Trinitron Color Television | Sony KV-20S90 instruction

		Self Diagnosis
		Supported model
SERVICE MANUAL		BA-4DCHASSIS

MODEL NAME	REMOTE COMMANDER DESTINATION	CHASSIS NO.

KV-20S90

RM-Y155 US SCC-S27NA

KV-21SE43C

RM-Y155 E SCC-S55BA

Trinitron

KV-20S90

RM-Y155

TRINITRON® COLOR TELEVISION

9-965-905-01

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Sony KV-20S90, KV-21SE43C service manual Trinitron Color Television

Contents

Trinitron Color Television Table of Contents Lbs Specifications SAFETY-RELATED Component Warning Leakage Test Safety CHECK-OUT Self Diagnosis SELF-DIAGNOSTIC Function Self Diagnostic Self-Diagnostic Screen Display Chassis Assembly Removal Service Position DisassemblyRear Cover Removal HOW to Handle AN Anode CAP Anode CAP Removal ProcedurePicture Tube Removal Adjustment Procedure SET-UP AdjustmentsBeam Landing Vertical Static Convergence Convergenge SCREEN-CORNER Convergence Dynamic Convergence AdjustmentFocus Screen G2 Service Adjustment Mode Memory Service Adjustment ModeWhite Balance Adjustments HOLD-DOWN Readjustment Safety Related AdjustmentsB+ Voltage Confirmation and Adjustment Preparation Before Confirmation Digital Digital Power Multimeter Supply Circuit Adjustments Data Initial Average Adjustment Items 1Function Range Data Video Board Adjustments Frequency Adjustment Adjustment Items 2ID MAP Display Position Adjustment Disp SUB Contrast Adjustment RdrvSUB Bright Adjustment Sbrt SUB HUE, SUB Color Adjustment SHUE, Scol Center Adjustment Vpos Size Adjustment VsizCenter Adjustment Hpos Linearity VLIN, V. Correction Printed Wiring Board and Schematic Diagram Information DiagramsCircuit Boards Location Reference Information DY Assy Block Diagram and Schematics INT Board Schematic Diagram REF. no Location Board Variant Model List Board IC Voltage List Board IC Block DiagramsIC521 NJM4558M-TE2 PIN Volt Cvco Demod IC301 CXA2133BS Diode Board Locator ListTransistor Crystals KG KB G2 CRT RGB DRIVE, CRT Drive Semiconductors Chassis KV-20S90/21SE43C Exploded Views REF. no Electrical Parts List Ceramic Fuse Connector Chip Conductor JackCoil Photo Coupler Metal Chip Metal Relay SwitchTuner Varistor Remote Commander Accessories and Packaging 2LA TX 1C 3LA TX NIL BA ADS LCS IRD CCV +EVIRD Trinitron Color TV Page Safety Precautions Notification Power Sources Important SafeguardsFor the set with a polarized AC power cord plug Grounding or Polarization Overloading CleaningObject and Liquid Entry Attachments Power-Cord Protection AccessoriesVentilation Antenna Grounding According to the NEC Outdoor Antenna GroundingLightning Replacement Parts Damage Requiring ServiceSafety Check ServicingPage Contents Page Introduction Trinitron Color TV Features About this Manual Batteries for the Remote Control TV with indoor or outdoor antenna, or Catv cable Basic Connections TV and VCR Connecting Additional EquipmentRear of TV Cable Box Rear of TV TV and Cable Box VCR TV, VCR, and Cable box Connecting Headphones Connecting a CamcorderPage Button Description Using the Remote Control and Basic Functions If you lost your remote control, see To perform Auto Setup again Setting Up the TV Automatically Menu Quick Start to the Menus To access a menu Using the Video menuPress f to Press F to KV-20S90 only Using the Audio menu ON/OFF Timer Scheduled viewing Using the Timer menu Favorite Channel Quick access to favorite channels Using the SET UP menu Cable Channel SET UP menu Contents Defined as Using Parental ControlOverview of the Ratings Age PG-13 Rating Defined asNC-17 14+ C8+18+ Rating Activating Parental Lock Initial access into Parental Control Using the Custom menu Setting the RatingRating TV will allow a maximum rating Information for Parents Resetting your passwordPage Troubleshooting To be cleaned Remote controlLost password Cable stations don’t seem to work For all models except as noted SpecificationsPage Index TV Rating A. Ratings 20 Unrated Page Page Page Page Page Page Schematic Diagrams NON-SCHEMATIC PagesTo Print Full Size Schematic Diagrams To Print Tiled Version of Schematics ON-SCREEN Search Option Original Manual Issue Date 4/2001