Panasonic Omnivision PV-9661 Service Manual Download Page 168

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file:///E:/PV-9661_PV-9662/SVC/s0603010000.html

6.3.1 TEST EQUIPMENT

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To do all of these electrical adjustments, the following equipment is required.

1. Dual-Trace Oscilloscope

Voltage Range: 0.001 to 50V/Div.

Frequency Range: DC to 50MHz

Probes: 10:1, 1:1

2. NTSC Video Pattern Generator

3. Color TV Receiver or Monitor

4. Plastic Tip Driver and Non-Metal Driver

5. Isolation Transformer (Variable)

6. VHS Alignment Tape (VFMS0003H6)

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file:///E:/PV-9661_PV-9662/SVC/s0603010000.html [2006-01-28 11:10:59]

Summary of Contents for Omnivision PV-9661

Page 1: ...ORDER NO MKE9901002C1 B3 Video Cassette Recorder PV 9661 PV 9662 1999 Matsushita Kotobuki Electronics Industries LTD All rights reserved Unauthorized copying and distribution is a violation of law fi...

Page 2: ...file E PV 9661_PV 9662 SVC s0000000000 html TOP NEXT file E PV 9661_PV 9662 SVC s0000000000 html 2 z 2 2006 01 28 11 08 20...

Page 3: ...ed by accidental shorting that may occur during servicing 3 When servicing observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the sh...

Page 4: ...ross the resistor 4 Check each exposed metallic part and measure the voltage at each point 5 Reverse the AC plug in the AC outlet and repeat each of the above measurements 6 The potential at any point...

Page 5: ...with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder...

Page 6: ...ctricity ESD sufficient to damage an ES device NOTE to CATV system installer This reminder is provided to call the CATV system installer s attention to Article 820 22 of the NEC that provides guidelin...

Page 7: ...file E PV 9661_PV 9662 SVC s0300000000o html 3 OPERATION GUIDE TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0300000000o html 2006 01 28 11 08 40...

Page 8: ...Service Position with Extension Cable Kit 4 1 2 2 1 Service Position 4 1 2 2 2 Extension Cable Kit VUZS0002 4 1 2 2 3 How to place the unit in the Service Position 1 4 1 3 HOT CIRCUIT 4 1 4 SERVICE M...

Page 9: ...TO RESET ALL VCR MEMORY FUNCTIONS 4 1 13 VARIABLE VOLTAGE ISOLATION TRANSFORMER 4 1 14 SPECIAL NOTE 4 1 15 REPLACEMENT PROCEDURE FOR LEADLESS CHIP COMPONENTS 4 1 16 MODEL NO IDENTIFICATION MARK 4 2 I...

Page 10: ...xtension Cable Kit 4 1 2 2 1 Service Position 4 1 2 2 2 Extension Cable Kit VUZS0002 4 1 2 2 3 How to place the unit in the Service Position 1 4 1 3 HOT CIRCUIT 4 1 4 SERVICE MODE 4 1 5 INSTALLATION O...

Page 11: ...CYLINDER ROTATION IN STOP MODE 4 1 11 BLACK SCREWS ON THE CHASSIS 4 1 12 HOW TO RESET ALL VCR MEMORY FUNCTIONS 4 1 13 VARIABLE VOLTAGE ISOLATION TRANSFORMER 4 1 14 SPECIAL NOTE 4 1 15 REPLACEMENT PRO...

Page 12: ...he Simplified Fault finding data is memorized for approximately 12 hours This data is cleared after it is displayed and then the POWER button is pressed back on 1 With power turned off press TV VCR bu...

Page 13: ...file E PV 9661_PV 9662 SVC s0401010000 html Fig 1 4 Fig 1 5 file E PV 9661_PV 9662 SVC s0401010000 html 2 z 3 2006 01 28 11 08 51...

Page 14: ...ote to detect that a key has been pressed The 1st digit changes to 0 only when key is detected Fig 1 6 Note 1 When 1 to 4 listed in Lock code occurs the VCR goes into VCR shut off condition VCR stops...

Page 15: ...ervicing Extension Cables should be used 4 1 2 1 Basic Service Position 4 1 2 1 1 Service Position 1 4 1 2 1 2 Service Position 2 4 1 2 2 Service Position with Extension Cable Kit 4 1 2 2 1 Service Po...

Page 16: ...V 9662 SVC s0401020100 html 4 1 2 1 Basic Service Position TOP PREVIOUS NEXT 4 1 2 1 1 Service Position 1 4 1 2 1 2 Service Position 2 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0401020100 html 200...

Page 17: ...661_PV 9662 SVC s0401020101 html 4 1 2 1 1 Service Position 1 TOP PREVIOUS NEXT 1 Remove Top Cover and Front Panel Ass y Fig 2 1 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0401020101 html 2006 01 2...

Page 18: ...is Unit out of Frame 2 Place VCR Chassis Unit and Operation I II C B A s as shown Fig 2 2 CAUTION HOT CIRCUIT Primary circuit exists on the Main C B A Use extreme care to prevent accidental shock when...

Page 19: ...file E PV 9661_PV 9662 SVC s0401020102 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0401020102 html 2 z 2 2006 01 28 11 08 54...

Page 20: ...Position with Extension Cable Kit TOP PREVIOUS NEXT 4 1 2 2 1 Service Position 4 1 2 2 2 Extension Cable Kit VUZS0002 4 1 2 2 3 How to place the unit in the Service Position 1 TOP PREVIOUS NEXT file...

Page 21: ...In Service Position 1 mechanism check from the Bottom Side of Mechanism Chassis and Capstan Stator Unit Capstan Motor Drive Loading Motor Drive Circuit check with power on condition can be performed F...

Page 22: ...NEXT Fig 2 5 Note 3 types of Extension Cable 2 are included in this kit Since there is a difference in the number of P3501 Head Amp C B A pins between 2 Head 4 Head and Hi Fi models be sure to use the...

Page 23: ...to place the unit in the Service Position 1 TOP PREVIOUS NEXT 1 Remove Top Cover Front Panel Ass y Mechanism Chassis and Cassette Up Ass y 2 Connect the Extension Cables as follows Fig 2 6 file E PV 9...

Page 24: ...id damaging the connectors on Main C B A it is necessary to secure connectors with tape as shown 5 Set Mode Select SW on the Main C B A to Service Position 6 Plug the AC plug into an AC outlet 7 Inser...

Page 25: ...e cassette Then reconnect the jumper 11 After servicing remove the jumper between TP6001 and GND to release the unit from Service Mode Fig 2 7 CAUTION HOT CIRCUIT Primary circuit exists on the Main C...

Page 26: ...file E PV 9661_PV 9662 SVC s0401020203 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0401020203 html 4 z 4 2006 01 28 11 09 00...

Page 27: ...EVIOUS NEXT Primary circuit exists on the Main C B A This circuit is identified as HOT on the C B A and in the Service Manual Use extreme care to prevent accidental shock when servicing TOP PREVIOUS N...

Page 28: ...her on VCR for over 5 seconds in power off condition Fig 3 The power comes on and the unit goes into service mode In this mode Mechanism movement can be confirmed When removing Cassette Up Ass y it ca...

Page 29: ...Lid of Front Panel Ass y and Opener Lever of Cassette Up Ass y set incorrectly Install the Front Panel Ass y as follows 1 Swing the Cassette Door Lid all the way open until the Cassette Door tab clear...

Page 30: ...is jammed or locked Fig 5 1 Electrical Method Remove the solder as shown and apply 10 0 VDC Power Supply DC to Portion a DC to Portion c Note Be careful not to let the DC Power Supply Unit GND contact...

Page 31: ...after loading unloading operation is completed When loading without a cassette press Portion a on both sides of the Holder Unit of Cassette Up Ass y so that the Levers clear the Tabs and Holes Fig 5...

Page 32: ...Unit may be damaged or its spring may be out of place when the jammed tape is removed by force Remove a jammed tape as follows 4 1 7 1 Manual Method 4 1 7 1 1 Method 1 4 1 7 1 2 Method 2 4 1 7 1 3 Met...

Page 33: ...IOUS NEXT When a tape jam is encountered check the tape loading condition and use the following procedure to remove a tape jam Fig 6 1 4 1 7 1 1 Method 1 4 1 7 1 2 Method 2 4 1 7 1 3 Method 3 TOP PREV...

Page 34: ...Pinch Arm Unit out of the groove of the Main Cam Gear so that the Pinch Roller is separated from the shaft of the Capstan Rotor Unit Fig 6 2 3 Remove the tape from the tape path 4 Rewind the tape into...

Page 35: ...the Drive Rack Unit out far enough so that it clears the Drive Rack Arm slide the Drive Rack Unit as indicated by the arrow to remove the cassette tape from theCassette Up Ass y 8 Check the cause of...

Page 36: ...US NEXT 1 Rotate Main Cam Gear clockwise with needlenose pliers etc so that the Pinch Roller is separated from the shaft of the Capstan Rotor Unit 2 Perform Step 3 through Step 8 of Method 1 TOP PREVI...

Page 37: ...Note After repairing mechanical trouble make sure that all gear alignments are correct especially the Wiper Arm Unit and Drive Rack Unit of Cassette Up Ass y Refer to EJECT Position Confirmation inDi...

Page 38: ...wn and apply 10 0 VDC Power Supply DC to Portion a DC to Portion c 2 When the Loading Posts reach the fully unloaded position remove the Power Supply Fig 7 Note Be careful not to let the DC Power Supp...

Page 39: ...070200 html 4 Eject the cassette by applying 10 0VDC Power Supply again 5 After completing the removal procedure solder Portion a and Portion b TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0401070200...

Page 40: ...EVIOUS NEXT To defeat the Auto Tracking Function place the instrument in the STOP mode and place a jumper between TP6003 and TP6009 on the Main C B A The tracking will be placed in the neutral positio...

Page 41: ...1 9 HOW TO SET TRACKING TO THE NEUTRAL POSITION TOP PREVIOUS NEXT Ejecting the cassette tape and then reinserting it will reset the tracking to the Neutral position TOP PREVIOUS NEXT file E PV 9661_PV...

Page 42: ...STOP MODE TOP PREVIOUS NEXT The cylinder will continue to rotate for approximately 5 minutes after the STOP button is pressed in Play mode etc Eject the tape in order to stop the cylinder TOP PREVIOU...

Page 43: ...0000 html 4 1 11 BLACK SCREWS ON THE CHASSIS TOP PREVIOUS NEXT Black Screws are used on the Mechanism Chassis to identify screws that require adjustment TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0...

Page 44: ...clear the select language channel auto set and set clock functions to their initial power on condition power on no cassette inserted hold down the PLAY and CH UP buttons on the unit together for more...

Page 45: ...adequate power rating as this protects the technician from accidents resulting in personal injury fromelectrical shocks It will also protect VCR from being damaged by accidental shorting that may occu...

Page 46: ...IAL NOTE TOP PREVIOUS NEXT All integrated circuits and many other semiconductor devices are electrostatically sensitive and therefore require the special handling techniques TOP PREVIOUS NEXT file E P...

Page 47: ...e Do not apply heat for more than 4 seconds D Preheating Leadless capacitor must be preheated before installation 266 F 302 F 130 C 150 C for about two minutes Note a Leadless components must not be r...

Page 48: ...ak the copper foil on the printed circuit board Fig 8 1 3 Installing the leadless component A Presolder the contact points on the circuit board Fig 8 2 4 Press the part downward with tweezers and sold...

Page 49: ...ml 4 1 16 MODEL NO IDENTIFICATION MARK TOP PREVIOUS NEXT Use Marks shown in the chart below to distinguish the different models included in this Service Manual TOP PREVIOUS NEXT file E PV 9661_PV 9662...

Page 50: ...OR AND CHIP PART INFORMATION TOP PREVIOUS NEXT 4 2 1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS 4 2 2 HOW TO READ THE VALUES OF THE CYLINDRICAL TYPE CHIP COMPONENTS TOP PREVIOUS NEXT file...

Page 51: ...le E PV 9661_PV 9662 SVC s0402010000 html 4 2 1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0402010000 html 2006 01 28 11 09...

Page 52: ...e read first for value If this part is included in the parts list be sure that the color band is read properly when servicing 2 CAPACITOR Because of the width of the color bands the reading direction...

Page 53: ...2 Reassembly Notes 5 1 3 Bottom Panel 5 1 3 1 Disassembly Procedure 5 1 4 Front Panel Ass y 5 1 4 1 Disassembly Procedure 5 1 4 2 Reassembly Notes 5 1 5 Operation C B A 5 1 5 1 Disassembly Procedure...

Page 54: ...sassembly Procedure 5 2 3 2 Reassembly Notes 5 2 4 Upper Cylinder Unit 5 2 4 1 Disassembly Procedure 5 2 4 2 Reassembly Notes 5 2 5 Opener Piece Pinch Arm Unit Motor Block Ass y Audio Control Head Uni...

Page 55: ...e 5 2 10 1 Disassembly Procedure 5 2 10 2 Reassembly Notes 5 2 11 S Brake Arm Unit Main Lever Guide Loading Post Base S and Loading Post Base T Unit 5 2 11 1 Disassembly Procedure 5 2 11 2 Reassembly...

Page 56: ...assembly Notes 5 2 16 Loading Rack Unit 5 2 16 1 Disassembly Procedure 5 2 16 2 Reassembly Notes 5 3 DISASSEMBLY ASSEMBLY PROCEDURES OF CASSETTE UP COMPARTMENT SECTION 5 3 1 Top Plate Wiper Arm Unit a...

