Clear-Com PS-10 Manuel d'instructions télécharger pdf (Page 23)

PS-704 FOUR-CHANNEL POWER SUPPLY

3-1

MAINTENANCE

INTRODUCTION

This chapter provides maintenance information including a block diagram and troubleshooting tips.

Caution: These servicing instructions are for use by qualified personnel only. To reduce the risk of electrical

shock, do not perform any servicing other than that contained in the operating instructions unless you

are qualified to do so.

PS-704 BLOCK DIAGRAM

The following is a block diagram of the PS-704:

Figure 3-1: PS-704 Block Diagram

PS-704

Voltage

Regulator

Power

Program

Trim

Program

Input

Channel A

Power

Controller

Channel A

Voltage

Sensor

Channel A

Current

Sensor

Channel B

Power

Controller

Channel B

Voltage

Sensor

Channel B

Current

Sensor

Ch B

Term

Ch A

Term

Microprocessor

Overload

Channel

Overload

Channel

Send

Levels

Channel

Program

On / Off

Channel C

Power

Controller

Channel C

Voltage

Sensor

Channel C

Current

Sensor

Channel D

Power

Controller

Channel D

Voltage

Sensor

Channel D

Current

Sensor

Microprocessor

Overload

Channel

Overload

Channel

+30 VDC

Ch D

Term

Ch C

Term

+30 VDC +5 VDC

IEC

Power

Inlet

On/Off

Switching

Power Supply

Module

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 33 34

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Clear-Com PS-10 Manuel d'instructions Page 23

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Produits connexes et manuels pour Unités d'alimentation électrique Clear-Com PS-10