Sony Digital BETACAM CA-701 User manual

CAMERA ADAPTOR
CA-701
MAINTENANCE MANUAL
1st Edition
Serial No. 10001 and Higher (Except Japan)
Serial No. 30001 and Higher (Japan)

!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 undVerletzungen 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.

1
CA-701
Table of Contents
Manual Structure
Purpose of this manual ......................................................................................... 3(E)
Contents ................................................................................................................ 3(E)
Relative manual .................................................................................................... 3(E)
1. Service Overview
1-1. System Configuration.............................................................................1-1(E)
1-2. Matching Connectors .............................................................................1-1(E)
1-3. Connector Input/Output Signals.............................................................1-2(E)
1-4. Setting the Switches on Board ...............................................................1-3(E)
1-4-1. AD-119 board........................................................................1-3(E)
1-4-2. DA-98 board..........................................................................1-3(E)
1-5. Notes on System Connection .................................................................1-4(E)
1-6. Board Layout..........................................................................................1-4(E)
1-7. Replacement of Main Parts ....................................................................1-5(E)
1-7-1. Removal of Cabinet...............................................................1-5(E)
1-7-2. Replacement of 40-pin Connector ........................................1-6(E)
1-7-3. Removal/Installation of Flexible Card Wires
on AD-119 Board..................................................................1-7(E)
1-7-4. AD-119 Board Replacement .................................................1-8(E)
1-7-5. CN-1233 Board Removal......................................................1-8(E)
1-8. Notes on Service ....................................................................................1-9(E)
1-8-1. Power Circuit Breaker...........................................................1-9(E)
1-8-2. Notes on Replacement of V Shoe .........................................1-9(E)
1-9. Tool ........................................................................................................1-9(E)
1-10. Notes on Spare Parts ............................................................................1-10(E)
2. Electrical Alignment
2-1. General Information for Electrical Adjustment .....................................2-1(E)
2-1-1. Notes for Adjustment ............................................................2-1(E)
2-1-2. Equipment/Fixtures ...............................................................2-1(E)
2-2. Video System Adjustment......................................................................2-1(E)
2-2-1. VCO Free-run Frequency Adjustment ..................................2-1(E)
2-3. Audio System Adjustment .....................................................................2-2(E)
2-3-1. D/A Level Adjustment ..........................................................2-2(E)
2-3-2. Output Limiter Adjustment ...................................................2-2(E)
2-3-3. AGC Level Adjustment.........................................................2-3(E)

2CA-701
3. Spare Parts
3-1. Exploded Views ..........................................................................................3-1
3-2. Electrical Parts List .....................................................................................3-5
4. Semiconductor Pin Assignments
5. Block Diagrams
Overall Block ............................................................................................5-1
AD-119 Block ........................................................................................... 5-2
DA-98 Block ............................................................................................. 5-3
DIF-41 Block ............................................................................................5-4
RE-123 Block............................................................................................5-5
6. Schematic Diagrams
CN-1233 Board ......................................................................................... 6-1
AD-119 Board...........................................................................................6-4
DA-98 Board.............................................................................................6-8
DIF-41 Board ..........................................................................................6-12
RE-123 Board .........................................................................................6-14
DP-234 Board .........................................................................................6-17
MB-651 Board ........................................................................................6-18
Frame Wiring ..........................................................................................6-20
7. Board Layouts
AD-119 Board...........................................................................................7-1
DA-98 Board.............................................................................................7-1
DIF-41 Board ............................................................................................7-2
RE-123 Board ...........................................................................................7-2
MB-651 Board ..........................................................................................7-3
DP-234 Board ...........................................................................................7-3
HN-225 Board...........................................................................................7-3
CN-1233 Board ......................................................................................... 7-4
SW-819 Board ..........................................................................................7-4
CN-1339 Board ......................................................................................... 7-4

3 (E)
CA-701
Purpose of this manual This manual is the maintenance manual for Camera Adaptor CA-701.
Contents The followings are summaries of the each section for understanding the manual.
Section 1 Service Overview
Describes information about connection and how to replace the main parts.
Section 2 Electrical Alignment
Describes electrical adjustment.
Section 3 Spare Parts
Describes parts list, exploded view, packing materials and supplied accessories list
used in the unit.
Section 4 Semiconductor Pin Assignments
Describes function diagrams and pin names of semiconductor used in the unit.
Section 5 Block Diagrams
Describes overall block diagram and the block diagrams for every circuit board.
Section 6 Schematic Diagrams
Describes schematic diagrams for every circuit.
Section 7 Board Layouts
Describes board layouts for every circuit.
Relative 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.
Manual Structure

