Sony MSU-750 Manuel utilisateur
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
48
72
3
6
5
1-2 (E) MSU-750 MMP2
321
0
45
Rotary encoder
Rotary encoder
IRIS adjusting block
MASTER BLACK adjusting block
CHARACTER display 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
CC
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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