Sony LX60S, LX40 Table of Contents, Service Note, General, INTERFACE, IC PIN Function Description

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

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TABLE OF CONTENTS

Section

Title

Page

SERVICE NOTE

 

 

1.

ERROR CODE INDICATION

5

1

GENERAL

 

 

Getting Started

1-1

Step 2 : Setting up the remote commander

1-1

Step 3 : Hookups

1-1

Selecting a language

1-4

Setting the clock

1-4

Presetting channels

1-6

Basic Operations

1-8

Playing a tape

1-8

Recording TV programs

1-8

Recording TV programs using the Dial Timer

1-9

Recording TV programs using the Timer

1-10

Additional Operations

1-11

Locking the VCR (Child Lock)

1-11

Playing/searching at various speeds

1-11

Setting the recording duration time

1-12

Checking/changing/canceling timer settings

1-12

Recording stereo and bilingual programs

1-13

Searching using for the begining of a timer recorded

 

 

program

1-13

Searching using the index function

1-13

Searching using the time search function

1-14

Skip-searching automatically (Quick view)

1-14

Searching for a selected point on the tape

1-14

Adjusting the picture

1-15

Changing menu options

1-15

Editing with another VCR

.....................................................

1-16

Additional Information

1-16

General setup information

.....................................................

1-16

Index to parts and controls

1-18

Section

Title

Page

MA-405 (4/79)(AUDIO PROCESS)

 

 

SCHEMATIC DIAGRAM

4-13

MA-405 (5/7)(TUNER)

 

 

SCHEMATIC DIAGRAM

4-15

MA-405 (6/7)(DISPLAY CONTROL)

 

 

SCHEMATIC DIAGRAM

4-17

MA-405 (7/7)(POWER SUPPLY)

 

 

SCHEMATIC DIAGRAM

4-19

FJ-32 (LINE-2 IN)

 

 

PRINTED WIRING BOARD AND

 

 

SCHEMATIC DIAGRAM

4-23

DI-80 (DIAL TIMER)

 

 

PRINTED WIRING BOARD AND

 

 

SCHEMATIC DIAGRAM

4-24

5INTERFACE, IC PIN FUNCTION DESCRIPTION

5-1. SYSTEM CONTROL — MECHANISM BLOCK

 

 

INTERFACE (MA-405 BOARD IC160)

5-1

5-2. SYSTEM CONTROL — SERVO PERIPHERAL

 

 

CIRCUIT INTERFACE (MA-405 BOARD IC160)

5-1

5-3. SYSTEM CONTROL — SYSTEM CONTROL

 

 

PERIPHERAL CIRCUIT INTERFACE

 

 

(MA-405 BOARD IC160)

5-2

5-4.

SYSTEM CONTROL AND RF MODULATOR

 

 

— INPUT SELECTION BLOCK INTERFACE

 

 

(MA-405 BOARD IC160)

5-2

5-5.

SYSTEM CONTROL — VIDEO/RP BLOCK

 

 

INTERFACE (MA-405 BOARD IC160)

5-2

5-6.

SYSTEM CONTROL — AUDIO BLOCK INTERFACE

 

(MA-405 BOARD IC160)

5-2

5-7.

SERVO/SYSTEM CONTROL MICROPROCESSOR

 

 

PIN FUNCTIONS (MA-405 BOARD IC160)

5-3

2

DISASSEMBLY

 

6

ADJUSTMENTS

 

2-1.

CASE, FRONT PANEL BLOCK ASSEMBLY

2-1

6-1

MECHANICAL ADJUSTMENTS

6-1

2-2.

DI-80 BOARD, FJ-32BOARD

2-1

6-2.

ELECTRICAL ADJUSTMENTS

6-1

2-3.

REAR PANEL

2-2

2-1. PREPARATION BEFORE ADJUSTMENT

6-1

2-4.

MA-405 BOARD

2-2

2-1-1. Equipment Required

6-1

2-5.

MECHANISM DECK

2-3

2-1-2. Equipment Connection

6-1

2-6.

INTERNAL VIEWS

2-4

2-1-3. Set-up of Adjustment

6-1

2-7.

CIRCUIT BOARDS LOCATION

2-5

2-1-4. Alignment Tape

6-1

3

BLOCK DIAGRAMS

 

2-1-5. Input/Output Levels and Impedance

6-2

 

2-1-6. Adjustment Sequence

6-2

3-1. OVERALL BLOCK DIAGRAM

3-1

2-2. POWER SUPPLY CHECK

6-2

3-2. VIDEO BLOCK DIAGRAM

3-3

2-2-1. Output Voltage Check (MA-405 Board)

6-2

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

3-5

2-3. SERVO SYSTEM CHECK

6-3

3-4. TUNER BLOCK DIAGRAM

3-7

2-3-1. RF Switching Position Adjustment (MA-405 Board) ...

6-3

3-5. AUDIO BLOCK DIAGRAM

3-9

2-4. AUDIO SYSTEM ADJUSTMENT

6-3

3-6.

POWER BLOCK DIAGRAM

3-11

2-4-1. Hi-Fi Audio System Adjustment (Hi-Fi model only) ...

6-3

4

PRINTED WIRING BOARDS AND

 

2-4-2. HiFi Switching Position Adjustment (MA-405 Board) 6-4

 

2-4-3. Normal Audio System Adjustment

6-4

 

SCHEMATIC DIAGRAMS

 

2-4-4. Audio Level and Distortion Check

6-4

4-1.

FRAME SCHEMATIC DIAGRAM

4-3

2-4-5. Audio Noise Check

6-4

4-2.

PRINTED WIRING BOARDS AND SCHEMATIC

 

 

2-4-6. ACE Head Adjustment

6-4

 

DIAGRAMS

4-5

 

2-4-7. E-E Output Level Check

6-4

 

MA-405 (VIDEO, AUDIO, SERVO/SYSTEM

 

 

 

2-4-8. Frequency Response Check

6-4

 

CONTROL, TUNER, POWER)

 

 

 

2-5. ADJUSTING PARTS LOCATION DIAGRAM

6-6

 

PRINTED WIRING BOARD

4-5

 

 

 

 

 

MA-405 (1/7)(REC/PB HEAD AMP)

 

7

REPAIR PARTS LIST

 

 

SCHEMATIC DIAGRAM

4-7

7-1.

EXPLODED VIEWS

7-1

 

MA-405 (2/7)(Y/C, AUDIO PROCESS)

 

7-1-1. FRONT PANEL AND UPPER CASE SECTION

7-1

 

SCHEMATIC DIAGRAM

4-9

7-1-2. CHASSIS SECTION

7-2

 

MA-405 (3/7)(SERVO/SYSTEM CONTROL)

 

7-1-3. MECHANISM DECK SECTION-1

7-3

 

SCHEMATIC DIAGRAM

4-11

7-1-4. MECHANISM DECK SECTION-2

7-4

 

 

 

7-1-5. MECHANISM DECK SECTION-3

7-5

 

 

 

7-2.

ELECTRICAL PARTS LIST

7-6

— 3 —

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Sony LX60S, LX40 Table of Contents, Service Note, General, INTERFACE, IC PIN Function Description, Disassembly Adjustments