Page 57: ...1 3 1 Disassembly Procedure 5 1 4 Front Panel Ass y 5 1 4 1 Disassembly Procedure 5 1 4 2 Reassembly Notes 5 1 5 Operation C B A 5 1 5 1 Disassembly Procedure 5 1 6 VCR Chassis Unit 5 1 6 1 Disassembl...

Page 58: ...file E PV 9661_PV 9662 SVC s0501000000 html 5 1 8 1 Disassembly Procedure 5 1 8 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501000000 html 2 z 2 2006 01 28 11 09 25...

Page 59: ...NEXT Perform all disassembly procedures in the order described in the Disassembly Flowchart shown below When reassembling use the reverse procedure CAUTION Disconnect AC plug before disassembly Fig D...

Page 60: ...PV 9661_PV 9662 SVC s0501020000 html 5 1 2 Top Cover TOP PREVIOUS NEXT 5 1 2 1 Disassembly Procedure 5 1 2 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501020000 html 2006 01 28 1...

Page 61: ...0 html 5 1 2 1 Disassembly Procedure TOP PREVIOUS NEXT 1 Remove 2 Screws A and 3 Screws B 2 Lift up on the rear portion of the Top Cover and remove Fig D2 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC...

Page 62: ...stall the Top Cover front portion at a downward angle so that the tab on the Front Panel Ass y fits into the hole in the Top Cover Then lower the rear portion into place and tighten 2 Screws A and 3 S...

Page 63: ...file E PV 9661_PV 9662 SVC s0501030000 html 5 1 3 Bottom Panel TOP PREVIOUS NEXT 5 1 3 1 Disassembly Procedure TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501030000 html 2006 01 28 11 09 29...

Page 64: ...isassembly Procedure TOP PREVIOUS NEXT 1 Remove 2 Screws with Washers A B and Screw C 2 While pushing 2 Locking Tabs A to release slide the Bottom Panel and remove Fig D3 TOP PREVIOUS NEXT file E PV 9...

Page 65: ...661_PV 9662 SVC s0501040000 html 5 1 4 Front Panel Ass y TOP PREVIOUS NEXT 5 1 4 1 Disassembly Procedure 5 1 4 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501040000 html 2006 01...

Page 66: ...se 2 Locking Tabs C on the top left 3 Release 2 Locking Tabs D on the top right 4 Release Locking Tab E on the right side 5 Release 3 Locking Tabs F on the bottom side Then remove the Front Panel Ass...

Page 67: ...ION Opener Lever may be damaged when Front Panel Ass y is installed with Cassette Door Lid of Front Panel Ass y and Opener Lever of Cassette Up Ass y set incorrectly Installation of Front Panel Ass y...

Page 68: ...file E PV 9661_PV 9662 SVC s0501050000 html 5 1 5 Operation C B A TOP PREVIOUS NEXT 5 1 5 1 Disassembly Procedure TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501050000 html 2006 01 28 11 09 33...

Page 69: ...cedure TOP PREVIOUS NEXT 1 Releasing 4 Locking Tabs G 2 Disconnect 2 Connectors P6302 and P6350 on the Operation I and II C B A s Note Work carefully so as not to break the Tabs Fig D5 TOP PREVIOUS NE...

Page 70: ...661_PV 9662 SVC s0501060000 html 5 1 6 VCR Chassis Unit TOP PREVIOUS NEXT 5 1 6 1 Disassembly Procedure 5 1 6 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501060000 html 2006 01 2...

Page 71: ...val 2 Remove Screws E F G H I and Screw with Washer C 3 Remove Chassis Angle Fig D6 1 4 Push 2 Locking Tabs H inward to release while lifting the Rear Panel 5 Push Locking Tab I outward while gently l...

Page 72: ...Fig D6 2 Note 1 DO NOT pull upward on the UHF VHF Tuner TV Demodulator Unit because you may crack the Main C B A 2 Work carefully so as not to break tabs TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC...

Page 73: ...D FOR LOADING UNLOADING OF MECHANISM in Service Notes to tighten screws Then slide it back to the EJECT Position Make sure that Mechanism and Cassette Up Ass y are in the EJECT Position Refer to EJECT...

Page 74: ...V 9661_PV 9662 SVC s0501070000 html 5 1 7 Main C B A TOP PREVIOUS NEXT 5 1 7 1 Disassembly Procedure 5 1 7 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501070000 html 2006 01 28 1...

Page 75: ...P2531 P2552 P3501 and P4001 2 Carefully lift the Mechanism Chassis and Cassette Up Ass y straight out from the Main C B A Note Work carefully so as not to break Sensor LED when lifting the Mechanism...

Page 76: ...file E PV 9661_PV 9662 SVC s0501070200 html 5 1 7 2 Reassembly Notes TOP PREVIOUS NEXT Fig D7 2 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0501070200 html 2006 01 28 11 09 38...

Page 77: ...EXT CAUTION Opener Lever may be damaged when Cassette Up Ass y is removed with Front Panel Ass y attached Remove the Cassette Up Ass y as follows 5 1 8 1 Disassembly Procedure 5 1 8 2 Reassembly Notes...

Page 78: ...ETHOD FOR LOADING UNLOADING OF MECHANISM in Service Notes to gain access to 2 Screws J for removal 2 Remove Screw K 3 Unhook Spring A 4 Slide the Cassette Up Ass y towards the front to release Locking...

Page 79: ...the Cassette Up Ass y Then slide the Cassette Up Ass y towardsthe back 2 Slide Holder Unit refer to METHOD FOR LOADING UNLOADING OF MECHANISM in Service Notes to tighten 2 Screws J and Screw K Be car...

Page 80: ...rocedure 5 2 4 2 Reassembly Notes 5 2 5 Opener Piece Pinch Arm Unit Motor Block Ass y Audio Control Head Unit and Cleaner Arm Unit 5 2 5 1 Disassembly Procedure 5 2 5 2 Reassembly Notes 5 2 6 Main Cam...

Page 81: ...Unit Main Lever Guide Loading Post Base S and Loading Post Base T Unit 5 2 11 1 Disassembly Procedure 5 2 11 2 Reassembly Notes 5 2 12 Capstan Rotor Unit Capstan Holder Unit and SS Brake Arm Unit 5 2...

Page 82: ...Spring Changing Gear Changing Lever B and Idler Arm Unit 5 2 15 1 Disassembly Procedure 5 2 15 2 Reassembly Notes 5 2 16 Loading Rack Unit 5 2 16 1 Disassembly Procedure 5 2 16 2 Reassembly Notes TOP...

Page 83: ...file E PV 9661_PV 9662 SVC s0502010000 html 5 2 1 Disassembly Method TOP PREVIOUS NEXT Fig J1 1 file E PV 9661_PV 9662 SVC s0502010000 html 1 z 2 2006 01 28 11 09 45...

Page 84: ...file E PV 9661_PV 9662 SVC s0502010000 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502010000 html 2 z 2 2006 01 28 11 09 45...

Page 85: ...file E PV 9661_PV 9662 SVC s0502020000 html 5 2 2 EJECT Position Confirmation TOP PREVIOUS NEXT Fig J1 2 file E PV 9661_PV 9662 SVC s0502020000 html 1 z 2 2006 01 28 11 09 47...

Page 86: ...file E PV 9661_PV 9662 SVC s0502020000 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502020000 html 2 z 2 2006 01 28 11 09 47...

Page 87: ...9661_PV 9662 SVC s0502030000 html 5 2 3 Cylinder Unit TOP PREVIOUS NEXT 5 2 3 1 Disassembly Procedure 5 2 3 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502030000 html 2006 01 28...

Page 88: ...out from the mechanism 2 Unsolder P3502 and P3503 Then remove the Head Amp C B A Note Use extreme care when removing or replacing the Cylinder Unit Do not touch the Video Heads during servicing CAUTIO...

Page 89: ...file E PV 9661_PV 9662 SVC s0502030100 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502030100 html 2 z 2 2006 01 28 11 09 49...

Page 90: ...shers A C Position the Cylinder Unit so that foil patterns of connectors P3502 and P3503 and Head Amp C B A are aligned and tighten 3 Screws A D Solder connectors P3502 and P3503 3 Adjustment of Groun...

Page 91: ...1_PV 9662 SVC s0502030200 html 4 After installing perform the TAPE INTERCHANGEABILITY ADJUSTMENT FINAL ADJUSTMENT procedures TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502030200 html 2 z 2 2006 01...

Page 92: ...61_PV 9662 SVC s0502040000 html 5 2 4 Upper Cylinder Unit TOP PREVIOUS NEXT 5 2 4 1 Disassembly Procedure 5 2 4 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502040000 html 2006 01...

Page 93: ...Remove 2 Screws with Washers B 2 Carefully lift the Upper Cylinder Unit from the shaft Fig J3 Note Use extreme care when removing or replacing the Upper Cylinder Unit Do not touch the Video Heads duri...

Page 94: ...the Video Heads during servicing 2 Alignment of Upper Cylinder Unit A When installing make sure that the hole on the Upper Cylinder is aligned with the indentation on the Lower Cylinder B After insta...

Page 95: ...5 Opener Piece Pinch Arm Unit Motor Block Ass y Audio Control Head Unit and Cleaner Arm Unit TOP PREVIOUS NEXT 5 2 5 1 Disassembly Procedure 5 2 5 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_P...

Page 96: ...leasing 2 Locking Tabs A 2 Pull up on the Pinch Arm Unit 3 Release 3 Locking Tabs B and remove Screw with Washer C Then remove the Motor Block Ass y and Audio Control Head Unit 4 Remove the Cleaner Ar...

Page 97: ...ontrol Head Unit before Motor Block Ass y B After installing perform the TAPE INTERCHANGEABILITY ADJUSTMENT FINAL ADJUSTMENT procedures 2 Installation of Pinch Arm Unit A Install the Pinch Arm Unit so...

Page 98: ...662 SVC s0502060000 html 5 2 6 Main Cam Gear and Drive Rack Arm TOP PREVIOUS NEXT 5 2 6 1 Disassembly Procedure 5 2 6 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502060000 html 2...

Page 99: ...3 Turn the Drive Rack Arm fully counterclockwise as shown 4 Pull up on the Drive Rack Arm Fig J5 1 Note When removing the Main Cam Push Nut press the Main Cam Gear to make space between the Main Cam...

Page 100: ...file E PV 9661_PV 9662 SVC s0502060100 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502060100 html 2 z 2 2006 01 28 11 09 59...

Page 101: ...Drive Rack Arm so that the hole A is aligned with the hole on chassis Through hole A as shown C Install the Main Cam Gear so that the 2 holes B marked E are aligned with the hole on chassis Through h...

Page 102: ...Push Nut with Needlenose Pliers etc so that it is flush with the chassis There may be some slight scratches on the Shaft of Main Cam Gear when removing the Main Cam Gear In case that the Main Cam Gear...

Page 103: ...V 9661_PV 9662 SVC s0502070000 html 5 2 7 Main Lever TOP PREVIOUS NEXT 5 2 7 1 Disassembly Procedure 5 2 7 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502070000 html 2006 01 28 1...

Page 104: ...s0502070100 html 5 2 7 1 Disassembly Procedure TOP PREVIOUS NEXT 1 Release 2 Locking Tabs C and Locking Tab D Then remove the Main Lever Fig J6 1 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s05020701...

Page 105: ...aft side C Turn the T Brake Unit to the T Reel Table side D Position the Main Lever so that the Loading Rack Unit Pin fits in the niche of Main Lever Confirm that pins and bosses are in the position a...

Page 106: ...2 SVC s0502080000 html 5 2 8 P5 Arm Unit and Main Lever Drive Arm TOP PREVIOUS NEXT 5 2 8 1 Disassembly Procedure 5 2 8 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502080000 html...

Page 107: ...sembly Procedure TOP PREVIOUS NEXT 1 Pull up on the P5 Arm Unit 2 Turn the Main Lever Drive Arm fully counterclockwise as shown 3 Pull up on the Main Lever Drive Arm Fig J7 1 TOP PREVIOUS NEXT file E...

Page 108: ...es TOP PREVIOUS NEXT 1 Alignment of Main Lever Drive Arm A Install the Main Lever Drive Arm so that the hole C is aligned with the hole on the chassis Through hole C as shown Fig J7 2 TOP PREVIOUS NEX...

Page 109: ...s0502090000 html 5 2 9 T Brake Unit Changing Lever A and T Reel Table TOP PREVIOUS NEXT 5 2 9 1 Disassembly Procedure 5 2 9 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502090000...

Page 110: ...IOUS NEXT 1 Remove the T Brake Unit while releasing Locking Tab E located under the chassis 2 Remove Cut Washer A Then pull up on the Changing Lever A and remove 3 Pull up on the T Reel Table Fig J8 1...

Page 111: ...5 2 9 2 Reassembly Notes TOP PREVIOUS NEXT 1 How to distinguish between S Reel Table and T Reel Table Fig J8 2 2 Cut Washer A is not reusable Install a new one TOP PREVIOUS NEXT file E PV 9661_PV 966...

Page 112: ...000 html 5 2 10 Full Erase Head Tension Arm Unit S Spring Arm and S Reel Table TOP PREVIOUS NEXT 5 2 10 1 Disassembly Procedure 5 2 10 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s...

Page 113: ...ckwise while releasing Locking Tab F as shown Then remove it 2 Unhook Spring A 3 Remove the Tension Arm Unit by pulling it up while releasing 2 Locking Tabs G 4 Remove the S Spring Arm while releasing...

