Philips VHS VR540/02 Скачать руководство пользователя

Страница: 81 / 84

2-5-1

U27HSDEX

Some Ref. Numbers are not in sequence.

Chassis Assembly
Top View (Lubricating Point)

Chassis Assembly
Bottom View (Lubricating Point)

B35

B410

B411

B494

B567

L1053

B74

B10

L1191

B73

B12

B492

B11

B571

B37

B126

L1466

B501

B121

L1450

L1051

L1467

B553

B86

Mark

Description

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

DECK EXPLODED VIEWS

Deck Mechanism View 1

Содержание VHS VR540/02

Страница 1: ...t Procedures Disassembly Assembly of Mechanism Deck Exploded Views Survey of versions 02 PAL B G VPS PDC 07 PAL I Ireland 16 PAL B G Spain 39 SECAM L L PAL B G I 58 PAL SECAM B G D K 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 2003 Video Service Department Printed in Japan c Copyright ...

Страница 2: ...MBLY 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 SET MECHANICAL PARTS LIST 1 18 1 Sec 1 Main Section I Adjustment Procedures ...

Страница 3: ...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 wires ...

Страница 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...

Страница 5: ...e 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 zers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pac...

Страница 6: ... pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 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 S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing e...

Страница 7: ...ur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded 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 ...

Страница 8: ... 88 88 ON POWER ON PWR ON REC REC ON REC PAUSE REC Blinks at 0 8Hz interval T REC OTR ON T REC OFF T REC incomplete Blinks at 0 8Hz interval When reel and capstan mechanism is not functioning correctly 1 Blinks at 0 8Hz interval When tape loading mechanism is not func tioning correctly 2 Blinks at 0 8Hz interval When cassette loading mechanism is not functioning correctly 3 Blinks at 0 8Hz interva...

Страница 9: ...to 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 TP507 SENSOR INHIBITION to GND This will stop the function of Tape Start Sensor Tape End Sen sor 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...

Страница 10: ...the picture stay on the screen To store or confirm entry in the menu When tape playback is stoped press to rewind the tape at high speed During playback press to rewind the tape while the picture stay on the screen To return the cursor in the menu To play a tape select an item in the menu of VCR To stop the tape select an item in the menu of VCR STOP C L PLAY B K REW FWD MENU SYSTEM AUDIO SLOW IND...

Страница 11: ... select the programme number During normal or slow motion playback press to adjust the tracking To record the TV channel selected at this moments When tape playback is stopped press to fast forward the tape at hight speed During playback press to fast forward the tape while the picture stay on the screen When tape playback is stoped press to rewind the tape at hight speed During playback press to ...

Страница 12: ... Pulse C ROTA Color Phase Rotary Changeover SIgnal C SYNC Composite Synchronized Pulse CLKSEL Clock Select GND COLOR IN SECAM or MESECAM Chroma Video Input Signal at Super Impose CTL Playback Record Control Signal CTL Playback Record Control Signal CTLAMPout To Monitor for CTL AMP Output D CONT Drum Motor Control Signal D FG Drum Motor Rotation Detection Pulse D PG Drum Motor Pulse Generator D REC...

Страница 13: ...PG DELAY Video Head Switching Pulse Signal Adjusted Voltage POW SAF P ON Power Detection Input Signal REC SAF SW Recording Safety SW Detect With Record tab L With out Record tab H REMOCON IN Remote Control Sensor RESET 5V 5V at System Reset Signal RESET System Reset Signal Reset L RF SW Video Head Switching Pulse RGB THROUGH SCART 2 RGB Through Control Signal Signal Name Function S REEL Supply Ree...

Страница 14: ...Tabs 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 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 align ing the ...

Страница 15: ...1 7 2 HE470DC S 1 S 1 S 1 1 Top Case Fig 1 L 2 L 1 2 Front Assembly L 2 Fig 2 S 2 S 2 S 4 S 2 S 2 S 3 S 3 3 VCR Chassis Unit Fig 3 S 5 4 Jack CBA Desolder Fig 4 ...

