Sony BVS-A3232 Maintenance Manual
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Sony BVS-A3232 Maintenance Manual

Analog audio routing switcher
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ANALOG AUDIO ROUTING SWITCHER
BVS-A3232
BACKUP POWER SUPPLY FOR BVS-A3232
BKDS-PA3291
BACKUP CONTROL BOARD
BKDS-RS1690
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)
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Summary of Contents for Sony BVS-A3232

  • Page 1 ANALOG AUDIO ROUTING SWITCHER BVS-A3232 BACKUP POWER SUPPLY FOR BVS-A3232 BKDS-PA3291 BACKUP CONTROL BOARD BKDS-RS1690 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)
  • Page 2 When this product is installed in a rack, please make sure that the internal air ambient temperature of the For the Sony Service Center nearest you call 1-800- rack is within the specified limit of this product. 222-SONY (United States only) For the Factory Service Center nearest you call 416- 4.

  • Page 3: Table Of Contents

    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.
  • Page 4 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 2(E) BVS-A3232...
  • Page 5 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 3(E) BVS-A3232...

  • Page 7: Manual Structure

    This manual is intended for use by trained system and service engineers, and describes the information for maintenance and detailed service. 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.

  • Page 8: Related Manuals

    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.

  • Page 9: Installation

    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. Start 1-2-1. How to Make XLR Connector Cable Determining the Location 1-3. Operating Environment of Installation 1-4.

  • Page 10: How To Make Xlr Connector Cable

    1-2. Supplied Accessories 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.

  • Page 11: Operating Environment

    Cover (B) 1 Power Cord, 125 V 10 A (2.4 m): 1-557-377-11 AC Inlet (Main unit) 5. Insert the plug to the rear connector of the BVS-A3232 and secure it with the two screws. BVS-A3232 (rear) For customers in the United Kingdom...

  • Page 12: Installation Space

    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. 415.9 263.5...

  • Page 13: Installation Of The Backup Power Supply Unit (Bkds-Pa3291)

    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. The backup power supply unit (BKDS-PA3291) can be installed in the BVS-A3232 while the power switch is set to ON.

  • Page 14: Installation Of The Backup Cpu Board (Bkds-Rs1690; Cpu-94 Board)

    1-7. Installation of the Backup CPU Board (BKDS-RS1690; CPU-94 Board) 1-7-1. Installation Procedure 1. Turn off the power of the BVS-A3232. 4. Insert the board along with the board guide rail into 2. Loosen the two screws and remove the front panel.

  • Page 15: Initial Setting Of The Backup Cpu-94 Board

    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.

  • Page 16: Rack Mounting

    RMM-30 for details on how to install to the rack mounting rail. The maximum movable distance of the BVS-A3232 when mounted on a rack is as follows. Maximum movable distance 581 Height to the center of slide rail...

  • Page 17: Connectors

    1-10. Signal Inputs and Outputs 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...
  • Page 18 – – – – – – – – – – – – – – – – – – – DATA TERMINAL READY Output – – – – – – – – – – – – – – – 1-10(E) BVS-A3232...

  • Page 19: System Connection

    Timecode RS-422A Analog audio Maximum 253 units routing routing remote routing routing Switcher switcher switcher switcher switcher BVS-A3232 (S) BVS-V3232 (S) DVS-TC3232 (S) DVS-RS1616 (S) Level 3 Level 4 Level 5 Level 8 Level 2 REMOTE REMOTE REMOTE BKS-R3204 BKS-R3204...

  • Page 20: Settings Of Switches And Controls/Led Functions On Board

    LED D24 (M/S lamp) lights. 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) 1-12(E)
  • Page 21 • S8-5 : Model name setting When a backup CPU-94 board is installed, it is necessary to input “BVS-A3232” as a supported model into the board. Set the switch to ON to enter the mode to input the model name. Set the switch to OFF for normal operation.
  • Page 22 • 625 LINE switching point ODD FIELD (Setting of S4) SYNC LINE No. EVEN FEILD (Setting of S4) SYNC LINE No. Selection of switching point is disabled if S4 is set to any position other than the above positions. 1-14(E) BVS-A3232...
  • Page 23 Lights when the CPU is set as a primary station on the S-BUS link. COR1 (N-8): REMOTE 2 (RS-422A) TERMINATE Set to ON position to control the BVS-A3232 via 9-pin remote. When connecting multiple BVS-A3232s in the multidrop configuration (connecting multiple BVS- A3232s in a daisy chain connection using loop-through and control them via 9-pin remote), set only COR1 of the last device on the daisy chain to ON.

  • Page 24: Board

    COR1 to COR16: Input impedance selection (Input/Output 17 to 32) They select the termination resistance. The number printed on the board represents the input and output channel. ON : 600 Ω OFF : 10 kΩ Factory setting: All ON 1-16(E) BVS-A3232...

  • Page 25: Board

    BKS-R3281 (SINGLE STATUS DISPLAY UNIT) • 9-pin Remote Cable RCC-5G (5m) RCC-10G (10m) RCC-30G (30m) • Extension Board EX-351 Board J-6185-310-A For CPU-94 and MX-82 Boards For CPU-94 Board • Recommended Coaxial Cable 75 Ω BELDEN 8281 • Rack Mounting Rail...

  • Page 27: Service Overview

    Front Panel Removal Loosen the two screws. PS-453 board DP-251 board Top plate B 3X6 B 3X6 Screw MX-82 board CPU-94 board Screw Front panel HN-237 board MB-721 board DUS-971 board CNB-10 board HN-238 board CN-1388 board 2-1(E) BVS-A3232...

