Philips VS23605T - User Manual

12" Black & White Observation System VM6 VSS2360/oor
VSS2260/oor
Service
VSS4460/0cr
Service
22MS605R
u VS23605T
Service VS23655T
VS22605R
VS44605T
NORTH-AMERICAN MODELS:
Service Manual: 8109
Safety regulations require that the set be restored to its original condition and
that parts which are identical with those specified be used.
Contents Page
1. Specifications 2
2. Controls and connections 2
3. Safety & maintenance instructions, warnings and notes 4
4. Mechanical instructions 6
5. Block diagram 7
6. Fault finding trees 8
7. Electrical diagrams & P.W.B. layout diagrams PWB
Circuit diagrams: A1 uP and Power supply 11 15
A2 Deflection & Line output 12 15
A3 Twisted Pair interface & Alarm output 13 15
A4 Slave & Audio/Video interfaces 14 15
Wave forms 16
8. Electrical & mechanical adjustments 16
9. Circuit description 17
10. Direction for use 18
11. Abbreviations 22
12. Spare parts list 22
P conyialt 1997 Philips Business Electronics Eindhoven, The
Netherlands. All rights reserved. No part of this publication may be
reproduced, stored in a retrieval system or transmitted, in any form or
by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by EvO 9771_VCM Service Department Printed in The Netherlands © Copyright reserved Subject to modification 482) 727 21404
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Summary

Specifications

General Specifications

Details general specifications like mains voltage, frequency, power consumption, camera supply, weight, dimensions, ambient temperature, TV system, lines, field frequency, resolution-bandwidth, inputs, and outputs.

Controls and Connections

POS Model Controls

Describes controls and connections for POS models, referencing diagrams A-1 and A-2.

Retail Model Controls

Details controls and connections for Retail models, referencing diagrams B-1 and B-2.

Slave Model Controls

Details controls and connections for Slave models, referencing diagrams C-1 and C-2.

Safety, Maintenance, and Warnings

Maintenance Instructions

Outlines safety instructions for repairs, including using isolating transformers and replacing components.

Safety Instructions for Repairs

Details safety regulations for repairs, component replacement, CRT handling, and electrical checks.

General Warnings and Precautions

Provides general warnings about equipment handling, high-voltage hazards, and ESD precautions.

ESD Precautions

Addresses Electrostatic Discharge (ESD) precautions for handling semiconductors during repair.

Mechanical Instructions

Disassembly and Panel Removal

Provides steps for disassembling the monitor and removing the main panel.

Service Position and Reassembly

Describes the monitor's service position and reassembly process.

Block Diagram

Fault Finding Trees

Intercom and Audio;Video Issues

Guides troubleshooting for no intercom function or no audio/video present.

EHT and Deflection Faults

Details troubleshooting steps for EHT and deflection present faults.

SMPS Troubleshooting

Focuses on troubleshooting SMPS secondary and primary stages for faults.

No Picture Faults

Outlines troubleshooting for cases where there is no picture.

Electrical Diagrams and PWB Layouts

Circuit Diagram A1

Presents the electrical diagram for circuit board A1, covering power supply and control sections.

Circuit Diagram A2

Shows the electrical diagram for circuit board A2, covering deflection and line output stages.

Circuit Diagram A3

Details the electrical diagram for circuit board A3, focusing on twisted pair interface and alarm output.

Circuit Diagram A4

Presents the electrical diagram for circuit board A4, covering audio/video interfaces and buffer amplifiers.

Printed Wiring Board (PWB) Layout

Shows the Printed Wiring Board (PWB) layout, indicating component placement.

Electrical and Mechanical Adjustments

Power Supply and Time Base Adjustments

Details adjustments for the +24V supply and time base (frame amplitude).

Picture Geometry and Intercom Adjustments

Covers adjustments for picture geometry and carrier wave for intercom functions.

Circuit Description

Direction for Use

Installation Procedures

Guides users on installing the system, connecting cameras, VCR, and extra monitors.

System Operation

Explains system on/off, power save, brightness, contrast, volume, talk, action, auto sequence, camera selection, and VCR mode.

Alarm System Features

Details alarm functions, programming, termination, priority, and maintenance tips like ventilation and cleaning.

Spare Parts List

POS Models Spare Parts

Lists mechanical spare parts for VSS2360/00T, VS23605T, VS23655T models with service codes.

Retail Models Spare Parts

Lists mechanical spare parts for VSS2260/00R, 22MS605R, VS22605R models.

Slave Models Spare Parts

Lists mechanical spare parts for VSS4460/00T, VS44605T models.

Electrical Component List

Service Information and Updates

System Service Information

Provides specific service information and solutions for potential system issues.

Survey of Changes

Documents changes made to the VM6 family, including part number updates and technical modifications.

Camera Service Information

Informs about service procedures for cameras VCM8637 and VCM8638, stating they are not repairable.

Service Manual Correction

Provides corrections for the Service Manual regarding specific component types.

Philips VS23605T Specifications