Страница 16: ...der Assembly From AC Head Assembly Lead with blue 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 7 Cylinder Shield Fig 5 LD SW Pin Hole Hole Shaft Cam Gear 6 Main CBA 5 Deck Assembly 6 Main CBA SW507 LD SW Pin Fig 6 ...

Страница 17: ...lloscope Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape FL6A 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 outpu...

Страница 18: ... 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 P POWER SUPPLY BLOCK POWER CTL BLOCK VIDEO BLOCK Hi Fi BLOCK SYSCON TIMER SERVO BLOCK AUDIO BLOCK TUNER ...

Страница 19: ... SYNC D REC H RF SW H A 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 M CAPSTAN MOTOR SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEANS CONNECTOR CAN DISCONNECT AND RECONNECT 2 PREFIX SYMBOL CL MEANS WIRE ...

Страница 20: ...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 COLOR IN FBC 1 2 58 59 65 29 28 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 WIRE...

Страница 21: ...H 1 FE H GND CL501 1 9 5 1 9 6 HE470BLA 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 INFOR...

Страница 22: ... PROCESS N A REC TO AUDIO BLOCK N A PB AFV CBA TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 SIF 2 CN701 CN1 TU701 AUDIO SIF 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 10 A IN1 L 8 10 8 A OUT1 R 6 A OUT1 L 12 6 12 IC451...

Страница 23: ...t 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 HE470BLP 1 9 9 1 9 10 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 SHUNT REGULATOR REG AC001 T001 P ON 32V P ON...

Страница 24: ...nnector 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 unless other wise specified 7 All capacitance values are indicated in µF P 10 6 µF 8 All voltages are DC voltages unless otherwise specified 9 Voltage indicati...

Страница 25: ...C MODE 1 2 3 5 0 5 0 2 5 SMD IC501 KEY VOLTAGE CHART KEY 1 72PIN KEY 2 73 PIN 0 00 0 51V POWER STOP EJECT 0 51 0 92V TV VCR REW 0 92 1 27V PLAY 1 27 1 61V CH FF 1 61 1 98V CH PAUSE 1 98 2 39V S INH 2 39 2 90V REC STOP EJECT 2 90 3 60V 3 60 4 30V 4 30 5 00V KEY OFF KEY OFF Pin No Voltage Comparison Chart of Models and Marks MODEL MARK VR540 02 A VR540 07 B VR540 16 C ...

Страница 26: ...0 6 HE470SCM2 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 Comparison Chart of Models and Marks MODEL MARK VR540 02 A VR540 07 B VR540 16 C ...

Страница 27: ... 2 C708 G 1 R548 K 2 C716 G 1 R549 K 2 C717 G 1 R566 J 4 R701 G 2 CN701 K 1 R702 G 1 R703 G 1 D701 G 2 R706 G 1 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 L702 I 1 SW509 J 2 L703 H 2 SW510 K 2 L704 G 1 SW511 K 2 SW512 K 2 Q504 L 4 Q505 L 4 FP562 H 4 TU701 H 2 R534 J 3 R535 J 3 TP506 K 4 R536 J 3 TP507 K 2 R537 J 3 CONNECTORS DIODES TEST POINTS SWITCHES T...

Страница 28: ...5 O 1 R311 O 4 R429 O 1 C319 Q 3 C428 O 1 R312 N 4 R430 O 1 C320 Q 3 C430 P 1 R313 N 4 R431 P 1 C321 Q 3 C431 P 1 R315 O 4 R771 Q 1 C322 Q 3 C771 Q 2 R316 O 4 R772 Q 1 C323 Q 3 C772 R 1 R317 O 4 R773 Q 1 C324 Q 3 C773 R 2 R318 O 4 R774 Q 1 C325 Q 4 C774 R 2 R319 N 4 R775 Q 1 C326 Q 4 C775 Q 2 R320 O 4 R776 R 1 C327 P 4 C776 Q 2 R321 Q 4 R777 R 1 C329 P 4 C777 Q 2 R323 Q 3 R778 Q 2 C330 P 4 C778 Q ...

