Sony KV-21SE43C, KV-20S90 service manual KG KB G2 CRT

Page 28

KV-20S90 / 21SE43C

C BOARD SCHEMATIC DIAGRAM

1

2

3

4

5

6

KG KB G2

A

CRT

27V: TIGER

H

—

HV

CV

KR G1

G4

CN1754

E

:PIN-J

B

TAB(CONTACT)

1

—

C

TO A BOARD T504 FV

J1751

F GND

—

G2

1

1

CN1753

C1752

R1760

I.C

0.0047

100k

1P

2kV

1/2W

12

4

TO A BOARD T504 G2

E

GND

G1

11

5

R1761

KB

10

6

D

1.8

KG

9

7

3W

H

8

D1758

:RS

G2

H

KR

RGP10GPKG23

200V

G

—

R

R1770

R1759

560k

100

IC1751

B

1/2W

1/2W

TDA6108JF/N1B

CRT DRIVER

C1755

E

2.2

2

160V

1

3

NI B

NI G

NI R

DNG

TUO R

TUO G

TUO B

R1758

KI

DDV

1k

1/2W

R1756

R1757

1

2

3

4

5

6

7

8

9

1k

1k

—

1/2W

1/2W

R1765

L1751

R

100

C1751

R1764

10

250V

G

100

F

200V

B

R1763

+B

100

CN1752

5P

R OUT

D1756

D1754

D1755

:S-MICRO

1SS83TD

1SS83TD

1SS83TD

— TO A BOARD

IK

1

TP47R

B OUT

R

2

CN301

G

3

TP47B

B

4

G

E

5

H

6

TO A BOARD

E

5

CN502

N.C.

4

—

200V

3

N.C.

2

+B

1

+B

CN1751

H

6P

:S-MICRO

CRT DRIVE

)

—

( RBG DRIVER

BA4D-905-C

— 28 —

Image 28

Contents Trinitron Color Television Table of Contents Specifications LbsSAFETY-RELATED Component Warning Safety CHECK-OUT Leakage TestSELF-DIAGNOSTIC Function Self DiagnosisSelf-Diagnostic Screen Display Self DiagnosticChassis 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 Convergenge Vertical Static ConvergenceDynamic Convergence Adjustment SCREEN-CORNER ConvergenceFocus Screen G2Service Adjustment Mode Memory Service Adjustment ModeWhite Balance Adjustments Safety Related Adjustments HOLD-DOWN ReadjustmentB+ Voltage Confirmation and Adjustment Preparation Before ConfirmationDigital Power Multimeter Supply DigitalCircuit Adjustments Data Initial Average Adjustment Items 1Function Range Data Video Board Adjustments Frequency Adjustment Adjustment Items 2ID MAP SUB Contrast Adjustment Rdrv Display Position Adjustment DispSUB Bright Adjustment Sbrt SUB HUE, SUB Color Adjustment SHUE, ScolSize Adjustment Vsiz Center Adjustment VposCenter Adjustment Hpos Linearity VLIN, V. CorrectionDiagrams Printed Wiring Board and Schematic Diagram InformationCircuit Boards Location Reference InformationBlock Diagram and Schematics DY AssyBoard Schematic Diagram INTBoard Variant Model List REF. no LocationBoard IC Block Diagrams Board IC Voltage ListIC521 NJM4558M-TE2 PIN VoltIC301 CXA2133BS Cvco DemodBoard Locator List DiodeTransistor CrystalsKG KB G2 CRT RGB DRIVE, CRT Drive Semiconductors Exploded Views Chassis KV-20S90/21SE43CElectrical Parts List REF. noCeramic Connector FuseJack Chip ConductorCoil Photo CouplerMetal Chip Metal Switch RelayTuner VaristorAccessories and Packaging Remote Commander2LA 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 PolarizationCleaning OverloadingObject and Liquid Entry AttachmentsPower-Cord Protection AccessoriesVentilation Antenna Grounding According to the NEC Outdoor Antenna GroundingLightning Damage Requiring Service Replacement PartsSafety Check ServicingPage Contents Page Trinitron Color TV Features IntroductionBatteries for the Remote Control About this ManualBasic Connections TV with indoor or outdoor antenna, or Catv cableTV and VCR Connecting Additional EquipmentRear of TV TV and Cable Box Cable Box Rear of TVTV, VCR, and Cable box VCRConnecting a Camcorder Connecting HeadphonesPage Using the Remote Control and Basic Functions Button DescriptionIf you lost your remote control, see Setting Up the TV Automatically To perform Auto Setup againQuick Start to the Menus MenuTo access a menu Using the Video menuPress f to Press F to Using the Audio menu KV-20S90 onlyUsing the Timer menu ON/OFF Timer Scheduled viewingUsing the SET UP menu Favorite Channel Quick access to favorite channelsChannel SET UP menu CableUsing Parental Control Contents Defined asOverview of the Ratings AgePG-13 Rating Defined asNC-17 C8+ 14+18+ RatingInitial access into Parental Control Activating Parental LockUsing the Custom menu Setting the RatingRating TV will allow a maximum rating Resetting your password Information for ParentsPage Troubleshooting Remote control To be cleanedLost password Cable stations don’t seem to workSpecifications 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 SchematicsON-SCREEN Search Option Original Manual Issue Date 4/2001