Sony MSU-750 Manuale utente

MASTER SETUP UNIT

MSU-750

MAINTENANCE MANUAL Part 2

1st Edition

Serial No. 15001 and Higher

MSU-750 MMP2

!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

DieAnleitung 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 derAnleitung 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.

MSU-750 MMP2

CAUTION

Danger of explosion if battery is incorrectly

replaced.

Replace only with the same or equivalent type

recommended by the manufacturer.

Dispose of used batteries according to the

manufacturer’s instructions.

Vorsicht!

Explosionsgefahr bei unsachgemäßem

Austausch der Batterie.

Ersatz nur durch denselben oder einen vom

Hersteller empfohlenen ähnlichen Typ.

Entsorgung gebrauchter Batterien nachAngaben

des Herstellers.

ATTENTION

Il y a danger d’explosion s’il y a remplacement

incorrect de la batterie.

Remplacer uniquement avec une batterie du

même type ou d’un type équivalent recommandé

par le constructeur.

Mettre au rebut les batteries usagées

conformément aux instructions du fabricant.

ADVARSEL!

Lithiumbatteri-Eksplosionsfare ved fejlagtig

håndtering.

Udskiftning må kun ske med batteri

af samme fabrikat og type.

Levér det brugte batteri tilbage til leverandøren.

1 (E)

MSU-750 MMP2

Table of Contents

Manual Structure

Purpose of this manual ........................................................................................ 3 (E)

Related manuals................................................................................................... 3 (E)

Contents ............................................................................................................... 4 (E)

1. Service Overview

1-1. Self-Diagnosis .......................................................................................1-1 (E)

1-2. PROM ...................................................................................................1-3 (E)

1-2-1. PROM Version Check..........................................................1-3 (E)

1-2-2. Notes on PROM Replacement .............................................1-3 (E)

1-3. Description on Flexible Card Wire .......................................................1-4 (E)

1-3-1. Disconnecting/Connecting of Flexible Card Wire ...............1-4 (E)

1-4. Replacing Switching Regulator.............................................................1-5 (E)

1-5. Replacing Fuse ......................................................................................1-6 (E)

1-6. Replacing LED-334/335 Boards ...........................................................1-7 (E)

1-7. Replacing EL Display .........................................................................1-10 (E)

1-8. Note on Servicing................................................................................1-11 (E)

2. Spare Parts

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

2-2. Exploded Views ..........................................................................................2-2

2-3. Electrical Parts List .....................................................................................2-8

2-4. Power Cords List.......................................................................................2-19

3. Semiconductor Pin Assignments

4. Block Diagrams

CPU-286......................................................................................................4-4

SW-6 ...........................................................................................................4-6

Overall Block ..............................................................................................4-2

2 (E) MSU-750 MMP2

5. Schematic Diagrams

CPU-286......................................................................................................5-2

SW-6 .........................................................................................................5-15

Frame Wiring ............................................................................................5-20

6. Board Layouts

CN-1803 ......................................................................................................6-1

CN-1807 ......................................................................................................6-1

CPU-286......................................................................................................6-2

LED-334......................................................................................................6-4

LED-335......................................................................................................6-5

LED-336......................................................................................................6-5

SW-6 ...........................................................................................................6-6

3 (E)

MSU-750 MMP2

Manual Structure

Purpose of this manual This manual is the maintenance manual part 2 of Master Setup Unit MSU-750.

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

premise the service based on the components parts such as service overview, parts

list, semiconductor pin assignments, block diagrams, schematic diagrams and board

layouts, assuming use of system and service engineers.

Related manuals Besides this “maintenance manual part 2”, the following manuals are available for

this unit.

.Operation Manual (Supplied with the MSU-750)

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

.Maintenance Manual Part 1 (Supplied with the MSU-750)

This manual is intended for use by trained system and service engineers, and

provides the installation and maintenance information that is necessary at the time

of primary service.

.System Manual (Available on request)

This manual is necessary for connection and operation of video camera and other

peripheral equipment.

If this manual is required, please contact your local Sony Sales Office/Service

Center.