  • Page 28: Printed Circuit Board Function

    2-3. Printed Circuit Board Function 2-4. Switching Regulator Replacement 2-3. Printed Circuit Board Function 2-4. Switching Regulator Replacement 2-3-1. BVS-A3232 Adjust power voltage after the switching regulator replace- ment. (Refer to Section 4-1.) Block Board Function Replacement Front Side CPU-94 CONTROL BOARD 1.
  • Page 29 4. Remove the three screws and disconnect the two connectors (CN3, CN10) on the PS-453 board. PSW 3X6 PTTWH 3X6 CN6 CN4 PTTWH CN10 PS-453 board To remove the PS-453 board, also remove the five connec- tors (CN4, CN5, CN6, CN8, CN9). 2-3(E) BVS-A3232...

  • Page 30: Backup Battery Replacement

    DC Fan cover the board at soldering. • 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, recy- cling or proper disposal. B 4X30 Note : In some areas, the disposal of nickel-cadmium batteries in household or business trash may be prohibit.

  • Page 31: Connector Panel Replacement

    5. Replace and attach the connector panel in the reverse order of steps 1 to 4. Upper connector panel CN22 CN24 CN23 B 3X6 Middle CN21 CN20 connector panel B 3X6 B 3X6 B 3X6 Lower connector panel 2-5(E) BVS-A3232...

  • Page 32: Board Replacement

    6. Replace and attach the MB-721 board in the reverse the lower slot. (Refer to Section 2-7.) order of steps 1 to 5. Attach the connector panels from the lower slot to the PTTWH 3X6 upper slot. PTTWH 3X6 Stay MB frame MB-721 board PTTWH PTTWH 3X6 2-6(E) BVS-A3232...

  • Page 33: Cleaning

    Model Name Card Board BVS-A3232 CPU-94 • Turn off the power before cleaning the filter. • Be sure to remove the air filter from the front panel MX-82 before cleaning.

  • Page 34: Notes On Repair Parts

    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- Rail ality and improvement. Parts list has the present standardized repair parts.

  • Page 35: Isr (Interactive Status Reporting) System

    The BVS-A3232 can be used in this ISR system. This section describes the information required when the BVS-A3232 are connected to the ISR system. For more details of the ISR system, refer to the manual supplied for the application program and the optional ISR protocol manual.
  • Page 36 2-12. ISR (Interactive Status Reporting) System • When connected with a computer via a modem D-sub 25-pin (male) D-sub 25-pin SIGNAL PIN No. PIN No. SIGNAL BVS-A3232 MODEM (REMOTE 3) Connection example: IBM PC Ethernet Terminal Server Terminal Server Control Terminal...

  • Page 37: Mode Selection Of Remote 3 Connector

    Turn on the power or reset the CPU. For secondary station Discrimate between primary station ISR mode and secondary station. For primary station S8-8 : OFF Terminal mode Confirm that the TERMINAL/ISR SELECT switch (S8-8) is set properly. S8-8 : ON ISR mode 2-11(E) BVS-A3232...

  • Page 39: Maintenance Mode

    Maintenance Mode 3-1. Mode Type The BVS-A3232 has the multiple self-diagnostics functions (maintenance mode). The mode is changed with rotary switch S7 (TEST switch) on the CPU-94 board as shown below. The test result of each mode is shown in the error No. indicator (ND1) and the CPU indicators (D15, D17 through D22, and D24).

  • Page 40: Normal Mode

    3-3. Table Initialization Mode 3-2. Normal Mode In the NORMAL mode, the self-diagnostics are running on the BVS-A3232 under operating conditions. The following items are displayed depending upon the setting of S7. The setting of S7 can be changed during operation.

  • Page 41: Test Mode

    • Status indicator (D5) on the DP-251 board Set S7 to 8 and press S2 to start the test. Check that the LEDs light in the specified pattern shown below. DP-251 board CPU-94 board S7 Setting: 8 (Press S2 after changing the setting.) CPU indicators 3-3(E) BVS-A3232...
  • Page 42 Lighting Pattern of the Status Indicator 0.5-second Light always • The LED (D5) which lights in green on the DP-251 board turns red once every two seconds. 0.5-second Light always 0.5-second Light always Light always 0.5-second : Not light 3-4(E) BVS-A3232...

  • Page 43: Dip Switch And Rotary Switch Test

    On input CH2: Output CH1→Output CH2→Output CH3→··· Input CH Output CH S7 Setting: B (Press S2 after changing the setting.) The number of the selected (connected) output channel currently is displayed on ND1 (01 through FF). This checks the signal transmission circuit. 3-5(E) BVS-A3232...

  • Page 44: S-Bus (Remote 1) Test

    When an operation error is detected, the D21 (ERR) on the CPU-94 board lights in red. Numbers appear in the order of 00, 11 and 22 up to FF on ND1 at about one-second intervals. S7 Setting: C (Press S2 after changing the setting.) indicators D21 (ERR) CPU-94 board (A side/component side) 3-6(E) BVS-A3232...

  • Page 45: Rs-232C (Remote 3) Test

    Test Result ND1 Display Test Result Numbers from 00 to FF appear in order. Normal Numbers from 00 to FF appear in order. Normal A fixed value appears. Error A fixed value appears. Error Example: 00 Example: 00 3-7(E) BVS-A3232...

  • Page 46: Buzzer Test

    One of the following errors was detected during self-diagnostics: • The fan stopped. • The S-BUS data link is broken. Shutoff No power supply unit is installed. Or the power output is not supplied even though the power supply unit is installed. 3-8(E) BVS-A3232...
  • Page 47 An error occurred when the ROM checksum test and RAM read test are performed immediately after reset, or a data read error occurred when setting is performed from the control terminal. CPU board operation is defective. FF appears momentarily when reset, but this does not mean operating failure of the CPU board. 3-9(E) BVS-A3232...

