This document is a technical service manual for the F770D multiscanning color monitor. It includes necessary safety precautions for servicing the monitor, as well as instructions for replacing the chassis and performing a final check before returning it to the customer.
This manual covers safety precautions for servicing the F770D color monitor, including high‑voltage discharge, X‑ray radiation protection, and component safety notices. It also details the monitor's electrical characteristics, video input specifications, timing tables, and connector pinouts.
Technical information such as input voltage range, power consumption, synchronization signal levels, and supported video formats are provided, along with step‑by‑step service instructions and wiring diagrams to assist technicians in maintenance and repair tasks.
| Input Voltage | 100‑240 V AC |
|---|---|
| Input Current | 1.5 A Max |
| Power Consumption | 75 W Max |
| Video Input Level | 0.7 Vp‑p analog |
| Horizontal Sync Level | TTL High 2.4 V min |
| Vertical Sync Level | TTL High 2.0 V min |
| Horizontal Frequency | 30 kHz – 70 kHz |
| Vertical Frequency | 50 Hz – 150 Hz |
| Screen Size | 17" (16" viewable) |
The high voltage must be discharged to the CRT conductive coating before handling the CRT.
The voltage must not exceed 0.3 volts RMS.
The monitor operates on an input voltage of 100‑240 V AC.
An A15 Pin D‑sub male connector is used for the video input.