Страница 29: ...Main 3 6 Schematic Diagram 1 10 9 1 10 10 HE470SCM3 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 ...

Страница 30: ...Main 4 6 Jack Schematic Diagram 1 10 11 1 10 12 HE470SCM4 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 ...

Страница 31: ...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 W 3 JK101 X 4 JK102 X 2 L101 X 2 L102 X 1 RESISTORS CAPACITORS TRANSISTORS COILS MISCELLANEOUS CONNECTORS DIODES Ref No Position C157 T 3 C158 T 3 CL151 U 3 CL152 U 2 D153 U 3 D...

Страница 32: ... AA 2 R027 Z 1 C026 BB 2 L012 BB 2 R028 Z 3 C053 BB 2 R054 BB 2 C056 BB 1 Q001 Z 2 R058 CC 2 C057 BB 1 Q002 Z 2 R060 BB 1 C060 BB 2 Q003 Z 1 R061 BB 1 C061 CC 2 Q004 AA 1 R062 BB 2 Q051 BB 3 R063 CC 2 D001 Z 3 Q052 BB 3 R064 CC 2 D002 Z 3 Q053 BB 2 R065 BB 2 D003 Z 3 Q054 CC 2 R066 BB 3 D004 Z 3 Q055 BB 2 R067 BB 3 D005 Z 2 Q056 BB 1 R068 BB 3 D006 Z 2 Q057 BB 3 R069 CC 2 D007 Z 1 Q058 CC 3 R070 C...

Страница 33: ...rison Chart of Models and Marks MODEL MARK VR540 02 A VR540 07 B VR540 16 C 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 F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to th...

Страница 34: ...F 2 R451 EE 2 C459 FF 2 R452 EE 2 C460 FF 2 R453 EE 1 C461 FF 2 R454 EE 1 C462 GG 2 R457 EE 1 C463 GG 2 R458 EE 1 C464 GG 3 R459 EE 1 C465 FF 3 R460 GG 2 C466 GG 3 R461 GG 2 C467 FF 4 R462 FF 3 C468 FF 4 R463 EE 4 C469 FF 4 R464 EE 4 C470 FF 4 R465 EE 4 C471 FF 4 R466 EE 4 C472 FF 4 R467 EE 4 C473 FF 4 R469 DD 4 C474 EE 4 R471 DD 4 C475 EE 4 R472 DD 3 C476 DD 3 R473 DD 3 C477 DD 3 R474 EE 4 C478 D...

Страница 35: ... Models and Marks MODEL MARK VR540 02 A VR540 07 B VR540 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 B 2 R1 B 1 R4 B 2 R5 A 1 R6 A 1 X1 B 1 CONNECTORS DIODES RESISTORS CRYSTAL OSCILLATORS CAPACIT...

Страница 36: ...F 3 C004 G 3 C339 C 3 C481 B 3 C855 D 2 L003 F 3 C005 G 2 C340 C 3 C482 B 3 C856 D 1 L009 G 1 C006 G 2 C341 C 3 C483 B 3 C859 C 1 L010 G 1 C007 G 2 C342 C 3 C484 B 3 C862 D 2 L012 F 1 C008 G 2 C343 C 3 C485 C 3 L251 C 3 C010 G 3 C345 D 2 C486 C 3 CL151 B 3 L301 C 3 C011 F 2 C346 C 2 C501 D 1 CL152 A 2 L402 E 3 C012 F 2 C347 C 3 C502 D 1 CL253 C 3 L403 F 3 C014 F 1 C351 C 2 C506 C 1 CL501 B 3 L451 ...

