Sony BVS-A3232 User manual

BACKUP POWER SUPPLY FOR BVS-A3232
BKDS-PA3291
BACKUP CONTROL BOARD
BKDS-RS1690
ANALOG AUDIO ROUTING SWITCHER
BVS-A3232
MAINTENANCE MANUAL
1st Edition (Revised 1)
Serial No. 10001 and Higher (BVS-A3232)
Serial No. 10001 and Higher (BKDS-PA3291)
Serial No. 10001 and Higher (BKDS-RS1690)

!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.
For the customers in the U.S.A.
Attention-when the product is installed in Rack:
1. Prevention against overloading of branch circuit
When this product is installed in a rack and is
supplied power from an outlet on the rack, please
make sure that the rack does not overload the supply
circuit.
2. Providing protective earth
When this product is installed in a rack and is
supplied power from an outlet on the rack, please
confirm that the outlet is provided with a suitable
protective earth connection.
3. Internal air ambient temperature of the rack
When this product is installed in a rack, please make
sure that the internal air ambient temperature of the
rack is within the specified limit of this product.
4. Prevention against achieving hazardous
condition due to uneven mechanical loading
When this product is installed in a rack, please make
sure that the rack does not achieve hazardous
condition due to uneven mechanical loading.
For the customers in the U.S.A. and Canada
RECYCLING NICKEL-CADMIUM
BATTERIES
NICKEL-CADMIUM BATTERY.
MUST BE DISPOSED OF PROPERLY.
Nickel-Cadmium batteries are recyclable.
You can help preserve our environment
by returning your unwanted batteries to
your nearest Sony Service Center or
Factory Service Center for collection,
recycling or proper disposal.
Note: In some areas the disposal of
nickel-cadmium batteries in household or
business trash may be prohibited.
For the Sony Service Center nearest you call 1-800-
222-SONY (United States only)
For the Factory Service Center nearest you call 416-
499-SONY (Canada only)

1(E)
BVS-A3232
Table of Contents
Manual Structure
Purpose of this manual .............................................................................................. 5
Contents ..................................................................................................................... 5
Related manuals ......................................................................................................... 6
1. Installation
1-1. Installation Procedure .................................................................................. 1-1
1-2. Supplied Accessories .................................................................................. 1-1
1-2-1. How to Make XLR Connector Cable ......................................... 1-2
1-3. Operating Environment ............................................................................... 1-3
1-4. Power Supply .............................................................................................. 1-3
1-4-1. Power Supply Specifications ...................................................... 1-3
1-4-2. Recommended Power Cord ........................................................ 1-3
1-5. Installation Space ........................................................................................ 1-4
1-6. Installation of the Backup Power Supply Unit (BKDS-PA3291) ............... 1-5
1-7. Installation of the Backup CPU Board
(BKDS-RS1690; CPU-94 Board) ............................................................... 1-6
1-7-1. Installation Procedure ................................................................. 1-6
1-7-2. Initial Setting of the Backup CPU-94 Board .............................. 1-7
1-8. Rack Mounting ............................................................................................ 1-8
1-9. Connectors................................................................................................... 1-9
1-10. Signal Inputs and Outputs ........................................................................... 1-9
1-11. System Connection .................................................................................... 1-11
1-12. Settings of Switches and Controls/LED Functions on Board ................... 1-12
1-12-1. CPU-94 Board (BVS-A3232, BKDS-RS1690) ....................... 1-12
1-12-2. HN-237 Board .......................................................................... 1-16
1-12-3. HN-238 Board .......................................................................... 1-16
1-12-4. OPM-24 Board ......................................................................... 1-17
1-13. Optional Accessories ................................................................................. 1-17
2. Service Overview
2-1. Removal of Cabinet..................................................................................... 2-1
2-2. Main Parts Locations................................................................................... 2-1
2-3. Printed Circuit Board Function ................................................................... 2-2
2-3-1. BVS-A3232 ................................................................................ 2-2
2-3-2. BKDS-PA3291 (Option) ............................................................ 2-2
2-3-3. BKDS-RS1690 (Option) ............................................................ 2-2
2-4. Switching Regulator Replacement .............................................................. 2-2
2-5. Backup Battery Replacement ...................................................................... 2-4

