Sharp 27U-S60 User Manual

27U-S60
27U-S100
COLOR TELEVISION
Chassis No. C/D-BM
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.
» ELECTRICAL SPECIFICATIONS .........................................................................................................1
» IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
» LOCATION OF USER'S CONTROL .....................................................................................................4
» INSTALLATION AND SERVICE INSTRUCTIONS................................................................................6
» CHASSIS LAYOUT .............................................................................................................................12
» BLOCK DIAGRAM ..............................................................................................................................13
» SCHEMATIC DIAGRAMS ...................................................................................................................14
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................20
» REPLACEMENT PARTS LIST ............................................................................................................23
» PACKING OF THE SET ......................................................................................................................31
Page
SHARP CORPORATION
CONTENTS
SERVICE MANUAL
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
MODELS
POWER INPUT .................................................... 120 V AC 60 Hz
POWER RATING ..................................................................105 W
PICTURE SIZE ........................................... 2,187cm
2
(339sq 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 ..................... 1.5W + 1.5W (at 10% distortion
and Dual CH Operate)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...............................................................9x5cm (Oval type)
VOICE COIL IMPEDANCE ............................ 32 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.
27U-S60
27U-S100
S42H827U-S60/

Sharp 27U-S60 Specifications

General

Screen Size	27 inches
Display Type	LED-backlit LCD
HDR	No
Smart TV	No
Aspect Ratio	16:9
Resolution	1920 x 1080
Ports	HDMI, Component, Composite, Headphone
Inputs	HDMI, Composite, Component
Speakers	2 x 5W

Summary

Electrical Specifications

Important Service Safety Precautions

General Safety Warnings

Crucial warnings for safe operation and servicing.

X-Radiation and High Voltage Safety

Precautions regarding X-ray emission and high voltage.

Pre-Return Safety Checks

Safety Notice on Replacement Parts

Importance of using identical replacement parts for safety.

User Control Location - 27U-S60

Front Panel Controls (27U-S60)

Identifies and explains front panel controls for the 27U-S60.

Remote Control Functions (27U-S60)

Details the basic functions of the 27U-S60 remote control.

User Control Location - 27U-S100

Front Panel Controls (27U-S100)

Identifies and explains front panel controls for the 27U-S100.

Remote Control Functions (27U-S100)

Details the basic functions of the 27U-S100 remote control.

Installation and Service Instructions

Circuit Protection

Details the receiver's circuit protection features and fuse.

X-Radiation Protector Circuit Test

Procedure for testing the X-radiation protection circuit.

High Voltage Check

Procedure for verifying high voltage levels and safety.

Service Adjustment Procedures

Service Mode Entry and Navigation

Instructions for entering service mode and navigating adjustment categories.

Fix Value Adjustments

DEF Adjustments

Details initial values and ranges for DEF service adjustments.

Signal Adjustments

FEATURE Adjustments

Details initial values and ranges for FEATURE service adjustments.

Part Replacement Adjustments

Notes on adjustments needed after replacing specific parts.

Specific Service Adjustments

Video and RF Adjustments

Procedures for +B, Video Level, and RF AGC adjustments.

Picture Quality Adjustments

Adjustments for screen, white balance, contrast, tint, color, and brightness.

Vertical and Caption Adjustments

MTS Adjustment Procedures

Steps for MTS Level, VCO, Filter, and Separation adjustments.

Chassis Layout

Block Diagram

Schematic Diagram Description

Waveform Measurement Conditions

Guidelines for measuring waveform signals.

Signal Waveform Examples

Visual representations of various signal waveforms at key test points.

CRT Unit Schematic Diagram

Main Unit (Part 1) Schematic Diagram

Main Unit (Part 2) Schematic Diagram

Printed Wiring Board Assemblies

Parts List Overview

Component Categories

Lists major component types like Tuners, ICs, and Transistors.

Diodes, Packaged Circuits, and Filters/Coils

Transformers and Resistors

Listing of transformers and resistors.

Capacitors and Resistors (Part 1)

Capacitors and Resistors (Part 2)

Continuation of capacitor and resistor listings.

Resistors (Part 3)

Resistors (Part 4)

Resistors (Part 5)

Miscellaneous Parts

Supplied Accessories

Items supplied with the product, like manuals and remote.

Packing Parts

Details on packing materials not intended for replacement.

Cabinet Parts

Cabinet Parts Location Diagram

Visual guide showing the location of cabinet parts.

Packing of the Set