Manuals / Sony / TV and Video / VCR

Sony LX50, LX70S, RMT-V293A, RMT-V294A, LX60S Sony Corporation, Published by Quality Assurance Dept

Models: LX50 RMT-V294A LX40 LX60S RMT-V293A LX70S

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SLV-LX40/LX50/LX60S/LX70S

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Part No.

Description

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	Sony Corporation
9-921-786-11	NETWORK ENTERTAINMENT GROUP

20001B0800-1  2001. 2

Published by Quality Assurance Dept.

–786-15–

Page 71

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Sony LX50, LX70S, RMT-V293A, RMT-V294A, LX60S, LX40 service manual Sony Corporation, Published by Quality Assurance Dept

Contents

RMT-V293A/V294A SpecificationsSafety CHECK-OUT Block Diagrams Table of ContentsService Note Disassembly AdjustmentsError Code Indication Service NoteHookups Setting up the remote commanderHookup Hookup 1 VCR setupHookup Antenna hookup Completing A/V hookupAutomatic clock setting Hookup 2 VCR setupHookup Connecting a cable box with many scrambled channels Hookup 3 VCR setupSelecting a language Setting the clockUsing the Auto Clock Set feature If the clock does not activate Using Manual Clock SetPresetting/disabling channels manually Presetting channelsPresetting all receivable channels automatically If the picture is not clear Playing a tapeRecording TV programs Before you start Recording TV programs using the Dial TimerTo watch another TV program while recording To save a recordingAbout the Demonstration Mode Recording TV programs using the timerTo lock the VCR Playing/searching at various speedsLocking the VCR Child Lock To resume normal playbackRecording bilingual programs Setting the recording duration timeChecking/changing/canceling timer settings Recording stereo programsHow sound is recorded on a video tape Searching for the beginning of a timer recorded programSearching using the index function Searching using the Time Search functionPress H Play or x Stop To cancel skip-searchSearch forward while Showing the tape contents Fast-forward About the Adaptive Picture Control APC function Adjusting the pictureAdjusting the tracking Changing menu optionsBefore you start editing How to connect to record on this VCROperation when recording on this VCR Editing with another VCRIndex to parts and controls General setup informationRear panel Display window11--19E CASE, Front Panel Block Assembly SLV-LX40/LX50/LX60S/LX70S Section DisassemblyRear Panel Mechansim Deck Bottom View Internal ViewsTop View Circuit Boards Location Overall Block Diagram Video Block Diagram SERVO/SYSTEM Control Block Diagram Tuner Block Diagram Audio Block Diagram Power Block Diagram Xedit → Edit PB/XREC → PB/REC TA aFrame Schematic Diagram VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER, Power See page 4-21 for waveforms MA-405 BOARD1/7 MA-405 REC/PB Head AMP Schematic DiagramREC/PB Head AMP Audio Processor VA Block MA-405 Y/C, Audio Processor Schematic DiagramAudio Process SERVO/SYSTEM Control SS Block MA-405 SERVO/SYSTEM Control Schematic DiagramAudio Process AU Block MA-405 Audio Process Schematic DiagramSee page 4-5 for printed wiring board MA-405 BOARD4/7 MA-405 BOARD5/7 MA-405 Tuner Schematic DiagramSee page 4-5 for printed wiring board TunerDisplay Control Front Block MA-405 Display Control Schematic DiagramSee page 4-5 for printed wiring board MA-405 BOARD6/7 Power Supply PS Block Power SupplyMA-405 Power Supply Schematic Diagram See page 4-5 for printed wiring board MA-405 BOARD7/7OSD V OUT REC/PBDrum FG Drum PGLine 2 Line 2FJ-32 Board DI-80 Board Dial TimerDial Timer System Control Mechanism Block Interface MA-405 Board IC160 Signal Pin NoSystem Control Audio Block Interface MA-405 Board IC160 System Control VIDEO/RP Block Interface MA-405 Board IC160Pin Name Function 55-4E Preparation Before Adjustment Mechanical AdjustmentsElectrical Adjustments Input/Output Levels and Impedance Power Supply CheckVTR Audio System AdjustmentServo System Check ACE Head Adjustment RF/HF SWP Adjusting Parts Location DiagramVIDEO/AUDIO Line IN/OUT SW5VFront Panel and Upper Case Section Exploded Views5455 Chassis Section721 711 720 713 725 724 714 719 715 717 718 Mechanism Deck707 708 712 706 702 701 709 704 710 705 722 703 Spring Spring Power TensionBrake ASSY,MAINT Roller ASSY, GuideScrew + P2.6 x 6 TYPE2 NON-SLIT 803 802 833Resistor SwitchSWITCH, Tact LX70SCL,CS ConnectorDouble Layer MA-405Film CeramicMylar CONNECTOR, FFC/FPC 7P CONNECTOR, FFC/FPC 5PPIN, Connector 4P HOUSING, Connector 6P LX40/LX50Short Coil FILTER, Line Fluorescent Indicator TubeTUBE, Fluorescent Indicator Short Jumper SelectorTransistor 2SC2712Y-TE85L TransistorTransistor PT380F3 Transistor 2SC1815GR-TPE2Metal Oxide SWITCH, Tact ·PLAY SWITCH, Rotary ModeSWITCH, Tact 0REW SWITCH, Tact PpauseRef. No Description Remarks Ref. No Published by Quality Assurance Dept Sony Corporation