 785 22260 Survey of versions 02 PAL B G 07 PAL I UK IRELAND 16 PAL B G Spain 39 PAL SECAM BG PAL SECA...

Page 2: ...SEMBLY INSTRUCTIONS 1 7 1 ELECTRICAL ADJUSTMENT INSTRUCTIONS 1 8 1 BLOCK DIAGRAMS 1 9 1 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 10 1 WAVEFORMS 1 11 1 WIRING DIAGRAM 1 12 1 SYSTEM CONTROL TIMING CHARTS 1 13 1 IC PIN FUNCTION DESCRIPTIONS 1 14 1 LEAD IDENTIFICATIONS 1 15 1 ELECTRICAL PARTS LIST 1 16 1 EXPLODED VIEWS 1 17 1 MECHANICAL PARTS LIST 1 18 1 Sec 1 Main Section I Adjustment Procedures I ...

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

Page 4: ... termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across the terminals of load Z See Fig 2 and the following table AC Line Voltage...

Page 5: ...achine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee ...

Page 6: ...removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig S 1 6 With Iron Wire 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fi...

Page 7: ...Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easily 2 The I mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the 1 on the PCB when positioning for installation Then presolder the four corners of the flat pack IC See Fig S 1 8 3 Solder all pins of t...

Page 8: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on cloth ing will not escape through the body grounding band be careful to avoid contacting semi conductors with you...

Page 9: ...anel in a FF REW mode REMAIN A remain value of tape is displayed on a display panel by 7 seg ment indication T REC OTR ON T REC OFF T REC incomplete Blinks at 0 8Hz interval RF OUT RF out channel number is displayed on the indicator panel S INH condition All modes Blinks at 0 8Hz interval All lighting mode All characters ON When reel and capstan mechanism is not functioning correctly EJECT R is di...

Page 10: ...s When reel and capstan mechanism is not functioning correctly When tape loading mechanism is not functioning cor rectly When cassette loading mechanism is not functioning correctly When the drum is not working properly P ON Power safety detection EJECT R Fig 1 EJECT T Fig 2 EJECT C Fig 3 Fig 4 EJECT D EJECT P Fig 5 ...

Page 11: ...into the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP507 S INH to GND This will stop the function of Tape Start Sensor Tape End Sensor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 1 Note Because the Tape End Sensors are in...

Page 12: ...Doesn t work on this model SYSTEM TURBO TIMER AUDIO SLOW INDEX STILL CLEAR STATUS EXIT P P 0 9 STANDBY ON REC You can use this remote control to operate some functions of Philips TVs 1 2 3 4 5 6 7 8 9 0 STILL STOP MENU REW FWD PLAY STATUS EXIT CLEAR REC STANDBY ON TV PROG TV VOL INDEX MUTE TURBO TIMER SLOW SYSTEM AUDIO P P To call up main menu of VCR When tape playback is stopped press to fast for...

Page 13: ...opped press to fast forward the tape at high speed During playback press to fast forward the tape while the picture stays on the screen When tape playback is stopped press to rewind the tape at high speed During playback press to rewind the tape while the picture stays on the screen To play back a tape To stop the tape and eject the cassette STOP EJECT PLAY REW FWD RECORD PROGRAMME PROGRAMME STAND...

Page 14: ...Power Switching Pulse C ROTA Color Phase Rotary Changeover SIgnal C SYNC Composite Synchronized Pulse CLKSEL Clock Select GND CTL Playback Record Control Signal CTL Playback Record Control Signal CTLAMPout To Monitor for CTL AMP Output D CONT Drum Motor Control Signal D PFG Drum Motor Pulse Generator D REC H Delayed Record Signal D V SYNC Dummy V sync Output DRV CLK LED Clock Driver IC Control Clo...

Page 15: ...With out Record tab H REMOCON IN Remote Control Sensor RESET System Reset Signal Reset L RESET 5V 5V at System Reset Signal RF SW Video Head Switching Pulse RGB THROUGH SCART 2 RGB Through Control Signal S REEL Supply Reel Rotation Signal SC2 IN Input Signal from Pin 8 of SCART2 SECAM H SECAM Mode at High SIF Tuner Audio Intermediate Frequency Signal ST S Tape Start Position Detector Signal T REEL...

Page 16: ... L 1 and L 2 are fragile Be careful not to break them 1 Remove five Screws S 2 two Screws S 3 and Screw S 4 Then slowly lift the VCR Chassis Unit Deck Assembly Jack CBA and Main CBA up 2 When reassembling solder wire jumpers as shown in Fig D5 3 Before installing the Deck Assembly be sure to place the pin of LD SW on Main CBA as shown in Fig D6 Then install the Deck Assembly while aligning the hol...

Page 17: ...1 7 2 HG470DC Fig D1 S 1 S 1 S 1 1 Top Case Fig D2 L 2 L 1 2 Front Assembly L 2 Fig D3 S 2 S 2 S 4 S 2 S 2 S 3 S 3 3 VCR Chassis Unit Fig D4 S 5 4 Jack CBA Desolder ...