2(E) BVS-A3232
2-6. DC Fan Motor Replacement ....................................................................... 2-4
2-7. Connector Panel Replacement .................................................................... 2-5
2-8. MB-721 Board Replacement ....................................................................... 2-6
2-9. Cleaning ...................................................................................................... 2-7
2-10. Use of Extension Board EX-351 ................................................................. 2-7
2-11. Notes on Repair Parts .................................................................................. 2-8
2-12. ISR (Interactive Status Reporting) System ................................................. 2-9
2-12-1. Connection of Equipment .......................................................... 2-9
2-12-2. Mode Selection of REMOTE 3 Connector .............................. 2-11
3. Maintenance Mode
3-1. Mode Type .................................................................................................. 3-1
3-2. Normal Mode .............................................................................................. 3-2
3-3. Table Initialization Mode ............................................................................ 3-2
3-4. Test Mode .................................................................................................... 3-3
3-4-1. LED Test .................................................................................... 3-3
3-4-2. DIP Switch and Rotary Switch Test ........................................... 3-5
3-4-3. Crosspoint Test B ....................................................................... 3-5
3-4-4. S-BUS (REMOTE 1) Test ......................................................... 3-6
3-4-5. RS-232C (REMOTE 3) Test ...................................................... 3-7
3-4-6. RS-422A (REMOTE 2) Test ...................................................... 3-7
3-4-7. Buzzer Test ................................................................................. 3-8
3-5. Error Indications .......................................................................................... 3-8
4. Electrical Alignment
4-1. Power Supply Voltage Adjustment ............................................................. 4-1
4-1-1. +5 V Adjustment ........................................................................ 4-2
4-1-2. –15 V Adjustment ...................................................................... 4-3
4-2. CPU-94 Board ............................................................................................. 4-4
4-2-1. Crosspoint Phase Adjustment .................................................... 4-5
4-2-2. Buzzer Volume Adjustment ....................................................... 4-5
4-3. MX-82 Board .............................................................................................. 4-6
4-3-1. Adjustment Points List ............................................................... 4-6
4-3-2. Audio Level Adjustment ............................................................ 4-7
5. Spare Parts
5-1. Exploded Views .......................................................................................... 5-1
5-2. Electrical Parts List ..................................................................................... 5-8

3(E)
BVS-A3232
6. Semiconductor Pin Assignments
7. Block Diagrams
OVERALL .................................................................................................. 7-1
CPU-94 ........................................................................................................ 7-2
MX-82 ......................................................................................................... 7-3
8. Board Layouts and Locations of Components
CPU-94 ........................................................................................................ 8-2
MX-82 ......................................................................................................... 8-4
IPM-80 ........................................................................................................ 8-5
OPM-24 ....................................................................................................... 8-5
CN-1388 ...................................................................................................... 8-6
CNB-10 ....................................................................................................... 8-6
HN-237 ........................................................................................................ 8-8
HN-238 ...................................................................................................... 8-10
MB-721 ..................................................................................................... 8-12
DP-251 ...................................................................................................... 8-14
FL-235 ....................................................................................................... 8-14
PS-453 ....................................................................................................... 8-14
9. Schematic Diagrams
CN-1388 ...................................................................................................... 9-2
CNB-10 ....................................................................................................... 9-3
DUS-971 ..................................................................................................... 9-3
CPU-94 ........................................................................................................ 9-4
HN-237 ...................................................................................................... 9-10
HN-238 ...................................................................................................... 9-11
MB-721 ..................................................................................................... 9-12
MX-82 ....................................................................................................... 9-15
IPM-80 ...................................................................................................... 9-23
OPM-24 ..................................................................................................... 9-23
DP-251 ...................................................................................................... 9-25
FL-235 ....................................................................................................... 9-25
PS-453 ....................................................................................................... 9-25
FRAME ..................................................................................................... 9-26

