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General| Pixel pitch | 0.24825 x 0.24825 mm |
|---|---|
| Aspect ratio | 16:9 |
| Display diagonal | 21.5 \ |
| Supported video modes | 1080i, 1080p, 480i, 480p, 576i |
| Viewing angle, vertical | 160 ° |
| Contrast ratio (typical) | 8000:1 |
| Viewing angle, horizontal | 170 ° |
| Digital vertical frequency | 56 - 75 Hz |
| Digital horizontal frequency | 30 - 83 kHz |
| Display brightness (typical) | 300 cd/m² |
| Special features | Picture Mode: Vivid, Standard, Cinema, Sport, Game ARC-PC: 16:9, 4:3 ARC-Video: DTV/ATV/AV1/AV2 - 16:9, Original, 4:3, 14:9, Zoom1, Zoom2 COMPONENT/HDMI - 16:9, Just Scan(720P higher), 4:3, 14:9, Zoom1, Zoom2 Sound: SRS, AVL, Equalizer, Dolby Surround Auto/Manual Clock, On/Off Time, Sleep Timer, Auto Off/Auto Sleep |
| Security features | Key lock |
| Power requirements | AC 100-240V |
| TV tuner integrated | Yes |
| Component video (YPbPr/YCbCr) in | 3 |
| RMS rated power | 6 W |
| Certification | TUV-GS, EPA, FCC-B, CE |
| Product color | Black |
| Market positioning | - |
| Power consumption (typical) | 55 W |
| Power consumption (PowerSave) | 1 W |
| Tilt angle range | -5 - 15 ° |
| Panel mounting interface | 100 x 100 mm |
Weight and Dimensions| Depth (with stand) | 193.2 mm |
|---|---|
| Width (with stand) | 519.8 mm |
| Height (with stand) | 400.5 mm |
| Weight (with stand) | 4660 g |
| Depth (without stand) | 75.3 mm |
| Height (without stand) | 349.5 mm |
| Weight (without stand) | 4500 g |
Special components important for safety marked on diagrams.
Precautions for safe handling of the LCD module and backlight unit.
Circuit diagram and standard for checking leakage current.
Caution regarding battery replacement to prevent explosion risk.
Essential precautions to follow before and during the servicing of the receiver.
Guidelines to prevent damage to ES devices from static electricity.
Proper techniques and tools for soldering and unsoldering components.
Procedures for removing and replacing ICs, transistors, diodes, fuses, and resistors.
Methods to repair damaged copper patterns on circuit boards using jumper wires.
Defines the scope of this specification sheet for the LCD Monitor TV.
Detailed specifications for testing parts and general parameters like temperature, humidity, and voltage.
Outlines the methods used for various tests and specifications, including performance and safety.
Technical details of the specific LCD module used in the monitor.
Lists general specifications related to the TV's market, broadcasting systems, and inputs.
Details supported sync types, operating frequencies, resolution, and input voltage for RGB/DVI.
Details chroma and brightness parameters for the 21.5-inch LCD module.
Optical specifications when the monitor is used in PC mode.
Optical specifications when the monitor is used in AV mode.
Lists supported resolutions and frequencies for component video input.
Lists resolutions, H/V frequencies, and pixel clocks for RGB PC input.
Displays the EDID data for the RGB input of the M227WD-PZJ model.
Lists resolutions, H/V frequencies, and pixel clocks for DVI PC input.
Displays the EDID data for the DVI input of the M227WD-PZJ model.
Lists resolutions, H/V frequencies, and pixel clocks for HDMI DTV input.
Displays EDID data for HDMI 1 input of the M227WD-PZJ model.
Displays EDID data for HDMI 2 input of the M227WD-PZJ model.
Provides product dimensions, weight, and container loading quantity.
Details stand assembly specifications like tilt degree and swivel.
States applicability and outlines general designations and conditions for adjustments.
Describes the process for checking the main PCB, including APC and download procedures.
Steps for downloading firmware or software updates via USB.
Details the process for Analog-to-Digital Converter (ADC) adjustments.
Specific ADC adjustment for component video input.
Covers the overall assembly line process, including W/B conditions and adjustments.
Verifies DPM operation and power consumption after adjustments.
Steps for writing EDID data via DDC2B protocol for RGB, DVI, and HDMI inputs.
Procedure for setting the serial number using RS-232C communication.
Instructions for setting up and confirming HDCP functionality.
Steps to configure the outgoing condition after all tests are completed.
Procedure for testing internal pressure resistance to electrical shock.
Troubleshooting steps for when the TV/CATV signal does not display.
Troubleshooting steps for when the DTV signal does not display.
Troubleshooting steps for when AV1, AV2, or AV3 inputs do not display.
Troubleshooting steps for when component input does not display.
Troubleshooting steps for when the RGB-PC input does not display.
Troubleshooting steps for when HDMI or DVI inputs do not display.
Overall system block diagram showing major components and their interconnections.
Illustrates the power supply connections for various components.
Diagram showing the physical assembly of the monitor's parts.
Electrical schematic for the main board, covering ICs and connections.
Electrical schematic for the main board, detailing memory and interface connections.
Electrical schematic detailing the DDR memory interface and connections.
Schematic for the LCD module, control keys, IR, and LEDs.
Electrical schematic for the TV tuner module and its associated circuitry.
Electrical schematic for the SCART input/output connections.
Schematic for the RGB input and associated switching circuitry.
Schematic for the component video input connections.
Details the analog RGB signal switching circuitry.
Schematic for the USB interface connections.
Schematic for the S-Video input connector and circuitry.
Schematic for the CVBS input connector and circuitry.
Schematic for the PCMCIA slot and related circuitry.
Schematics for the HDMI and DVI input interfaces.
Schematics for audio amplification circuits, including main amp, audio switch, and earphone amp.
Schematic for the audio signal switching circuitry.
Schematic for the earphone amplifier circuit.
Schematics for the various power supply circuits, including standby, core, and DDR power.
Schematic for LED indicators, IR receiver, and headphone jack connections.
Schematic detailing the control key buttons and their connections.