Page 18: ...Head 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 Fig D6 LD SW Pin Hole Hole Shaft Cam Gear 6 Main CBA 5 Deck Assembly 6 Main CBA SW507 LD SW Pin ...

Page 19: ...e with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape 9965 000 14514 Head Switching Position Adjustment Purpose To determine the Head Switching point during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Playback the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 video output wave f...

Page 20: ... Procedures Mechanical Alignment Procedures Mechanical Alignment Procedures Preparation for Servicing 2 3 3 2 3 4 2 3 3 2 3 4 2 3 3 1 4 1 TEST POINTS NOT USED IN ELECTRICAL ADJUSTMENTS Main CBA Tuner Unit Antenna In Audio In Out Video In Out Antenna Out TP502 RF SW TP501 CTL TP301 C PB VR501 SW POINT POWER SUPPLY BLOCK POWER CTL BLOCK VIDEO BLOCK Hi Fi BLOCK SYSCON TIMER SERVO BLOCK AUDIO BLOCK TU...

Page 21: ...SW C ROTA IIC BUS SDA H A COMP V ENV C SYNC IIC BUS SCL 71 3 5 SDA SCL 12 11 LD SW 9 AL 12V 20 5V P ON 15V AL 5V AL 5V SW507 AL 12V P ON 5V LD SW AL 5V D502 S LED FROM TO POWER SUPPLY BLOCK LINE MUTE KEY SWITCH KEY SWITCH TP507 SENS INH CAPSTAN MOTOR SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEANS CONNECTOR CAN DISCONNECT AND RECONNECT 2 PREFIX SYMBOL CL MEANS WIRE SOLDER HOLES OF THE PCB WI...

Page 22: ...2 V OUT2 V IN2 61 63 96 95 93 94 90 89 88 87 CHARA INS CCD 1H DELAY SP BYPASS MUTE PB EE IN1 TUNER IN1 TUNER MUTE PB EE FRT IN2 FRT IN2 AGC P R R Y C P R P R P EP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 25 29 28 44 IIC BUS SDA IIC BUS SCL 69 68 46 43 SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEANS CONNECTOR CAN DISCONNECT AND RECONNECT 2 PREFIX SYMBOL CL MEANS WIR...

Page 23: ...01 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 A MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK FULL ERASE HEAD 68 69 SERIAL DECODER DECK ASSEMBLY SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEANS CONNECTOR CAN DISCONNECT AND RECONNECT 2 PREFIX SYMBOL CL MEANS WIRE SOLDER HOLES OF THE PCB WIRE IS SOLDERED DIRECTLY TEST POINT INFORMATION INDICATES A TEST POINT WITH A ...

Page 24: ... REC TO AUDIO BLOCK N A PB AFV CBA TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 SIF 2 2 CN701 CN1 TU701 AUDIO IN SIF OUT 2 22 JACK CBA MAIN CBA JK101 A IN1 R A IN1 L 2 6 2 6 1 3 1 3 JK102 CL151 CL152 CL101 CL102 A IN2 R A IN2 L A OUT1 R A OUT1 L A OUT2 R A OUT2 L A IN2 R Hi Fi AUDIO SIGNAL PROCESS 9 A IN2 L 8 9 8 A OUT2 R 6 A OUT2 L 11 6 11 A IN1 R 9 A IN1 L 7 9 7 A OUT1 R 5 A OUT1 L 11 5 11 IC451 Hi F...

Page 25: ...s 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 COLD MAIN CBA HOT CIRCUIT BE CAREFUL HOT IC001 ERROR VOLTAGE DET Q002 Q003 Q001 F001 L003 LINE FILTER BRIDGE RECTIFIER D001 D004 1 2 3 4 Q004 AC001 T001 P ON 44V P ON 15V 12 P ON H AL ...

Page 26: ...ts use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 3 Prefix symbol CN means connector can dis connect and reconnect Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 4 How to read converged lines 5 All resistance values are indicated in ohms K 103 M 106 6 Resistor wattages are 1 4W or 1 6W unle...

Page 27: ...1 D 3 R556 C 1 C521 A 2 R557 C 1 C522 A 2 Q501 E 2 R558 C 1 C523 A 2 Q503 D 1 R615 D 1 C524 A 2 Q551 E 3 R621 A 3 C526 A 2 Q552 E 3 R622 A 3 C527 B 2 R851 D 3 C528 A 2 R501 B 1 R852 D 3 C530 B 2 R502 B 2 R853 D 4 C531 B 1 R503 C 2 C532 A 3 R504 B 1 SW506 D 1 C533 A 3 R505 B 1 C535 E 1 R506 C 1 VR501 B 1 C563 E 4 R509 D 1 C564 E 4 R510 C 4 X501 D 2 C567 F 3 E511 E 2 X502 D 2 C851 E 3 R513 E 2 C852 ...