Page 114: ...Adjustment of Tension Arm Unit A When installing Tension Arm Unit and S Spring Arm confirm a b c and d portion are in the proper position as shown Fig J9 2 2 After installing perform the TENSION POST...

Page 115: ...2 11 S Brake Arm Unit Main Lever Guide Loading Post Base S and Loading Post Base T Unit TOP PREVIOUS NEXT 5 2 11 1 Disassembly Procedure 5 2 11 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV...

Page 116: ...Remove the S Brake Arm Unit while releasing 2 Locking Tabs I 2 Remove the Main Lever Guide while releasing Locking Tab J 3 Slide the Loading Post Base S and T Units to the end of the guide slots to re...

Page 117: ...f Loading Post Base S Unit and Loading Post Base T Unit A After installing perform the P2 AND P3 POST HEIGHT ADJUSTMENT PRELIMINARY ADJUSTMENT procedures and TAPE INTERCHANGEABILITY ADJUSTMENT FINAL A...

Page 118: ...0000 html 5 2 12 Capstan Rotor Unit Capstan Holder Unit and SS Brake Arm Unit TOP PREVIOUS NEXT 5 2 12 1 Disassembly Procedure 5 2 12 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0...

Page 119: ...Stopper with a cutter to remove 3 Pull up on the Capstan Rotor Unit 4 Remove 3 Screws B Then remove the Capstan Holder Unit 5 Unhook Spring B 6 Turn the SS Brake Arm Unit so that the Tab A lines up w...

Page 120: ...file E PV 9661_PV 9662 SVC s0502120100 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502120100 html 2 z 2 2006 01 28 11 10 20...

Page 121: ...nd of the shaft down so that the Stopper is properly positioned You should be able to move the shaft up and down slightly when properly positioned Fig J11 2 Capstan Rotor Kit A Capstan Rotor Unit Caps...

Page 122: ...0000 html 5 2 13 Junction C B A Capstan Stator Unit Sub Rotor and PCB Holder TOP PREVIOUS NEXT 5 2 13 1 Disassembly Procedure 5 2 13 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s05...

Page 123: ...C B A Then remove the Junction C B A 3 Remove Screw D and 2 Screws with Washers D E Then remove Capstan Stator Unit Sub Rotor and PCB Holder CAUTION When removing Capstan Stator Unit avoid touching IC...

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Page 125: ...VIOUS NEXT 1 Application of Silicon Grease Fig J12 2 2 Capstan Stator Kit A Capstan Stator Unit Capstan Rotor Unit Capstan Holder Unit and Stopper are supplied as a Capstan Stator Kit only Kit No VEMS...

Page 126: ...not reusable Install all new parts Because even invisible scratches on the Capstan Rotor Unit shaft and the Capstan Holder Unit made when cutting the Stopper could cause tape path instability 3 Adjust...

Page 127: ...C s0502140000 html 5 2 14 T Loading Arm Unit and S Loading Arm Unit TOP PREVIOUS NEXT 5 2 14 1 Disassembly Procedure 5 2 14 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502140000...

Page 128: ...1 Disassembly Procedure TOP PREVIOUS NEXT 1 Remove the T Loading Arm Unit by pulling it up while releasing Locking Tab K 2 Pull up on the S Loading Arm Unit Fig J13 1 TOP PREVIOUS NEXT file E PV 9661...

Page 129: ...t and the holes on the chassis line up properly B Install the S Loading Arm Unit onto the Chassis C Install the T Loading Arm Unit so that the triangle shaped indent is aligned with the arrow on the S...

Page 130: ...5 Center Clutch Unit Changing Gear Spring Changing Gear Changing Lever B and Idler Arm Unit TOP PREVIOUS NEXT 5 2 15 1 Disassembly Procedure 5 2 15 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_...

Page 131: ...Remove Cut Washer B Then remove the Center Clutch Unit Changing Gear Spring and Changing Gear 2 Remove Changing Lever B so that the 2 Mounting Holes clear Mounting Pins 3 Pull up on the Idler Arm Uni...

Page 132: ...y Notes TOP PREVIOUS NEXT 1 Installation of Center Clutch Unit A Fit the Center Clutch Unit into the Changing Gear as shown Fig J14 2 Cut Washer B is not reusable Install a new one TOP PREVIOUS NEXT f...

Page 133: ...1_PV 9662 SVC s0502160000 html 5 2 16 Loading Rack Unit TOP PREVIOUS NEXT 5 2 16 1 Disassembly Procedure 5 2 16 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0502160000 html 2006 01...

Page 134: ...html 5 2 16 1 Disassembly Procedure TOP PREVIOUS NEXT 1 Slide the Loading Rack Unit as indicated by the arrow Then pull up on the Loading Rack Unit Fig J15 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SV...

Page 135: ...assembly Notes TOP PREVIOUS NEXT 1 Alignment of Loading Rack Unit A When installing Loading Rack Unit refer to Reassembly Notes of T Loading Arm Unit and S Loading Arm Unit TOP PREVIOUS NEXT file E PV...

Page 136: ...ARTMENT SECTION TOP PREVIOUS NEXT 5 3 1 Top Plate Wiper Arm Unit and Holder Unit 5 3 1 1 Disassembly Procedure 5 3 1 2 Reassembly Notes 5 3 2 Sensor Cover Opener Lever and Drive Rack Unit 5 3 2 1 Disa...

Page 137: ...SVC s0503010000 html 5 3 1 Top Plate Wiper Arm Unit and Holder Unit TOP PREVIOUS NEXT 5 3 1 1 Disassembly Procedure 5 3 1 2 Reassembly Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0503010000 ht...

Page 138: ...Remove Top Plate by releasing 2 Locking Tabs A on the left side and 2 Locking Tabs B on the right side of the Top Plate 2 Remove Wiper Arm Unit by releasing 2 Locking Tabs C Then remove the Holder Un...

Page 139: ...with the hole on the Drive Rack Unit Fig K1 2 2 Installation of Holder Unit A Turn the Wiper Arm Unit so that the grooves on each end are aligned with the each groove on Side Plate L and R B Insert Ho...

Page 140: ...E PV 9661_PV 9662 SVC s0503010200 html 3 As an ESD countermeasure make sure the spring is in contact with Top Cover TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0503010200 html 2 z 2 2006 01 28 11 1...

Page 141: ...1_PV 9662 SVC s0503020000 html 5 3 2 Sensor Cover Opener Lever and Drive Rack Unit TOP PREVIOUS NEXT 5 3 2 1 Disassembly Procedure TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0503020000 html 2006 01...

Page 142: ...ly Procedure TOP PREVIOUS NEXT 1 Remove the Sensor Cover by releasing Locking Tab D 2 Remove the Opener Lever by releasing 2 Locking Tabs E Then remove the Drive Rack Unit Fig K2 TOP PREVIOUS NEXT fil...

Page 143: ...P3 POST HEIGHT ADJUSTMENT PRELIMINARY ADJUSTMENT 6 2 2 5 TAPE INTERCHANGEABILITY ADJUSTMENT FINAL ADJUSTMENT 6 2 2 5 1 ENVELOPE OUTPUT ADJUSTMENT 6 2 2 5 2 AUDIO CONTROL HEAD TILT ADJUSTMENT 6 2 2 5...

Page 144: ...file E PV 9661_PV 9662 SVC s0600000000x html 6 4 TEST POINTS AND CONTROL LOCATION TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0600000000x html 2 z 2 2006 01 28 11 10 43...

Page 145: ...file E PV 9661_PV 9662 SVC s0601000000 html 6 1 SERVICE FIXTURES AND TOOLS TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0601000000 html 2006 01 28 11 10 44...

Page 146: ...ADJUSTMENT 6 2 2 4 P2 AND P3 POST HEIGHT ADJUSTMENT PRELIMINARY ADJUSTMENT 6 2 2 5 TAPE INTERCHANGEABILITY ADJUSTMENT FINAL ADJUSTMENT 6 2 2 5 1 ENVELOPE OUTPUT ADJUSTMENT 6 2 2 5 2 AUDIO CONTROL HEA...

Page 147: ...sing a Cleaning Cassette make sure to use DRY type only and be aware that excessive use can shorten head life Fig M1 Note A Do not rub vertically or apply excess pressure to the Video Heads Do not tur...

Page 148: ...T ADJUSTMENT PRELIMINARY ADJUSTMENT 6 2 2 5 TAPE INTERCHANGEABILITY ADJUSTMENT FINAL ADJUSTMENT 6 2 2 5 1 ENVELOPE OUTPUT ADJUSTMENT 6 2 2 5 2 AUDIO CONTROL HEAD TILT ADJUSTMENT 6 2 2 5 3 AUDIO CONTRO...

Page 149: ...he AC plug into an AC outlet 3 Place the unit in the Service Mode Refer to SERVICE MODE in the Service Notes section of this manual The power comes on and the unit goes into the PLAY Mode 4 Using a 2...

Page 150: ...file E PV 9661_PV 9662 SVC s0602020100 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0602020100 html 2 z 2 2006 01 28 11 10 48...

Page 151: ...edure Equipment Required Back Tension Meter Made in U S A Purchase Locally VHS Cassette Tape 120 Minute Tape Specification 25 2 5g 1 Play back a T120 cassette tape from the beginning for approx 10 to...

Page 152: ...contact with the tape but not touching any other parts of the mechanism 2 It is recommended that measurements be repeated at least three 3 times because the tension meter is very sensitive to externa...

Page 153: ...Specification 0 13 0 02mm 1 Remove the VCR Chassis Unit and then place it upside down 2 Remove the Main C B A 3 Slightly loosen Black Screw A Then set the Screwdriver 1 or 2 Phillips Driver into the...

Page 154: ...ecially metal particles Confirmation of Signal Level 1 Supply a Video Signal to the Video Input Jack 2 Insert a cassette tape and place the unit in SLP recording mode 3 Connect the oscilloscope to Pin...

Page 155: ...k picture will be poor Since the tape does not run smoothly the tape will eventually be damaged Tape interchangeability is poor Equipment Required Post Adjustment Plate VFKS0010 Reel Table Height Fixt...

Page 156: ...he Reel Table Height Fixture For proper adjustment the foot of that should be positioned as shown Fig M5 2 Fig M5 3 CAUTION 1 Overtightening P2 and P3 posts may cause the threads to strip 2 Upon compl...

Page 157: ...ual Trace Oscilloscope VHS Alignment Tape VFMS0003H6 Post Adjustment Driver VFK0329 H Position Adjustment Driver VFK0330 6 2 2 5 1 ENVELOPE OUTPUT ADJUSTMENT 6 2 2 5 2 AUDIO CONTROL HEAD TILT ADJUSTME...

Page 158: ...n C B A Use TP6205 as a trigger 2 Place a jumper between TP6003 on the Video Signal Process Section and 5V TP6009 on the System Control Section of the Main C B A to defeat Auto Tracking 3 Eject the ta...

Page 159: ...nvelope waveform remains flat If not readjust P2 and or P3 post heights 6 After adjustment confirm that the tape travels without curling at P2 and P3 posts 7 Remove the jumper after completing the adj...

Page 160: ...file E PV 9661_PV 9662 SVC s0602020501 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0602020501 html 3 z 3 2006 01 28 11 10 54...

Page 161: ...the tilt of the Audio Control Head is poorly adjusted the tape will eventually be damaged An intermittent Blue screen may be seen in Playback 1 Play back a T120 cassette tape and check that the tape...

Page 162: ...l is not properly picked up Servo Operation cannot be achieved A Blue screen will be seen in Playback This confirmation is required when the Audio Control Head is replaced 1 Play back a T120 cassette...

Page 163: ...file E PV 9661_PV 9662 SVC s0602020503 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0602020503 html 2 z 2 2006 01 28 11 10 56...

Page 164: ...Head is not properly adjusted the Audio S N Ratio is poor 1 Connect the oscilloscope to the audio output jack on the rear side of the deck 2 Play back the 6kHz Monaural Audio portion of the alignment...

Page 165: ...the Black Screw D and tighten it lightly Set the H Position Adjustment Driver into the Hole A Then slowly turn the fixture either clockwise or counterclockwise so that the envelope is at maximum 6 Be...

Page 166: ...w D should be in the approximate center of the hole 11 Remove the jumper between TP6003 and 5V TP6009 Fig M10 Note Old type of H Position Adjustment Driver VFK0136 can be used for this adjustment TOP...

Page 167: ...3000000 html 6 3 ELECTRICAL ADJUSTMENT TOP PREVIOUS NEXT 6 3 1 TEST EQUIPMENT 6 3 2 HOW TO READ THE ADJUSTMENT PROCEDURES 6 3 3 PG SHIFTER ADJUSTMENT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0603...

Page 168: ...ired 1 Dual Trace Oscilloscope Voltage Range 0 001 to 50V Div Frequency Range DC to 50MHz Probes 10 1 1 1 2 NTSC Video Pattern Generator 3 Color TV Receiver or Monitor 4 Plastic Tip Driver and Non Met...

Page 169: ...file E PV 9661_PV 9662 SVC s0603020000 html 6 3 2 HOW TO READ THE ADJUSTMENT PROCEDURES TOP PREVIOUS NEXT Fig E1 TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0603020000 html 2006 01 28 11 11 00...

Page 170: ...3001 Main C B A TP6205 Main C B A Adjustment R6201 Main C B A Specification T 6 1H 0 38 0 06msec Mode SP Playback Equipment Oscilloscope VHS Alignment Tape VFMS0003H6 1 Connect the channel 1 scope pro...