Страница 37: ...N 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 F1001 is blown check to see that all components in the power supply circuit are not defective before you connect...

Страница 38: ...HEN 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 F1001 is blown check to see that all components in the power supply circuit are not defective before you conne...

Страница 39: ...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 RESISTORS CONNECTORS DIODES MISCELLANEOUS COIL...

Страница 40: ... 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 R6 B 2 X1 B 2 RESISTORS CRYSTAL OSCILLATORS CAPACITORS CONNECTORS DIODES ICS COILS ...

Страница 41: ...50mV x 10 UPPER WF2 WF2 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50usec C PB 10mV x 10 RF SW 0 5V x 10 5msec WAVEFORMS 1 11 1 U27WFP TP751 of Main CBA TP751 of Main CBA TP302 of Main CBA UPPER LOWER TP302 of Main CBA TP301 of Main CBA ...

Страница 42: ...FULL ERASE HEAD FE HEAD VIDEO 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 AUDIO OUT R AUDIO OUT L REAR VIDEO IN AUDIO IN R AUDIO IN L FRONT VIDEO L ...

Страница 43: ... 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...

Страница 44: ...ode Fig 1 18 RF SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA AT H Z H L L ST BL STILL FRAME ADVANCE STILL The first rise of RF SW after a rise in F AD signal Stop detection T2 Slow Tracking Value Acceleration Detection T1 Reversal Limit Value 20ms ...

Страница 45: ...8 RF SW F AD Internal Signal C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA STILL STILL AT ST BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first rise of RF SW after a rise in F AD signal 20ms ...

Страница 46: ...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 2S 2...

Страница 47: ... 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 AU ...

Страница 48: ...eo Head Switching Pulse H L 19 OUT HiFi H SW HiFi 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 Hi z 28 OUT LINE MUTE Audio Mute Control Signal L 29 N U Not Used 30 N U Not Used 31 IN REC SAF SW Recording Safety SW Detect With Record tab L With ou...

Страница 49: ...rol Signal PWM 77 OUT D CONT Drum Motor 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 H Audio Mute Control Signal Mute H H Pin No IN OUT Signal Name Function Active Level 84 OUT FF...

Страница 50: ...3199 Y GR BL 2SC2785 J H F K KRA103M KRC103M KRA104M KTA1281 Y 2SC1815 BL TPE2 2SC1815 Y TPE2 2SC1815 GR TPE2 2SC3266 Y TPE2 2SC2120 Y TPE2 KTC3203 Y 2SC1815 BL TPE2 2SA1020 Y KTC3205 Y 2SA1015 GR TPE2 E C B E C PT204 6B 12 MID 32A22 5 4 8 1 BR24C02F W CAT24WC02JI FS1KM 18A FS1KM 14A LM339DT KIA339F EL 1 7 14 8 PT 6958 FN TP 60 LA72648M 21 40 41 20 1 80 61 G D S 1 14 28 15 B1 E B2 C1 C2 RN1511 TE8...

Страница 51: ...ROLYTIC CAP 470UF 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 CERAMIC CAP AX X K 5600PF 16V 1 1 1 C026 ELECTROLYTIC CAP 47UF 16V M H7 1 1 1 C053 ELECTROLYTIC CAP 330UF 6 3V M 1 1 1 C056 CHIP CERAMIC CAP B K 0 047UF 50V 1 1 1 C057 CHIP CERAMIC CAP CH J 470PF 50V 1 1 1 C060 ELECTROLYTIC CAP 10UF 16V M H7 1 ...

Страница 52: ...F 50V 1 1 1 C337 CHIP CERAMIC CAP 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 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 ...