1-1 (E)
CA-701
Section 1
Service Overview
1-1. System Configuration
1-2. Matching Connectors
When external cables are connected to the connector on the outside panel during maintenance, the
hardware listed below (or the equivalents) must be used.
Panel indication Matching cable connector/cable
Connector Sony part No.
SDI OUT 1, 2 BNC 1-560-069-11
AUDIO IN CH-3, 4 XLR 3P, MALE 1-508-084-00
AUDIO OUT XLR 5P, FEMALE 1-508-370-11
DC IN XLR 4P, FEMALE 1-508-362-00
DC OUT ROUND TYPE 4P, MALE 1-566-425-11
MIC, MIXER etc.
AC-550
BP-L60
BP-L90
VIDEO(BNC)CABLE
AUDIO CABLECH-3
CH-4
DVW-700/700WS/700P/700WSP
DVW-250/250P
DC CORD
CA-701

1-2 (E) CA-701
1-3. Connector Input/Output Signals
INPUT
AUDIO IN CH-3, 4 –60 dBu/+4 dBu
(0 dBu=0.775 Vrms)
OUTPUT
AUDIO OUT 0 dBu (600 Ωterminated)
HEADPHONE OUT 8 Ωload, –26 dBu
SDI OUT 1,2 75 Ωterminated, 0.8 V p-p,
270 Mbps
AUDIO OUT:XLR,5-pin (male)
<External view>
Pin No. Signal
1 GND
2 L CH (X)
3 L CH (Y)
4 R CH (X)
5 R CH (Y)
DC IN:XLR,4-pin (male)
<External view>
Pin No. Signal
1 UNREG GND
2—
3—
4 EXT DC (+)
12 V (10.5–17V)
14
DC OUT:DIN, 4-pin (female)
<External view>
Pin No. Signal
1 UNREG GND
2—
3—
4 DC OUT
14
23
1-3. Connector Input/Output Signal
12345

1-3 (E)
CA-701
A side
A
1
2
3
4
5
6
7
BCDEFGHJKLM
N
S1-1 S1-2 S1-3 S1-4
S201
S1
CN1
S101
ON OFF
1-4. Setting the Switches on Board
1-4-1. AD-119 board
Ref No. Name Description Factory setting
S103 CH-3 LIM ON-OFF Selects whether to turn on or off the limiter OFF
in the CH-3 audio input stage.
ON : CH-3 Audio INPUT LIMITER ON
OFF: CH-3 Audio INPUT LIMITER OFF
S153 CH-4 LIM ON-OFF Selects whether to turn on or off the limiter OFF
in the CH-4 audio input stage.
ON : CH-4 Audio INPUT LIMITER ON
OFF: CH-4 Audio INPUT LIMITER OFF
1-4-2. DA-98 board
Ref No. Name Description Factory setting
S1 — Factory use All OFF
S101 OUTPUT LIM ON-OFF Selects whether to turn on or off the output limiter. ON
ON : Audio OUTPUT LIMITER ON
OFF: Audio OUTPUT LIMITER OFF
S201 POWER ON BLOCK Selects whether to power in the audio or AUDIO
the SDI block when the power switch is turned to SEL.
Audio block only
SDI block only*1
*1 : No display on the audio level meter LCD when only SDI block is powered .
1-4. Setting the Switches on Board
S153
OFF ON
OFF ONS103
B side
GFE
DCBA
1
2
3

1-4 (E) CA-701
1-5. Notes on System Connection
It is necessary to check the following items in the DVW-700/700WS/700P/700WSP when connect them
to the CA-701. Perform the measures shown in the figure when the use conditions are not matched.
Check item Use condition Measures Applicable serial No.
AT-84 board in the DVW-700 ROM(IC16) version is ROM replacement Serial No. 10001 to 10196
/700WS /700P/700WSP. V2.10 or higher. (P/N:8-759-390-05) [DVW-700]
Serial No. 90001 to 90015
[DVW-700]
SY-191 board in the DVW-700 ROM(IC1) version is IC replacement SerialNo. 40001 to 40250
/700WS/700P/700WSP. V1.10 or higher. (QFP type [DVW-700P]
P/N:8-759-388-93) Serial No. 90001 to 90021
(EPROM type [DVW-700P]
P/N:8-759-398-40) Serial No. 10001 to 10065
[DVW-700WS]
Serial No. 90001 to 90002
[DVW-700WS]
Serial No. 40001 to 40415
[DVW-700WSP]
1-6. Board Layout
Board name Circuit function Location No.
AD-119 A/D converter 3
CN-1176 Connector 5
CN-1233 Connector 1
CN-1339 Connector 11
DA-98 D/A converter, System control 9
DIF-41 Serial digital interface 6
DP-234 Display 4
HN-225 Harness 2
MB-651 Mother board 10
RE-123 Regulator, DC-DC converter 7
SW-819 Switch 8
1-5. Notes on System Connection
1-6. Board Layout
5
3
9
1
0
!-
8
7
4
2
6