Page 171: ...he trailing edge of the head switching pulse is placed 6H 1H 0 38 0 06msec before the start of the vertical sync pulse 4 Disconnect TP6003 and GND to set the adjustment value of PG Shifter Fig E2 TOP...

Page 172: ...file E PV 9661_PV 9662 SVC s0604000000 html 6 4 TEST POINTS AND CONTROL LOCATION TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0604000000 html 1 z 2 2006 01 28 11 11 03...

Page 173: ...file E PV 9661_PV 9662 SVC s0604000000 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0604000000 html 2 z 2 2006 01 28 11 11 03...

Page 174: ...i Fi SCHEMATIC DIAGRAM 7 6 MAIN V OPERATION OPERATION II SCHEMATIC DIAGRAM A 7 7 MAIN V OPERATION OPERATION II SCHEMATIC DIAGRAM B 7 8 MAIN VI ADVANCE SCHEMATIC DIAGRAM B 7 9 OPERATION I SCHEMATIC DIA...

Page 175: ...file E PV 9661_PV 9662 SVC s0701000000 html 7 1 SCHEMATIC DIAGRAMS AND CIRCUIT BOARD LAYOUT NOTES TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0701000000 html 2006 01 28 11 11 14...

Page 176: ...file E PV 9661_PV 9662 SVC s0702000000 html 7 2 MAIN I SYSTEM CONTROL SERVO SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0702000000 html 2006 01 28 11 11 20...

Page 177: ...file E PV 9661_PV 9662 SVC s0703000000 html 7 3 MAIN II SIGNAL PROCESS AUDIO SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0703000000 html 2006 01 28 11 11 28...

Page 178: ...file E PV 9661_PV 9662 SVC s0704000000 html 7 4 MAIN III POWER SUPPLY SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0704000000 html 2006 01 28 11 11 33...

Page 179: ...file E PV 9661_PV 9662 SVC s0705000000 html 7 5 MAIN IV Hi Fi SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0705000000 html 2006 01 28 11 11 37...

Page 180: ...file E PV 9661_PV 9662 SVC s0706000000 html 7 6 MAIN V OPERATION OPERATION II SCHEMATIC DIAGRAM A TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0706000000 html 2006 01 28 11 11 45...

Page 181: ...file E PV 9661_PV 9662 SVC s0707000000 html 7 7 MAIN V OPERATION OPERATION II SCHEMATIC DIAGRAM B TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0707000000 html 2006 01 28 11 11 49...

Page 182: ...file E PV 9661_PV 9662 SVC s0708000000 html 7 8 MAIN VI ADVANCE SCHEMATIC DIAGRAM B TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0708000000 html 2006 01 28 11 11 53...

Page 183: ...file E PV 9661_PV 9662 SVC s0709000000 html 7 9 OPERATION I SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0709000000 html 2006 01 28 11 12 01...

Page 184: ...file E PV 9661_PV 9662 SVC s0710000000 html 7 10 Hi Fi AUDIO VIDEO HEAD AMP SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0710000000 html 2006 01 28 11 12 04...

Page 185: ...61_PV 9662 SVC s0711000000 html 7 11 CAPSTAN STATOR JUNCTION LOADING MOTOR AUDIO CONTROL HEAD SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0711000000 html 2006 01...

Page 186: ...file E PV 9661_PV 9662 SVC s0712000000 html 7 12 INTERCONNECTION SCHEMATIC DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0712000000 html 2006 01 28 11 12 11...

Page 187: ...file E PV 9661_PV 9662 SVC s0713000000 html 7 13 SIGNAL WAVEFORM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0713000000 html 2006 01 28 11 12 21...

Page 188: ...file E PV 9661_PV 9662 SVC s0714000000 html 7 14 VOLTAGE CHART TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0714000000 html 2006 01 28 11 12 23...

Page 189: ...2 MAIN POWER SUPPLY SIGNAL PROCESS AUDIO Hi Fi AUDIO SYSTEM CONTROL SERVO OPERATION C B A VEPS6055HA B 8 3 OPERATION I C B A VEPS8052A A VEPS8052B B 8 4 OPERATION II C B A VEPS8053A 8 5 Hi Fi AUDIO V...

Page 190: ...VC s0801000000 html 8 1 MAIN POWER SUPPLY SIGNAL PROCESS AUDIO Hi Fi AUDIO SYSTEM CONTROL SERVO OPERATION C B A VEPS6052HA A TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0801000000...

Page 191: ...VC s0802000000 html 8 2 MAIN POWER SUPPLY SIGNAL PROCESS AUDIO Hi Fi AUDIO SYSTEM CONTROL SERVO OPERATION C B A VEPS6055HA B TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0802000000...

Page 192: ...file E PV 9661_PV 9662 SVC s0803000000 html 8 3 OPERATION I C B A VEPS8052A A VEPS8052B B TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0803000000 html 2006 01 28 11 12 42...

Page 193: ...file E PV 9661_PV 9662 SVC s0804000000 html 8 4 OPERATION II C B A VEPS8053A TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0804000000 html 2006 01 28 11 12 45...

Page 194: ...file E PV 9661_PV 9662 SVC s0805000000 html 8 5 Hi Fi AUDIO VIDEO HEAD AMP C B A VEPS5019A TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0805000000 html 2006 01 28 11 12 53...

Page 195: ...661_PV 9662 SVC s0806000000 html 8 6 CAPSTAN STATOR JUNCTION C B A LOADING MOTOR P C B AUDIO CONTROL HEAD P C B TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0806000000 html 2006 01...

Page 196: ...IGNAL PATH BLOCK DIAGRAM 9 3 AUDIO SIGNAL PATH BLOCK DIAGRAM 9 4 Hi Fi AUDIO SIGNAL PATH BLOCK DIAGRAM 9 5 SYSTEM CONTROL BLOCK DIAGRAM 9 6 SERVO BLOCK DIAGRAM 9 7 OPERATION BLOCK DIAGRAM 9 8 ADVANCE...

Page 197: ...file E PV 9661_PV 9662 SVC s0901000000 html 9 1 POWER SUPPLY BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0901000000 html 2006 01 28 11 13 25...

Page 198: ...file E PV 9661_PV 9662 SVC s0902000000 html 9 2 VIDEO SIGNAL PATH BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0902000000 html 2006 01 28 11 13 33...

Page 199: ...file E PV 9661_PV 9662 SVC s0903000000 html 9 3 AUDIO SIGNAL PATH BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0903000000 html 2006 01 28 11 13 36...

Page 200: ...file E PV 9661_PV 9662 SVC s0904000000 html 9 4 Hi Fi AUDIO SIGNAL PATH BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0904000000 html 2006 01 28 11 13 39...

Page 201: ...file E PV 9661_PV 9662 SVC s0905000000 html 9 5 SYSTEM CONTROL BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0905000000 html 2006 01 28 11 13 42...

Page 202: ...file E PV 9661_PV 9662 SVC s0906000000 html 9 6 SERVO BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0906000000 html 2006 01 28 11 13 50...

Page 203: ...file E PV 9661_PV 9662 SVC s0907000000 html 9 7 OPERATION BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0907000000 html 2006 01 28 11 13 53...

Page 204: ...file E PV 9661_PV 9662 SVC s0908000000 html 9 8 ADVANCE BLOCK DIAGRAM TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0908000000 html 2006 01 28 11 13 56...

Page 205: ...file E PV 9661_PV 9662 SVC s0909000000 html 9 9 TROUBLESHOOTING HINTS TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s0909000000 html 2006 01 28 11 13 59...

Page 206: ...OUS NEXT 10 1 MECHANISM TOP SECTION 10 2 MECHANISM BOTTOM SECTION 10 3 CASSETTE UP COMPARTMENT SECTION 10 4 CHASSIS FRAME AND CASING PARTS SECTION 10 5 PACKING PARTS AND ACCESSORIES SECTION TOP PREVIO...

Page 207: ...file E PV 9661_PV 9662 SVC s1001000000 html 10 1 MECHANISM TOP SECTION TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1001000000 html 2006 01 28 11 14 09...

Page 208: ...file E PV 9661_PV 9662 SVC s1002000000 html 10 2 MECHANISM BOTTOM SECTION TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1002000000 html 2006 01 28 11 14 13...

Page 209: ...file E PV 9661_PV 9662 SVC s1003000000 html 10 3 CASSETTE UP COMPARTMENT SECTION TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1003000000 html 2006 01 28 11 14 17...

Page 210: ...file E PV 9661_PV 9662 SVC s1004000000 html 10 4 CHASSIS FRAME AND CASING PARTS SECTION TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1004000000 html 2006 01 28 11 14 27...

Page 211: ...file E PV 9661_PV 9662 SVC s1005000000 html 10 5 PACKING PARTS AND ACCESSORIES SECTION TOP PREVIOUS NEXT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1005000000 html 2006 01 28 11 14 30...

Page 212: ...Electrical Replacement Notes 11 2 MECHANICAL REPLACEMENT PARTS LIST 11 3 ELECTRICAL REPLACEMENT PARTS LIST 11 3 1 MAIN C B A A 11 3 2 MAIN C B A B 11 3 3 OPERATION I C B A 11 3 4 OPERATION II C B A 11...

Page 213: ...01000000 html 11 1 REPLACEMENT NOTES TOP PREVIOUS NEXT 11 1 1 General Notes 11 1 2 Mechanical Replacement Notes 11 1 3 Electrical Replacement Notes TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s110100...

Page 214: ...d circuits and many other semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the ELECTROSTATICALLY SENSITIVE ES DEVICES section...

Page 215: ...plied as a Main Cam Gear Kit only Main Cam Gear Kit consists of a Main Cam Gear and a Main Cam Push Nut However Main Cam Push Nut is available separately as a replacement part 5 Since the UHF VHF TUNE...

Page 216: ...resistors are in ohms 1 4W 5 carbon K 1 000 ohm M 1 000 kohm All capacitors are in microfarads P micromicrofarad 10 All coils are in microhenries M 1 000 microhenry 10 4 Abbreviation RTL Retention Ti...

Page 217: ...RANSISTOR AND CHIP PART INFORMATION page 6 The parts with are 0 ohm resistor When replacing a wire can be substituted for a 0 ohm resistor 7 IC6301 replacement note The manufacturing part number is TM...

Page 218: ...EAR KIT 1 9 VDRS0056 S REEL TABLE 1 10 VDRS0057 T REEL TABLE 1 11 VEGS0408 CYLINDER UNIT 1 12 VEHS0569 AUDIO CONTROL ERASE HEAD UNIT 1 13 VEHS0567 UPPER CYLINDER UNIT 1 14 VJSS0882 CONNECTOR 8P 1 15 V...

Page 219: ...IDE 2 47 VMLS0973 CHANGING LEVER B 2 49 VXLS1054 S LOADING ARM UNIT 2 50 VXLS1056 T LOADING ARM UNIT 2 51 VXPS0382K2 CAPSTAN ROTOR KIT 2 52 VEMS0316K2 CAPSTAN STATOR KIT 2 53 VBKS0040 FG HEAD 2 54 VDV...

Page 220: ...NG CASE PAPER VPGS4407 A 5 VPGS4408 B 5 122 FAN BAG VQFS3517 A 5 VQFS3518 B 5 123 INFRARED REMOTE CONTROL UNIT VSQS1596 A 5 VSQS1598 B 5 124 VJAS0212 VHF CONNECTING CABLE W PLUG 5 125 VPNS0589 FRONT C...

Page 221: ...SCREW STEEL 4 460 XTN4 12A TAPPING SCREW STEEL 4 461 VHDS0460 SCREW STEEL 4 462 XTN4 15AR TAPPING SCREW STEEL 4 SERVICE FIXTURES AND TOOLS Ref No Part No Part Name Description Remarks VFMS0003H6 VHS...

Page 222: ...file E PV 9661_PV 9662 SVC s1102000000 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1102000000 html 5 z 5 2006 01 28 11 14 41...

Page 223: ...B A RTL A E4 VEPS8052B OPERATION I C B A RTL B E5 VEPS8053A OPERATION II C B A RTL E6 VEPS5019A Hi Fi AUDIO VIDEO HEAD AMP C B A RTL E7 VEPS0A25A JUNCTION C B A RTL 11 3 1 MAIN C B A A 11 3 2 MAIN C...

Page 224: ...R E S D IC6002 CNA1801N REEL SENSOR UNIT OR SG 254 REEL SENSOR UNIT OR SG 254A REEL SENSOR UNIT IC6003 CNA1801N REEL SENSOR UNIT OR SG 254 REEL SENSOR UNIT OR SG 254A REEL SENSOR UNIT IC6301 T47C216FF...

Page 225: ...R UN5215 CHIP Q4007 DTC114TU CHIP OR UN5215 CHIP Q4101 2SC2412K1 CHIP OR 2SD601 R S CHIP Q6001 2SC4081T106R CHIP OR 2SD1819A R S CHIP Q6002 2SB709A R S CHIP Q6003 2SC4081T106R CHIP OR 2SD1819A R S CHI...

Page 226: ...TAKT ZENER 5 1V D1012 MA858 OR 1SS135T 77 D1013 MA165 OR WG713A OR 1SS119 OR 1SS133T D1015 MA7180 ZENER 18V OR MA7180A TR ZENER 18V OR MA7180B TR ZENER 18V D1016 MA165 OR WG713A OR 1SS119 OR 1SS133T...

Page 227: ...NER 9 1V OR RD9 1ESAB2 ZENER 9 1V D6001 VEKS5521 SENSOR LED UNIT D6003 MA165 OR WG713A OR 1SS119 OR 1SS133T D6324 MA4056 M ZENER 5 6V D6325 MA165 OR WG713A OR 1SS119 OR 1SS133T D6326 MA165 OR WG713A O...