  • Page 49: Electrical Alignment

    2. Insert the power supply unit to be adjusted into the slot. (Refer to Section 1-6.) Insert the power supply unit in the outer slot for adjustment. 3. Remove the window cover at the side. PTTWH Window cover Power supply unit 4-1(E) BVS-A3232...

  • Page 50: Adjustment

    Digital voltmeter + probe: TP19 (J-10) – probe: E3 (A-1)/GND TP19 MX-82 board 2. Turn the adjustment control through the hole in the side panel of the BVS-A3232 until the specification below is satisfied. Specification: 5.00 ±0.05 V 4-2(E) BVS-A3232...
  • Page 51 Digital voltmeter + probe: TP18 (H-2) – probe: E3 (A-1)/GND TP18 MX-82 board 2. Turn the adjustment control through the hole in the front of the power supply unit until the specification below is satisfied. Specification: –15.50 ±0.05 V 4-3(E) BVS-A3232...

  • Page 52: Board

    4-2. CPU-94 Board 4-2. CPU-94 Board Connection Use the equipments after calibration. BVS-A3232 REF IN Probe Black burst 75Ω signal Test signal generator Oscilloscope 4-4(E) BVS-A3232...

  • Page 53: Crosspoint Phase Adjustment

    4-2. CPU-94 Board 4-2-1. Crosspoint Phase Adjustment [Equipment Required] • Test signal generator (Sony Tektronix 1410 or equivalent; For U.S.A. and Canada area) (Sony Tektronix 1411 or equivalent; For Europe area) • Oscilloscope • Probe • Extension board (EX-351, Sony part No. : J-6185-310-A)

  • Page 54: Board

    (In slot 1) Ref. number of OPM-24 board OPM-24 board Slot 1 : Match with OUT 16 (OUT 17~32) Slot 2 : Match with OUT 32 MX-82 board (In slot 2) * Use the extension board for adjustment. 4-6(E) BVS-A3232...

  • Page 55: Audio Level Adjustment

    4-3-2. Audio Level Adjustment Equipment Required • Audio signal generator: Sony Tektronix SG505 or equivalent • Audio-level meter: Sony Tektronix AA501A (Audio analyzer) or equivalent • Extension board (EX-351, Sony part No. : J-6185-310-A) Setting Before Adjustment • Setting the audio signal generator 1.
  • Page 56 As for the adjustments of OUT 2 through OUT 32, connect the audio-level meter to each connector (OUT 2 to OUT 32) to be adjusted. (Refer to Section 4-3-1.) Adjust audio level of the respective channels in the same way. 4-8(E) BVS-A3232...

  • Page 57: Spare Parts

    Power Supply Unit & Plug-In Board ......5-4 • CPU-94 Board • MX-82 Board • PS-453 Board • Switching Regulator Rear Panel ..............5-6 • MB-721 Board • CN Panel (CPU) • CN Panel (AU) (A) • CN Panel (AU) (B) • Fan • Rear Panel BVS-A3232...
  • Page 58 3-183-548-02 s SCREW, PANEL SWITCHING 3-191-021-11 o PANEL, FRONT 3-191-027-01 o PLATE, TOP 3-191-037-01 o BOARD, PC 3-191-038-01 o FILTER (3U) 3-191-042-01 o PANEL, BLANK 3-191-326-01 o COVER, ADJUSTMENT WINDOW 3-681-054-01 o POWER SW GUARD 4-886-821-11 s SCREW, S TIGHT, +PTTWH 3X6 BVS-A3232...
  • Page 59 Front Panel B 3X6 B 3X6 POWER UNIT ASSY (BKDS-PA3291) PWH 4X8 PSW 4X8 PSW 4X8 Lustrous side PWH 4X8 BVS-A3232...
  • Page 60 3-174-468-01 o RAIL (60), PC BOARD GUIDE 3-174-853-01 o PLATE, SHIELD 3-191-039-01 o SHEET, FL PC BOARD 3-191-045-01 o SHEET, +15V POWER 3-191-046-01 o SHEET, - 15V POWER 3-688-814-01 s CAP, SWITCH 3-880-616-00 o BOSS 4-886-821-11 s SCREW, S TIGHT, +PTTWH 3X6 BVS-A3232...
  • Page 61 Power Supply Unit & Plug-In Board POWER UNIT ASSY (BKDS-PA3291) BOLT, B 4X12 HEXAGON PWH 3X6 PWH 3X6 B3X6 PSW 3X6 BKDS-RS1690 BVS-A3232...
  • Page 62 1-956-386-11 o HARNESS (FAN) 211 ! 1-956-387-11 o HARNESS (ACIN-A) 212 ! 1-956-388-11 o HARNESS (ACIN-B) 3-171-677-01 o SUPPORT, HEXAGON 3-191-029-02 o PANEL (CPU), CN 3-191-041-01 o COVER, FAN 3-191-048-11 o PANEL (AU), CN 4-886-821-11 s SCREW, S TIGHT, +PTTWH 3X6 BVS-A3232...
  • Page 63 Rear Panel B 4X8 ∗1 ∗2 B 4X8 PS 4X6 PS 4X6 B 4X30 2.6X5 ∗1 B 3X6 ∗2 B 3X6 2.6X5 B 3X6 2.6X5 B 3X6 2.6X5 B 3X6 BVS-A3232...