5 (E)
BVS-A3232
Manual Structure
Purpose of this manual
This manual is the maintenance manual of following models.
Analog Audio Routing Switcher BVS-A3232
Backup Power Supply for BVS-A3232 BKDS-PA3291
Backup Control Board BKDS-RS1690
This manual is intended for use by trained system and service engineers, and
describes the information for maintenance and detailed service.
n
The functions and specifications of BKDS-PA3291 and BVS-A3232’s power supply
unit are equal. Therefore, BKDS-PA3291 and BVS-A3232’s power supply unit are
described in this manual as ‘’Power Supply Unit”.
Contents
This manual is organized by following sections.
Section 1 Installation
This section explains the installation environment, the power specifications, the
power cord of recommendation and the installation of the optional board/unit, etc.
Section 2 Service Information
This section explains the location of main parts, the removal of panels, how to
replace the parts, the cleaning procedure of the air filter, how to use the extension
boards, and ISR (Interactive Status Reporting).
Section 3 Maintenance Mode
This section explains the test mode and error indications.
Section 4 Electrical Alignment
This section explains the adjustment after replacing the power supply unit and part.
Section 5 Spare Parts
This section describes the spare parts.
Section 6 Semiconductor Pin Assignments
This section describes the pin assignments of semiconductors.
Section 7 Block Diagrams
This section describes the block diagrams of overall, CPU-94 board and MX-82
board.
Section 8 Board Layouts and Locations of Components
This section describes the board layouts and locations of components.
Section 9 Schematic Diagrams
This section describes the schematic diagrams of the boards.

6 (E) BVS-A3232
Related manuals
The following manuals are prepared for BVS-A3232 and BKDS-PA3291/RS1690.
• Operation Manual (Supplied with BVS-A3232)
This manual describes the notes on operating, the locations and functions of parts
and controls, and the specifications of BVS-A3232.
• Installation Manual (Supplied with BVS-A3232)
This manual contains the information on setting up the software when installing
BVS-A3232.

1-1(E)
BVS-A3232
Section 1
Installation
1-1. Installation Procedure
The installation procedure of BVS-A3232 is shown in the following flowchart.
Refer to each item in this manual for details.
1-2. Supplied Accessories
Connector Cover Set 32 sets
(including cable retainer, sticker, and sticker clear cover)
Connector Plug 32 pcs
75 ΩTerminator (BNC Type) 3 pcs
BNC Connector (T Type Bridge) 1 pc
Screws for Connector 2 pcs
Operation Manual 1 pc
Maintenance Manual 1 pc
Installation Manual for Software 1 pc
Start
Determining the Location
of Installation
Installation of the Optional Unit
and Board
Rack Mounting
Connection
Switch Settings on the Board
End
1-3. Operating Environment
1-4. Power Supply
1-5. Installation Space
1-6. Installation of the Backup Power Supply Unit (BKDS-PA3291)
1-7. Installation of the Backup CPU Board (BKDS-RS1690; CPU-94 Board)
1-8. Rack Mounting
1-9. Connectors
1-10. Signal Inputs and Outputs
1-11. System Connection
1-12. Settings of Switches and Controls/LED Functions on Board
1-2-1. How to Make XLR Connector Cable

1-2(E) BVS-A3232
1-2-1. How to Make XLR Connector Cable
The connector plugs and the connector covers are supplied with the BVS-A3232.
When connecting an XLR connector cable to the audio signal input/output
connector, it is necessary to make the cable with the supplied plug.
Make the XLR connector cable following the procedure described below.
Supplied Accessories
Connector plug (MC 6-pin type) 32 pcs
Connector cover set 32 sets
Parts to be Prepared
XLR connector 64 pcs
Two conductor shielded wire 64 pcs
A supplied connector plug requires two XLR connectors and two wires.
Procedure
1. Connect an XLR connector to one end of the two conductor shielded wire.
2. Strip off about 6.5 mm of insulation at the other end of the wire.
3. Insert the stripped core wires to the corresponding inlets of the supplied connec-
tor plug. Secure the wires using the plug screws. (H: HOT, C: COLD, G: GND)
Tightening torque: 0.29 N.m (3 kgf.cm)
1-2. Supplied Accessories
6.5 mm
Two conductor shielded wire Plug
Odd channel Even channel
H C G H C G

