Sharp 14D1-S

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 14D1-S Specifications

General

Brand	Sharp
Model	14D1-S
Category	TV
Language	English

Summary

General Safety Precautions

Specifications and Service Notes

Specifications

Important Service Notes

Key safety and handling guidelines for service personnel.

X-Ray Radiation Safety

Important safety information regarding X-ray emissions during operation.

Pre-Return Safety Checks

Essential safety checks to perform before returning the receiver to the user.

Service Mode and Adjustment Precautions

Adjustment Precautions

Guidelines for performing adjustments safely and correctly.

Service Mode Operations

Procedures for entering and operating the service mode.

Core Adjustment Procedures

Purity Adjustment

PIF Adjustment

CRT Cut-off, Background, and Sub-Contrast Adjustments

Adjustments for CRT cutoff, background, and sub-contrast settings.

Convergence Adjustment

Horizontal and Vertical Deflection Loop Adjustment

PAL Chroma Adjustment

NTSC Chroma Adjustment

Operation Checks and Troubleshooting

Protector Operation Checking

Procedures for checking protective circuit operations.

AV Input and Output Checking

Function Operation Checking (Video and Audio)

Troubleshooting Table

Diagnostic guide for common TV malfunctions.

Parts, Accessories, and Packing

Replacement Parts List

Catalog of all replaceable components with part numbers.