Sony TRINITRON KV-38FX250 User Manual

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KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
TRINITRON ® COLOR TV
MODEL DEST. COMMANDER CHASSIS NO.
KV-32FS10 U.S. RM-Y168 SCC-S32B-A
KV-32FS10 CND RM-Y168 SCC-S33B-A
KV-36FS10 U.S. RM-Y168 SCC-S32C-A
KV-36FS10 CND RM-Y168 SCC-S33C-A
KV-32FV15 U.S. RM-Y171 SCC-S32D-A
KV-32FV15 CND RM-Y171 SCC-S33D-A
KV-34FV10 E RM-Y168 SCC-S34E-A
KV-34FV15 E RM-Y171 SCC-S34F-A
KV-34FV15C E RM-Y171 SCC-S34G-A
KV-34FV15K KOREA RM-Y149A SCC-S31B-A
KV-34FV15T TAIWAN RM-Y171 SCC-S36A-A
KV-36FV15 U.S. RM-Y171 SCC-S32G-A
KV-36FV15 CND RM-Y171 SCC-S33G-A
KV-38FV15K KOREA RM-Y149A SCC-S31C-A
KV-34FX250C E RM-Y170 SCC-S34H-A
KV-38FX250 E RM-Y170 SCC-S34M-A
KV-38FX250C E RM-Y170 SCC-S34J-A
KV-38FX250T TAIWAN RM-Y170 SCC-S36B-A
KV-32XBR250 U.S. RM-Y170 SCC-S32E-A
KV-32XBR250 CND RM-Y170 SCC-S33E-A
KV-36XBR250 U.S. RM-Y170 SCC-S32F-A
KV-36XBR250 CND RM-Y170 SCC-S33F-A
KV-36XBR250
SERVICE MANUAL
CHASSIS
AA-2W
RM-Y170

Sony TRINITRON KV-38FX250 Specifications

General

Screen Size	38 inches
Display Technology	CRT
Aspect Ratio	4:3
Audio	Stereo
Video Interface	Composite, S-Video
Input Ports	Composite, S-Video
Weight	Approx. 205 lbs (93 kg)
Sound Output	10W + 10W

Summary

Safety Precautions

General Caution and Warning Statements

Safety advice regarding electrical shock, handling, and component replacement.

Safety Check-Out Procedures

Essential checks after repair, including leakage tests and earth ground identification.

General Information and Connections

Making Connections Overview

Guide to connecting various external equipment like VCRs, cable boxes, and audio systems.

TV Setup and Antenna/Cable Connections

Instructions for initial TV setup and connecting antennas or cable systems.

Remote Control Operation

Instructions for programming the remote control to operate external video equipment.

Disassembly Procedures

Rear Cover and Chassis Removal

Steps for removing the rear cover and chassis assembly from the TV.

Picture Tube Removal

Detailed steps for safely removing the CRT picture tube, including anode-cap handling.

Set-Up Adjustments

Beam Landing and Convergence Adjustments

Procedures for adjusting beam landing, static, dynamic, and screen-corner convergence.

Focus, Screen (G2), and White Balance Adjustments

Procedures for adjusting focus, screen grid voltage, and white balance settings.

Safety-Related Adjustments

B+ Voltage Confirmation and Adjustment

Procedure for confirming and adjusting critical B+ voltage levels for safety.

Circuit Adjustments

Service Adjustment Mode Procedure

Steps to enter and navigate the TV's service adjustment mode for calibration.

Service Data Parameters

Table listing service parameters, data ranges, and initial values for adjustments.

Diagrams and Schematics

Block Diagrams (1/5 to 5/5)

Visual representation of the TV's functional blocks and signal flow.

Printed Wiring Boards and Schematics

Detailed diagrams of printed wiring boards and electronic schematics for all boards.

Exploded Views

Chassis and Picture Tube Exploded Views

Diagrams illustrating the physical layout and part numbers for chassis and picture tube components.

Electrical Parts List

Board-Specific Parts Lists

Detailed lists of electrical components for each major circuit board.

Accessories and Remote Commander

List of included accessories, packing materials, and the remote commander.