Page 28: ... 5 SMD Main 1 6 Schematic Diagram IC501 KEY VOLTAGE CHART 0 00 0 51V POWER STOP EJECT 0 51 0 92V CH DOWN REW 0 92 1 27V CH UP PLAY 1 27 1 61V FF 1 61 1 98V 1 98 2 39V REC OTR 2 39 2 90V 2 90 3 60V SENS INH 3 60 4 30V 4 30 5 00V KEY OFF KEY OFF Pin No Voltage KEY 1 7 PIN KEY 2 8 PIN Comparison Chart of Models and Marks MODEL MARK VR550 02 A VR550 07 B VR550 16 C ...

Page 29: ...ES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD Comparison Chart of Models and Marks MODEL MARK VR550 02 A VR550 07 B VR550 16 C D1 D2 D3 D4 a b c d e g f D1 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 ...

Page 30: ...2 C716 G 1 R549 K 2 C717 G 1 R566 J 4 R701 G 2 CL505 K 2 R702 G 1 CN701 K 1 R703 G 1 R706 G 1 D701 G 2 R707 I 2 IC561 J 4 SW501 J 2 SW502 J 2 L561 G 3 SW503 K 2 L562 G 3 SW505 K 2 L701 I 2 SW507 J 3 L703 H 1 SW509 J 2 L704 H 1 SW510 K 2 SW511 K 2 Q504 L 4 SW512 K 2 Q505 L 4 FP562 H 4 R534 J 3 TU701 H 2 R535 J 3 R536 J 3 TP506 K 4 R537 J 3 TP507 K 2 R538 K 3 RESISTORS TRANSISTORS CAPACITORS RESISTO...

Page 31: ... 1 C318 Q 3 C425 O 1 R312 N 4 R429 O 1 C319 Q 3 C428 O 1 R313 N 4 R430 O 1 C320 Q 3 C430 P 1 R315 O 4 R431 P 1 C321 Q 3 C771 Q 2 R316 O 4 R771 Q 1 C322 Q 3 C772 R 1 R317 O 4 R772 Q 1 C323 Q 3 C773 R 2 R318 O 4 R773 Q 1 C324 Q 3 C774 R 2 R319 N 4 R774 Q 1 C325 Q 4 C775 Q 2 R320 O 4 R775 Q 1 C326 Q 4 C776 Q 2 R321 Q 4 R776 R 1 C327 P 4 C777 Q 2 R323 Q 3 R777 R 1 C330 P 4 C778 Q 2 R324 N 3 R778 Q 2 C...

Page 32: ...Main 3 6 Schematic Diagram 1 10 9 1 10 10 HG470SCM3 THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 33: ...Main 4 6 Jack Schematic Diagrams 1 10 11 1 10 12 HG470SCM4 THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 34: ...1 W 4 Q101 V 3 C102 W 4 Q102 V 1 C103 W 3 C104 W 3 R101 W 4 C105 W 3 R103 W 4 C107 W 2 R104 W 3 C108 W 2 R106 W 3 C109 V 2 R108 W 3 C110 W 2 R109 W 2 C111 V 2 R110 W 2 C112 W 2 R112 W 2 C113 W 2 R113 V 2 C115 V 4 R115 W 2 C116 W 3 R116 W 2 C117 W 1 R117 W 2 R118 W 1 CL101 V 3 R119 W 1 CL102 V 2 R120 V 4 R123 V 3 D101 W 2 R125 V 1 D102 W 1 R126 V 1 D103 W 1 R127 W 1 D104 W 1 R128 V 3 D105 W 2 D106 ...

Page 35: ... C025 AA 1 L010 AA 2 R027 Z 1 C026 BB 2 L012 BB 2 R028 Z 2 C053 BB 1 R030 AA 1 C056 BB 1 Q001 Z 2 R031 AA 1 C057 BB 1 Q002 Z 2 R032 AA 1 C060 BB 2 Q003 Y 1 R053 CC 2 C061 CC 2 Q004 AA 1 R054 BB 2 Q051 BB 3 R058 BB 2 D001 Y 3 Q052 BB 3 R060 BB 1 D002 Z 3 Q053 BB 2 R061 BB 1 D003 Y 3 Q054 CC 2 R062 BB 2 D004 Z 3 Q055 BB 2 R063 BB 2 D005 Z 2 Q056 BB 1 R064 BB 2 D006 Z 2 Q057 BB 3 R065 BB 2 D007 Z 1 Q...

Page 36: ...ION For continued protection against fire hazard replace only with the same type fuse 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 circ...

Page 37: ...Main 6 6 Schematic Diagram 1 10 17 1 10 18 HG470SCM6 THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 38: ...G THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED CAUTION For continued protection against fire hazard replace only with the same type fuse 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 t...

Page 39: ...WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED CAUTION For continued protection against fire hazard replace only with the same type fuse 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 conne...