.“Semiconductor Pin Assignments” CD-ROM (Available on request)

This “Semiconductor Pin Assignments” CD-ROM allows you to search for

semiconductors used in Broadcasting & Professional Systems Company

equipment.

Semiconductors that cannot be searched for on this CD-ROM are listed in the

maintenance manual for the corresponding unit. The maintenance manual contains

a complete list of all semiconductors and their ID Nos., and thus should be used

together with the CD-ROM.

Part number: 9-968-546-XX

4 (E) MSU-750 MMP2

Contents The following are summaries of all the sections for understanding the contents of

this manual.

Section 1 Service Overview

Describes note on servicing, parts replacement procedures, PROM and self-diagnosis.

Section 2 Spare Parts

Describes parts list and exploded views used in the unit.

Section 3 Semiconductor Pin Assignments

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

Use the separate “Semiconductor Pin Assignments” CD-ROM together with this

manual.

Section 4 Block Diagrams

Describes overall block diagram and the block diagrams for every circuit board.

Section 5 Schematic Diagrams

Describes schematic diagrams for every circuit board.

Section 6 Board Layouts

Describes board layouts for every circuit board.

1-1 (E)

MSU-750 MMP2

1-1. Self-Diagnosis

Operation of the switches, LED indicators, and rotary encoders on the control panel can be checked by

the self-diagnosis mode of the unit.

Preparations

1. Press [PANEL|ACTIVE], [PARA], and SCENE FILES [1] switches at the same time.

Operation check

Switch with LED

When the desired switch is pressed, the LED inside the switch lights up. And when the buzzer ON/OFF

switch S6 on the CPU-286 board is in ON position, the buzzer beeps at the same time. To turn off the

LED, press switch again. (Avoid lighting all the switches simultaneously for a relatively long period of

time.)

Indicator

1. Camera number/Tally display block

Make sure that a red and green cross indication moves from the right to left.

2. Make sure that the CARD ACCESS indicator blinks in sequence of red, green then orange.

3. Make sure that the MULTI, TALLY, and PANEL ACTIVE indicators of the camera selector block

blink in sequence of red, green then off.

4. Make sure that the EXT indicator of the IRIS adjusting block blinks.

5. Make sure that the 7-segment LEDs of ECS/SHUTTER, GAMMA, MASTER GAIN, FILTER

display blocks and MASTER BLACK and IRIS adjusting blocks light up in the following order.

Rotary encoder

When the desired rotary encoder has been turned, the ID number corresponded with the rotary encoder

will be displayed on the IRIS adjusting block, and the control value is displayed on the MASTER

BLACK adjusting block.

Character display block

The ROM version flows from the right to left in this block as a slide-show.

Section 1

Service Overview

Red

Green

1-2 (E) MSU-750 MMP2

321

Rotary encoder

IRIS adjusting block

MASTER BLACK adjusting block

CHARACTER display block

Camera selector block

Camera number/

Tally display block

AUTO SETUP

MODE

MASTER SETUP UNIT

IC MEMORY CARD

12345

RGB

SEQ ENC WF PIX

AUTO

HUE

LEVEL

ALL CLOSE

STANDARD

CAM PW

MULTI

CARD

CONFIG

MAINTENANCE

FILE

PAINT

070809101112

010203040506

PANEL

ACTIVE PARA

EXPAND

FUNCTION

MULTI

TALLY

MULTI

TALLY

VF PW TEST BARS

5600K AUTO

KNEE SKIN

DETAIL

CHARACTER

START/

BREAK

WHITE BLACK

ECS/SHUTTER

ACCESS

STORE

SCENE FILES

MONITOR

GAMMA MASTER

GAIN ND

FILTER

MASTER BLACK IRIS

IRIS/MB

ACTIVE

CALL

AUTO

EXT

ECS/SHUTTER display block

GAMMA display block

MASTER GAIN display block

FILTER display block

CARD ACCESS indicator

1-1. Self-Diagnosis

Finishing the self-diagnosis mode

1. Press [PANEL|ACTIVE], [PARA], and SCENE FILES [1] switches at the same time.

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