Disassembly, Rear Cover Removal | Sony KV-21SE43C, KV-20S90 specs

KV-20S90 / 21SE43C

SECTION 1: DISASSEMBLY

1-1. REAR COVER REMOVAL

2 Screws +BVTP 4x16

Rear Cover

Screw +BVTP 4x16

Screw +BVTP 4x16

1-2. CHASSIS ASSEMBLY REMOVAL

1-3. SERVICE POSITION

Claw

Chassis Assembly

C Board

A Board

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Sony KV-21SE43C, KV-20S90 service manual Disassembly, Rear Cover Removal, Chassis Assembly Removal Service Position

Contents

Trinitron Color Television Table of Contents Specifications Lbs SAFETY-RELATED Component Warning Safety CHECK-OUT Leakage Test SELF-DIAGNOSTIC Function Self Diagnosis Self-Diagnostic Screen Display Self Diagnostic Rear Cover Removal DisassemblyChassis Assembly Removal Service Position Picture Tube Removal Anode CAP Removal ProcedureHOW to Handle AN Anode CAP Beam Landing SET-UP AdjustmentsAdjustment Procedure Convergenge Vertical Static Convergence Dynamic Convergence Adjustment SCREEN-CORNER ConvergenceFocus Screen G2 White Balance Adjustments Service Adjustment ModeService Adjustment Mode Memory Safety Related Adjustments HOLD-DOWN ReadjustmentB+ Voltage Confirmation and Adjustment Preparation Before Confirmation Digital Power Multimeter Supply Digital Circuit Adjustments Function Range Data Video Adjustment Items 1Data Initial Average ID MAP Adjustment Items 2Board Adjustments Frequency Adjustment SUB Contrast Adjustment Rdrv Display Position Adjustment DispSUB Bright Adjustment Sbrt SUB HUE, SUB Color Adjustment SHUE, Scol Size Adjustment Vsiz Center Adjustment VposCenter Adjustment Hpos Linearity VLIN, V. Correction Diagrams Printed Wiring Board and Schematic Diagram InformationCircuit Boards Location Reference Information Block Diagram and Schematics DY Assy Board Schematic Diagram INT Board Variant Model List REF. no Location Board IC Block Diagrams Board IC Voltage ListIC521 NJM4558M-TE2 PIN Volt IC301 CXA2133BS Cvco Demod Board Locator List DiodeTransistor Crystals KG KB G2 CRT RGB DRIVE, CRT Drive Semiconductors Exploded Views Chassis KV-20S90/21SE43C Electrical Parts List REF. no Ceramic Connector Fuse Jack Chip ConductorCoil Photo Coupler Metal Chip Metal Switch RelayTuner Varistor Accessories and Packaging Remote Commander 2LA TX 1C 3LA TX NIL BA ADS LCS IRD CCV +EVIRD Trinitron Color TV Page Safety Precautions Notification Important Safeguards Power SourcesFor the set with a polarized AC power cord plug Grounding or Polarization Cleaning OverloadingObject and Liquid Entry Attachments Ventilation AccessoriesPower-Cord Protection Lightning Outdoor Antenna GroundingAntenna Grounding According to the NEC Damage Requiring Service Replacement PartsSafety Check ServicingPage Contents Page Trinitron Color TV Features Introduction Batteries for the Remote Control About this Manual Basic Connections TV with indoor or outdoor antenna, or Catv cable Rear of TV Connecting Additional EquipmentTV and VCR TV and Cable Box Cable Box Rear of TV TV, VCR, and Cable box VCR Connecting a Camcorder Connecting HeadphonesPage Using the Remote Control and Basic Functions Button Description If you lost your remote control, see Setting Up the TV Automatically To perform Auto Setup again Quick Start to the Menus Menu Press f to Press F to Using the Video menuTo access a menu Using the Audio menu KV-20S90 only Using the Timer menu ON/OFF Timer Scheduled viewing Using the SET UP menu Favorite Channel Quick access to favorite channels Channel SET UP menu Cable Using Parental Control Contents Defined asOverview of the Ratings Age NC-17 Rating Defined asPG-13 C8+ 14+18+ Rating Initial access into Parental Control Activating Parental Lock Rating TV will allow a maximum rating Setting the RatingUsing the Custom menu Resetting your password Information for ParentsPage Troubleshooting Remote control To be cleanedLost password Cable stations don’t seem to work Specifications For all models except as notedPage Index TV Rating A. Ratings 20 Unrated Page Page Page Page Page Page NON-SCHEMATIC Pages Schematic DiagramsTo Print Full Size Schematic Diagrams To Print Tiled Version of Schematics ON-SCREEN Search Option Original Manual Issue Date 4/2001