Page 40: ... F 3 C338 C 3 C480 C 2 C853 D 2 IC771 E 2 C004 G 3 C339 C 3 C481 B 3 C854 C 2 C005 G 2 C340 C 3 C482 B 3 C855 D 2 J902 F 3 C006 G 2 C341 C 3 C483 B 3 C856 D 1 L001 G 3 C007 G 2 C342 C 3 C484 B 3 C859 C 1 L002 F 3 C008 G 2 C343 C 3 C485 C 3 C862 D 2 L003 F 3 C010 G 3 C345 D 2 C486 C 3 L009 G 1 C011 F 2 C346 C 2 C501 D 1 CL151 B 3 L010 G 1 C012 F 2 C347 C 3 C502 D 1 CL152 A 2 L012 F 1 C014 F 1 C351 ...

Page 41: ...104 B 1 C108 B 1 R106 C 1 C109 A 1 R108 C 1 C110 A 1 R109 C 1 C111 A 1 R110 A 1 C112 A 1 R112 A 1 C113 A 1 R113 A 1 C115 C 1 R115 A 1 C116 C 1 R116 A 1 C117 B 1 R117 A 1 R118 B 1 CL101 C 1 R119 B 1 CL102 B 1 R120 C 1 R123 C 1 D101 C 1 R125 B 1 D102 A 1 R126 B 1 D103 B 1 R127 B 1 D104 A 1 R128 C 1 D105 C 1 D106 C 1 JK101 B 1 JK102 A 1 L101 C 1 L102 B 1 MISCELLANEOUS COILS RESISTORS CAPACITORS TRANS...

Page 42: ...on Chart of Models and Marks MODEL MARK VR550 02 A VR550 07 B VR550 16 C AFV Schematic Diagram Parts Location Guide Ref No Position C1 A 1 C4 A 1 C5 B 1 C6 A 1 C7 A 1 C8 B 1 C11 C 2 C12 C 2 C13 B 2 C14 A 2 C15 A 2 C16 A 2 C17 A 2 C19 A 2 C20 A 2 C21 A 1 C22 A 2 C24 B 2 CN1 C 1 D2 B 2 IC1 A 1 L1 A 1 L2 A 2 L3 A 1 L4 C 2 R1 B 1 R4 B 2 R5 A 1 X1 B 1 CRYSTAL OSCILLATOR CAPACITORS IC COILS DIODE RESIST...

Page 43: ...uide Ref No Position C1 A 2 C4 A 2 C5 A 2 C6 A 2 C7 A 2 C8 A 2 C11 A 2 C12 A 2 C13 B 1 C14 A 1 C15 B 1 C16 B 1 C17 B 1 C19 A 1 C20 A 1 C21 A 1 C22 A 1 C24 B 2 CN1 B 1 D2 B 2 IC1 B 2 L1 A 1 L2 B 1 L3 A 2 L4 A 2 R1 A 2 R4 B 2 R5 A 1 X1 B 2 IC COILS CRYSTAL OSCILLATOR RESISTORS CAPACITORS DIODE ...

Page 44: ...3 V OUT E E 10usec 50mV x 10 J23 of Main CBA WF3 UPPER WF1 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50usec J23 of Main CBA TP502 of Main CBA WF2 C PB 10mV x 10 RF SW 0 5V x 10 5msec UPPER LOWER WF1 TP502 of Main CBA TP301 of Main CBA ...

Page 45: ...DEO R 1 HEAD VIDEO L 1 HEAD SIF 1 NU 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 V OUT2 2 16P 3 V IN2 4 GND 5 A OUT2 R 6 SC2 IN 7 A IN2 L 8 A IN2 R 9 GND 10 A OUT2 L 11 1 2 3 4 5 6 7 8 9 10 11 CL152 CL102 AC CORD ANT IN ANT OUT VIDEO L 2 HEAD VIDEO R 2 HEAD Hi Fi AUDIO R HEAD Hi Fi AUDIO L HEAD M DRUM MOTOR PG SENSOR MAIN CBA ...

Page 46: ... 12V EJ 4 51V 5 00V 5 00V CL 0 00V 0 25V 0 00V SB 1 06V 1 50V 1 21V TL 0 66V 1 05V 0 91V FB 1 99V 2 60V 2 17V SF 1 51V 1 98V 1 80V SM 3 20V 3 75V 3 40V AU 0 26V 0 65V 0 44V AL 4 51V 5 00V 5 00V SS 2 61V 3 19V 2 97V RS Symbol Loading Status EJ Eject CL Eject REW Reel SB REW Reel Stop B TL Stop B Brake Cancel FB Brake Cancel FF REW SF FF REW Stop M FF REW SM Stop M FF REW Stop A AU Stop A Play REC A...

Page 47: ...P Mode 18 RF SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA The first rise of RF SW after a rise in F AD signal AT H Z H L L ST Stop detection T2 Slow Tracking Value Acceleration Detection T1 BL STILL FRAME ADVANCE STILL Reversal Limit Value 20ms ...

