Sony KV-20S90, KV-21SE43C service manual Notification

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You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.

NOTIFICATION

This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference with radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antennas.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

Protecting the TV

To prevent internal heat build-up, do not block the ventilation openings.

Do not install the TV in a hot or humid place, or in a place subject to excessive dust or mechanical vibration.

Note on Caption Vision

This television receiver provides display of television closed captioning in accordance with § 15.119 of the FCC rules.

Use of this television for other than private viewing of programs broadcast on UHF or VHF or transmitted by cable companies for the use of the general public may require authorization from the broadcaster-cable company and/or program owner.

Owner’s Record

The model and serial numbers are located on the front cover of this manual and the rear of your TV.

Trademarks and Copyrights

ENERGY STAR® is a registered mark.

As an ENERGY STAR® Partner, Sony has determined that this product or product model meets the ENERGY STAR® guidelines for energy efficiency.

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Contents Trinitron Color Television Table of Contents Lbs SpecificationsSAFETY-RELATED Component Warning Leakage Test Safety CHECK-OUTSelf Diagnosis SELF-DIAGNOSTIC FunctionSelf Diagnostic Self-Diagnostic Screen DisplayRear 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 Vertical Static Convergence ConvergengeScreen G2 Dynamic Convergence AdjustmentSCREEN-CORNER Convergence FocusWhite Balance Adjustments Service Adjustment ModeService Adjustment Mode Memory Preparation Before Confirmation Safety Related AdjustmentsHOLD-DOWN Readjustment B+ Voltage Confirmation and AdjustmentDigital Digital Power Multimeter SupplyCircuit Adjustments Function Range Data Video Adjustment Items 1Data Initial Average ID MAP Adjustment Items 2Board Adjustments Frequency Adjustment SUB HUE, SUB Color Adjustment SHUE, Scol SUB Contrast Adjustment RdrvDisplay Position Adjustment Disp SUB Bright Adjustment SbrtLinearity VLIN, V. Correction Size Adjustment VsizCenter Adjustment Vpos Center Adjustment HposReference Information DiagramsPrinted Wiring Board and Schematic Diagram Information Circuit Boards LocationDY Assy Block Diagram and SchematicsINT Board Schematic DiagramREF. no Location Board Variant Model ListPIN Volt Board IC Block DiagramsBoard IC Voltage List IC521 NJM4558M-TE2Cvco Demod IC301 CXA2133BSCrystals Board Locator ListDiode TransistorKG KB G2 CRT RGB DRIVE, CRT Drive Semiconductors Chassis KV-20S90/21SE43C Exploded ViewsREF. no Electrical Parts ListCeramic Fuse ConnectorPhoto Coupler JackChip Conductor CoilMetal Chip Metal Varistor SwitchRelay TunerRemote Commander Accessories and Packaging2LA TX 1C 3LA TX NIL BA ADS LCS IRD CCV +EVIRD Trinitron Color TV Page Safety Precautions Notification Grounding or Polarization Important SafeguardsPower Sources For the set with a polarized AC power cord plugAttachments CleaningOverloading Object and Liquid EntryVentilation AccessoriesPower-Cord Protection Lightning Outdoor Antenna GroundingAntenna Grounding According to the NEC Servicing Damage Requiring ServiceReplacement Parts Safety CheckPage Contents Page Introduction Trinitron Color TV FeaturesAbout this Manual Batteries for the Remote ControlTV with indoor or outdoor antenna, or Catv cable Basic ConnectionsRear of TV Connecting Additional EquipmentTV and VCR Cable Box Rear of TV TV and Cable BoxVCR TV, VCR, and Cable boxConnecting Headphones Connecting a CamcorderPage Button Description Using the Remote Control and Basic FunctionsIf you lost your remote control, see To perform Auto Setup again Setting Up the TV AutomaticallyMenu Quick Start to the MenusPress f to Press F to Using the Video menuTo access a menu KV-20S90 only Using the Audio menuON/OFF Timer Scheduled viewing Using the Timer menuFavorite Channel Quick access to favorite channels Using the SET UP menuCable Channel SET UP menuAge Using Parental ControlContents Defined as Overview of the RatingsNC-17 Rating Defined asPG-13 Rating C8+14+ 18+Activating Parental Lock Initial access into Parental ControlRating TV will allow a maximum rating Setting the RatingUsing the Custom menu Information for Parents Resetting your passwordPage Troubleshooting Cable stations don’t seem to work Remote controlTo be cleaned Lost passwordFor all models except as noted SpecificationsPage Index TV Rating A. Ratings 20 Unrated Page Page Page Page Page Page To Print Tiled Version of Schematics NON-SCHEMATIC PagesSchematic Diagrams To Print Full Size Schematic DiagramsON-SCREEN Search Option Original Manual Issue Date 4/2001