Sharp 14D2-G

14D1-S/G/W
14D2-S/G
1
SERVICE MANUAL
COLOUR TELEVISION
MODELS 14D1-S/G/W, 14D2-S/G
14D1-S/G/W
14D2-S/G
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable
parts inside. Refer servicing to qualified service personnel.
SERVICE MANUAL
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
MODELS
SHARP CORPORATION
COLOUR TELEVISION
Chassis No. GA-1AM
FEATURES
Ë
Multi 18 systems
Ë
Full Auto Channel Preset and Auto Channel Skip
Ë
100-CH Program Memory
Ë
CATV(Hyper Band) Ready
<Used Frequency Synthesizer Tuner>
Ë
AVL(Sound Keeper) Function
Ë
Black Stretch Circuit
Ë
On Timer/Sleep Timer/Reminder Timer
Ë
Blue Back Noise Mute
Ë
Front Headphone Terminal
Ë
Front AV-In & Rear AV-In/Out Terminals
(Front Priority)
Ë
Colour Comb Filter(NTSC only)
Ë
High Contrast Picture
Ë
Hotel Mode
Ë
Arabic/Chinese/English/French/Malay/Russian
6 Languages OSD
Ë
White Temperature Adjustment
14D1-S/G/W 14D2-S/G
Page
CONTENTS
Page
» SPECIFICATIONS ............................................. 2
» IMPORTANT SERVICE NOTES ........................2
» ADJUSTMENT PRECAUTIONS........................ 3
» MEMORY MAP ................................................ 11
» GA1 HOTEL MODE APPLICATION ................ 15
» TROUBLE SHOOTING TABLE ........................15
» WAVEFORMS..................................................18
» SOLID STATE DEVICE BASE DIAGRAM ....... 20
» CHASSIS LAYOUT ..........................................21
» BLOCK DIAGRAM ........................................... 23
» DESCRIPTION OF SCHEMATIC DIAGRAM .. 28
» SCHEMATIC DIAGRAM
Ë
CRT UNIT.....................................................29
Ë
HEAD PHONE UNIT .................................... 29
Ë
MAIN UNIT ...................................................30
» PRINTED WIRING BOARD ASSEMBLIES .....34
» REPLACEMENT PARTS LIST
Ë
ELECTRICAL PARTS
MAIN UNIT ................................................... 39
CRT UNIT.....................................................42
HEAD PHONE UNIT .................................... 43
Ë
SUPPLIED ACCESSORIES......................... 43
Ë
PACKING PARTS......................................... 43
Ë
CABINET PARTS ......................................... 44
» PACKING OF THE SET...................................45
SX2T914D-1S//

Sharp 14D2-G Specifications

General

Display Type	CRT
Weight	14 kg
Screen Size	14 inches
HDMI Ports	No
USB Ports	No
Color System	PAL/SECAM/NTSC
Audio Output	1 W
Input Voltage	220-240 V

Summary

Television Overview and Safety

Model, Features, and Specifications

Details the television's models, key features, and technical specifications.

Critical Safety Warning for Servicing

Highlights essential safety precautions for servicing the television unit.

Service Mode and Adjustment Protocols

Service Mode Entry and Precautions

Guides on entering service mode, factory presetting, and general adjustment precautions.

Service Mode Operations and Controls

Details remote commands, service items, and various adjustment modes.

EEPROM Data and Initialization Procedures

Explains EEPROM items, addresses, and the procedure for initialization.

Initial Setup and Factory Default Settings

Covers initial channel setting, shipping checks, and model-specific factory defaults.

Picture Calibration and Troubleshooting

Picture Adjustment Procedures

Details calibration for purity, PIF, convergence, white balance, and color.

Troubleshooting Common Television Issues

Provides diagnostic steps for common problems like no raster, hotel mode, and sync issues.

Waveform Analysis for Diagnostics

Displays waveform examples for troubleshooting and diagnosing circuit faults.

Technical Diagrams and Parts Reference

Solid State Device Pinout Diagrams

Provides base diagrams and pin configurations for various solid-state devices.

Chassis Layouts and Block Diagrams

Illustrates component placement, chassis layouts, and functional block diagrams.

Circuit Schematics and Printed Wiring Boards

Detailed circuit schematics and PCB layouts for television units.

Replacement Parts List

Comprehensive list of replacement parts with part numbers and descriptions.

Cabinet Parts and Packing Information

Cabinet Parts and Location Guide

Lists part numbers and locations for various cabinet components.

Set Packing and Shipping Procedure

Details the materials and steps required for packing the television set.