Page 228: ...30 R1058 ERDS2TJ104 100K R1068 ERDS2T0 0 R3002 ERJ6GEYJ331V MGF CHIP 1 10W 330 R3003 ERJ6GEYJ101V MGF CHIP 1 10W 100 R3004 ERJ6GEYJ750V MGF CHIP 1 10W 75 R3005 ERDS2TJ101 100 R3021 ERJ6GEYJ332V MGF CH...

Page 229: ...028 ERJ6GEYJ472V MGF CHIP 1 10W 4 7K R4101 ERJ6GEYJ224V MGF CHIP 1 10W 220K R4102 ERJ6GEYJ333V MGF CHIP 1 10W 33K R4103 ERJ6GEYJ153V MGF CHIP 1 10W 15K R4201 ERJ6GEYJ473V MGF CHIP 1 10W 47K R4202 ERJ6...

Page 230: ...10W 220 R6021 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6022 ERJ6GEYJ333V MGF CHIP 1 10W 33K R6024 ERJ6GEYJ562V MGF CHIP 1 10W 5 6K R6025 ERJ6GEYJ332V MGF CHIP 1 10W 3 3K R6026 ERJ6GEYJ102V MGF CHIP 1 10W 1K...

Page 231: ...R6064 ERJ6GEYJ153V MGF CHIP 1 10W 15K R6066 ERJ6GEYJ473V MGF CHIP 1 10W 47K R6068 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6069 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6070 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6071 ERJ...

Page 232: ...MGF CHIP 1 10W 1 5K R6230 ERJ6GEYJ222V MGF CHIP 1 10W 2 2K R6231 ERJ6GEYJ225V MGF CHIP 1 10W 2 2M R6316 ERJ6GEYJ101V MGF CHIP 1 10W 100 R6346 ERDS2TJ470 47 R6350 ERDS2TJ470 47 R6351 ERDS2TJ330 33 R635...

Page 233: ...1HHG4R7B ELECTROLYTIC 50V 4 7 C1012 ECEA1PEE331 ELECTROLYTIC 18V 330 C1013 ECA1EM331B ELECTROLYTIC 25V 330 C1014 ECEA1HGE470 ELECTROLYTIC 50V 47 C1016 ECEA1PEE331 ELECTROLYTIC 18V 330 C1017 ECA0JM102B...

Page 234: ...4ZFN C CHIP 80 20 25V 0 1 C3027 ECUV1C224ZFN C CHIP 80 20 16V 0 22 C3028 ECEA1CKA100 ELECTROLYTIC 16V 10 C3029 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3030 ECEA0JKA101 ELECTROLYTIC 6 3V 100 C3031 ECEA1HKA2...

Page 235: ...V 1 C3303 ECUV1H121JCN C CHIP 5 50V 120P C3306 ECEA1HKAR47 ELECTROLYTIC 50V 0 47 C3308 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3312 ECUV1H100CCN C CHIP 0 25P 50V 10P C4001 ECUV1C224ZFN C CHIP 80 20 16V 0 2...

Page 236: ...04ZFN C CHIP 80 20 25V 0 1 C4216 ECEA1CKA100 ELECTROLYTIC 16V 10 C4217 ECEA0JKA220 ELECTROLYTIC 6 3V 22 C4218 ECEA1CKA100 ELECTROLYTIC 16V 10 C4219 ECEA1HKA010 ELECTROLYTIC 50V 1 C4227 ECUV1C224ZFN C...

Page 237: ...IP 80 20 25V 0 1 C6208 ECEA1HKA010 ELECTROLYTIC 50V 1 C6213 ECUV1H101JCN C CHIP 5 50V 100P C6214 ECUV1H102KBN C CHIP 50V 1000P C6216 ECUV1H103KBN C CHIP 50V 0 01 C6217 ECUV1E104ZFN C CHIP 80 20 25V 0...

Page 238: ...6 ELESN330KA 33 L3018 ELESN470KA 47 L3101 ELESN101KA 100 L4001 ELELN153KA 15M L4101 ELESN471KA 470 L4202 ELESN101KA 100 L4451 ELESN101KA 100 L6301 ELESN101KA 100 L7001 VLQSAB7D220K 22 L7003 VLQSH02R10...

Page 239: ...VSFS0032B16 FUSE 125V 1 6A OR XBA1C16NU100 FUSE 125V 1 6A PR1001 ICP N38 TP1 IC PROTECTOR 1 5A OR UNH000600A IC PROTECTOR 1 5A PR1002 ICP N38 TP1 IC PROTECTOR 1 5A OR UNH000600A IC PROTECTOR 1 5A TRAN...

Page 240: ...file E PV 9661_PV 9662 SVC s1103010000 html TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1103010000 html 17 z 17 2006 01 28 11 14 47...

Page 241: ...1D02HPK IC 8BIT MICROCONTROLLER E S D IC6002 CNA1801N REEL SENSOR UNIT OR SG 254 REEL SENSOR UNIT OR SG 254A REEL SENSOR UNIT IC6003 CNA1801N REEL SENSOR UNIT OR SG 254 REEL SENSOR UNIT OR SG 254A REE...

Page 242: ...Q4005 DTC114TU CHIP OR UN5215 CHIP Q4006 DTC114TU CHIP OR UN5215 CHIP Q4007 DTC114TU CHIP OR UN5215 CHIP Q4101 2SC2412K1 CHIP OR 2SD601 R S CHIP Q6001 2SC4081T106R CHIP OR 2SD1819A R S CHIP Q6002 2SB7...

Page 243: ...1 D1009 AK03V0 OR 1GWJ43TPA3 D1011 MA4051N TAKT ZENER 5 1V D1012 MA858 OR 1SS135T 77 D1013 MA165 OR WG713A OR 1SS119 OR 1SS133T D1015 MA7180 ZENER 18V OR MA7180A TR ZENER 18V OR MA7180B TR ZENER 18V D...

Page 244: ...RD9 1ESAB2 ZENER 9 1V D4208 MA4091 ZENER 9 1V OR RD9 1ESAB2 ZENER 9 1V D6001 VEKS5521 SENSOR LED UNIT D6003 MA165 OR WG713A OR 1SS119 OR 1SS133T D6324 MA4056 M ZENER 5 6V D6325 MA165 OR WG713A OR 1SS1...

Page 245: ...R1052 ERDS2TJ153 15K R1053 ERDS2TJ153 15K R1057 ERDS2TJ331 330 R1058 ERDS2TJ104 100K R1068 ERDS2T0 0 R3002 ERJ6GEYJ331V MGF CHIP 1 10W 330 R3003 ERJ6GEYJ101V MGF CHIP 1 10W 100 R3004 ERJ6GEYJ750V MGF...

Page 246: ...03V MGF CHIP 1 10W 10K R4011 ERJ6GEYJ682V MGF CHIP 1 10W 6 8K R4012 ERJ6GEYJ682V MGF CHIP 1 10W 6 8K R4014 ERJ6GEYJ472V MGF CHIP 1 10W 4 7K R4015 ERJ6GEYJ222V MGF CHIP 1 10W 2 2K R4016 ERJ6GEY0R00V MG...

Page 247: ...YJ102V MGF CHIP 1 10W 1K R6012 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6013 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6014 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6015 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6016 ERJ6GEYJ243V MGF CHI...

Page 248: ...V MGF CHIP 1 10W 10K R6055 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6056 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6057 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6058 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6059 ERJ6GEYJ102V MGF CHIP 1...

Page 249: ...1 10W 10K R6115 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6116 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6201 EVNGBAA01B24 VARIABLE 20K R6202 ERJ6GEYJ274V MGF CHIP 1 10W 270K R6203 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6204 E...

Page 250: ...D103MY CERAMIC 20 125V 0 01 C1002 ECKNNB332ME8 CERAMIC 20 125V 3300P OR ECKNTS332ME8 CERAMIC 20 125V 3300P OR VCKSTQG332MX CERAMIC 20 125V 3300P OR VCKSUQD332MX CERAMIC 20 125V 3300P C1003 ECKNNB332ME...

Page 251: ...C1032 ECEA0JKA221 ELECTROLYTIC 6 3V 220 C1051 ECEA1HKAR47 ELECTROLYTIC 50V 0 47 C1052 ECEA1CKA100 ELECTROLYTIC 16V 10 C1058 ECEA0JEE101 ELECTROLYTIC 6 3V 100 C1059 ECEA1CKA470 ELECTROLYTIC 16V 47 C30...

Page 252: ...04ZFN C CHIP 80 20 25V 0 1 C3051 ECEA0JKA101 ELECTROLYTIC 6 3V 100 C3052 ECUV1H103ZFN C CHIP 80 20 50V 0 01 C3053 ECEA1HKAR47 ELECTROLYTIC 50V 0 47 C3054 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2 C3055 ECUV1H3...

Page 253: ...UV1H390JCN C CHIP 5 50V 39P C3822 ECEA1HKA010 ELECTROLYTIC 50V 1 C3825 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2 C3826 ECUV1C474ZFN C CHIP 80 20 16V 0 47 C3828 ECUV1H101JCN C CHIP 5 50V 100P C4001 ECUV1C224ZFN...

Page 254: ...101 ELECTROLYTIC 16V 100 C4215 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C4216 ECEA1CKA100 ELECTROLYTIC 16V 10 C4217 ECEA0JKA220 ELECTROLYTIC 6 3V 22 C4218 ECEA1CKA100 ELECTROLYTIC 16V 10 C4219 ECEA1HKA010 EL...

Page 255: ...C CHIP 50V 0 01 C6207 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C6208 ECEA1HKA010 ELECTROLYTIC 50V 1 C6213 ECUV1H101JCN C CHIP 5 50V 100P C6214 ECUV1H102KBN C CHIP 50V 1000P C6216 ECUV1H103KBN C CHIP 50V 0 01...

Page 256: ...0 L1006 VLPS0083 L3014 VLQSH02R390K 39 L3016 ELESN330KA 33 L3018 ELESN470KA 47 L3101 ELESN101KA 100 L3801 ELESN101KA 100 L3802 ELESN470KA 47 L4001 ELELN153KA 15M L4101 ELESN471KA 470 L4202 ELESN101KA...

Page 257: ...ef No Part No Part Name Description Remarks F1001 VSFS0003A16 FUSE 125V 1 6A OR VSFS0032B16 FUSE 125V 1 6A OR XBA1C16NU100 FUSE 125V 1 6A PR1001 ICP N38 TP1 IC PROTECTOR 1 5A OR UNH000600A IC PROTECTO...

Page 258: ...e E PV 9661_PV 9662 SVC s1103020000 html E23 EYF52BC FUSE HOLDER E25 VEKS5628 DISPLAY TUBE INFRARED RECEIVER UNIT TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1103020000 html 18 z 18 2006 01 28 11 14...

Page 259: ...803 ERDS2T0 0 PIN HEADERS Ref No Part No Part Name Description Remarks P6302 VJSS0761 CONNECTOR 19P SWITCHES Ref No Part No Part Name Description Remarks SW6301 EVQ21405R PUSH SWITCH SW6303 EVQ21405R...

Page 260: ...file E PV 9661_PV 9662 SVC s1103030000 html E31 VJRS0091 CONNECTION PIECE TOP PREVIOUS NEXT file E PV 9661_PV 9662 SVC s1103030000 html 2 z 2 2006 01 28 11 14 55...

Page 261: ...ption Remarks P6350 VJPS0765 CONNECTOR PLUG 7P MKA SWITCHES Ref No Part No Part Name Description Remarks SW6309 EVQ21405R PUSH SWITCH SW6311 EVQ21405R PUSH SWITCH SW6313 EVQ21405R PUSH SWITCH SW6314 E...

Page 262: ...1 2 R2606 ERJ6GEYJ561V MGF CHIP 1 10W 560 R3501 ERJ6GEYJ473V MGF CHIP 1 10W 47K R3502 ERJ6GEYJ560V MGF CHIP 1 10W 56 R3503 ERJ6GEYJ560V MGF CHIP 1 10W 56 R3504 ERJ6GEYJ560V MGF CHIP 1 10W 56 R3505 ER...

Page 263: ...C3512 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3513 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3519 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3520 ECUV1E104ZFN C CHIP 80 20 25V 0 1 C3523 ECUV1E104ZFN C CHIP 80 20 25V 0 1...

Page 264: ...art No Part Name Description Remarks L3501 ELESN101KA 100 L4401 ELESN101KA 100 PIN HEADERS Ref No Part No Part Name Description Remarks P3501 VJSS0886 CONNECTOR 20P TOP PREVIOUS NEXT file E PV 9661_PV...

Page 265: ...S2TJ270 27 CAPACITORS Ref No Part No Part Name Description Remarks C2531 ECEA1CKA220 ELECTROLYTIC 16V 22 C2532 ECEA1CKA220 ELECTROLYTIC 16V 22 C2533 ECEA1CKA220 ELECTROLYTIC 16V 22 PIN HEADERS Ref No...

Page 266: ...TS LOCATED ON CHASSIS TOP PREVIOUS NEXT Ref No Part No Part Name Description Remarks IC2501 AN3845SC IC LINEAR CAP LOADING DRIVE E22 VJAS0203 AC CORD W PLUG OR VJAS0205 AC CORD W PLUG TOP PREVIOUS NEX...