1-3(E)
BVS-A3232
4. Put the plug connected the cables on the cover (B) and
secure the cables with the supplied cable retainer. Then,
fit the cover (A) over the plug.
5. Insert the plug to the rear connector of the BVS-A3232
and secure it with the two screws.
1-3. Operating Environment
Operating temperature +5 °C to +40 °C
Performance temperature +10 °C to +35 °C
Humidity 20% to 80% (No condensation)
Mass About 16 kg
(Maximum mass with all optional boards and units
installed)
To prevent overheating of the BVS-A3232 ensure that
there is good air circulation around the unit.
1-4. Power Supply
1-4-1. Power Supply Specifications
Power voltage AC 100 V to 240 V ±10%
Power frequency 50 or 60 Hz
Power consumption 0.6 A to 1.2 A
(Maximum power consumption with all optional boards
and units installed)
Rush current 15 A (100 V, 25 °C)
30 A (240 V, 25 °C)
1-4-2. Recommended Power Cord
For customers in the U.S.A. and Canada
Required Part
11
11
1Power Cord, 125 V 10 A (2.4 m): 1-557-377-11
For customers in the United Kingdom
Required Part
11
11
1Power Cord, 250 V 10 A (2.5 m): 1-590-910-11
n
For the customers outside of the area as shown above,
please consult with local Sony’s sales/service office.
w
Use the specified power cord only.
Be sure to use the recommended power cord to avoid fire
and/or an electric shock.
c
Ground the unit for safety.
Be sure to attach a ground wire to avoid an electric shock.
AC Inlet
(Main unit)
1
AC Inlet
(Main unit)
1
1-2. Supplied Accessories
1-3. Operating Environment
1-4. Power Supply
Plug
Two conductor shielded wire
XLR connectors
Cover (B)
Cover (A)
Cable retainer
BVS-A3232
(rear)
Connector
Screw Screw

1-4(E) BVS-A3232
1-5. Installation Space
n
Do not block the ventilation holes of the unit.
Both of the front and rear side must be at least 10 cm away from the walls for ventilation and maintenance.
•The outer dimensions of the BVS-A3232 are as shown in the figure below.
1-5. Installation Space
Unit: mm
415.9
263.5
123.873
66
39.7
82.3
501 26
132 (3U)
57.2
424
465
482
57.2

1-5(E)
BVS-A3232
1-6. Installation of the Backup Power Supply Unit (BKDS-PA3291)
Set the power switch of the BKDS-PA3291 to the “O”position before installing it to the BVS-A3232.
n
The backup power supply unit (BKDS-PA3291) can be installed in the BVS-A3232 while the power
switch is set to ON.
However, the power switch of the BKDS-PA3291 must be set to OFF before installing BKDS-PA3291.
1-6. Installation of the Backup Power Supply Unit (BKDS-PA3291)
6. Connect the power cord to an AC IN receptacle on the
left-hand side (when viewed from the rear side).
7. Turn on the power and make sure that the status
indicator lights.
n
If the status indicator does not light, turn off the power
and consult with local Sony’s sales/service office.
Removal procedure
1. Turn off the power of the power supply unit which you
want to remove.
2. Remove the two screws on the upper side at front of
the BKDS-PA3291.
3. Pull out the BKDS-PA3291 from the slot using its
front handle.
4. Secure the blank panel with the two screws removed in
step 2.
Installation procedure
1. Loosen the two screws (with stopper) and remove the
front panel.
2. Remove the two screws and remove the blank panel.
3. Make sure that the power switch of the BKDS-PA3291
is set to the “O”position.
4. Insert the BKDS-PA3291 into the BVS-A3232 and
push it by hand as far as it will go.
5. Secure the BKDS-PA3291 with the two screws
removed in step 2.
Status
indicator
Handle
PSW 4X8
Screw
(with stopper)
Blank panel
Front panel
Screw
PSW 4X8

1-6(E) BVS-A3232
1-7. Installation of the Backup CPU Board (BKDS-RS1690; CPU-94 Board)
1-7-1. Installation Procedure
1-7. Installation of the Backup CPU Board (BKDS-RS1690; CPU-94 Board)
1. Turn off the power of the BVS-A3232.
2. Loosen the two screws and remove the front panel.
3. Remove the four screws and remove the board
retainer.
4. Insert the board along with the board guide rail into
slot 3. Turn the board levers in the direction of the
arrows 1after inserting the board to the end of the
slot by hand.
5. Install the board retainer with the four screws removed
in step 3.
6. Install the front panel.
n
When removing the board, turn the board levers in the
direction of the arrows 2, and remove the board from the
slot.
Board retainer
Board retainer
PTTWH
3X6
PTTWH
3X6
Board lever
• To remove the board
• To install the board
Board lever
1
2

