Sharp 21V-FR95S User Manual

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its
original condition and only parts identical to those specified should be used.
COLOR TELEVISION
Chassis No. GA-4M
MODEL
Page
ELECTRICAL SPECIFICATIONS .................................................................................................. 1
IMPORTANT SERVICE SAFETY PRECAUTION ......................................................................... 2
LOCATION OF USER'S CONTROL .............................................................................................. 4
INSTALLATION AND SERVICE INSTRUCTIONS ........................................................................ 5
SERVICE MODE ...........................................................................................................................
6
ADJUSTMENT METHOD ..............................................................................................................
CHASSIS LAYOUT ....................................................................................................................... 26
BLOCK DIAGRAM
........................................................................................................................
27
SCHEMATIC DIAGRAMS ...........................................................................................................
PRINTED WIRING BOARD ASSEMBLIES ................................................................................... 36
REPLACEMENT PARTS LIST ...................................................................................................... 40
PACKING OF THE SET ................................................................................................................ 47
CONTENTS
POWER INPUT .......................... 110-230 V AC,60 Hz
POWER RATING .............................................. 85 W
PICTURE SIZE
...................... 1,239 cm
2
(192sq inch)
CONVERGENCE ......................................... Magnetic
SWEEP DEFLECTION ............................... Magnetic
FOCUS ............................ Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ................... 45.75 MHz
Sound IF Carrier Frequency .................... 41.25 MHz
Color Sub-Carrier Frequency .................. 42.17 MHz
(Nominal)
AUDIO POWER OUTPUT RATING ...............
3 W + 3 W
SPEAKER
SIZE .......................................................
9 cm x 5 cm
VOICE COIL IMPEDANCE
...............
16 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF
..................................75 ohm Unbalanced
TUNING RANGES
VHF-Channels .......................................... 2 thru 13
UHF-Channels ........................................ 14 thru 69
CATV Channels ...................................... 1 thru 125
ELECTRICAL SPECIFICATIONS
TVSM056-21V-FR95S(SL)
Specifications are subject to change without
prior notice.
SERVICE MANUAL
SHARP (PHILS.) CORPORATION
Km. 23 West Service Road, South Super Highway Alabang, City of Muntinlupa
12
32
21V-FR95S (SL)
21V-FR95S (SL)

Sharp 21V-FR95S Specifications

General

Brand	Sharp
Model	21V-FR95S
Category	TV
Language	English

Summary

Important Service Safety Precautions

Servicing High Voltage System and Picture Tube

Procedures for safely servicing high voltage components and the picture tube.

X-Radiation and High Voltage Limits

Precautions and limits related to X-radiation and high voltage in TV receivers.

Before Returning the Receiver (Fire & Shock Hazard)

Safety checks to perform before returning the serviced unit to the customer.

Safety Notice

Information on safety-related characteristics of electrical and mechanical parts.

Location of User Controls

Installation and Service Instructions

Circuit Protection

X-Radiation Protector Circuit Test

Procedure to test the X-radiation protection circuit for proper operation.

High Voltage Check

Instructions for verifying the high voltage output within safe limits.

Service Mode

Service Mode Overview

General explanation of how to enter, exit, and navigate service modes.

Self Adjustment Procedures

H-VCO Adjustment

Steps for performing the Horizontal VCO self-adjustment.

RF-AGC Adjustment

Procedure for the RF Automatic Gain Control self-adjustment.

PIF-VCO Adjustment

Steps for performing the PIF VCO self-adjustment procedure.

Adjustment Methods and Data

First Stage Adjustment Data

Data and parameters for the initial stage of adjustment.

Auto Adjustment Items

List of items that can be adjusted automatically.

Second Stage Adjustment Data

Third Stage Adjustment Data

Printed Wiring Board Assemblies

Replacement Parts List

Tuner Parts

Integrated Circuits

Transistors

Diodes

Printed Wiring Board Assemblies

Capacitors

Resistors