Sony KV-21FX30B, KV-21FX30E service manual Table of Contents

Page 2

TABLE OF CONTENTS

Section

Title

Page

Section

Title

Page

 

Specifications

3

4. CIRCUIT ADJUSTMENTS

 

 

Connectors

4

 

 

 

 

Self Diagnostic Software

5

4-1.

Electrical Adjustments

19

 

 

 

4-2.

Test Mode 1

21

1. GENERAL

 

 

4-3.

Test Mode 2

21

 

Switching On the TV and

 

 

 

 

 

Automatically Tuning

6

5. DIAGRAMS

 

 

Introducing the Menu System

7

 

 

 

 

Menu Guide

7

5-1. Block Diagrams (1)

23

 

Teletext

10

 

Block Diagrams (2)

25

 

Specifications

11

5-2. Circuit Board Location

26

 

Troubleshooting

11

5-3. Schematic Diagrams and

 

 

 

 

 

Printed Wiring Boards

26

2. DISASSEMBLY

 

 

* C Board

27

 

 

 

 

* A Board

29

2-1. Rear Cover Removal

12

5-4.

Semiconductors

37

2-2.

Speaker Disconnection

12

5-5.

IC Blocks

39

2-3.

Speaker Box Removal

12

 

 

 

2-4.

Speaker Box Disassembly

12

6. EXPLODED VIEWS

 

2-5. A Board PWB Removal 1

13

 

 

 

2-6. A Board PWB Removal 2

13

6-1.

Chassis

40

2-7.

Service Position

13

6-2.

Picture Tube

41

2-8.

Wire Dressing

13

 

 

 

2-9.

Picture Tube Removal

14

7. ELECTRICAL PARTS LIST

42

3. SET-UP ADJUSTMENTS

 

 

 

 

3-1.

Beam Landing

15

 

 

 

3-2.

Convergence

16

 

 

 

3-3.

Focus Adjustment

18

 

 

 

3-4. Screen (G2), White Balance

18

 

 

 

CAUTION

SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE ANODE CAP.

WARNING !!

AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO THE POWER LINE.

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY SHADING AND MARKED £ ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION

APRES AVOIR DECONNECTE LE CAP DE’LANODE, COURT-CIRCUITER L’ANODE DU TUBE CATHODIQUE ET CELUI DE L’ANODE DU CAP AU CHASSIS METALLIQUE DE L’APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUBE CATHODIQUE.

ATTENTION !!

AFIN D’EVITER TOUT RISQUE D’ELECTROCUTION PROVENANT D’UN CHÁSSIS SOUS TENTION, UN TRANSFORMATEUR D’ISOLEMENT DOIT ETRE UTILISÈ LORS DE TOUT DÈPANNAGE LE CHÁSSIS DE CE RÈCEPTEUR EST DIRECTMENT RACCORDÈ Á L’ALIMENTATION SECTEUR.

ATTENTION AUX COMPOSANTS RELATIFS Á

LA SECURITÈ!!

LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE MARQUE £ SUR LES SCHÈMAS DE PRINCIPE, LES VUES EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR- TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.

2

Image 2
Contents FE-2CHASSIS Table of Contents Item Model Pin connector Rear Connection Panel Front Connection PanelFlash Timing Example e.g. error number How to enter into TableGeneral Introducing and Using the Menu System Sleep Timer Level Level 3 / Function Teletext Specifications Troubleshooting Rear Cover Removal Speaker Connector DisconnectionSpeaker Box Disassembly Speaker Box RemovalBoard PWB Removal Step Service PositionWire Dressing Removal of the Anode-Cap How to handle the Anode-CapPicture Tube Removal SET-UP Adjustments Operation of the BMC Hexapole magnet PreparationHorizontal and Vertical Static Convergence YCH Adjustment Geometry Adjustment PreparationHtil Adjustment TLV AdjustmentLayout of each control G2 adjustmentWhite balance adjustment for TV mode Focus ScreenSub Contrast Adjustment How to enter into the Service ModeSub Brightness Adjustment Deflection System Adjustment Sub Colour AdjustmentTuner AGC Adjustment Print side of a boardTest Mode Memo Block Diagrams Circuit Board Location Reference InformationBoard Waveforms Semiconductor Voltage TableSemiconductor Location Table Power SUPPLY, DEFLECTION, Audio Amplifier Page 1/2 KV-21FX30Power SUPPLY, DEFLECTION, Audio Amplifier Page 2/2 Board WaveformsSemiconductors DAN202K IC Block Diagrams Board IC1201 TDA7497PART.NO Description Cord PowerDescription Remark BRACKET, MainSPRING, Tension CLIP, Lead WireBeznet Assy CATCHER, PushSection Electrical Parts List Capacitor PART.NOElect FilmMylar Ceramic2KV ShortDiode DAN202K ConnectorPART.NO Description Remark Diode MM3Z6V8T1Jack Diode D2SB60A-F04Diode D4SBL20UF1 Diode P6KE200ASYJR7 ResistorJR4 JR9Carbon Metal FusibleSolid Varistor SWITCH, TactilThermistor Socket TAB ContactDiode Individual Carton REF.NO PART.NO Description Remark£ 1-453-314-31 Transformer ASSY, Flyback Service Promotions Dept