Страница 53: ...H7 1 1 1 C483 ELECTROLYTIC CAP 4 7UF 25V M H7 1 1 1 C484 ELECTROLYTIC CAP 10UF 16V M H7 1 1 1 C485 CHIP CERAMIC CAP F Z 0 1UF 50V 1 1 1 C486 CHIP CERAMIC CAP F Z 0 1UF 50V 1 1 1 C501 ELECTROLYTIC CAP 220UF 6 3V M 1 1 1 C502 CHIP CERAMIC CAP 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 ELECTROLYTI...

Страница 54: ...5 1 1 1 D004 4822 130 31933 RECTIFIER DIODE 1N4005 1 1 1 D005 5322 130 34979 RECTIFIER DIODE BA159 1 1 1 D006 4822 130 30621 SWITCHING DIODE 1N4148M 1 1 1 D007 4822 130 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 41487 RECTIFIER DIODE BA157 1 1 1 D012 4822 130 83883 RECTIFIER DIODE FR202 1 1 1...

Страница 55: ...JUMPER D0 6 P5 0 1 1 1 L704 4822 157 11511 INDUCTOR 15UH K 26T 1 1 1 L851 9965 000 08629 INDUCTOR 1 8UH K 26T 1 1 1 TRANSISTORS PS503 9965 000 12189 PHOTO INTERRUPTER RPI 302C70 1 1 1 Q001 9965 000 06568 FET FS1KM 18A 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 10103 TRANSISTOR KTC3199 Y 1 1 1 Q051 4822 130 42292 RES BUILT IN ...

Страница 56: ...1 1 R061 CHIP RES 1608 1 10W J 22K OHM 1 1 1 R062 CARBON RES 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 R069 CARBON RES 1 6W J 8 2K OHM 1 1 1 R070 CARBON RES 1 6W J 10K OHM 1 1 1 R071 CARBON RE...

Страница 57: ... 6K OHM 1 1 1 R426 CHIP RES 1608 1 10W J 4 7K OHM 1 1 1 R429 CHIP RES 1608 1 10W J 2 2K OHM 1 1 1 R430 CHIP RES 1608 1 10W 0 OHM 1 1 1 R431 CHIP RES 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...

Страница 58: ...HM 1 1 1 R540 CHIP RES 1608 1 10W J 390K OHM 1 1 1 R541 CHIP RES 1608 1 10W J 390K OHM 1 1 1 R542 CHIP RES 1608 1 10W J 1 8K OHM 1 1 1 R543 CHIP RES 1608 1 10W J 1K OHM 1 1 1 R544 CHIP 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...

Страница 59: ...NER UNIT TMDG2 631A 1 1 TU701 9965 000 12193 TUNER UNIT TMDG2 632A 1 VR501 9965 000 05260 CARBON P O T 100K OHM B 1 1 1 X301 9965 000 05629 X TAL 4 433619MHZ 1 1 1 X501 9965 000 12194 X TAL 12 000MHZ 1 1 1 X502 9965 000 12288 X TAL 32 768KHZ 20PPM 1 1 1 JACK CBA 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 ...

Страница 60: ...AMIC CAP F Z 0 1UF 50V 1 1 1 C4 CHIP CERAMIC CAP CH J 56PF 50V 1 1 1 C5 CHIP CERAMIC CAP CH J 22PF 50V 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 B K 0 01UF 50V 1 1 1 C12 ELECTROLYTIC CAP 10UF 16V M H7 1 1 1 C13 CHIP CERAMIC CAP B K 0 01UF 50V 1 1 1 C14 CHIP CERAMIC CAP B K 0 01UF 50V 1 1 1 C15 EL...

Страница 61: ...1 17 1 HE470FEX A1X EXPLODED VIEWS Front Panel ...

Страница 62: ... Cabinet 2L022 2L022 2L042 2L012 2B18 2B9 2B9 1B1 2L021 2L021 2L021 2L021 2L021 A2 2L011 2L011 2L011 2L011 2L011 A7 A3 A10 JACK CBA A5 2L031 2L099 2L041 MAIN CBA 2L041 2B7 2B8 2B46 AFV CBA SENSOR CBA 2B5 2L051 A29 A29 ...

