Sony LX70S, RMT-V294A, LX60S, LX40, LX50 service manual RMT-V293A/V294A, Specifications

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LX40/LX50/LX60S/LX70S

 

RMT-V293A/V294A

SERVICE MANUAL

SLV-LX50CL/LX50CS/LX70SCL/

 

Chilean Model

 

LX70SCS

1 2 3

4 5 6

7 8 9

0

Mexican Model

SLV-LX40MX/LX50MX/LX60SMX/ LX70SMX

Panama Model Venezuelan Model

SLV-LX50PA/LX50PC/LX50VZ/ LX70SPA/LX70SPC/LX70SVZ

SLV-LX70S

S MECHANISM

Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT for MECHANICAL ADJUSTMENTS. (9-921-748-11)

HiFi model : SLV-LX60S/LX70S

Mono model: SLV-LX40/LX50

SPECIFICATIONS

System

Format

VHS NTSC standard

Video recording system

Rotary head helical scanning FM system Video heads

Double azimuth four heads

Video signal

NTSC color, EIA standards

Tape speed

SP: 33.35 mm/s

EP: 11.11 mm/s

LP: 16.67 mm/s, playback only

Maximum recording/playback time

9 hrs. in EP mode (with T-180 tape) Fast-forward and rewind time

Approx. 3 min. (with T-120 tape)

Tuner section

Channel coverage

VHF 2 to 13

UHF 14 to 69

CATV A-8 to A-1, A to W, W+1 to W+84 Antenna

75-ohm antenna terminal for VHF/UHF

Input and outputs

LINE-1 IN and -2 IN

VIDEO IN, phono jack (1 each)

LINE OUT

VIDEO OUT, phono jack (1)

Output signal: 1 Vp-p, 75 ohms, unbalanced, sync negative

AUDIO OUT, phono jacks (1 each) (SLV-LX50 and LX40), (2 each) (SLV-LX70S and LX60S)

Standard output: 327 mVrms

Load impedance: 47 kilohms

Output impedance: less than 10 kilohms

Timer section

Clock

Quartz locked Timer indication

12-hour cycle Timer setting

8 programs (max.) Power back-up

Built-in self-charging capacitor Back-up duration: up to 8 hours at a time

General

Power requirements

110 V AC to 240 V AC, 50/60 Hz (SLV-LX70S (CL/CS) and LX50 (CL/CS))

120 V AC, 60 Hz

(SLV-LX70S (MX/PA/PC/VZ), LX60S (MX), LX50 (MX/PA/PC/VZ), and LX40 (MX))

Power consumption

17 W

(SLV-LX70S (CL/CS/MX/PA/PC/VZ) and

SLV-LX60S (MX))

16 W

(SLV-LX50 (CL/CS/MX/PA/PC/VZ) and

SLV-LX40 (MX))

Operating temperature

5°C to 40°C (41°F to 104°F)

Storage temperature

–20°C to 60°C (–4°F to 140°F)

Dimensions

Approx. 355 x 96 x 288.8 mm (w/h/d)

including projecting parts and controls

Mass

Approx. 3.6 kg

Supplied accessories

Remote commander (1)

Size AA (R6) batteries (2)

75-ohm coaxial cable with F-type connectors (1)

Audio/video cable (1) (3-phono to 3-phono) (SLV-LX70S and LX60S only)

Plug adaptor (1)

(SLV-LX70S (CL/CS) and LX50 (CL/CS) only)

Design and specifications are subject to change without notice

ENERGY STAR® is a U.S. registered mark.