Page 48: ...F SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA AT ST Stop detection T2 Acceleration Detection T1 Slow Tracking Value The first rise of RF SW after a rise in F AD signal BL Reversal Limit Value 20ms STILL STILL FRAME ADVANCE ...

Page 49: ...WD LD REV LD REV 0 5s PIN NO CL EJ SS SS AU AU TL LD SW CL SS LM FWD M REV C DRIVE Z ON ON REC EE PB C F R DRUM ROTATION P ON A MUTE H D REC H YCA DATA PAUSE SLOW AU AL AL AU SF SM EJ AU RS SF SM TL FB AL SB 9 81 78 67 83 33 POWER OFF STOP PLAY RS FS STILL SLOW PLAY STOP PLAY DISPLAY SB TL SB FB SM AL AL RS AU AL SS AU AL SM 0 8s 0 2s 0 3s 1 0s 0 2s 0 8s MONO 1 5s HIFI 0 5s 0 2s 0 8s 0 2s 1 2s 0 2...

Page 50: ...TOP A LD REV FF LD REV LD REV LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD LD FWD REC PAUSE REC REC REW LD FWD LD REV LD REV LD REV LD REV LD REV LD REV PAUSE REC or PAUSE STOP EJECT STOP EJECT STOP EJECT 2 STOP A FF STOP A REW STOP A REC PAUSE PAUSE or REC STOP A EJECT STOP FF STOP REW STOP REC REC REC PAUSE STOP FB FB SF SF SM SM AL AL SM AL AL AL AU AU SM TL SB EJ RS RS SM SM SF AU AU SS SS SS SF ...

Page 51: ...ing 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 OUT RGB THROUGH SCART 2 RGB Through Control Signal L H 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 tab L With out Record tab H ...

Page 52: ...otor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L 79 IN S REEL Supply Reel Rotation Signal PULSE 80 IN T REEL Take Up Reel Rotation Signal PULSE 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z 82 N U Not Used 83 OUT A MUTE Audio Mute Control Signal H 84 OUT FF REW L CTL Frequency Characteristics Switching Signal FF REW L L 85 N U Not Used Pin No IN O...

Page 53: ...M KRC103M KTA1266 GR KTA1281 Y KTC3199 BL GR Y 2SA1015 GR TPE2 2SA1020 Y 2SC1815 BL TPE2 2SC1815 GR TPE2 2SC1815 Y TPE2 2SC2120 Y TPE2 2SC3266 Y TPE2 KTA1267 GR Y KTC3203 Y KTC3205 Y BR24L02F WE2 CAT24WC02JI 2SK3566 KIA339F EL LM339DT PT6958 FN TP RN1511 TE85R FMG4A T148 FA1F4M T1B KRC103S RTK KTA1504GR RTK KTA1504Y RTK KTC3875Y RTK Note A Anode K Cathode E Emitter C Collector B Base R Reference S...

Page 54: ...70UF 16V M 1 1 1 C018 ELECTROLYTIC CAP 100UF 16V M 1 1 1 C020 ELECTROLYTIC CAP 1000UF 16V M 1 1 1 C021 ELECTROLYTIC CAP 470UF 10V M 1 1 1 C025 CHIP CERAMIC CAP 1608 B K 0 01UF 50V 1 1 1 C026 ELECTROLYTIC CAP 47UF 16V M H7 1 1 1 C053 ELECTROLYTIC CAP 330UF 6 3V M H7 1 1 1 C056 CHIP CERAMIC CAP 1608 B K 0 047UF 50V 1 1 1 C057 CHIP CERAMIC CAP 1608 CH J 470PF 50V 1 1 1 C060 ELECTROLYTIC CAP 10UF 16V ...

Page 55: ...37 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V 1 1 1 C338 ELECTROLYTIC CAP 100UF 6 3V H7 1 1 1 C339 ELECTROLYTIC CAP 1UF 50V M H7 1 1 1 C340 CHIP CERAMIC CAP CH J 120PF 50V 1 1 1 C341 CHIP CERAMIC CAP CH J 220PF 50V 1 1 1 C342 ELECTROLYTIC CAP 1UF 50V M H7 1 1 1 C343 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V 1 1 1 C345 CHIP CERAMIC CAP CH J 68PF 50V 1 1 1 C346 CHIP CERAMIC CAP CH J 68PF 50V 1 1 1 C347 CHIP CERA...

Page 56: ... 0 1UF 50V 1 1 1 C501 ELECTROLYTIC CAP 220UF 6 3V M H7 1 1 1 C502 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V 1 1 1 C506 CERAMIC CAP AX B K 100PF 50V 1 1 1 C508 ELECTROLYTIC CAP 1UF 50V M H7 1 1 1 C510 ELECTROLYTIC CAP 22UF 10V M H7 1 1 1 C511 ELECTROLYTIC CAP 100UF 6 3V H7 1 1 1 C512 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V 1 1 1 C513 CHIP CERAMIC CAP 1608 CH J 22PF 50V 1 1 1 C514 CHIP CERAMIC CAP 1608 CH J 2...