Страница 63: ...A C B A C B X26 X36C X36F X36I X45A X45B X45C X36B X36A X36E X36D X36H X36G X36K X36J X36 X45 X20A X20E X20B X20F X20C X20G X20I X20J X20K X20D X20H X1 Unit S3 Comparison Chart of Models and Marks Model Mark VR540 02 VR540 07 VR540 16 A B C S2 S2 X20 B S9 X1 S12 Packing ...

Страница 64: ... 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 HE470ED 1 1 S1 GIFT BOX CARTON HE471BD 1 S2 STYROFOAM HE470E...

Страница 65: ...ANICAL ALIGNMENT PROCEDURES 2 3 1 DISASSEMBLY ASSEMBLY PROCEDURES OF DECK MECHANISM 2 4 1 ALIGNMENT PROCEDURES OF MECHANISM 2 4 9 DECK EXPLODED VIEWS 2 5 1 DECK PARTS LIST 2 6 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 ...

Страница 66: ...xploded Views B73 Recording Model only 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 AC Head Assembly I B573 B574 Reel S Reel T I B37 Capstan Motor I I B52 Cap Belt I I B73 FE Head Assembly I B86 F Brake Assembly HI I I B133 Idler ...

Страница 67: ...y 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 Audio Control 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 audio control head Be car...

Страница 68: ...t Tape FL6N8 2 Head model FL6NS8 4 Head model Azimuth and X Value Adjustment of Audio Control 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 A C Head Height J 5 X Value Adj Screwdriver Available Locally X Value ...

Страница 69: ... 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 cass...

Страница 70: ... the X value and envelope Not good Do the final tape traveling test to see that the tape runs normally in play mode with out creasing or slacking Completion Not good OK OK OK Not good Not good OK Flowchart of Alignment for tape traveling 1 A 1 A 1 B 1 C 1 C 1 D 1 D 1 B 1 C 1 B 1 C 1 A 1 Tape Interchangeability Alignment Note To do these alignment procedures make sure that the Tracking Control Circ...

Страница 71: ...sition of the Audio Control Erase Head Symptom of Misalignment If the Horizontal Position of the Audio Control Erase Head is not properly aligned maximum envelope can not be obtained at the Neutral position of the Tracking Control Circuit 1 Connect the oscilloscope to TP301 C PB and TP501 CTL on the Main CBA Use TP502 RF SW as a trigger 2 Playback the Gray Scale of the Alignment Tape FL6NS8 and co...

Страница 72: ...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 When Guide Rollers 2 and 3 Refer to Fig M3 are aligned properly there is no envelope drop either at the beginning or end of track as shown in Fig M9 Note Upon c...

Страница 73: ...6 Desolder 3 S 2 8 8 Loading Motor Assembly T DM1 DM7 Desolder LDG Belt 2 S 3 9 9 AC Head Assembly T DM1 DM7 S 4 10 2 Tape Guide Arm Assembly T DM1 DM8 P 2 11 10 C Door Opener T DM1 DM8 L 4 12 11 Pinch Arm B T DM1 DM8 P 3 13 12 Pinch Arm Assembly T DM1 DM8 14 14 FE Head Assembly T DM1 DM9 S 5 15 15 Prism T DM1 DM9 S 6 16 2 Slider Shaft T DM10 L 5 17 16 C Drive Lever SP T DM10 18 16 C Drive Lever T...

Страница 74: ...ication 34 26 Loading Arm SP Assembly B DM2 DM14 Refer to Alignment Sec Pg 2 4 9 35 34 Loading Arm TU Assembly B DM2 DM14 Refer to Alignment Sec Pg 2 4 9 36 16 26 M Brake TU Assembly HI T DM1 DM15 37 2 26 M Brake SP Assembly HI T DM1 DM15 P 6 38 37 Tension Lever Assembly T DM1 DM15 39 38 T Lever Holder T DM15 L 10 40 40 M Gear HI T DM1 DM15 C 6 41 15 40 Sensor Gear HI T DM1 DM15 C 7 42 36 40 Reel ...

