Sony KV-21SE43C service manual Exploded Views, Chassis KV-20S90/21SE43C

Page 31

KV-20S90 / 21SE43C

SECTION 6: EXPLODED VIEWS

Components not identified by a part number or description are not stocked because they are seldom required for routine service.

The component parts of an assembly are indicated by the reference numbers in the far right column of the parts list and within the dotted lines of the diagram.

*Items marked with an asterisk are not stocked since they are seldom required for routine service. Expect

some delay when ordering these components.

NOTE: The components identified by shading and ! mark are critical for safety.

Replace only with part number specified.

NOTE: Les composants identifies par un trame et une marque ! sont critiques pour la securite. Ne les remplacer que par une piece portant le numero specifie.

6-1. CHASSIS (KV-20S90/21SE43C)

20

 

 

 

 

 

 

7-685-648-71

SCREW +BVTP 3 x 12 TYPE 2 IT-3

 

 

 

 

7-685-663-11

SCREW +BVTP 4X16 TYPE2 N-S

 

21

 

 

 

 

4-365-808-01

SCREW (5), TAPPING

18

22

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

 

 

13

 

19

7

6

24

11

12 10

5

9

4

16

17

14

15

1

3

2

8

6

REF. NO.

PART NO.

DESCRIPTION

[Assembly Includes]

REF. NO.

PART NO.

DESCRIPTION

[Assembly Includes]

1X-4038-954-1 BEZNET ASSY (KV-21SE43C ONLY) [2-5]

1

X-4038-691-1

BEZNET ASSY (KV-20S90 ONLY) [2-5]

24-062-604-01 DOOR (KV-20S90 ONLY)

24-062-604-21 DOOR (KV-21SE43C ONLY)

34-046-161-01 EMBLEM (NO.8), SONY

4

4-062-607-01

GUIDE, LED

54-062-603-31 BUTTON, MULTI (KV-21SE43C ONLY)

54-062-603-21 BUTTON, MULTI (KV-20S90 ONLY)

61-505-930-11 SPEAKER (9X5CM) (KV-21SE43C ONLY)

61-505-831-11 SPEAKER (9X5CM) (KV-20S90 ONLY)

 

7

4-053-005-01

SPACER, DY

!

8

8-738-843-05

CRT 21NXT (FOR SOUTH) (KV-21SE43C ONLY)

!

8

8-738-842-05

CRT 21NXT (KV-20S90 ONLY)

 

 

 

 

!

9

8-451-440-21

DY Y21NXA-X

*

10

A-1331-917-A

C MOUNTED PC BOARD

*

11

A-1299-480-A

A COMPLETE PC BOARD (KV-21SE43C ONLY)

*

11

A-1299-466-A

A COMPLETE PC BOARD (KV-20S90 ONLY)

The high-voltage leads associated with the FBT on this board are not included and must be ordered separately (See 21-23).

*

12

4-375-394-01

SPRING, TENSION

*! 13

1-416-571-11

COIL, DEMAGNETIC (KV-21SE43C ONLY)

*! 13

1-416-572-21

COIL, DEMAGNETIC (KV-20S90 ONLY)

! 14

1-790-001-21

CORD, AC POWER (WITH CONNECTOR)

 

 

 

(KV-20S90 ONLY)

! 14

1-769-796-71

CORD, POWER (WITH CONNECTOR)

 

 

 

(KV-21SE43C ONLY)

 

15

1-766-374-11

PLUG, F-PIN

 

16

4-081-410-01

COVER, REAR

173-704-372-71 HOLDER, HV CABLE

184-083-415-01 PIECE A(75), CONV. CORRECT

191-452-032-00 MAGNET,DISC

! 20

1-453-283-21

FBT ASSY NX-1744/X4E4

[21-23]

! 21

1-251-643-41

HV CAP ASSY

 

! 22

1-900-800-65

FOCUS LEAD

 

! 23

1-900-803-22

G2 LEAD

 

! 24

8-598-542-20

TUNER FSS BTF-WA412

 

— 31 —

Image 31
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 G2 Dynamic Convergence AdjustmentSCREEN-CORNER Convergence FocusService Adjustment Mode Memory Service Adjustment ModeWhite Balance Adjustments Preparation Before Confirmation Safety Related AdjustmentsHOLD-DOWN Readjustment B+ Voltage Confirmation and AdjustmentDigital Digital Power Multimeter SupplyCircuit Adjustments Data Initial Average Adjustment Items 1Function Range Data Video Board Adjustments Frequency Adjustment Adjustment Items 2ID MAP 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 EntryPower-Cord Protection AccessoriesVentilation Antenna Grounding According to the NEC Outdoor Antenna GroundingLightning 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 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 menuAge Using Parental ControlContents Defined as Overview of the RatingsPG-13 Rating Defined asNC-17 Rating C8+14+ 18+Activating 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 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