  • Page 64: Electrical Parts List

    Part No. SP Description 1-128-551-11 s ELECT 22uF 20% 63V ------------------ CAPACITOR, CERAMIC ------------------ Part No. SP Description 1-161-494-00 s CERAMIC 0.022uF 25V NOTE : Please see page 5-8 for the parts that are not listed in the parts list. BVS-A3232...
  • Page 65 1-216-651-11 s METAL, CHIP 1K 0.5% 1/10W 1-216-624-11 s METAL, CHIP 75 0.5% 1/10W 1-208-806-11 s METAL, CHIP 10K 0.5% 1/10W 1-208-806-11 s METAL, CHIP 10K 0.5% 1/10W NOTE : Please see page 5-8 for the parts that are not listed in the parts list. BVS-A3232...
  • Page 66 ----------------------------------- CPU-94 BOARD(BVS-A3232/BKDS-RS1690) (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) ----------------------------------- Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 1-540-069-11 s SOCKET, IC (IC113) 84P 1-161-485-00 s CERAMIC 0.1uF 50V 1-526-660-21 o SOCKET, IC 32P 1-161-485-00 s CERAMIC 0.1uF 50V...
  • Page 67 (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description C305 1-161-485-00 s CERAMIC 0.1uF 50V ICB5 8-759-044-95 s IC MC14495P C526 1-162-302-11 s CERAMIC 0.0022uF 20% 16V C527 1-161-485-00 s CERAMIC 0.1uF 50V...
  • Page 68 (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 8-729-119-77 s TRANSISTOR 2SA1175-FEK 1-215-445-00 s METAL 10K 1% 1/6W 8-729-119-77 s TRANSISTOR 2SA1175-FEK 1-215-421-00 s METAL 1K 1% 1/6W 8-729-119-77 s TRANSISTOR 2SA1175-FEK 1-215-437-00 s METAL 4.7K 1% 1/6W...
  • Page 69 ----------------------------------- (CPU-94 BOARD(BVS-A3232/BKDS-RS1690)) DP-251 BOARD(BVS-A3232/BKDS-PA3291) ----------------------------------- Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description R112 1-215-439-00 s METAL 5.6K 1% 1/6W 1-661-803-11 o PRINTED CIRCUIT BOARD, DP-251 R113 1-215-461-00 s METAL 47K 1% 1/6W...
  • Page 70 1-215-375-00 s METAL 12 1% 1/6W 1-215-408-00 s METAL 300 1% 1/6W 1-215-408-00 s METAL 300 1% 1/6W 1-215-375-00 s METAL 12 1% 1/6W NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-14 BVS-A3232...
  • Page 71 1-215-375-00 s METAL 12 1% 1/6W 1-215-408-00 s METAL 300 1% 1/6W 1-215-408-00 s METAL 300 1% 1/6W 1-215-375-00 s METAL 12 1% 1/6W NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-15 BVS-A3232...
  • Page 72 3-673-772-01 s TERMINAL, TP 3-673-772-01 s TERMINAL, TP 3-673-772-01 s TERMINAL, TP 3-673-772-01 s TERMINAL, TP 1-421-773-11 s FILTER, NOISE 1-421-773-11 s FILTER, NOISE NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-16 BVS-A3232...
  • Page 73 8-759-926-80 s IC SN74HC573BNS IC63 8-759-999-83 s IC DG408DJ IC130 8-759-239-23 s IC TC74HC86AF IC64 8-759-999-83 s IC DG408DJ IC134 8-759-925-76 s IC SN74HC08ANS NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-17 BVS-A3232...
  • Page 74 3-673-772-21 s TERMINAL, TP TP10 3-673-772-21 s TERMINAL, TP TP11 3-673-772-21 s TERMINAL, TP TP12 3-673-772-21 s TERMINAL, TP TP13 3-673-772-21 s TERMINAL, TP NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-18 BVS-A3232...
  • Page 75 ----------------------------------- ----- PS-453 BOARD(BVS-A3232/BKDS-PA3291) FRAME ----------------------------------- ----- Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 3pcs 7-682-547-04 s SCREW +B 3X6 1-413-950-11 s REGULATOR, SWITCHING 2pcs 7-682-947-01 s SCREW +PSW 3X6 1-468-144-11 s REGULATOR, SWITCHING...
