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

Page 1

		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

Image 1

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 DisplayChassis 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 ConvergengeSCREEN-CORNER Convergence Dynamic Convergence AdjustmentFocus Screen G2Service Adjustment Mode Memory Service Adjustment ModeWhite Balance Adjustments HOLD-DOWN Readjustment Safety Related AdjustmentsB+ Voltage Confirmation and Adjustment Preparation Before ConfirmationDigital Digital Power Multimeter SupplyCircuit 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, ScolCenter Adjustment Vpos Size Adjustment VsizCenter Adjustment Hpos Linearity VLIN, V. CorrectionPrinted Wiring Board and Schematic Diagram Information DiagramsCircuit Boards Location Reference InformationDY Assy Block Diagram and SchematicsINT Board Schematic DiagramREF. no Location Board Variant Model ListBoard IC Voltage List Board IC Block DiagramsIC521 NJM4558M-TE2 PIN VoltCvco Demod IC301 CXA2133BSDiode Board Locator ListTransistor CrystalsKG KB G2 CRT RGB DRIVE, CRT Drive Semiconductors Chassis KV-20S90/21SE43C Exploded ViewsREF. no Electrical Parts ListCeramic Fuse ConnectorChip Conductor JackCoil Photo CouplerMetal Chip Metal Relay SwitchTuner VaristorRemote Commander Accessories and Packaging2LA 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 PolarizationOverloading CleaningObject and Liquid Entry AttachmentsPower-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 FeaturesAbout this Manual Batteries for the Remote ControlTV with indoor or outdoor antenna, or Catv cable Basic ConnectionsTV and VCR Connecting Additional EquipmentRear of TV 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 MenusTo access a menu Using the Video menuPress f to Press F to 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 menuContents Defined as Using Parental ControlOverview of the Ratings AgePG-13 Rating Defined asNC-17 14+ C8+18+ RatingActivating Parental Lock Initial access into Parental ControlUsing 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 workFor 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 SchematicsON-SCREEN Search Option Original Manual Issue Date 4/2001