Sony AC-550CE User manual

AC ADAPTOR

AC-550CE

MAINTENANCE MANUAL

1st Edition

Serial No. 45451 and Higher

AC-550CE

!WARNING

This manual is intended for qualified service personnel only.

To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that

contained in the operating instructions unless you are qualified to do so. Refer all servicing to

qualified service personnel.

!WARNUNG

Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt.

Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die

Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei

Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben

Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung

dazu besitzen.

!AVERTISSEMENT

Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin

de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les

réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres.

Pour toute réparation faire appel à une personne compétente uniquement.

AC-550CE

Table of Contents

Manual Structure

Purpose of this manual .............................................................................................. 3

Related manual .......................................................................................................... 3

Contents ..................................................................................................................... 3

1. Service Overview

1-1. Connectors and Cable ................................................................................. 1-1

1-1-1. Connecting Connectors/Cables .................................................. 1-1

1-1-2. Connectors Input/Output Signal ................................................. 1-1

1-2. Notes on Service ......................................................................................... 1-2

1-2-1. Note on Maintenance ................................................................. 1-2

1-2-2. Notes on Repair Parts ................................................................. 1-2

2. Electrical Alignment

2-1. Output Voltage Adjustment ........................................................................ 2-1

2-2. Excess Current Detection and Adjustment ................................................. 2-1

3. Spare Parts

3-1. Exploded View ............................................................................................ 3-2

3-2. Electrical Parts List ..................................................................................... 3-4

4. Semiconductor Pin Assignments

5. Diagram and Board Layout

5-1. Frame Wiring .............................................................................................. 5-1

5-2. Board Layout ............................................................................................... 5-2

AC-550CE

Purpose of this manual

This manual is the maintenance manual for AC Adaptor AC-550CE.

This manual describes the information items on maintenance, and items that premise

the service based on the components parts such as alignment, schematic diagram,

board layout and spare parts list, assuming use of service engineers.

Related manual

Besides this maintenance manual, the following manual is available for this unit.

.Operation Manual (Supplied with this unit)

This manual is necessary for application and operation of this unit.

Contents

The following are summaries of the each section for understanding the manual.

Section 1 Service Overview

Describes information about connector input/output signals and Notes on Service.

Section 2 Electrical Alignment

Describes electrical adjustment.

Section 3 Spare Parts

Describes parts list, exploded view, and supplied accessories used in the unit.

Section 4 Semiconductor Pin Assignments

Describes function diagrams and pin names of semiconductor used in the unit.

Section 5 Diagram and Board Layout

Describes schematic diagram and board layout.

Manual Structure

1-1

AC-550CE

Section 1

Service Overview

CAMERA (26-pin, Female)

_EXT VIEW __

(0 dBu = 0.775 Vrms)

No. Signal Specifications

1 VIDEO IN (X) 1.0 V p-p, Zi = 75 Z

2 VIDEO IN (GND) 1.0 V p-p, Zi = 75 Z

3 NC No connection

4 NC No connection

5 NC No connection

6 NC No connection

7 NC No connection

8 NC No connection

9 MIC IN (X) _60 dBu High impedance

balanced

10 MIC IN (Y) _60 dBu High impedance

balanced

11 MIC IN (GND) _60 dBu High impedance

balanced

12 NC No connection

13 NC No connection

14 NC No connection

15 NC No connection

16 NC No connection

17 FRAME GND

18 EXT VBS OUT (X) 1.0 V p-p, Zo = 75 Z

19 EXT VBS OUT (GND) 1.0 V p-p, Zo = 75 Z

20 NC No connection

21 NC No connection

22 NC No connection

23 NC No connection

24 NC No connection

A DC OUT (+13.5 V) +13.2 V to +13.8 V, 7 A

B DC OUT (GND)

1-1. Connectors and Cable

1-1-1. Connecting Connectors/Cables

To connect cables to each connector of the connector block

for installing or servicing, use the following the connec-

tors, cables or equivalent.

Connector Connector/Cable

VIDEO OUT 1-569-370-12 PLUG, BNC

EXT VBS

(BNC)

CAMERA 1-564-183-00 PLUG, 26-pin male or CCZ

(26-pin, female) cable assembly (accessory)

CCZ-10 (10 m)

DC OUT CCDD-X2 (2 m, supplied with the unit)

(4-pin, female)

MIC OUT 1-508-083-00 XLR, 3-pin female or

(3-pin, male) Cannon XLR-3-11C or equivalent

1-1-2. Connectors Input/Output Signal

AC IN

110 to 120 V / 220 to 240 V AC 10% selectable

VIDEO OUT

BNC type, 75 Z

EXT VBS

BNC type, 75 Z

Voltage selector

1-2 AC-550CE

DC OUT (4-pin, Female)

_EXT VIEW __

No. Signal Specifications

1 GND GND for UNREG

2 NC No connection

3 NC No connection

4 DC OUT +13.2 V to +13.8 V, 7 A

MIC OUT (3-pin, Male)

_EXT VIEW __

No. Signal Specifications

1 MIC OUT _60 dBu High impedance

balanced

2 MIC OUT

3 MIC OUT

1-2. Notes on Service

1-2-1. Note on Maintenance

High voltage exists on the primary side of the mounted

circuit board when the unit is energized. Take utmost care

when checking and repairing and do not touch the primary

side with bare hand or tools.

1-2-2. Notes on Repair Parts

1. Safety Related Components Warning

Components marked !are critical to safe operation.

Therefore, specified parts should be used in the case of

replacement.

2. Standardization of Parts

Some repair parts supplied by Sony differ from those

used for the unit. These are because of parts common-

ality and improvement.

Parts list has the present standardized repair parts.

3. Stock of Parts

Parts marked with “o” at SP (Supply Code) column of

the spare parts list may not be stocked. Therefore, the

delivery date will be delayed.

1-1. Connectors and Cable

1-2. Notes on Service

2-1

AC-550CE

Section 2

Electrical Alignment

2-1. Output Voltage Adjustment

Equipment : DC voltmeter

Preparation

1. Turn OFF the power of the AC-550CE.

2. Connect the DC OUT connector of AC-550CE as

shown in the figure below.

3. Turn ON the power of the AC-550CE.

Adjustment

Adjust 1VR201/A board so that the DC voltmeter reading

becomes +13.5 +0.2 V dc.

2-2. Excess Current Detection and

Adjustment

Only when part has been replaced, perform adjustment.

Equipment : DC ammeter

Preparation

1. Turn OFF the power of the AC-550CE.

2. Connect the DC OUT connectors of the AC-550CE as

shown in the figure below.

3. Turn 1VR202/A board fully counterclockwise 3.

4. Turn ON the power of the AC-550CE.

Adjustment

Slowly turn 1VR202/A board clockwise 2so that the load

current becomes 15.0 ±0.5 A.

A board (component side)

Table of contents

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