Page 57: ...0 30621 SWITCHING DIODE 1N4148M 1 1 1 D008 4822 130 30621 SWITCHING DIODE 1N4148M 1 1 1 D009 4822 130 30621 SWITCHING DIODE 1N4148M 1 1 1 D011 4822 130 11654 RECTIFIER DIODE BA158 1 1 1 D012 4822 130 83883 RECTIFIER DIODE FR202 B P 1 1 1 D013 4822 130 83883 RECTIFIER DIODE FR202 B P 1 1 1 D014 4822 130 32715 SCHOTTKY BARRIER DIODE SB340 1 1 1 D015 9965 000 23356 ZENER DIODE DZ 18BSBT265 1 1 1 D018...

Page 58: ...1 1 1 PS503 9965 000 12189 PHOTO INTERRUPTER RPI 302C70 1 1 1 TRANSISTORS Q001 9965 000 17186 FET 2SK3566 1 1 1 Q002 4822 130 10923 TRANSISTOR KTC3199 BL 1 1 1 Q003 4822 130 10923 TRANSISTOR KTC3199 BL 1 1 1 Q004 4822 130 10462 TRANSISTOR KTA1267 GR 1 1 1 Q051 4822 130 42292 RES BUILT IN TRANSISTOR KRA104M 1 1 1 Q052 9965 000 23377 RES BUILT IN TRANSISTOR KRC103M 1 1 1 Q053 4822 130 10103 TRANSIST...

Page 59: ...ES 1 6W J 10K OHM 1 1 1 R063 CARBON RES 1 4W J 1 2K OHM 1 1 1 R064 CARBON RES 1 4W J 1 2K OHM 1 1 1 R065 CARBON RES 1 4W J 1 2K OHM 1 1 1 R066 CHIP RES 1608 1 10W J 47K OHM 1 1 1 R067 CARBON RES 1 4W J 680 OHM 1 1 1 R068 CARBON RES 1 4W J 680 OHM 1 1 1 R071 CARBON RES 1 6W J 3 9K OHM 1 1 1 R073 CARBON RES 1 6W J 1 OHM 1 1 1 R158 CHIP RES 1608 1 10W J 6 8K OHM 1 1 1 R251 CHIP RES 1608 1 10W J 2 7K ...

Page 60: ...1608 1 10W 0 OHM 1 1 1 R451 CHIP RES 1608 1 10W J 8 2K OHM 1 1 1 R452 CHIP RES 1608 1 10W J 39K OHM 1 1 1 R453 CHIP RES 1608 1 10W J 5 6K OHM 1 1 1 R454 CHIP RES 1608 1 10W J 39K OHM 1 1 1 R457 CHIP RES 1608 1 10W J 5 6K OHM 1 1 1 R458 CHIP RES 1608 1 10W 0 OHM 1 1 1 R459 CHIP RES 1608 1 10W J 39K OHM 1 1 1 R460 CHIP RES 1608 1 10W J 470 OHM 1 1 1 R461 CHIP RES 1608 1 10W J 10K OHM 1 1 1 R462 CHIP...

Page 61: ...RES 1608 1 10W J 2 7K OHM 1 1 1 R545 CHIP RES 1608 1 10W J 2 2K OHM 1 1 1 R546 CHIP RES 1608 1 10W J 12K OHM 1 1 1 R547 CHIP RES 1608 1 10W J 1 8K OHM 1 1 1 R548 CHIP RES 1608 1 10W J 1K OHM 1 1 1 R549 CHIP RES 1608 1 10W J 1 2K OHM 1 1 1 R551 CHIP RES 1608 1 10W J 100 OHM 1 1 1 R552 CHIP RES 1608 1 10W J 10K OHM 1 1 1 R556 CHIP RES 1608 1 10W J 10K OHM 1 1 1 R557 CHIP RES 1608 1 10W J 10K OHM 1 1...

Page 62: ...9965 000 12288 X TAL 32 768KHZ 20PPM 1 1 1 JACK CBA MCV C 2L022 4822 502 30752 SCREW P TIGHT M3X10 WASHER HEAD 1 1 1 A5 9965 000 16629 JACK BOARD 2 21P HE470ED 1 1 1 CAPACITORS C101 CHIP CERAMIC CAP B K 2200PF 50V 1 1 1 C102 CHIP CERAMIC CAP B K 2200PF 50V 1 1 1 C103 CHIP CERAMIC CAP 1608 CH J 470PF 50V 1 1 1 C104 CHIP CERAMIC CAP 1608 CH J 470PF 50V 1 1 1 C105 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V ...