Page 267: ...A RTL E4 VEPS8052B OPERATION I C B A RTL E5 VEPS8053A OPERATION II C B A RTL E6 VEPS5019A Hi Fi AUDIO VIDEO HEAD AMP C B A RTL E7 VEPS0A25A JUNCTION C B A RTL E21 VEQS0611 TUNER UHF VHF NR E22 VJAS02...

Page 268: ...Lift up on the rear portion of the Top Cover and remove Fig D2 5 1 2 2 Reassembly Notes Install the Top Cover front portion at a downward angle so that the tab on the Front Panel Ass y fits into the...

Page 269: ...rk carefully so as not to break the Tabs Fig D4 1 5 1 4 2 Reassembly Notes CAUTION Opener Lever may be damaged when Front Panel Ass y is installed with Cassette Door Lid of Front Panel Ass y and Opene...

Page 270: ...er TV Demodulator Unit because you may crack the Main C B A 2 Work carefully so as not to break tabs 5 1 6 2 Reassembly Notes 1 When installing 2 Screws D slide the Holder Unit refer to METHOD FOR LOA...

Page 271: ...se Locking Tab J Then lift it up and remove Fig D8 5 1 8 2 Reassembly Notes Installation of Cassette Up Ass y 1 Confirm that the 3 pins and Locking Tab J under the Cassette Up Ass y are in each of the...

Page 272: ...5 2 MECHANISM SECTION 5 2 1 Disassembly Method Fig J1 1 23 PV 9661 PV 9662...

Page 273: ...5 2 2 EJECT Position Confirmation Fig J1 2 24 PV 9661 PV 9662...

Page 274: ...se and loosely secure it with 3 Screws A b Install the Head Amp C B A so that the hole on the Head Amp C B A lines up with the hole on the chassis and secure it with 2 Screws with Washers A c Position...

Page 275: ...1 Disassembly Procedure 1 Remove the Opener Piece by pulling it upward while releasing 2 Locking Tabs A 2 Pull up on the Pinch Arm Unit 3 Release 3 Locking Tabs B and remove Screw with Washer C Then...

Page 276: ...s in each mode Through hole as shown Fig J5 4 3 Main Cam Gear Kit a Main Cam Gear is supplied as a Main Cam Gear Kit only Kit No VVGS0008 Main Cam Gear Kit consists of a Main Cam Gear and a Main Cam P...

Page 277: ...rough hole as shown Then install the Main Lever e Push down the Locking Tabs C to set in the groove of Main Lever Guide Fig J6 2 5 2 8 P5 Arm Unit and Main Lever Drive Arm 5 2 8 1 Disassembly Procedur...

Page 278: ...while releasing Locking Tab H 5 Pull up on the S Reel Table Fig J9 1 5 2 10 2 Reassembly Notes 1 Confirmation Adjustment of Tension Arm Unit a When installing Tension Arm Unit and S Spring Arm confir...

Page 279: ...Arm Unit Fig J11 1 5 2 12 2 Reassembly Notes 1 Installation of Capstan Rotor Unit a Insert the Capstan Rotor Unit Shaft into the hole of the Capstan Holder Unit b Place a support under the Capstan Ro...

Page 280: ...Reassembly Notes 1 Application of Silicon Grease Fig J12 2 2 Capstan Stator Kit a Capstan Stator Unit Capstan Rotor Unit Capstan Holder Unit and Stopper are supplied as a Capstan Stator Kit only Kit N...

Page 281: ...indent is aligned with the arrow on the S Loading Arm Unit as shown Confirm that each hole on the T Loading Arm Unit Chassis and Loading Rack Unit are through holes Fig J13 2 5 2 15 Center Clutch Unit...

Page 282: ...SECTION 5 3 1 Top Plate Wiper Arm Unit and Holder Unit 5 3 1 1 Disassembly Procedure 1 Remove Top Plate by releasing 2 Locking Tabs A on the left side and 2 Locking Tabs B on the right side of the Top...

Page 283: ...osition confirm that the protrudence on the Wiper Arm Unit is aligned with the indentation on the Drive Rack Unit Fig K1 3 3 As an ESD countermeasure make sure the spring is in contact with Top Cover...

Page 284: ...6 ADJUSTMENT PROCEDURES 6 1 SERVICE FIXTURES AND TOOLS 35 PV 9661 PV 9662...

Page 285: ...of Misadjustment 1 If the adjusted value is below the specification the tape tension is not sufficient thus causing a tape slack 2 If the adjusted value is above the specification the tape tension is...

Page 286: ...Reel Table If cleaning does not correct the tension measurement replace the Tension Spring and the Tension Arm Unit Fig M3 1 Note 1 Be sure that the three probes of the meter are all in solid contact...

Page 287: ...UTION 1 Overtightening P2 and P3 posts may cause the threads to strip 2 Upon completion of this procedure perform the ENVELOPE OUTPUT ADJUSTMENT procedures 6 2 2 5 TAPE INTERCHANGEABILITY ADJUSTMENT F...

Page 288: ...n may be seen in Playback 1 Play back a T120 cassette tape and check that the tape travels smoothly between the upper and lower guides of the P4 post 2 If necessary adjust Black Screw B clockwise unti...

Page 289: ...acking 3 Eject the tape and insert it again to access the Neutral Tracking position 4 Play back the alignment tape and confirm that the RF envelope appears 5 If adjustment is required loosen the Black...

Page 290: ...layback Symptom of Misadjustment May cause Head Switching Noise and or Vertical Jitter Test Point TP3001 Main C B A TP6205 Main C B A Adjustment R6201 Main C B A Specification T 6 1H 0 38 0 06msec Mod...

Page 291: ...6 4 TEST POINTS AND CONTROL LOCATION 42 PV 9661 PV 9662...

Page 292: ...Use the interconnection schematic diagram to find the connection between associated connectors Example The connections between C B A s are shown below JUNCTION C B A MAIN C B A P2531 P6201 14 Pins Con...

Page 293: ...7 88 89 90 91 92 93 94 95 96 97 98 99 100 1 4W 1 4W 1 4W 3 4 30 31 72 71 70 69 67 66 54 53 52 45 44 KEY DATA 8 6 20 21 22 VIDEO PG SHIFTER 1 4W 26 27 28 23 5 DIODES IS MA165 NPN TRANSISTORS IS 2SD601A...

Page 294: ...YLINDER SERVO CCD 1H DELAY WF13 GND 56 76 20 TP3010 MAIN EMPH P4001 2SA1576A106R 5 REC AGC PB AUDIO FSS OUT 50 34 7 40 CLOCK AMP 15M 35 36 80 3 1 WF4 TP3008 L 8 44 30 PB 1 I2C SERIAL CLOCK AGC DET WF1...

Page 295: ...P LP SLP 63 62 61 REC AMP AGC DET PB REC SLP ON SP LP ON REC ON LP SLP ON LINE AMP fH TRAP GND 70 69 68 67 66 65 64 VCC 75 74 73 72 71 TUNER 1 2 VCC LINE MUTE PB APC 4 PHASE SELECT GND 79 78 77 76 VCO...

Page 296: ...POWER ON 5V WF27 87 NOTE THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING TP1001 AS A COMMON TERMINAL SW 12V Z HOT CIRCUIT BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING SW 5V VIDEO...

Page 297: ...A D B A 1 4 I E 5 3 H 6 G F 1 2 3 4 5 6 7 8 AUDIO R CH GND AUDIO L CH SW 12V AUDIO R CH GND AUDIO L CH SPATIALIZER CTL PIN TO SPATIALIZER C B A P4501 Hi Fi D REC H 4 108 Hi Fi D REC H 89 REC AUDIO Hi...

Page 298: ...54 55 56 57 58 59 60 61 62 63 64 dBX NOISE REDUCTION RF AGC DETECTOR RF AGC 12V L CH GND L R SAP SWITCH SAP DEMODULATOR VCA DEMODULATOR MUTE CTL PILOT DETECTOR STEREO FILTER ST PLL NOISE REDUCTION CO...

Page 299: ...AIN II TO MAIN IV TO MAIN I G 2 B A 9 5 I E K 8 6 J M D 1 L 7 C 4 3 A H F A VJBS6052 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z UNLESS OTHERWISE SPECIFIED WATTAGE OF RESISTORS IS...

Page 300: ...DATA 12 SCAN 1 GND C B A P6302 P6320 TO OPERATION Z Z Z TO MAIN I TO MAIN I TO MAIN II TO MAIN IV TO MAIN I G 2 B 9 5 I E K 8 6 J M D 1 L 7 C 4 3 H F A VJBS6055 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z...

Page 301: ...D WATTAGE OF RESISTORS IS 1 10W AMP MA 3 ENVELOPE DETECTOR CLAMP CA C VIDEO DETECT H MASK DELAY 4 REC VIDEO SIGNAL V MASK WIDTH CONTROL H MASK WIDTH CONTROL Z D PB VIDEO SIGNAL MIX A LPF V MASK DELAY...

Page 302: ...KEY DATA 11 VIDEO 2 TO MAIN C B A P6320 13 CATV DATA AUDIO 2 L CH 1 12 5 2 UNSW 5V SYS CTL P6302 14 19 7 16 CATV CS L 8 4 GND 18 3 UNSW 14V 6 AUDIO 2 R CH SCAN 1 17 15 GND GND GND 6 7 4 5 3 1 2 MN1380...

Page 303: ...16 C3509 LP SLP PRE AMP C SP TP4402 1 TP3501 LOGIC H LP SLP PB ON D PB ON AMP AGC DET L 2 CYLINDER MOTOR DRIVE R I REC ON SP VJBS5019 A REC ON WF49 ENVE DET E 1 4W 3 1 4W GND J GND TP4405 B GND REC VI...

Page 304: ...AUDIO HEAD LD M 5 4 2 6 5 6 4 3 1 3 AUDIO ERASE HEAD 2 1 AUDIO HEAD CTL HEAD GND AUDIO HEAD CTL HEAD AUDIO ERASE HEAD 3 CAP ERROR 5 CAP DIRECTION CTL 6 11 GND UNSW 5V P2531 8 13 10 LD M REV H V REF 2...

Page 305: ...MP C B A PIN P3502 PIN P3503 JUNCTION C B A OPERATION II C B A P2532 P2502 21 Pins P3001 P3501 MAIN C B A P6201 P2531 P6322 P6350 VIDEO OUT VIDEO IN 1 VIDEO IN 2 AUDIO OUT L CH AUDIO IN 1 L CH AUDIO I...

Page 306: ...V SLOW STILL WF14 0 440Vp p V1 PIN 34 OF IC3001 0 2V 5ms 2 PB WF15 0 300Vp p V1 PIN 41 OF IC3001 0 2V 5ms 2 REC WF16 0 480Vp p V1 PIN 41 OF IC3001 0 2V 5ms 2 PB SP WF16 2 00Vp p V1 TP3001 1V 20 s1 REC...

Page 307: ...REC PB WF26 277 00Vp p V1 Q1001 COLLECTOR 50V 2 s1 POWER OFF WF27 277 00Vp p V1 Q1001 COLLECTOR 50V 2 s1 POWER ON WF27 8 00Vp p V1 PIN 5 OF T1001 5V 2 s1 POWER ON WF28 125 0mVp p V1 PIN 9 OF IC4201 0...

Page 308: ...1 5 1 52 2 5 2 5 53 2 6 2 6 54 0 0 55 0 0 56 57 4 8 0 58 5 2 0 59 0 0 60 0 0 61 62 0 0 63 0 4 0 64 0 0 65 1 0 1 0 66 0 0 67 2 5 2 5 68 2 5 2 5 21 22 23 24 0 0 25 26 27 28 29 30 31 11 6 11 6 32 8 4 8 4...

Page 309: ...5 4 1 2 1 2 5 1 2 1 2 6 1 2 1 2 7 0 1 2 7 8 0 0 9 2 6 2 6 10 1 5 1 5 11 2 6 2 6 12 0 5 0 5 13 3 9 3 9 14 3 9 3 9 15 0 0 16 0 0 17 18 13 5 13 5 19 2 8 2 8 20 0 0 7 21 2 8 2 8 22 0 0 7 23 0 2 1 4 24 0...

Page 310: ...1 52 2 5 2 5 2 5 53 2 6 2 6 2 6 54 5 2 5 2 5 2 55 5 2 5 2 5 2 56 57 58 4 9 4 9 4 9 59 5 0 5 0 5 0 60 1 9 1 9 1 9 61 0 0 0 62 0 4 0 4 0 4 63 5 0 5 0 5 0 64 0 0 0 65 1 0 1 0 1 0 66 0 0 0 67 2 5 2 5 2 5...

Page 311: ...PV 9661 PV 9662 62...

Page 312: ...4224 R4154 TP3401 TP6007 D6326 J6352 J6351 TP4011 C6011 TP6002 Q6002 R6006 Q6003 Q1070 Q1071 C6024 C6027 J6331 J6330 L7003 R6095 C6029 8 5 1 4 IC3001 C3036 R3151 TP6008 C6016 TP6207 J6010 D6003 R6038...

Page 313: ...C3027 F 4 C3805 C 1 C4453 G 2 C6216 F 7 R1020 C 10 R3301 E 6 R4208 G 2 R6034 E 8 R6093 E 6 C3035 G 5 C3806 C 1 C4454 G 2 C6217 F 7 R1022 C 10 R3302 F 7 R4209 E 2 R6035 E 8 R6094 G 8 C3036 G 4 C3807 C...

Page 314: ...4 J6012 R1073 R1072 R1071 R1074 R1075 1 4 2 3 IC6002 IC6005 TAKEUP REEL SENSOR C4012 8 7 2 1 J6317 J6321 J6325 J6038 J6001 D1056 J3301 J3303 X3010 C3051 C4007 C4009 C4013 C4015 L4002 C4018 C4014 C3056...

