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Nokia 447ZiPlus User Manual

Nokia 447ZiPlus
66 pages
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ZB1730
01.00
When re---ordering manuals, please quote the model name and part number.
xx
Nokia Display Products Oy
P. O . B o x 1 4
FIN---24101 Salo, Finland
17” Colour Monitor 447ZiPlus
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Nokia 447ZiPlus Specifications

General IconGeneral
BrandNokia
Model447ZiPlus
CategoryMonitor
LanguageEnglish

Summary

Service Manual Overview

Model Identification

Model identification for the service manual.

Safety and Precautions

General Safety Guidelines

Essential safety guidelines for handling and servicing the monitor.

Front Panel Controls Overview

Monitor Disassembly Steps

Detailed Circuit Descriptions

Power Supply and Management Circuits

Describes the SMPS, power management, heater voltage, and degaussing circuits.

Deflection and Video Circuits

Explains vertical, horizontal deflection, width, pincushion, and video circuits.

Control and Protection Circuits

Covers brightness, spot killer, blanking, horizontal position, HV control, and fail-safe circuits.

Monitor Adjustments

B+ Voltage Adjustment Procedure

Procedure to adjust the B+ output voltage to specified levels.

HV and Sub-Bright Adjustment

Steps for adjusting HV and sub-brightness to correct raster display.

Troubleshooting Guide

Power Start Issues

Flowchart for diagnosing issues when the monitor does not power on.

No Video Signal Troubleshooting

Flowchart for diagnosing issues when raster is visible but no video signal.

No Raster Display Troubleshooting

Flowchart for diagnosing issues when no raster is displayed on the screen.

R/G/B Signal Loss Diagnosis

Flowchart for diagnosing missing Red, Green, or Blue video signals.

System Block Diagram

Detailed Circuit Schematics

Printed Circuit Board Layouts

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