Page 63: ...V 1 1 1 C6 CHIP CERAMIC CAP CH J 56PF 50V 1 1 1 C7 CHIP CERAMIC CAP CH C 3PF 50V 1 1 1 C8 CHIP CERAMIC CAP CH C 3PF 50V 1 1 1 C11 CHIP CERAMIC CAP 1608 B K 0 01UF 50V 1 1 1 C12 ELECTROLYTIC CAP 10UF 16V M H7 1 1 1 C13 CHIP CERAMIC CAP 1608 B K 0 01UF 50V 1 1 1 C14 CHIP CERAMIC CAP 1608 B K 0 01UF 50V 1 1 1 C15 ELECTROLYTIC CAP 10UF 16V M H7 1 1 1 C16 ELECTROLYTIC CAP 10UF 16V M H7 1 1 1 C17 CHIP C...

Page 64: ...1 17 1 HG470FEX EXPLODED VIEWS Front Panel A1X ...

Page 65: ... with this mark Some Ref Numbers are not in sequence 2B18 A2 2L011 2L011 2L011 2L011 2L011 2B9 2B9 2L022 2L022 2L012 JACK CBA A5 2L041 AFV CBA MAIN CBA A10 2L031 2L099 2L041 2B7 SENSOR CBA 2B8 2B46 A7 A3 A29 A29 2L042 2L021 2L021 2L021 2L021 2L021 2B5 2L051 1B1 ...

Page 66: ...0I X20J X20K A C A C X36C X36F X36I X45A X45B X45C X36B X36A X36E X36D X36H X36G X36K X36J Some Ref Numbers are not in sequence B X36 X45 X20 X2 X3 X26 X1 A14 X4 X4 Unit S3 S2 B S9 S2 S1 Comparison Chart of Models and Marks Model Mark VR550 02 VR550 07 VR550 16 A B C ...

Page 67: ...EAD 1 1 1 2L021 4822 502 30752 SCREW P TIGHT M3X10 WASHER HEAD 1 1 1 2L031 4822 502 14009 SCREW S TIGHT M3X6 BIND HEAD 1 1 1 2L041 4822 502 14012 P TIGHT SCREW 3X8 BIND 1 1 1 2L042 4822 502 14012 P TIGHT SCREW 3X8 BIND 1 1 1 2L051 4822 502 14018 SCREW S TIGHT M3X5 BIND HEAD 1 1 1 2L099 9965 000 13027 SCREW P TIGHT M3X8 BIND HEAD 1 1 1 PACKING S1 GIFT BOX CARTON HG470ED 1 1 S1 GIFT BOX CARTON HG471...

Page 68: ...ANICAL ALIGNMENT PROCEDURES 2 3 1 DISASSEMBLY ASSEMBLY PROCEDURES OF DECK MECHANISM 2 4 1 ALIGNMENT PROCEDURES OF MECHANISM 2 5 1 DECK EXPLODED VIEWS 2 6 1 DECK PARTS LIST 2 7 1 Sec 2 Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly Assembly of Mechanism I Deck Exploded Views I Deck Parts List ...

Page 69: ...ecording model only B86 Not used in 2 head model H Hours Check I Change Deck Periodic Service Schedule Ref No Part Name 1 000 H 2 000 H 3 000 H 4 000 H B2 Cylinder Assembly I I B3 Loading Motor Assembly I B8 Pulley Assembly I I B587 Tension Lever Assembly I I B31 ACE Head Assembly I B573 B574 Reel S Reel T I B37 Capstan Motor I I B52 Cap Belt I I B73 FE Head I B86 F Brake Assembly HI I I B133 Idle...

Page 70: ...e is made of very hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth Cleaning of ACE Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 isopropyl alcohol and clean the ACE Head Be careful...

Page 71: ...Alignment Tape 9965 000 14516 2 Head model 9965 000 14515 4 Head model Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform J 2 Guide Roller Adj Screwdriver Available Locally Guide Roller J 3 Mirror Available Locally Tape Transportation Check J 4 Azimuth Adj Screwdriver Available Locally ACE Head Height J 5 Flat Screwdriver Available Locally X Value ...

Page 72: ...re that the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turning when the preparations begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the ca...

Page 73: ... Tape Check to see that the tape is not creasing and that there is no slack on the supply and take up side Guide Rollers Use a blank tape Adjust the height of the Guide Rollers Supply side and take up side Use a blank tape Page 2 3 3 Loading Use a blank tape Adjust the envelope Page 2 3 4 Check the envelope Adjust the Audio Section Azimuth Alignment Page 2 3 4 Check the audio output Check the foll...

Page 74: ...ACE Head Fig M6 1 B X Value Alignment Purpose To obtain maximum PB FM envelope signal at the pre set position of the Tracking Control Circuit align the Horizontal Position of the ACE Head Symptom of Misalignment If the Horizontal Position of the ACE Head is not prop erly aligned maximum PB FM envelope cannot be obtained at the preset position of the Tracking Control Circuit 1 Connect the oscillosc...

Page 75: ...ossible To do this adjustment turn the top of the Guide Roller with the Guide Roller Adj Screwdriver 3 If the envelope is as shown in Fig M7 adjust the height of Guide Roller 2 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 4 If the envelope is as shown in Fig M8 adjust the height of Guide Roller 3 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 5 W...