Page 315: ...3 C3307 F 6 C4235 C 2 C6213 F 7 R1022 C 10 R3304 E 6 R4213 G 1 R6043 F 8 R6109 H 9 C3019 G 3 C3308 E 6 C4236 E 1 C6214 F 6 R1023 B 10 R3305 F 6 R4214 H 3 R6044 F 8 R6110 H 9 C3020 G 4 C3312 H 4 C4451...

Page 316: ...LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION NOTE CIRCUIT BOARD LAYOUT SHOWS COMPONENTS INSTALLED FOR VARIOUS MODELS FOR PROPER PARTS CONTENT FOR THE MODEL YOU ARE SERVICING PLEASE REFER TO T...

Page 317: ...A OPERATION SECTION 2 3 1 B A P6350 2 6 1 7 SW6313 STOP EJECT SW6311 REW SW6309 REC SW6316 PLAY SW6314 FF VJBS8053 NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEM...

Page 318: ...OTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION LEADLESS COMPONENT PARTS LOCATION GUIDE Hi Fi AUDIO VIDEO HEAD AMP C B A R2601 B 3 R4409 C 2 C3503 B 3...

Page 319: ...CAPSTAN STATOR UNIT OF DISASSEMBLY ASSEMBLY PROCEDURES OF MACHANISM SECTION CAPSTAN STATOR UNIT JUNCTION C B A VEPS0A25A CAPSTAN COIL CAPSTAN COIL CAPSTAN COIL A B C 1 2 3 2 4 1 3 2 4 1 3 2 4 1 Q2503...

Page 320: ...T RECTIFIER SMOOTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT PR1001 OUTPUT VOLTAGE DETECTOR TO IC6001 1 POWER DOWN L D1015 OVERVOLTAGE PROTECTOR D1008 D1007 D1006 D1005 C1011...

Page 321: ...D SW PULSE P3001 11 P3501 11 P3501 11 HEAD AMP C B A FOR 4HEAD MODEL VIDEO LP SLP L HEAD VIDEO LP SLP R HEAD VIDEO SP L HEAD VIDEO SP R HEAD IC3501 HEAD AMP L R L R SP LP SLP SP LP SLP REC PB FROM IC6...

Page 322: ...1 61 NORMAL AUDIO WITH Hi Fi AUDIO WITHOUT Hi Fi AUDIO J4001 J4003 R4013 TO IC3801 3 AUDIO WITH ADVANCE Q4006 Q4004 LINE1 LINE2 IC4151 FROM IC6001 19 INPUT SELECT 2 WITH FRONT A V JACK WITHOUT Hi Fi A...

Page 323: ...VE Q4004 AUDIO MUTE H J4202 J4201 AUDIO IN1 R CH AUDIO IN1 L CH AUDIO OUT L CH AUDIO OUT R CH MTS SAP SIGNAL PROCESS SIF OUT AUDIO AUDIO R7007 4 5MHz BPF FL4901 UHF VHFTUNER TV DEMODULATOR UNIT RF MAI...

Page 324: ...TR OSC 1 OSC 2 SAFETY TAB BROKEN H VIDEO DELAY REC H SW 12V TO IC3501 25 DELAY REC 12V TO IC4401 16 Hi Fi DELAY REC H Q6002 TO FROM IC3001 8 I2 C SERIAL DATA TO FROM IC4201 43 I2 C SERIAL DATA TO IC4...

Page 325: ...P3001 3 P2502 4 P2502 2 P2502 21 P2532 4 P2532 2 P2532 21 24 22 10 7 12 75 74 PB ON IC6001 SERVO MICROCONTROLLER POSITIVE PB CTL SLICER CAP DIRECTION CTL SCHMIT AMP COUNT DOWN NEGATIVE PB CTL SLICER...

Page 326: ...IC6301 RESET L 19 IC6301 RESET L GRID 1G GRID 6G 33 38 SEGMENT a SEGMENT f 41 44 SEGMENT g SEGMENT j 1 2 SEGMENT k SEGMENT l 13 14 X IN X OUT OUT GRID DISPLAY TUBE SEGMENT FIP 16 46 56 10 8 IC6301 CS...

Page 327: ...MA CA MA AUDIO LATCH COUNTER LPF LPF CLAMP CLAMP CHROMA TRAP L3802 C3821 ENV MASK GENERATOR 16 33 35 3 4 5 IC3801 TO IC6001 44 AUDIO BLACK DETECT L TO IC6001 43 VIDEO BLACK DETECT L TO IC6001 2 E V MA...

Page 328: ...3802 becomes LOW when the black portion no video at both the beginning and end of a commercial appears on TV Check signal line between Pin 44 of IC6001 and Pin 11 of IC3801 Confirm if the signal at Pi...

Page 329: ...DVANCE START Insert a cassette prerecorded movies rented or purchased in the SP speed with the record tab removed Set the VCR in search mode for Movie Advance Select search mode in Movie Advance menu...

Page 330: ...10 EXPLODED VIEWS 10 1 MECHANISM TOP SECTION 81 PV 9661 PV 9662...

Page 331: ...10 2 MECHANISM BOTTOM SECTION 82 PV 9661 PV 9662...

Page 332: ...10 3 CASSETTE UP COMPARTMENT SECTION 83 PV 9661 PV 9662...

Page 333: ...10 4 CHASSIS FRAME AND CASING PARTS SECTION 84 PV 9661 PV 9662...

Page 334: ...10 5 PACKING PARTS AND ACCESSORIES SECTION 85 PV 9661 PV 9662...

Page 335: ...5 Since the UHF VHF TUNER TV DEMODULATOR UNIT Ref No E21 has already been pre adjusted at the factory do not try to adjust the UHF VHF TUNER TV DEMODULATOR UNIT The UHF VHF TUNER TV DEMODULATOR UNIT r...

Page 336: ...83 66 90 6 723 3 7 90 6 5281 1 635 1 90 6 6 3 7 90 6 6 3 7 5 90 6 6 1625 29 5 90 6 23 1 5 9 5 9 6 5 9 5 81 7 9 6 2 5 81 7 9 6 3 5 50 81 7 5217 3 1 66 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 9 36...

Page 337: ...1 725 3 1 6 TRANSISTORS 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 4 6 3 7 25 6 4 6 4 6 7 5 3 25 6 5 6 3 4 6 5 3 25 6 5 6 3 4 6 5 3 25 6 56 3 4 6 25 6 3 4 25 6 4 6 3 25 6 5 6 3 4 6 79 5 3 25 6 3 4...

Page 338: ...9 0 3 5 5 9 7 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 5 95 6 7 5 5 9 0 3 5 5 6 7 5 5 6 7 5 5 6 7 5 5 6 7 5 5 6 7 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 6 7 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5...

Page 339: ...9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 91 9 5 5 5 9 0 3 5 5 9 0 3...

Page 340: ...89 1 3 9 89 1 3 9 3 752 7 9 752 7 9 89 1 3 9 3 5 752 7 9 89 1 3 9 89 1 3 3 9 3 89 1 3 9 752 7 9 89 1 3 9 3 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 89 1 3 9 752 7 9 89 1 3 9 3 752 7 9 752 7 9 752...

Page 341: ...6 02 6 7 6 7 6 9666 6 7 6 7 FUSE PROTECTOR 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 96 6 86 9 25 96 6 86 9 25 18 86 9 35 3 1 73 3527 725 25 81 3527 725 35 3 1 73 3527 725 25 81 3527 725 TRANSFORME...

Page 342: ...ULSWLRQ 5HPDUN V 6 25 6 5 9 5 9 5 9 5 25 58 5 9 5 9 25 5 9 9 25 73 0 1 7 7 1 5 9 0 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 25 66 7 0 25 25 66 25 66 7 0 1 5 9 25 0 75 1 5 9 25 0 75 1 5 9 0 25 25 6...

Page 343: ...9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0 3 5 5 9 0...

Page 344: ...FULSWLRQ 5HPDUN V 176 0 5 0 9 25 9 674 5 0 9 25 9 684 0 5 0 9 11 0 5 0 9 3 25 176 0 5 0 9 3 25 9 674 0 5 0 9 3 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 25 9 684 0 5 0 9 3 11 0 5 0 9 3 25 176 0 5 0...

Page 345: ...3 9 3 752 7 9 752 7 9 752 7 9 89 1 3 9 89 1 3 9 3 89 1 3 9 3 4 32 67 5 9 3 89 1 3 9 89 1 3 9 752 7 9 5 752 7 9 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 5 752 7 9 752 7 9 752 7 9 752 7 9 752 7 9 75...

Page 346: ...DUW 1DPH HVFULSWLRQ 5HPDUN V 7 76 33 25 9736 7 4 4 4 JACKS 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 9 6 8 2 9 2 62 7 MISCELLANEOUS 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 9 46 781 5 8 9 15 86...

Page 347: ...2 7 9 89 1 3 9 5 5 9 0 3 89 1 3 9 89 1 3 9 752 7 9 COILS 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 61 61 PIN HEADERS 5HI 1R 3DUW 1R 3DUW 1DPH HVFULSWLRQ 5HPDUN V 3 9 66 211 725 3 11 3 6 JUNCTION C...

Page 348: ...1999 Matsushita Kotobuki Electronics Industries LTD All rights reserved Unauthorized copying and distribution is a violation of law PV 9661 PV 9662 Video Cassette Recorder ORDER NO MKE9901002C1 B3...

Page 349: ...R AUDIO CONTROL HEAD SCHEMATIC DIAGRAM 55 7 12 INTERCONNECTION SCHEMATIC DIAGRAM 56 7 13 SIGNAL WAVEFORM 57 7 14 VOLTAGE CHART 59 8 CIRCUIT BOARD LAYOUT 63 8 1 MAIN POWER SUPPLY SIGNAL PROCESS AUDIO H...

Page 350: ...OTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT PR1001 OUTPUT VOLTAGE DETECTOR TO IC6001 1 POWER DOWN L D1015 OVERVOLTAGE PROTECTOR D1008 D1007 D1006 D1005 C1011 C1012 C1013 C10...

Page 351: ...SE P3001 11 P3501 11 P3501 11 HEAD AMP C B A FOR 4HEAD MODEL VIDEO LP SLP L HEAD VIDEO LP SLP R HEAD VIDEO SP L HEAD VIDEO SP R HEAD IC3501 HEAD AMP L R L R SP LP SLP SP LP SLP REC PB FROM IC6001 99 H...

Page 352: ...AL AUDIO WITH Hi Fi AUDIO WITHOUT Hi Fi AUDIO J4001 J4003 R4013 TO IC3801 3 AUDIO WITH ADVANCE Q4006 Q4004 LINE1 LINE2 IC4151 FROM IC6001 19 INPUT SELECT 2 WITH FRONT A V JACK WITHOUT Hi Fi AUDIO WITH...

Page 353: ...DIO MUTE H J4202 J4201 AUDIO IN1 R CH AUDIO IN1 L CH AUDIO OUT L CH AUDIO OUT R CH MTS SAP SIGNAL PROCESS SIF OUT AUDIO AUDIO R7007 4 5MHz BPF FL4901 UHF VHFTUNER TV DEMODULATOR UNIT RF MAIN C B A Hi...

Page 354: ...1 OSC 2 SAFETY TAB BROKEN H VIDEO DELAY REC H SW 12V TO IC3501 25 DELAY REC 12V TO IC4401 16 Hi Fi DELAY REC H Q6002 TO FROM IC3001 8 I2 C SERIAL DATA TO FROM IC4201 43 I2 C SERIAL DATA TO IC4201 42...

Page 355: ...001 3 P2502 4 P2502 2 P2502 21 P2532 4 P2532 2 P2532 21 24 22 10 7 12 75 74 PB ON IC6001 SERVO MICROCONTROLLER POSITIVE PB CTL SLICER CAP DIRECTION CTL SCHMIT AMP COUNT DOWN NEGATIVE PB CTL SLICER SEL...

Page 356: ...01 RESET L 19 IC6301 RESET L GRID 1G GRID 6G 33 38 SEGMENT a SEGMENT f 41 44 SEGMENT g SEGMENT j 1 2 SEGMENT k SEGMENT l 13 14 X IN X OUT OUT GRID DISPLAY TUBE SEGMENT FIP 16 46 56 10 8 IC6301 CS L IC...

Page 357: ...CA MA AUDIO LATCH COUNTER LPF LPF CLAMP CLAMP CHROMA TRAP L3802 C3821 ENV MASK GENERATOR 16 33 35 3 4 5 IC3801 TO IC6001 44 AUDIO BLACK DETECT L TO IC6001 43 VIDEO BLACK DETECT L TO IC6001 2 E V MASK...

Page 358: ...becomes LOW when the black portion no video at both the beginning and end of a commercial appears on TV Check signal line between Pin 44 of IC6001 and Pin 11 of IC3801 Confirm if the signal at Pin 44...

Page 359: ...F MOVIE ADVANCE START Insert a cassette prerecorded movies rented or purchased in the SP speed with the record tab removed Set the VCR in search mode for Movie Advance Select search mode in Movie Adva...

Page 360: ...MBLY ASSEMBLY PROCEDURES OF MACHANISM SECTION CAPSTAN STATOR UNIT JUNCTION C B A VEPS0A25A CAPSTAN COIL CAPSTAN COIL CAPSTAN COIL A B C 1 2 3 2 4 1 3 2 4 1 3 2 4 1 Q2503 Q2501 IC2501 Q2502 C2506 C2509...