  • Page 76 1-561-148-00 o HOUSING, CONNECTOR 4P CN304 1-535-243-21 o CONTACT, CONNECTOR 1-561-148-00 o HOUSING, CONNECTOR 4P (Power Supply Unit) CN201 1-580-349-11 o HOUSING, 20P NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-20 BVS-A3232...
  • Page 77 32pcs 1-778-702-11 o CONNECTOR PLUG 6P 2pcs 3-180-039-01 s SCREW, CONNECTOR 3-704-355-01 o SHEET (STADARD), PROTECTION 32pcs 3-709-117-01 o COVER, CONNECTOR NOTE : Please see page 5-8 for the parts that are not listed in the parts list. 5-21 BVS-A3232...
  • Page 79 NJM4560D-D ....6-8 TC74HC221AF ....6-12 TC74HC688AP ....6-7 PALCE16V8H-25PC/4 ..6-5 TC74HC86AF ....6-12 PEEL18CV8P-25 ....6-8 TL7705CP-B ....6-12 PEEL18CV8PC-25 ... 6-8 UPC311C ......6-12 SN74HC00ANS ....6-8 UPD70325L-10 ....6-12 SN74HC00ANS-E05 ..6-8 UPD72001C-11 ....6-14 BVS-A3232/V3232...
  • Page 80 TRANSISTOR DIODE 1SS119-25 L501B-SRG-P;A=RED,B=GRN 2SA1162-G -TOP VIEW- ERC84-009 2SA1462-Y33 1SS119-25TD 2SA812-T1-M5M6 2SA1462-T1Y33Y34 1SS226 -TOP VIEW- 1SS123-T1 2SA1175-FEK TYPE No. PRINTED 2SA1175-HFE 2SA1175TP-FEK 2SA1175TP-HFE D30SC4M TYPE NO. PRINTED 2SC2785-HFE 2SC2785TP-HFE 2SC2785TP-E -TOP VIEW- 2SC3545-T43 2SC3545-T1T43T44 GL-6R202;RED RN1201 (R1=4.7K,R2=4.7K) HLMP-6300-010;RED HLMP-6500-010;GREEN BVS-A3232/V3232...
  • Page 81 ; CHIP ENABLE INPUT LITHIUM CELL A TO D A TO D STROBE A & D A & D B & C ; OUTPUT ENABLE INPUT ; WRITE ENABLE INPUT HI-Z HI-Z LOW LEVEL X; DON'T CARE HIGH LEVEL HI-Z; HIGH IMPEDANCE BVS-A3232/V3232...
  • Page 82 SELECT IN OUT SYMBOL IN OUT SYMBOL IN OUT SYMBOL IN OUT SYMBOL CONTROL DD (+5 V) DD (+5 V) CXA1432M (SONY)FLAT PACKAGE CXA1432M-T4 MODE VIDEO SIGNAL CLAMPER PORT A DATA BUS — TOP VIEW — PORT B DATA BUS...
  • Page 83 CXK58257ASP-10L (SONY) DG408DJ (SILICONIX) C-MOS 256K (32768x8)-BIT STATIC RAM C-MOS 8-CHANNEL SINGLE-ENDED ANALOG MULTIPLEXER —TOP VIEW— –TOP VIEW– (+5V) I/O 1 I/O 2 I/O 3 (-15V) I/O 4 (+15V) I/O 5 I/O 6 I/O 7 I/O 8 I/O 8 A0-A14 ;...
  • Page 84 OUTPUT AND PROGRAM LT1252CS8 (LINEAR TECH)FLAT PACKAGE BUFFERS LOGIC LT1252CS8-E2 VIDEO AMPLIFIER DECODER GATING —TOP VIEW— 2-12, 23 25-29 ADDRESS INPUTS A0 - A16 1,048,576 DECODER CELL MATRIX (+5 to +12V) IN(+) – IN(–) (–5 to –12V) IN(–) IN(+) BVS-A3232/V3232...
  • Page 85 -TOP VIEW- (+4.5 to +16V) INPUTS OUTPUTS INPUTS OUTPUT DISPLAY P, Q P>Q P
  • Page 86 1 ; HIGH LEVEL NOTE: TYPE TC74AC00 TYPE +2 to +5.5V TC74VHC00 MC74HCT00N 74ACT00 TYPE +4.5 to +5.5V OTHER TYPES +2 to +6V NE5532P (TI) LOW NOISE OPERATIONAL AMPLIFIER –TOP VIEW– (+3 to +20V) – + – (-3 to -20V) BVS-A3232/V3232...
  • Page 87 ; HIGH LEVEL 4.5V 1.9V 2.7V NOTE : 6.0V 2.6V 3.6V TYPE +2 to +5.5V LOW LEVEL TC40H +2 to +8V HIGH LEVEL ACT/HCT OTHER TYPES +2 to +6V NOTE : TYPE +2V to +5.5V TC74AC/VHC +2V to +6V OTHER TYPES BVS-A3232/V3232...
  • Page 88 C-MOS BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS — TOP VIEW — HI-Z HI-Z LOW LEVEL HIGH LEVEL DON'T CARE HI-Z ; HIGH IMPEDANCE NOTE : TYPE AC/VHC +2 V to +5.5 V +2 V to +6 V ABT/ACT/BCT/HCT/VHCT +5 V 6-10 BVS-A3232/V3232...
  • Page 89 +2 to +6V SN74LS07NS (TI)FLAT PACKAGE ; LOW LEVEL ; HIGH LEVEL SN74LS07NS-E05 ; DON´T CARE TTL BUFFER/DRIVER WITH OPEN-COLLECTOR –TOP VIEW– (+5V) Y = A 0 ; LOW LEVEL 1 ; HIGH LEVEL * ; OPEN COLLECTOR 6-11 BVS-A3232/V3232...
  • Page 90 P20 / DMARQ0 P21 / DMAAK0 1 V-REF P22 / TC0 P23 / DMARQ1 P24 / DMAAK1 P25 / TC1 P26 / HLDAK P27 / HLDRQ RESET UPC311C (NEC) VOLTAGE COMPARATOR -TOP VIEW- ( +5 to +36V ) – 6-12 BVS-A3232/V3232...