As an ENERGY STAR® Partner, Sony Corporation has determined that this product meets the

ENERGY STAR®

Input signal: 1 Vp-p, 75 ohms, unbalanced, sync negative

AUDIO IN, phono jacks (1 each) (SLV-LX50 and LX40), (2 each) (SLV-LX70S and LX60S)

Input level: 327 mVrms

Input impedance: more than 47 kilohms

VIDEO CASSETTE RECORDER

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Contents RMT-V293A/V294A SpecificationsSafety CHECK-OUT Service Note Table of ContentsDisassembly Adjustments Block DiagramsError Code Indication Service NoteHookups Setting up the remote commanderHookup Antenna hookup Hookup 1 VCR setupCompleting A/V hookup HookupHookup Connecting a cable box with many scrambled channels Hookup 2 VCR setupHookup 3 VCR setup Automatic clock settingUsing the Auto Clock Set feature Setting the clockSelecting a language If the clock does not activate Using Manual Clock SetPresetting all receivable channels automatically Presetting channelsPresetting/disabling channels manually If the picture is not clear Playing a tapeRecording TV programs To watch another TV program while recording Recording TV programs using the Dial TimerTo save a recording Before you startAbout the Demonstration Mode Recording TV programs using the timerLocking the VCR Child Lock Playing/searching at various speedsTo resume normal playback To lock the VCRChecking/changing/canceling timer settings Setting the recording duration timeRecording stereo programs Recording bilingual programsSearching using the index function Searching for the beginning of a timer recorded programSearching using the Time Search function How sound is recorded on a video tapeSearch forward while Showing the tape contents Fast-forward To cancel skip-searchPress H Play or x Stop Adjusting the tracking Adjusting the pictureChanging menu options About the Adaptive Picture Control APC functionOperation when recording on this VCR How to connect to record on this VCREditing with another VCR Before you start editingIndex 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 Top View Internal ViewsBottom 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 REC/PB Head AMP MA-405 REC/PB Head AMP Schematic DiagramSee page 4-21 for waveforms MA-405 BOARD1/7 Audio Process MA-405 Y/C, Audio Processor Schematic DiagramAudio Processor VA Block SERVO/SYSTEM Control SS Block MA-405 SERVO/SYSTEM Control Schematic DiagramSee page 4-5 for printed wiring board MA-405 BOARD4/7 MA-405 Audio Process Schematic DiagramAudio Process AU Block See page 4-5 for printed wiring board MA-405 Tuner Schematic DiagramTuner MA-405 BOARD5/7See page 4-5 for printed wiring board MA-405 BOARD6/7 MA-405 Display Control Schematic DiagramDisplay Control Front Block MA-405 Power Supply Schematic Diagram Power SupplySee page 4-5 for printed wiring board MA-405 BOARD7/7 Power Supply PS BlockDrum FG REC/PBDrum PG OSD V OUTFJ-32 Board Line 2Line 2 Dial Timer Dial TimerDI-80 Board 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 Electrical Adjustments Mechanical AdjustmentsPreparation Before Adjustment Input/Output Levels and Impedance Power Supply CheckServo System Check Audio System AdjustmentVTR ACE Head Adjustment VIDEO/AUDIO Line IN/OUT Adjusting Parts Location DiagramSW5V RF/HF SWPFront Panel and Upper Case Section Exploded Views5455 Chassis Section707 708 712 706 702 701 709 704 710 705 722 703 Mechanism Deck721 711 720 713 725 724 714 719 715 717 718 Brake ASSY,MAINT Spring Power TensionRoller ASSY, Guide SpringScrew + P2.6 x 6 TYPE2 NON-SLIT 803 802 833SWITCH, Tact SwitchLX70SCL,CS Connector ResistorDouble Layer MA-405Mylar CeramicFilm PIN, Connector 4P CONNECTOR, FFC/FPC 5PHOUSING, Connector 6P LX40/LX50 CONNECTOR, FFC/FPC 7PTUBE, Fluorescent Indicator FILTER, Line Fluorescent Indicator TubeShort Jumper Selector Short CoilTransistor PT380F3 TransistorTransistor 2SC1815GR-TPE2 Transistor 2SC2712Y-TE85LMetal Oxide SWITCH, Tact 0REW SWITCH, Rotary ModeSWITCH, Tact Ppause SWITCH, Tact ·PLAYRef. No Description Remarks Ref. No Published by Quality Assurance Dept Sony Corporation