Sony KV-21FV300 User Manual

TRINITRON
®
COLOR TELEVISION
SERVICE MANUAL BA-6 CHASSIS
MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.
9-965-922-02
KV-20FS100 RM-Y173 US SCC-S61A-A
KV-20FS100 RM-Y173 CND SCC-S59A-A
KV-20FV300 RM-Y180 US SCC-S61B-A
KV-20FV300 RM-Y180 CND SCC-S59B-A
KV-21FM100 RM-Y172 LATIN NORTH SCC-S60E-A
KV-21FM100 RM-Y172 LATIN SOUTH SCC-S60F-A
KV-21FS100 RM-Y173 LATIN NORTH SCC-S60A-A
KV-21FS100 RM-Y173 LATIN SOUTH SCC-S60B-A
KV-21FV300 RM-Y180 LATIN SOUTH SCC-S60D-A
KV-21FV300 RM-Y180 LATIN NORTH SCC-S60C-A
KV-24FV300 RM-Y180 US SCC-S61C-A
KV-24FV300 RM-Y180 CND SCC-S59C-A
KV-25FV300 RM-Y180 LATIN NORTH SCC-S60G-A
KV-25FV300 RM-Y180 LATIN SOUTH SCC-S60H-A
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 2/2002
ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE.
REVISION DATE REVISION TYPE SUBJECT
2/2002 No revisions or updates are applicable at this time.
2/2002 Supplement - 1 New A Board Schem. and PWB, New CV Board Schem., New M3 Board Schem.,
R039, R565, R1761 P/N Correction.

Sony KV-21FV300 Specifications

General

Screen Size	21 inches
Display Type	CRT
Resolution	480i
Aspect Ratio	4:3
Trinitron	Yes
Speakers	Stereo
Resolution Type	Standard Definition
Inputs	Composite, S-Video

Summary

SECTION 1: DISASSEMBLY

1-1. REAR COVER REMOVAL

Procedure for removing the rear cover of the television set.

1-2. CHASSIS ASSEMBLY REMOVAL

Steps to remove the main chassis assembly from the TV.

1-3. SERVICE POSITION

How to position the chassis for servicing.

1-4. PICTURE TUBE REMOVAL

Instructions for safely removing the CRT picture tube.

SECTION 2: SET-UP ADJUSTMENTS

2-1. BEAM LANDING

Adjusting the electron beam for proper screen convergence.

2-2. CONVERGENGE

Aligning the red, green, and blue dots on the screen.

2-3. FOCUS

Adjusting the picture sharpness and clarity.

2-4. SCREEN (G2)

Setting the screen grid voltage for proper brightness.

2-5. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE

Procedure to enter the TV's service adjustment mode.

2-6. WHITE BALANCE ADJUSTMENTS

Calibrating the color temperature and accuracy.

SECTION 3: SAFETY RELATED ADJUSTMENTS

3-1. R565 CONFIRMATION METHOD (HV HOLD-DOWN CONFIRMATION) AND READJUSTMENTS

Verifying and adjusting HV hold-down for safety.

3-2. B+ VOLTAGE CONFIRMATION AND ADJUSTMENT

Checking and adjusting the B+ voltage supply.

SECTION 4: CIRCUIT ADJUSTMENTS

4-1. SETTING THE SERVICE ADJUSTMENT MODE

Entering the service mode for circuit adjustments.

4-2. MEMORY WRITE CONFIRMATION METHOD

Verifying that adjustments are saved correctly.

4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS

Identifying remote control buttons used for adjustments.

4-4. ID MAP TABLE

Table mapping model/destination to specific ID settings.

4-5. A BOARD ADJUSTMENTS

Specific adjustments related to the A Board components.

SECTION 5: DIAGRAMS

5-1. CIRCUIT BOARDS LOCATION

Identifying the physical location of main circuit boards.

5-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM INFORMATION

Explains symbols and conventions used in diagrams.

5-3. BLOCK DIAGRAM AND SCHEMATICS

Overall system block diagram and detailed schematics.

5-4. SEMICONDUCTORS

Visual identification of common semiconductor components.

SECTION 6: EXPLODED VIEWS

6-1. CHASSIS (KV-21FM100 ONLY)

Exploded view of the chassis for KV-21FM100 models.

6-2. CHASSIS (KV-20FS100/21FS100 ONLY)

Exploded view of the chassis for KV-20FS100/21FS100 models.

6-3. CHASSIS (KV-20FV300/21FV300 ONLY)

Exploded view of the chassis for KV-20FV300/21FV300 models.

6-4. CHASSIS (KV-24FV300/25FV300 ONLY)

Exploded view of the chassis for KV-24FV300/25FV300 models.

SECTION 7: ELECTRICAL PARTS LIST

A BOARD COMMON PARTS LIST

List of common parts used across multiple A boards.

A BOARD VARIANT PARTS LIST

List of parts specific to different A board versions.

CV BOARD COMPLETE PARTS LIST

Complete parts list for the CV board.

HR BOARD COMPLETE PARTS LIST

Complete parts list for the HR board.

M3 BOARD COMPLETE PARTS LIST

Complete parts list for the M3 board.

ACCESSORIES AND PACKING

List of included accessories and packing information.