  • Page 91 IOSTB P26/HLDAK MREQ P27/HLDRQ P10/NMI P11/INTP0 P12/INTP1 P13/INTP2/INTAK P14/INT/POLL P15/TOUT — P16/SCKO P17/READY P07/CLKOUT RXD0 — CTS0 TXD0 RXD1 CTS1 TXD1 — P20/DMARQ0 — — (+5V) — P21/DMAAK0 — P22/TC0 (+5V) — RESET P23/DMARQ1 REFRQ P24/DMAAK1 P25/TC1 MSTB 6-13 BVS-A3232/V3232...
  • Page 92 IN/OUT CTSB XI2B/SYNCB XI2A/SYNCA IN/OUT IN/OUT DCDB XI1B/STR RTSB IN/OUT IN/OUT ø IN/OUT RTSA IN/OUT DRQR IN/OUT RESET RESET IN/OUT DRQR DRQT (+5V) DTRB/DRQR DTRA/DRQT DRQT IN/OUT INTAK DTRA/DRQT DTRB/DRQR RTSB INTAK XI2B/SYNCB IN/OUT XI1B/STR CTSB DCDB IN/OUT 6-14 BVS-A3232/V3232...
  • Page 93 INPUT OUTPUT REF VIDEO S-BUS RS-422A RS-232C 17 32 17 32 CNB-10 CNB-10 HN-237 HN-238 CN-1388 DUS-971 POWER SUPPLY BKDS-PA3291 (OPTION) MX-82 MX-82 CPU-94 POWER SUPPLY +15V SW'ING REG CPU-94 SW'ING REG BKDS-RS1690 (OPTION) MB-721 OVERALL Block Diagram B-¥BVSA3232-ALLBLOCK BVS-A3232...
  • Page 94 REF IN INTP0 RUN,ERR,S-BUS Tx Rx ,RS422 Tx Rx ,ACT ICE1 BUZZER A0-A19 ICC13 20MHZ ICC9,ICM9 RESET RESET REDUNDANT CPU STATUS OUT RESET STATUS BATTERY 3.6V TIMER EEPROM CPU-94 Block Diagram LOT NO. 202- ICJ8 ICG6 ICK7 ICK6 B-¥BVSV3232-CPU94BLOCK BVS-A3232...
  • Page 95 INPUT 3 INPUT 4 BUFFER IC13 IC17 IC81 IPM-80 INPUT 29 INPUT 30 BUFFER IPM-80 INPUT 31 OPM-24 OPM-24 OPM-24 INPUT 32 BUFFER GAIN GAIN GAIN OUTPUT 1 OUTPUT 2 OUTPUT 32 MX-82 Block Diagram LOT NO. 603- B-¥BVSA3232-MXBLOCK BVS-A3232...
  • Page 97 PS-453 Power Supply Board 8-14 BKDS-PA3291 (Option) Block Board Name Function Page Power Supply Block DP-251 LED Board 8-14 FL-235 Filter Board 8-14 PS-453 Power Supply Board 8-14 BKDS-RS1690 (Option) Block Board Name Function Page Front CPU-94 Control Board BVS-A3232...
  • Page 98 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 FL10 FL11 RB11 FL12 RB12 FL13 RB14 FL14 RB16 FL15 RB17 FL16 RB18 FL17 RB19 FL18 RB20 FL19 RB21 FL300 RB300 FL301 RB301 FL302 RB302 FL303 FL304 CPU-94 -A SIDE- 1-642-697-13 BVS-A3232...
  • Page 99 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 FL10 FL11 RB11 FL12 RB12 FL13 RB14 FL14 RB16 FL15 RB17 FL16 RB18 FL17 RB19 FL18 RB20 FL19 RB21 FL300 RB300 FL301 RB301 FL302 RB302 FL303 FL304 CPU-94 -B SIDE- 1-642-697-13 BVS-A3232...
  • Page 100 IC27 C209 IC28 C218 IC29 C219 IC30 C228 IC31 C229 IC32 C238 IC33 C239 IC34 C240 IC35 C241 IC36 C242 IC37 C243 IC38 C244 IC39 C245 IC40 MX-82 C246 IC41 -A SIDE- C247 IC50 C248 IC51 1-660-074-11 C249 IC52 BVS-A3232...
  • Page 101 MX-82, IPM-80, OPM-24 MX-82, IPM-80, OPM-24 IPM-80 IPM-80 -A SIDE- -B SIDE- 1-660-071-11 1-660-071-11 OPM-24 OPM-24 -A SIDE- -B SIDE- 1-660-072-11 1-660-072-11 MX-82 -B SIDE- 1-660-074-11 BVS-A3232...
  • Page 102 CN-1388, CNB-10 CN-1388, CNB-10 CN-1388 -A SIDE- 1-661-810-11 CNB-10 -A SIDE- 1-661-798-11 BVS-A3232...
  • Page 103 CN-1388, CNB-10 CN-1388, CNB-10 CN-1388 -B SIDE- 1-661-810-11 CNB-10 -B SIDE- 1-661-798-11 BVS-A3232...
  • Page 104 HN-237 HN-237 HN-237 -A SIDE- 1-661-799-11 BVS-A3232...
  • Page 105 HN-237 HN-237 HN-237 -B SIDE- 1-661-799-11 BVS-A3232...
  • Page 106 HN-238 HN-238 HN-238 -A SIDE- 1-661-800-11 8-10 8-10 BVS-A3232...
  • Page 107 HN-238 HN-238 HN-238 -B SIDE- 1-661-800-11 8-11 8-11 BVS-A3232...
  • Page 108 MB-721 MB-721 MB-721 -A SIDE- 1-661-801-11 8-12 8-12 BVS-A3232...
  • Page 109 MB-721 MB-721 MB-721 -B SIDE- 1-661-801-11 8-13 8-13 BVS-A3232...
