Sharp 19R-M100 - User Manual
This service manual provides a comprehensive guide for repairing the Sharp 19R-M100 and 19R-M100S color television models, covering critical topics like safety precautions, circuit schematics, component replacement, and calibration procedures. The document emphasizes high-voltage handling, qualified technician requirements, and detailed technical adjustments–including service mode navigation, waveform measurements, and resistor/capacitor specifications–to ensure accurate diagnostics and repairs. It also includes chassis layouts, block diagrams, and parts lists essential for disassembly, troubleshooting, and maintenance.
Table of Contents:
- Page 1 – Service Manual Overview and Electrical Specifications
- Page 2 – High-Voltage System Safety Precautions
- Page 3 – Fire and Shock Hazard Prevention During Service
- Page 4 – User Control Location and Functions
- Page 5 – Circuit Protection and Voltage Testing Procedures
- Page 6 – Service Mode Access and Adjustment Categories
- Page 7 – Service Adjustment Parameters and Reference Data
- Page 8 – Integrated Circuit Initialization Procedures
- Page 9 – Video and Screen Calibration Adjustments
- Page 10 – Geometric and Positional Adjustments
- Page 11 – Printed Circuit Board Layout
- Page 12 – Internal Circuit Block Diagram
- Page 13 – Schematic Diagrams and Waveform Measurements
- Page 14 – Main Unit Schematic Diagram
- Page 15 – CRT Unit Schematic Diagram
- Page 16 – CRT Unit PCB Wiring Details
- Page 17 – CRT Unit PCB Component Layout
- Page 18 – MAIN Unit Wiring Board Assembly Schematic
- Page 19 – Main Unit PCB Chip Parts Layout
- Page 20 – CRT Unit Wiring and Chip Parts Sides
- Page 21 – Replacement Component Parts List
- Page 22 – Main Unit Component Reference List
- Page 23 – Detailed Component Reference List for Main Unit and Resistors
- Page 24 – PWB-A Main Unit Component Parts List
- Page 25 – Main Unit Miscellaneous Component Parts List
- Page 26 – CRT Model Component Parts and Cabinet Assembly
- Page 27 – Product Packing and Assembly Instructions
- Page 28 – Copyright and Publication Information
1
19R-M100
19R-M100S
COLOR TELEVISION
Chassis No. SN-010
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 ................................................................................ 5
»
CHASSIS LAYOUT ............................................................................................................................. 11
»
BLOCK DIAGRAM .............................................................................................................................. 12
»
SCHEMATIC DIAGRAMS ................................................................................................................... 13
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 20
»
REPLACEMENT PARTS LIST ............................................................................................................ 23
»
PACKING OF THE SET ...................................................................................................................... 29
Page
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
CONTENTS
SERVICE MANUAL
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING ................................................................... 69 W
PICTURE SIZE ........................................... 1,194cm
2
(185sq 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 W (RMS)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...................................................................... 8 cm (Round)
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.
MODELS
19R-M100
19R-M100S
S 11 O 2 1 9 R - M 1 0 0
POWER
VOL
CH
VIDEO
AUDIO
IN
MENU
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About this manual
- Brand
- Sharp
- Model
- 19R-M100
- Document type
- User Manual
- Language(s)
- English
- Pages
- 28
- File size
- 2.6 MB
- Format
Summary
Cover, table of contents, electrical specifications, safety precautions, installation instructions, chassis layout, block diagrams, schematics, parts lists, and packing information for the television models.
Critical safety warnings regarding servicing high-voltage systems and picture tubes, including electrical shock prevention, X-radiation handling, power disconnection procedures, and proper handling of components.
Safety steps for inspecting lead dress, protective devices, and leakage current using test equipment, along with warnings on using replacement parts to prevent shock, fire, or radiation hazards.