Страница 75: ...2 4 3 U27HSDA 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Fig DM1 Top View 34 19 35 25 26 24 23 27 33 20 28 22 Fig DM2 Bottom View ...

Страница 76: ... slide and pull up the right side on 2 to release Pin A and Pin B from the slots A Then remove Pin C and Pin D on 2 from the slots B as shown 2 Pin A Slots B Pin C Pin B Pin D Pull up Slide Slot A Slot A 1 2 A 3 4 5 6 L 1 L 2 P 1 Fig DM5 L 3 L 12 49 50 7 S 2 A Fig DM6 View for A Desolder from bottom Lead with Red Stripe ...

Страница 77: ...e Stripe A 8 9 S 4 S 3 LDG Belt Fig DM8 11 13 12 A 10 L 4 Adj Screw P 3 P 2 27 When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 27 as shown Pin of 12 Pin of 10 Groove of 27 View for A Fig DM9 14 15 S 6 S 5 Fig DM10 17 16 18 S 7 L 5 P 4 ...

Страница 78: ...Fig DM13 Align 26 and 27 as shown Bottom View 27 Pin of 36 Pin of 33 Position of Mode Lever when installed Pin of 37 26 When reassembling 27 meet the first groove on 27 to the first tooth on 44 as shown 27 Top View First tooth on 44 First groove on 27 27 31 C 3 26 C 4 25 C 2 28 29 30 C 5 S 9 24 23 L 7 L 8 ...

Страница 79: ...2 4 7 U27HSDA Refer to the Alignment Section Page 2 4 9 Fig DM14 33 32 L 9 P 5 34 35 Fig DM15 37 39 turn turn 42 43 38 P 6 turn 36 L 10 40 41 C 6 C 7 Fig DM16 44 45 46 L 11 47 48 Slide Fig DM17 ...

Страница 80: ...he 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 TU Assembly so that the last tooth of the gear meets the most inside teeth of the Mod...

Страница 81: ...t Chassis Assembly Bottom View Lubricating Point B2 B35 B410 B411 B494 B567 L1053 B74 B10 L1191 B73 B9 B12 B492 B11 B571 B37 B126 L1466 B501 B8 B121 L1450 L1450 L1051 L1467 B553 B86 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 DECK EXPLODED VIEWS Deck Mechanism View 1 ...

Страница 82: ...1 B565 L1151 B525 B592 B31 L1406 B148 B521 B590 B487 B573 B574 B499 B587 B508 B558 B557 B3 B417 B584 B591 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 B522 B414 B416 B518 B564 B572 B559 B581 SANKOUL FG84M Yellow grease B133 B551 B583 B580 B582 A View for A B578 B579 B579 B585 B513 Deck Mechanism View 2 ...

Страница 83: ...555 B563 B300 B562 B482 B355 B354 B483 B425 L1321 B347 L1321 B361 B359 B529 B360 B514 B313 Some Ref Numbers are not in sequence Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 Deck Mechanism View 3 ...

Страница 84: ...K12 B580 9965 000 16672 TR GEAR C MK12 B355 9965 000 16647 SLIDER SP MK12 B581 9965 000 16673 CENTER GEAR MK11 B359 9965 000 08449 CLEANER LEVER MK10 B582 9965 000 12247 TR GEAR SPRING MK10 B360 9965 000 06561 CLEANER ROLLER MK9 B583 9965 000 05342 REEL WASHER MK9 5 2 1 0 5 B361 9965 000 08450 CL POST MK10 B584 9965 000 12248 TR GEAR SHAFT MK10 B410 9965 000 16648 PINCH ARM A ASS 4 MK12 B585 9965 ...

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