Sharp 21G-FX10L User Manual

SERVICE MANUAL
COLOUR TELEVISION
Chassis No. GA6
21G-FX10L
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 indentical to those specified should be used.
S9914021GFX10L
MODEL
ELECTRICAL SPECIFICATIONS
Chassis No. GA8P
CONTENTS
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................................... 1-1
Page
LOCATION OF USER’S CONTROL ...................................................................................................................... 2-1
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................................. 3-1
SERVICE MODE ..................................................................................................................................................... 4-1
ADJUSTMENT METHOD ........................................................................................................................................ 5-1
WAVEFORMS ......................................................................................................................................................... 6-1
CHASSIS LAYOUT ................................................................................................................................................. 7-1
BLOCK DIAGRAM .................................................................................................................................................. 8-1
DESCRIPTION OF SCHEMATIC DIAGRAM .......................................................................................................... 9-1
SCHEMATIC DIAGRAMS ......................................................................................................................................10-1
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................................... 11-1
Parts Guide
POWER INPUT............................AC 110-220 V, 50/60 Hz
POWER RATING .....................................................89W
PICTURE SIZE .............................1,239 cm
2
(192sq inch)
CONVERGENCE ............................................. Magnetic
SWEEP DEFLECTION .................................. .. Magnetic
FOCUS ......................................................... 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... ...................... 3.0 W(RMS) x 2pcs
SPEAKER
SIZE ........................................................ 9 x 5cm, 2pcs
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
(EIA, Channel Plan U.S.A.)
Specifications are subject to change without
prior notice.
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
21G-FX10L

Sharp 21G-FX10L Specifications

General

Brand	Sharp
Model	21G-FX10L
Category	TV
Language	English

Summary

Important Service Safety Precautions

Location of User's Control

Front AV and Rear AV Controls

Details the AV input and control locations on the front and rear panels.

Remote Control Overview

Explains the functions of each button on the remote control unit.

Installation and Service Instructions

Circuit Protection

Details the receiver's fuse and its role in circuit protection.

X-Radiation Protector Circuit Test

Procedure to test the X-radiation protection circuit after servicing.

High Voltage Check

Instructions for checking and verifying the high voltage output is within safe limits.

Service Mode

Entering and Exiting Service Mode

Details how to switch to and cancel the service mode using various key combinations.

Service Mode Operations and Prohibitions

Explains user data settings, OSD display behavior, and prohibited operations during service mode.

Adjustment Method

Memory Map Data

Describes the memory map data structure and service mode stages.

Auto Adjustment Items

Details auto adjustment procedures for H-VCO, RF-AGC, PIF-VCO, and S-TRAP.

Adjustment Data Tables

Lists EEPROM items for first, second, and third stage adjustments with detailed data and settings.

Waveforms

Chassis Layout

Block Diagram

Description of Schematic Diagram

Schematic Diagrams

Printed Wiring Board Assemblies

Parts Guide

Picture Tube Parts

Lists part codes and descriptions for the picture tube.

Main Unit Parts

Lists all part codes, descriptions, and ranks for the main unit components.

CRT Unit Parts

Lists part codes and descriptions for the CRT unit components.

Cabinet Parts

Details the part codes and descriptions for the television's cabinet components.

Miscellaneous Parts

Lists various miscellaneous parts such as AC cords and speakers.

Supplied Accessories

Lists items supplied with the product, like remote control and manual.

Packing Parts

Lists packing materials and parts, which are not replacement items.