Mechanism Deck | Sony LX50, LX70S, RMT-V293A, RMT-V294A, LX60S, LX40

7-1-3. MECHANISM DECK SECTION-1

707

708

#2

712

706

702

701

709

704 723

710

705

722

703

701

721

711

720

713

725

724 714 716

719

715

717

718

Ref. No.	Part No.	Description	Remarks	Ref. No.	Part No.	Description	Remarks
701	3-977-509-01	WASHER, THRUST		714	3-977-514-01	OPENER, LID (SL)
702	3-977-507-01	TABLE, REEL (S) (GRAY)		715	3-977-441-03	GEAR, PINCH PRESSING
703	3-977-508-01	TABLE, REEL (T) (BLACK)		716	3-977-445-02	GEAR, TG8 ARM DRIVING
704	1-500-144-11	HEAD, FE		717	3-977-465-01	SPRING, EXTENSION (RVS BRAKE)
705	3-977-495-01	SHAFT, TG2		718	3-977-446-01	ARM ASSY, RVS BRAKE (SL)
706	3-977-494-01	HOLDER, FEH		719	3-977-446-01	GEAR, TG8 ARM
707	A-6759-619-B	FL COMPLETE ASSY BOARD, COMPLETE		720	X-3947-590-1	TG8 ASSY
708	3-977-535-01	PLATE, LUMINOUS (END SENSOR)		721	A-6759-620-A	HEAD BLOCK ASSY, ACE
709	3-977-536-01	PLATE, LUMINOUS (TOP SENSOR)		722	3-974-556-11	+ HEXA TT 2.6 x 9 (TAPER)
710	3-977-443-01	WASHER, STOPPER		723	3-979-508-01	SCREW + HEXA TP SW 3 x 8
711	A-6759-863-B	PRESS BLOCK ASSY, PINCH		724	3-059-958-01	SPRING, TG8
712	3-958-455-01	SPRING (PINCH), TENSION		725	3-051-300-03	LOCK ACE SCREW
713	3-977-447-01	GEAR, ELEVATOR		#2	7-685-646-79	SCREW + BVTP 3 x 8 TYPE2 IT-3
713	3-977-447-01	GEAR, ELEVATOR		#2	7-685-646-79	SCREW + BVTP 3 x 8 TYPE2 IT-3

7-3

Image 59

Sony LX50 Mechanism Deck, 707 708 712 706 702 701 709 704 710 705 722 703, 721 711 720 713 725 724 714 719 715 717 718

Contents

RMT-V293A/V294A Specifications Safety CHECK-OUT Block Diagrams Table of ContentsService Note Disassembly Adjustments Error Code Indication Service Note Hookups Setting up the remote commander Hookup Hookup 1 VCR setupHookup Antenna hookup Completing A/V hookup Automatic clock setting Hookup 2 VCR setupHookup Connecting a cable box with many scrambled channels Hookup 3 VCR setup Selecting a language Setting the clockUsing the Auto Clock Set feature If the clock does not activate Using Manual Clock Set Presetting/disabling channels manually Presetting channelsPresetting all receivable channels automatically If the picture is not clear Playing a tape Recording TV programs Before you start Recording TV programs using the Dial TimerTo watch another TV program while recording To save a recording About the Demonstration Mode Recording TV programs using the timer To lock the VCR Playing/searching at various speedsLocking the VCR Child Lock To resume normal playback Recording bilingual programs Setting the recording duration timeChecking/changing/canceling timer settings Recording stereo programs How 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 function Press 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 options Before you start editing How to connect to record on this VCROperation when recording on this VCR Editing with another VCR Index to parts and controls General setup information Rear panel Display window 11--19E CASE, Front Panel Block Assembly SLV-LX40/LX50/LX60S/LX70S Section Disassembly Rear 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 a Frame 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 Diagram Audio 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 Tuner Display 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 BOARD7/7 OSD V OUT REC/PBDrum FG Drum PG Line 2 Line 2FJ-32 Board DI-80 Board Dial TimerDial Timer System Control Mechanism Block Interface MA-405 Board IC160 Signal Pin No System Control Audio Block Interface MA-405 Board IC160 System Control VIDEO/RP Block Interface MA-405 Board IC160 Pin Name Function 55-4E Preparation Before Adjustment Mechanical AdjustmentsElectrical Adjustments Input/Output Levels and Impedance Power Supply Check VTR Audio System AdjustmentServo System Check ACE Head Adjustment RF/HF SWP Adjusting Parts Location DiagramVIDEO/AUDIO Line IN/OUT SW5V Front Panel and Upper Case Section Exploded Views 5455 Chassis Section 721 711 720 713 725 724 714 719 715 717 718 Mechanism Deck707 708 712 706 702 701 709 704 710 705 722 703 Spring Spring Power TensionBrake ASSY,MAINT Roller ASSY, Guide Screw + P2.6 x 6 TYPE2 NON-SLIT 803 802 833 Resistor SwitchSWITCH, Tact LX70SCL,CS Connector Double Layer MA-405 Film CeramicMylar CONNECTOR, FFC/FPC 7P CONNECTOR, FFC/FPC 5PPIN, Connector 4P HOUSING, Connector 6P LX40/LX50 Short Coil FILTER, Line Fluorescent Indicator TubeTUBE, Fluorescent Indicator Short Jumper Selector Transistor 2SC2712Y-TE85L TransistorTransistor PT380F3 Transistor 2SC1815GR-TPE2 Metal Oxide SWITCH, Tact ·PLAY SWITCH, Rotary ModeSWITCH, Tact 0REW SWITCH, Tact Ppause Ref. No Description Remarks Ref. No Published by Quality Assurance Dept Sony Corporation