  • Page 110 DP-251, FL-235, PS-453 DP-251, FL-235, PS-453 PS-453 FL-235 FL-235 -A SIDE- -A SIDE- -B SIDE- 1-661-802-11 1-661-804-11 1-661-804-11 DP-251 DP-251 -A SIDE- -B SIDE- 1-661-803-11 1-661-803-11 PS-453 -B SIDE- 1-661-802-11 8-14 8-14 BVS-A3232...
  • Page 111 Power Supply Board 9-25 BKDS-PA3291 (Option) Block Board Name Function Page Power Supply Block DP-251 LED Board 9-25 FL-235 Filter Board 9-25 PS-453 Power Supply Board 9-25 BKDS-RS1690 (Option) Block Board Name Function Page Front Side CPU-94 Control Board BVS-A3232...
  • Page 112 CN33(24/48) CN2(46/96) CN33(44/48) CN33(40/48) CN2(47/96) CN33(13/48) CN33(9/48) CN2(48/96) IC4(2/5) BSEL1 SN74HC08ANS CN33(25/48) CN33(2/48) CN2(49/96) BSEL2 CN33(41/48) CN33(18/48) CN2(50/96) CN33(10/48) CN33(38/48) CN2(51/96) IC4(1/5) SN74HC08ANS CN33(26/48) CN2(52/96) CN33(42/48) CN2(53/96) CN-1388 CN2(54/96) BOARD NO. 1-661-810-11 CN2(55/96) LOT NO. 603- CN2(56/96) CN2(57/96) B-¥BVSV3232-CN1388 BVS-A3232...
  • Page 113 CN26(7/20) CN23(2/12) CN23(5/12) CN26(17/20) CN26(8/20) CN23(3/12) CN23(6/12) CN26(15/20) CN26(6/20) CN23(7/12) CN23(10/12) CN26(19/20) CN26(13/20) CN23(8/12) CN23(11/12) CN26(20/20) CN26(14/20) CN23(9/12) CN23(12/12) CN26(18/20) CN26(12/20) CNB-10 BOARD NO. 1-661-798-11 LOT NO. 603- B-¥BVSA3232-CNB10 SENS SENS DUS-971 BOARD NO. 1-661-811-11 LOT NO. 603- B-¥BVSV3232-DUS971 BVS-A3232...
  • Page 114 6 5 4 3 2 1 0 63 60 61 62 81 12 11 10 8 7 6 5 4 FAIL 47kX8 5 4 3 2 V SYNC RESET 2 3 4 5 6 7 8 TEST RS/TC 10kX8 AVAIL OUT ICK9 SN74LS07NS (4/6) MAIN BVS-A3232...
  • Page 115 SN74HC00ANS (1/4) RXD0 ICE1 SN74HC132ANS CTS0 ICH9 ICE1 (1/4) SN74HC00ANS SN74HC74ANS TXD1 (2/4) (2/4) 1SS119 4.7k CPU-94 (1/4) RXD1 CLK OUT ICH3 6.3V SN74HC04NS BOARD NO. 1-642-697-13 CLK OUT (1/6) R116 LOT NO. 202- RSTCNT 1SS119 ACT IN B-¥BVSV3232-CPU94 BVS-A3232...
  • Page 116 ACT IN ICC12 ICL9 ICH3 TC74HC123AF (1/2) SN74HC04NS 510k TC74HC123AF 6.3V 510k (6/4) (1/2) ICH3 422 TX ERROR SN74HC04NS (6/5) HLMP-6500 470X8 (5/8) HLMP-6300 -010 470X8 (8/8) -010 CPU-94 (2/4) -RESET RESET BOARD NO. 1-642-697-13 LOT NO. 202- B-¥BVSV3232-CPU94 BVS-A3232...
  • Page 117 RESET RESET ICM1 TC74HC123AF (2/2) FAIL 330k ICN1 LM1881M SYNC CLAMP 4.7k VSYNC V SYNC REF IN GND RESET FRAME R59 10k 2SA1175-E POINT 220k 220k 6.3V 680k SYNC ASYNC CPU-94 (3/4) BOARD NO. 1-642-697-13 LOT NO. 202- B-¥BVSV3232-CPU94 BVS-A3232...
  • Page 119 1SS119 2200p R109 R101 5600 4300 V-DET1 V-DET2 2SA1175-E 1200 5600 V-DET3 V-DET4 1SS119 R104 C233 C234 TERM8 R105 R107 4700 4700 CPU-94 (4/4) SENS 1 SENS 2 BOARD NO. 1-642-697-13 P.DOWN 1 LOT NO. 202- P.DOWN 2 B-¥BVSV3232-CPU94 BVS-A3232...
  • Page 120 CN2(75/96) CN10(19/20) CN1(45/96) CN10(13/20) CN1(9/96) INPUT INPUT INPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT CN7(8/12) CN2(26/96) CN7(11/12) CN2(74/96) CN10(20/20) CN1(44/96) CN10(14/20) CN1(8/96) CN7(9/12) CN2(25/96) CN7(12/12) CN2(73/96) CN10(18/20) CN1(43/96) CN10(12/20) CN1(7/96) HN-237 BOARD NO. 1-661-799-11 LOT NO. 603- B-¥BVSA3232-HN237 9-10 9-10 BVS-A3232...
  • Page 121 OUTPUT CN2(45/96) CN2(93/96) CN1(45/96) CN1(9/96) CN7(8/12) CN7(11/12) CN10(20/20) CN10(14/20) INPUT INPUT INPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT CN2(44/96) CN2(92/96) CN1(44/96) CN1(8/96) CN7(9/12) CN7(12/12) CN10(18/20) CN10(12/20) CN2(43/96) CN2(91/96) CN1(43/96) CN1(7/96) HN-238 BOARD NO. 1-661-800-11 LOT NO. 603- B-¥BVSA3232-HN238 9-11 9-11 BVS-A3232...