Page 76: ... the Audio Control Erase Head is not properly aligned the Audio S N Ratio or Frequency Response will be poor 1 Connect the oscilloscope to the audio output jack on the rear side of the deck 2 Playback the alignment tape 9965 000 14515 and confirm that the audio signal output level is 6kHz 3 Adjust Azimuth Adj Screw so that the output level on the AC Voltmeter or the waveform on the oscillo scope i...

Page 77: ...Motor Assembly T DM1H DM7H Desolder LDG Belt 2 S 3 9 9 ACE Head Assembly T DM1H DM7H S 4 10 2 Tape Guide Arm Assembly T DM1H DM8H 1 P 2 11 10 C Door Opener T DM1H DM8H 1 S 4A L 4 12 11 Pinch Arm B T DM1H DM8H 1 DM8H 2 P 3 13 12 Pinch Arm A Assembly T DM1H DM8H 1 DM8H 2 14 14 FE Head T DM1H DM9H S 5 15 15 Prism T DM1H DM9H S 6 16 2 Slider Shaft T DM10H L 5 17 16 C Drive Lever SP T DM10H 18 16 C Dri...

Page 78: ...l 33 26 BT Arm B DM2H DM14H P 5 34 26 Loading Arm SP Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 35 34 Loading Arm TU Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 36 16 26 M Brake TU Assembly HI T DM1H DM15H 37 2 26 M Brake SP Assembly HI T DM1H DM15H P 6 38 37 Tension Lever Assembly T DM1H DM15H 39 38 T Lever Holder T DM15H L 10 40 40 M Gear HI T DM1H DM15H C 6 41 15 40 Sen...

Page 79: ...2 4 3 U29PHSDA 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Fig DM1H Top View 34 19 35 25 26 24 23 27 33 20 28 22 Fig DM2H Bottom View ...

Page 80: ... Fig DM4H 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 of 4 ...

Page 81: ...th White Stripe A 8 Fig DM7H 11 13 12 10 L 4 P 3 P 2 Fig DM8H 1 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 ...

Page 82: ...er 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 Hold 12 and 13 till groove of pin of chassis looks and fit 13 in notch of chassis Then turn a few 13 while holding 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 DM8 1 Fig DM8H 2 14 15 S 6 S 5 Fig DM9H 17 16 L 5 18 P 4 S 7 Fig ...

Page 83: ...2 4 7 U29PHSDA 19 Cap Belt S 8 19 20 Cap Belt A Installation position of Cap Belt View for A Fig DM11H L 6 22 20 C 1 21 27 Pin on 22 Position of pin on 22 turn Fig DM12H ...

Page 84: ...n 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 Fig DM13H 2 32 L 9 P 5 34 35 Refer to the Alignment Section Page 2 5 1 31 Fig DM14H ...

Page 85: ...2 4 9 U29PHSDA 39 L 10 37 P 6 43 38 36 42 40 41 C 6 C 7 turn turn turn Fig DM15H 44 45 46 L 11 Fig DM16H 47 48 Slide Fig DM17H ...

Page 86: ...mechanical or electrical parts Alignment points in Eject Position Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their triangle marks point to each other as shown in Fig AL2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm SP Assembly so that the last tooth of the gear meets the most inside teeth of the Mode G...

Page 87: ...temp MH D Blue grease SLIDUS OIL 150 Some Ref Numbers are not in sequence B12 B492 B11 B571 B37 B126 B8 B121 L1450 L1450 B86 L1466 B501 Chassis Assembly Top View Lubricating Point Chassis Assembly Bottom View Lubricating Point L1051 B35 B410 B411 B494 B567 L1053 B74 L1467 B553 B10 L1191 B73 B9 B2 ...

Page 88: ...ow grease B499 B516 B52 B507 B559 B581 B583 B580 B582 A View for A B578 B579 B579 B133 B551 Bottom Side Grease point Some Ref Numbers are not in sequence B488 B491 B513 Bottom Side Grease point L1151 B525 B31 L1406 B558 B557 B3 B592 B148 B522 B521 B590 B573 B574 B591 B416 B518 B564 B585 B487 B587 B508 B414 B572 B565 B568 B417 B584 ...

Page 89: ...hanism View 3 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 L1341 L1321 B347 L1321 B355 B354 B482 B483 B425 B303 B555 B563 B300 B562 B514 B313 Some Ref Numbers are not in sequence B361 B359 B529 B360 ...

Page 90: ...AR A B354 9965 000 18130 SLIDER TU B579 9965 000 16671 TR GEAR B B355 9965 000 19630 SLIDER SP B580 9965 000 19638 TR GEAR C B359 9965 000 08449 CLEANER LEVER B581 9965 000 16673 CENTER GEAR B360 9965 000 06561 CLEANER ROLLER 2 B582 9965 000 23374 TR GEAR SPRING B361 9965 000 08450 CL POST B583 9965 000 17201 CAM WASHER B410 9965 000 23370 PINCH ARM A ASS B584 9965 000 12248 TR GEAR SHAFT B411 996...

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