Manuals / Sony / TV and Video / VCR

Sony RMT-V293A, LX70S, LX60S MA-405 Display Control Schematic Diagram, Display Control Front Block

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

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Page 43

SLV-LX40/LX50/LX60S/LX70S

MA-405 (DISPLAY CONTROL) SCHEMATIC DIAGRAM

– Ref. No: MA-405 board; 1000 series –

• See page 4-5 for printed wiring board.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

MA-405 BOARD(6/7)

DISPLAY CONTROL (FRONT BLOCK)

A XX MARK:NO MOUNT

AN_GND

7

AN_GND

AN_GND

L2(R)

HM5

AU_GND

MA-405 (2/7)

AU_GND

AU_GND

(SEE PAGE 4-9)

L2(L)

HM4

B

L2_VIDEO

L2_V

CN401

9P

JL464

R440

R409

R410

R412

R413

L2_VIDEO

9

R411

AN_GND

JL465

12k

1500

2200

2700

12k

15k

8

JL467

JL402

L2(L)

7

AU_GND

JL469

JS401

FJ-32 BOARD

6

ADJ

JL438

JL439

JL440

JL441

CN801

L2((R)

JL466

0.60mm

(SEE PAGE 4-24)

5

AU_GND

JL468

4

JL427

S412

S408

S404

S406

C

JL461

JS403

EJECT

3

GND

POWER

JL463

0.60mm

2

JL462

D_GND

1

REC

REW

CH+

ESU

R415

R416

R417

R418

R441

1500

1500

2200

2700

33k

D

R407

33

JL443

JL444

JL445

JL446

JL447

JL460

S411

S410

S413

S409

S405

S429

STOP

PLAY

FF

PAUSE

CH-

SEARCH

E

ND420

1

F-

IC403

2

IC403

SFH5110-40

B+

FG1

FG2

FG3

FG4

FG5

FG6

F-

FG1

4

G1

REMOTE CONTROL

-11.0

-11.0

-11.0

-11.0

-11.0

-11.1

FG2

RECEIVER

4.9

5

G2

FG3

VCC

GND

OUT

7 6

G3

44

43

42

41

40

39

38

37

36

35

34

FG4

G4

F

JS402

VSS

VDD

G1

G2

G3

G4

G5

G6

G7

G8

G9

FG5

0.60mm

R401

3

2

1

8

G5

FLUORESCENT TUBE INDICATOR

100

JL401

FG6

30 29 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9

G6

L421

C406

N.C

XX

100u

SLR-342DCT31

G10

N.C

10V

D421

LED1

C405

0

S18

P16

LED2

FS16

0.01u

REMOCON

MS1

B

R445

S17

FS15

P15

R402

LED3

IC404

FUNC KEY1

MS2

1k

R425

VEE

-13.3

FS14

P14

47k

LED4

11

FUNC KEY2

MS3

1/4W

82k

S16

R-8.6/P-6.2

FS16

FS13

P13

OSC

DISPLAY CONTROL

1.8

-6.3

FS15

G

S15

FS12

P12

R422

DOUT

IC404

4.9

S14

-4.0-0.6

FS14

P11

MA-405 (3/7)

S OUT0

MS6

1k

UPD16315GB-3BS

FS11

(SEE PAHE 4-11)

R423

4.9

DIN

-13.1--10.8

FS13

S CLK0

MS4

1k

S13

FS10

P10

R424

2.0-3.1

CLK

-13.1--10.8

FS12

FLD CS

MS7

1k

S12

FS9

P9

D_GND

STB

-13.1--10.8

FS11

S11

FS8

P8

D 5V

MS10

L420

C422

KEY1

-10.8--3.9

FS10

47u

S10

FS7

P7

22uH

JS453

16V

1011913457826

KEY2

2533323130292827262423

FS6

P6

KKP +

MS11

JS420

KKP -

MS12

XX

FS5

P5

H

C423

FS4

P4

0.01u

VSS

VDD

0

B

S1

S2

S3

S4

S5

S6

S7

S8

S9

FS3

P3

12

13

14

15

16

17

18

19

20

21

22

FS2

P2

4.9

FS1

P1

CN402

-6.2--1.7

-10.8

-13.1

-1.7--0.6

-8.5--3.9

-3.9--1.6

5P

JL408

10.8--6.5

10.8--6.5

10.8--6.5

F+

D_GND

5

TIMER SET

JL409

F+

4

DI-80 BOARD

SEARCH

JL410

B+

-

-

-

CN901

3

FS1

FS2

FS3

FS4

FS5

FS6

FS7

FS8

FS9

(SEE PAGE 4-25E)

JL477

I

KKP -

2

JL478

KKP +

1

B-

D420

B-

C421

XX

-13V

RD5.6ES-T1B2

17

F+

C425

R427

C426

C424

F-

10u

MA-405 (7/7)

1500

XX

0.1u

16V

F

(SEE PAGE 4-19)

D_GND

J

AN_GND

AN_GND

C427

0.1u

B

DISPLAY CONTROL

4-17

4-18

MA-405(6/7)

Image 43

Sony RMT-V293A, LX70S, LX40 MA-405 Display Control Schematic Diagram, See page 4-5 for printed wiring board MA-405 BOARD6/7

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 setupUsing 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 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 functionSearch forward while Showing the tape contents Fast-forward To cancel skip-searchPress H Play or x Stop 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 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 MA-405 BOARD5/7 MA-405 Tuner Schematic DiagramSee page 4-5 for printed wiring board TunerSee page 4-5 for printed wiring board MA-405 BOARD6/7 MA-405 Display Control Schematic DiagramDisplay Control Front Block 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 PGFJ-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 RF/HF SWP Adjusting Parts Location DiagramVIDEO/AUDIO Line IN/OUT SW5VFront 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 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-405Mylar CeramicFilm 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