1-7(E)
BVS-A3232
1-7-2. Initial Setting of the Backup CPU-94 Board
Backup CPU-94 board is used in some different models in addition to BVS-A3232.
Therefore, it is necessary to enter the name and code of the installed model into RAM with battery on the
backup CPU-94 board when installing.
Equipment required
A personal computer with the terminal software installed.
Installation procedure
1. Turn off the power of the BVS-A3232.
2. Remove the CPU-94 board which has been already installed in slot 4.
n
Check to see that the software version of the backup CPU-94 board agrees with the version of the
removed CPU-94 board.
IC to check: ICG6 (G-6)
When the software versions are different, consult with local Sony’s sales/service office.
3. Connect a personal computer to REMOTE 3 of the BVS-A3232.
4. Set the switch S8-5 on the backup CPU-94 board to ON and insert the board to slot 3.
5. Turn on the power.
6. Enter the model name “BVS-A3232”following “Model:”on the terminal screen and press the enter
key.
7. Enter the model code “22”following “Model Code:”on the terminal screen and press the enter key.
8. Turn off the power. Remove the backup CPU-94 board from slot 3.
9. Set the switch S8-5 on the backup CPU-94 board to OFF and return the board to slot 3.
10. Insert the CPU-94 board removed in step 2, into slot 4 and turn on the power.
1-7. Installation of the Backup CPU Board (BKDS-RS1690; CPU-94 Board)
Model : BVS-A3232 "
Model Code : 22 "
SONY Digital Routing System BVS-A3232 Vx. xx
ITEM
ROM CHECK SUM
RAM READ AND WRITE
REFERENCE SIGNAL
S-BUS LINK TERMINATE
REAL TIME CLOCK
STARTED
xxxx
OK
OK
OK
OK
Model name Software version
ROM checksum

1-8(E) BVS-A3232
1-8. Rack Mounting
c
BVS-A3232 can be mounted on an EIA Standard 19-inch
rack. Be sure to use the following rail kit.
Sony Rack Mount Rail
RMM-30 1 set
•Constituent parts
Rails with bracket 2 pcs
Screws (+PWH 4X 10) 2 pcs
Plate nut M4 2 pcs
Screw (+B 5X 8) 8 pcs
n
Usable rack is shown below.
Racks having a depth of 660 to 830 mm
Refer to the Installation Manual packed with the rack
mounting rail RMM-30 for details on how to install to the
rack mounting rail.
1-8. Rack Mounting
Unit: mm
660-830 mm
(26-33
3/4" )
Front Rear
The maximum movable distance of the BVS-A3232 when mounted on a rack is as follows.
n
BVS-A3232 has the screw holes (M4) for feet mounting in
the bottom panel.
If mounting feet with screws, use the screws to satisfy the
following specification. If not, the BVS-A3232 may be
damaged.
•Screw protrusion : 5 mm or less from the surface of
(After mounting foot) bottom panel.
Rail with bracket
5 mm or less
Foot
Screw
Bottom panel
132
66
Height to the center of slide rail
Height of the unit when mounted in a rack
Maximum movable distance 581

1-9(E)
BVS-A3232
1-9. Connectors
When external cables are connected to the various connectors on the connector panel, the hardware listed
below (or the equivalents) must be used.
Connector of the BVS-A3232 Side Matching Connectors or Cables
Connector Function Connector Type Connector Type Sony Parts Number
REMOTE REF IN (X 2) BNC BNC 75 Ω1-564-742-11
REMOTE 1 (X 3) BELDEN 8281 cable
REMOTE 2 D-sub 9-pin, female D-sub 9-pin, male 1-509-140-21
RCC-5G, -10G and -30G (cables) *
REMOTE 3 D-sub 25-pin, female D-sub 25-pin, male 1-566-356-11
RS-232C cable
INPUT (1 to 32) MC 6-pin, male MC 6-pin, female 1-778-702-11
OUTPUT (1 to 32)
* These cables are available as optional accessories. The lengths of the cables are 5 m, 10 m and 30 m respectively.
1-10. Signal Inputs and Outputs
The input and output signals of the connectors on the control panel are as follows.
1-9. Connectors
1-10. Signal Inputs and Outputs
REMOTE 2 (D-sub 9-pin, Female)
<External View>
Pin No. Signal Function Input or
Output
1 F.G. FRAME GROUND –
2 Tx1 (–) TRANSMIT A Output
3 Rx1 (+) RECEIVE B Input
4 Rx COM RECEIVE SIGNAL COMMON –
5 SPARE ––
6 Tx COM TRANSMIT SIGNAL COMMON –
7 Tx1 (+) TRANSMIT B Output
8 Rx1 (–) RECEIVE A Input
9 N.C. ––
51
6
9

