This document is a service manual for the ViewSonic VX1935wm-1 TFT LCD display. It includes specifications and features of the product, as well as a guide for usage and maintenance.
The ViewSonic VX1935wm-1 is a 19‑inch color TFT LCD display. This service manual provides detailed information for technicians, including safety notices, specifications, front‑panel functions, circuit descriptions, adjustment procedures, troubleshooting flow charts, and parts lists.
Key sections include Precautions and Safety Notices, Specification, Front Panel Function Control Description, Circuit Description, Adjustment Procedure, Troubleshooting Flow Chart, Recommended Spare Parts List, Exploded Diagram and Parts List, Block Diagram, Schematic Diagrams, and PCB Layout Diagrams.
| Screen Size | 19" wide |
|---|---|
| Contrast Ratio (typical) | 700:1 |
| Color Depth | 162M (6 bits + 2 bits FRC) |
| Response Time | 5 ms (on/off) |
| Viewing Angle (H/V) | 150° / 135° @ CR>10 |
| Power Supply Voltage | AC 100‑240 V, 50/60 Hz |
| Maximum Power Consumption (On Mode) | < 36 W |
| Audio Output Power | 1.5 W (max) |
| Physical Dimensions (W×H×D) | 450 mm × 434 mm × 210 mm |
| Net Weight | 5.6 kg (12.3 lb) |
| Operating Temperature | 32 °F‑104 °F (0 °C‑40 °C) |
| Storage Humidity | 10 %‑90 % |
| Backlights | 4 CCFL (top & bottom edge side) |
The external AC power operating range is from 90 V to 264 V.
Turn off the product, use a dry soft cloth, avoid abrasive cleaners, and disconnect the power plug if the monitor will not be used for a long period.
It uses four CCFL backlights positioned at the top and bottom edges.