Page 361: ...TIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SECTION LEADLESS COMPONENT PARTS LOCATION GUIDE Hi Fi AUDIO VIDEO HEAD AMP C B A R2601 B 3 R4409 C 2 C3503 B 3 C3533 B 3 R260...

Page 362: ...C6024 C6027 J6331 J6330 L7003 R6095 C6029 8 5 1 4 IC3001 C3036 R3151 TP6008 C6016 TP6207 J6010 D6003 R6038 R6037 D6005 D6004 D6007 J6002 D6002 TP6209 C6019 EB C EB C 3 1 2 EB C C BE EB C EB C EB C EB...

Page 363: ...R6092 E 7 C3027 F 4 C3805 C 1 C4453 G 2 C6216 F 7 R1020 C 10 R3301 E 6 R4208 G 2 R6034 E 8 R6093 E 6 C3035 G 5 C3806 C 1 C4454 G 2 C6217 F 7 R1022 C 10 R3302 F 7 R4209 E 2 R6035 E 8 R6094 G 8 C3036 G...

Page 364: ...3 IC6002 IC6005 TAKEUP REEL SENSOR C4012 8 7 2 1 J6317 J6321 J6325 J6038 J6001 D1056 J3301 J3303 X3010 C3051 C4007 C4009 C4013 C4015 L4002 C4018 C4014 C3056 C3058 L4001 C4008 100 1 76 75 51 50 25 26...

Page 365: ...C3018 F 3 C3307 F 6 C4235 C 2 C6213 F 7 R1022 C 10 R3304 E 6 R4213 G 1 R6043 F 8 R6109 H 9 C3019 G 3 C3308 E 6 C4236 E 1 C6214 F 6 R1023 B 10 R3305 F 6 R4214 H 3 R6044 F 8 R6110 H 9 C3020 G 4 C3312 H...

Page 366: ...REFER TO BEGINNING OF SCHEMATIC SECTION NOTE CIRCUIT BOARD LAYOUT SHOWS COMPONENTS INSTALLED FOR VARIOUS MODELS FOR PROPER PARTS CONTENT FOR THE MODEL YOU ARE SERVICING PLEASE REFER TO THE SCHEMATIC D...

Page 367: ...TION SECTION 2 3 1 B A P6350 2 6 1 7 SW6313 STOP EJECT SW6311 REW SW6309 REC SW6316 PLAY SW6314 FF VJBS8053 NOTE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES REFER TO BEGINNING OF SCHEMATIC SE...

Page 368: ...IN P3502 PIN P3503 JUNCTION C B A OPERATION II C B A P2532 P2502 21 Pins P3001 P3501 MAIN C B A P6201 P2531 P6322 P6350 VIDEO OUT VIDEO IN 1 VIDEO IN 2 AUDIO OUT L CH AUDIO IN 1 L CH AUDIO IN 2 L CH A...

Page 369: ...nguage Channel Clock Tune to VCR output channel Tune TV to CH3 or CH4 Same as back of VCR Always tune TV to this channel to monitor the VCR If you used audio video jack connection tune the TV to its v...

Page 370: ...RY N IGHT EVERY MONDAY N I GHT In order for VCR to read VCR Plus code some set up is required Guide VCR Plus channel number is assigned to each local broadcast and cable station Because this number so...

Page 371: ...tape is returned to the end of recording Commercials are not erased from the tape Set ON or OFF 4 1 Display menu Press ACTION Display SET UP FEATURE 2 1 Press to select 2 Press to display 3 1 Press t...

Page 372: ...R PREVIEWS mode by pressing MA SKIP during tape searching works by searching the tape past each preview and then reversing back to the start of the detected preview While the tape is reversing back if...

Page 373: ...CHANNEL VIDEO IN 2 L AUDIO IN 2 R MONO ACTION PLAY REC Check list before you begin All connections are made VCR is plugged in TV is turned on and set to the VCR channel CH 3 or 4 VCR Lock is canceled...

Page 374: ...93 94 95 96 97 98 99 100 1 4W 1 4W 1 4W 3 4 30 31 72 71 70 69 67 66 54 53 52 45 44 KEY DATA 8 6 20 21 22 VIDEO PG SHIFTER 1 4W 26 27 28 23 5 DIODES IS MA165 NPN TRANSISTORS IS 2SD601A SWITCHES IS EVQ...

Page 375: ...D 1H DELAY WF13 GND 56 76 20 TP3010 MAIN EMPH P4001 2SA1576A106R 5 REC AGC PB AUDIO FSS OUT 50 34 7 40 CLOCK AMP 15M 35 36 80 3 1 WF4 TP3008 L 8 44 30 PB 1 I2C SERIAL CLOCK AGC DET WF11 CNR PHASE ENV...

Page 376: ...REC REC AMP SP LP SLP 63 62 61 REC AMP AGC DET PB REC SLP ON SP LP ON REC ON LP SLP ON LINE AMP fH TRAP GND 70 69 68 67 66 65 64 VCC 75 74 73 72 71 TUNER 1 2 VCC LINE MUTE PB APC 4 PHASE SELECT GND 7...

Page 377: ...WF27 87 NOTE THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING TP1001 AS A COMMON TERMINAL SW 12V Z HOT CIRCUIT BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING SW 5V VIDEO UNSW 5V SYS...

Page 378: ...1 4 I E 5 3 H 6 G F 1 2 3 4 5 6 7 8 AUDIO R CH GND AUDIO L CH SW 12V AUDIO R CH GND AUDIO L CH SPATIALIZER CTL PIN TO SPATIALIZER C B A P4501 Hi Fi D REC H 4 108 Hi Fi D REC H 89 REC AUDIO Hi Fi HEAD...

Page 379: ...51 50 49 54 55 56 57 58 59 60 61 62 63 64 dBX NOISE REDUCTION RF AGC DETECTOR RF AGC 12V L CH GND L R SAP SWITCH SAP DEMODULATOR VCA DEMODULATOR MUTE CTL PILOT DETECTOR STEREO FILTER ST PLL NOISE RED...

Page 380: ...TO MAIN I G 2 B A 9 5 I E K 8 6 J M D 1 L 7 C 4 3 A H F A VJBS6052 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z UNLESS OTHERWISE SPECIFIED WATTAGE OF RESISTORS IS 1 10W SWITCHES IS...

Page 381: ...D C B A P6302 P6320 TO OPERATION Z Z Z TO MAIN I TO MAIN I TO MAIN II TO MAIN IV TO MAIN I G 2 B 9 5 I E K 8 6 J M D 1 L 7 C 4 3 H F A VJBS6055 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z PLAY...

Page 382: ...OF RESISTORS IS 1 10W AMP MA 3 ENVELOPE DETECTOR CLAMP CA C VIDEO DETECT H MASK DELAY 4 REC VIDEO SIGNAL V MASK WIDTH CONTROL H MASK WIDTH CONTROL Z D PB VIDEO SIGNAL MIX A LPF V MASK DELAY REC AUDIO...

Page 383: ...A 11 VIDEO 2 TO MAIN C B A P6320 13 CATV DATA AUDIO 2 L CH 1 12 5 2 UNSW 5V SYS CTL P6302 14 19 7 16 CATV CS L 8 4 GND 18 3 UNSW 14V 6 AUDIO 2 R CH SCAN 1 17 15 GND GND GND 6 7 4 5 3 1 2 MN13801 R 2SD...

Page 384: ...3 1 3 AUDIO ERASE HEAD 2 1 AUDIO HEAD CTL HEAD GND AUDIO HEAD CTL HEAD AUDIO ERASE HEAD 3 CAP ERROR 5 CAP DIRECTION CTL 6 11 GND UNSW 5V P2531 8 13 10 LD M REV H V REF 2 CAP FG 9 LD M CAP TORQ LIM CA...

Page 385: ...PRE AMP C SP TP4402 1 TP3501 LOGIC H LP SLP PB ON D PB ON AMP AGC DET L 2 CYLINDER MOTOR DRIVE R I REC ON SP VJBS5019 A REC ON WF49 ENVE DET E 1 4W 3 1 4W GND J GND TP4405 B GND REC VIDEO SIGNAL F WF...

Page 386: ...matic diagram to find the connection between associated connectors Example The connections between C B A s are shown below JUNCTION C B A MAIN C B A P2531 P6201 14 Pins Connector No on Main C B A The...

Page 387: ...1 5 1 52 2 5 2 5 53 2 6 2 6 54 0 0 55 0 0 56 57 4 8 0 58 5 2 0 59 0 0 60 0 0 61 62 0 0 63 0 4 0 64 0 0 65 1 0 1 0 66 0 0 67 2 5 2 5 68 2 5 2 5 21 22 23 24 0 0 25 26 27 28 29 30 31 11 6 11 6 32 8 4 8 4...

Page 388: ...3 13 5 13 5 4 1 2 1 2 5 1 2 1 2 6 1 2 1 2 7 0 1 2 7 8 0 0 9 2 6 2 6 10 1 5 1 5 11 2 6 2 6 12 0 5 0 5 13 3 9 3 9 14 3 9 3 9 15 0 0 16 0 0 17 18 13 5 13 5 19 2 8 2 8 20 0 0 7 21 2 8 2 8 22 0 0 7 23 0 2...

Page 389: ...5 1 5 1 5 1 52 2 5 2 5 2 5 53 2 6 2 6 2 6 54 5 2 5 2 5 2 55 5 2 5 2 5 2 56 57 58 4 9 4 9 4 9 59 5 0 5 0 5 0 60 1 9 1 9 1 9 61 0 0 0 62 0 4 0 4 0 4 63 5 0 5 0 5 0 64 0 0 0 65 1 0 1 0 1 0 66 0 0 0 67 2...

Page 390: ...SLOW STILL WF14 0 440Vp p V1 PIN 34 OF IC3001 0 2V 5ms 2 PB WF15 0 300Vp p V1 PIN 41 OF IC3001 0 2V 5ms 2 REC WF16 0 480Vp p V1 PIN 41 OF IC3001 0 2V 5ms 2 PB SP WF16 2 00Vp p V1 TP3001 1V 20 s1 REC...

Page 391: ...01 2V 5 s1 REC PB WF26 277 00Vp p V1 Q1001 COLLECTOR 50V 2 s1 POWER OFF WF27 277 00Vp p V1 Q1001 COLLECTOR 50V 2 s1 POWER ON WF27 8 00Vp p V1 PIN 5 OF T1001 5V 2 s1 POWER ON WF28 125 0mVp p V1 PIN 9 O...

Page 392: ...COLD CHECK 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet...

Page 393: ...ied as antistatic ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devi...

Page 394: ...ocess of Setup Language Channel Clock Tune to VCR output channel Tune TV to CH3 or CH4 Same as back of VCR Always tune TV to this channel to monitor the VCR If you used audio video jack connection tun...

Page 395: ...ONDAY N I GHT In order for VCR to read VCR Plus code some set up is required Guide VCR Plus channel number is assigned to each local broadcast and cable station Because this number sometimes differs f...

Page 396: ...to the end of recording Commercials are not erased from the tape Set ON or OFF 4 1 Display menu Press ACTION Display SET UP FEATURE 2 1 Press to select 2 Press to display 3 1 Press to select 2 Press t...

Page 397: ...FOR PREVIEWS mode by pressing MA SKIP during tape searching works by searching the tape past each preview and then reversing back to the start of the detected preview While the tape is reversing back...

Page 398: ...VCR TV CHANNEL VIDEO IN 2 L AUDIO IN 2 R MONO ACTION PLAY REC Check list before you begin All connections are made VCR is plugged in TV is turned on and set to the VCR channel CH 3 or 4 VCR Lock is ca...

Page 399: ...CR for over 3 seconds if VCR is not in shut off condition Fig 1 1 2 Fault code 4 digit number will be displayed in F I P as shown Fig 1 2 Fig 1 3 Fig 1 4 Fig 1 5 3 While pressing down TV VCR button on...

Page 400: ...el Ass y Fig 2 1 4 1 2 1 2 Service Position 2 1 Remove Top Cover Front Panel Ass y and Operation I II C B A s Then remove VCR Chassis Unit out of Frame 2 Place VCR Chassis Unit and Operation I II C B...

Page 401: ...rformed Fig 2 4 4 1 2 2 2 Extension Cable Kit VUZS0002 Fig 2 5 Note 3 types of Extension Cable 2 are included in this kit Since there is a difference in the number of P3501 Head Amp C B A pins between...

Page 402: ...sembling CABINET SECTION in Disassembly Assembly Procedures 4 1 3 HOT CIRCUIT Primary circuit exists on the Main C B A This circuit is identified as HOT on the C B A and in the Service Manual Use extr...

Page 403: ...to solder Portions a and b after loading unloading operation is completed When loading without a cassette press Portion a on both sides of the Holder Unit of Cassette Up Ass y so that the Levers clea...

Page 404: ...e Capstan Rotor Unit 2 Perform Step 3 through Step 8 of Method 1 4 1 7 1 3 Method 3 1 Perform Step 3 through Step 8 of Method 1 Note After repairing mechanical trouble make sure that all gear alignmen...

Page 405: ...used during the servicing of VCR whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal i...

Page 406: ...the part downward with tweezers and solder both electrodes as shown below Fig 8 3 Note Do not glue the replacement leadless component to the circuit board 4 1 16 MODEL NO IDENTIFICATION MARK Use Marks...

Page 407: ...nd must be read first for value If this part is included in the parts list be sure that the color band is read properly when servicing 2 CAPACITOR Because of the width of the color bands the reading d...

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