1-10(E) BVS-A3232
REMOTE 3 (D-sub 25-pin, Female)
<External View>
Pin No. Signal Function Input or
Output
1 F.G. FRAME GROUND –
2 TXD OUT TRANSMIT Output
3 RXD IN RECEIVE Input
4 RTS REQUEST TO SEND Output
5 CTS CLEAR TO SEND Input
6 DSR DATA SET READY Input
7 S.G. SIGNAL GROUND –
8–– –
9–– –
10 –– –
11 –– –
12 –– –
13 –– –
14 –– –
15 –– –
16 –– –
17 –– –
18 –– –
19 –– –
20 ER DATA TERMINAL READY Output
21 –– –
22 –– –
23 –– –
24 –– –
25 –– –
13
25
1
14
Input/Output (MC 6-pin, male)
<External View>
Pin No. Signal
1 HOT (ODD CHANNEL)
2 COLD (ODD CHANNEL)
3 GROUND (ODD CHANNEL)
4 HOT (EVEN CHANNEL)
5 COLD (EVEN CHANNEL)
6 GROUND (EVEN CHANNEL)
16
1-10. Signal Inputs and Outputs

1-11(E)
BVS-A3232
1-11. System Connection
1-11. System Connection
Windows is a trademark of Microsoft corporation.
Either one of the REMOTE 1 connectors of the secondary station routing switchers can be used.
[Terminal]
[Primary station]
Level 1
REMOTE 3
REMOTE 1
Source
VTR
Video routing
switcher
DVS-V6464B (M)
Destination VTR
[Secondary stations]
Maximum 253 units
Maximum
128 units
Analog audio
routing
switcher
BVS-A3232 (S)
Analog video
routing
switcher
BVS-V3232 (S)
Timecode
routing
switcher
DVS-TC3232 (S)
Switcher
Level 2 Level 3 Level 4 Level 5 Level 8
REMOTE
REMOTE
REMOTE
REMOTE
REMOTE
REMOTE
REMOTE
REMOTE
REMOTE
BKS-R3204
BKS-R3204
BKS-R3205
BKS-R3204
BKS-R3204
BKS-R3206
BKS-R3202
BKS-R3203
BKS-R3202
RS-422A
remote routing
switcher
DVS-RS1616 (S)
Personal computer with
a communication software
or Windows 3.1 installed
T type bridge
75Ωterminator
(Connect the 75Ωterminators to the T type bridge of the last device on a S-BUS data link and to the unused REMOTE 1 connectors.)

1-12(E) BVS-A3232
1-12. Settings of Switches and Controls/LED Functions on Board
S4
S8
S5
S6
ND1
S7
S1
COR1
D22
D18
D15
D20
D17
D19
D24
D21 S2
S3
11
RV3 RV2
CPU-94 Board (Side A/Component Side)
1-12. Settings of Switches and Controls/LED Functions on Board
n
Addresses of components on the board are shown in parentheses following reference number.
1-12-1. CPU-94 Board (BVS-A3232, BKDS-RS1690)
Factory Setting List
SW No. Set Position Remarks
S1 S1-1 SYNC Upper Position
S1-2 –Lower Position
S1-3 M Lower Position
S1-4 –Lower Position
S4 1
S5 All ON
S6 All ON
S7 0
S8 S8-1 to S8-3 ON
S8-4 to S8-8 OFF
COR1 ON
S1 (A-8): (DIP switch)
The factory setting is as follows.
(The mark indicates the switch lever position.)
•S1-1: SW POINT
This switch selects switch timing, synchronous or asynchronous with the crosspoint for the reference video signal.
Upper position (SYNC) : Signal is switched synchronous with the reference video signal. (Factory setting)
Lower position (ASYNC) : Signal is switched asynchronous with the reference video signal.
•S1-2: KILL
All activity is shut down if the switch is set to the upper position (KILL ON).
Be sure to set to the lower position in usual.
Factory setting: Lower position (KILL OFF)
•S1-3: M/S Switch
This switch defines this unit as the primary station or the secondary station on the S-BUS link.
Upper position (S) : Secondary station
Lower position (M) : Primary station (Factory setting)
LED D24 (M/S lamp) lights.
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Do not set two or more primary stations on a single S-BUS data link.
•S1-4: NTSC/PAL Mode
This switch selects the timecode format but not used in the BVS-A3232.
Factory setting: Lower position (NTSC)
(UPPER)
(LOWER)
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