  • Page 122 ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ ≠≠≠ ≠≠ 9-12 9-12 BVS-A3232...
  • Page 123 ≠≠ ≠≠≠ ≠≠ CN2(4/8) ≠≠≠ ≠≠ AB10 ≠≠≠≠ ≠≠≠ AB11 ≠≠≠≠ ≠≠≠ ≠≠≠ ≠≠ AB10 ≠≠≠≠ ≠≠≠ AB11 ≠≠≠≠ ≠≠≠ ≠≠≠ ≠≠ +15V CN2(5/8) BOARD NO. 1-661-801-11 +15V CN2(6/8) -15V LOT NO. 603- CN2(7/8) -15V B-¥BVSA3232-MB721 CN2(8/8) 9-13 9-13 BVS-A3232...
  • Page 124 9-14 9-14 BVS-A3232...
  • Page 125 R140 R138 CN1(76/96) IC134(4/5) 100k 100k CN3(17/48) HC08AF CN1(77/96) OUT17-32CH CN3(16/48) CN3(41/48) CN1(78/96) IC130(2/5) CN3(42/48) HC86AF CN1(79/96) IC130(3/5) CN1(80/96) HC86AF CN1(81/96) INIT CN3(19/48) CN1(82/96) CN1(83/96) CN1(84/96) IC8(6/7) HC04AF MX-82 (1/5) BOARD NO. 1-660-074-11 LOT NO. 603- B-¥BVSA3232-MX82 9-15 9-15 BVS-A3232...
  • Page 126 CN2(38/96) A IN-7(G) CN2(13/96) 4.7k A IN-15(G) CN2(37/96) 4.7k COR7 COR15 4.7k 4.7k A IN-8(X) CN2(18/96) A IN-16(X) CN2(42/96) A IN-8(Y) CN2(17/96) 0.022 A IN-16(Y) CN2(41/96) A IN-8(G) -15V CN2(16/96) A IN-16(G) CN2(40/96) COR8 0.022 -15V COR16 9-16 9-16 BVS-A3232...
  • Page 127 A IN-32(X) CN2(66/96) CN2(90/96) A IN-24(Y) A IN-32(Y) CN2(65/96) CN2(89/96) R101 R102 R133 R134 A IN-24(G) A IN-32(G) CN2(64/96) CN2(88/96) 0.022 0.022 COR24 R103 -15V COR32 R135 -15V MX-82 (2/5) BOARD NO. 1-660-074-11 LOT NO. 603- B-¥BVSA3232-MX82 9-17 9-17 BVS-A3232...
  • Page 128 -15V A OUT-1(X) A OUT-2(X) A OUT-3(X) A OUT-4(X) CN1(69/96) CN1(66/96) CN1(63/96) CN1(60/96) A OUT-1(Y) A OUT-2(Y) A OUT-3(Y) A OUT-4(Y) CN1(68/96) CN1(65/96) CN1(62/96) CN1(59/96) A OUT-1(G) A OUT-2(G) A OUT-3(G) A OUT-4(G) CN1(67/96) CN1(64/96) CN1(61/96) CN1(58/96) 9-18 9-18 BVS-A3232...
  • Page 129 A OUT-6(X) A OUT-7(X) A OUT-8(X) CN1(57/96) CN1(54/96) CN1(51/96) CN1(48/96) LOT NO. 603- A OUT-5(Y) A OUT-6(Y) A OUT-7(Y) A OUT-8(Y) CN1(56/96) CN1(53/96) CN1(50/96) CN1(47/96) A OUT-5(G) A OUT-6(G) A OUT-7(G) A OUT-8(G) B-¥BVSA3232-MX82 CN1(55/96) CN1(52/96) CN1(49/96) CN1(46/96) 9-19 9-19 BVS-A3232...
  • Page 130 -15V A OUT-9(X) A OUT-10(X) A OUT-11(X) A OUT-12(X) CN1(45/96) CN1(42/96) CN1(39/96) CN1(36/96) A OUT-9(Y) A OUT-10(Y) A OUT-11(Y) A OUT-12(Y) CN1(44/96) CN1(41/96) CN1(38/96) CN1(35/96) A OUT-9(G) A OUT-10(G) A OUT-11(G) A OUT-12(G) CN1(43/96) CN1(40/96) CN1(37/96) CN1(34/96) 9-20 9-20 BVS-A3232...
  • Page 131 A OUT-14(X) A OUT-15(X) A OUT-16(X) CN1(33/96) CN1(30/96) CN1(27/96) CN1(24/96) LOT NO. 603- A OUT-13(Y) A OUT-14(Y) A OUT-15(Y) A OUT-16(Y) CN1(32/96) CN1(29/96) CN1(26/96) CN1(23/96) A OUT-13(G) A OUT-14(G) A OUT-15(G) A OUT-16(G) B-¥BVSA3232-MX82 CN1(31/96) CN1(28/96) CN1(25/96) CN1(22/96) 9-21 9-21 BVS-A3232...
  • Page 132 HC174AF HC573AF IC102(2/2) IC117(2/2) 45558F 45558F ST11 C253 C269 C259 C275 0.022 0.022 0.022 0.022 IC103 IC104 IC118 IC119 HC174AF HC573AF HC174AF HC573AF IC102(1/2) IC117(1/2) 45558F 45558F MX-82 (5/5) ST12 BOARD NO. 1-660-074-11 LOT NO. 603- B-¥BVSA3232-MX82 9-22 9-22 BVS-A3232...
  • Page 133 CN1(12/14) CN1(8/14) CN1(8/12) CN1(2/12) CN1(11/14) CN1(9/12) IC1(2/2) 7500 NE5532P 7500 CN1(7/14) CN1(3/12) CN1(6/14) -15V CN1(10/12) -15V CN1(9/14) CN1(4/14) -15V CN1(10/14) -15V IPM-80 OPM-24 BOARD NO. 1-660-071-11 BOARD NO. 1-660-072-11 LOT NO. 603- LOT NO. 603- B-¥BVSA3232-IPM80 B-¥BVSA3232-OPM24 9-23 9-23 BVS-A3232...
  • Page 134 9-24 9-24 BVS-A3232...
  • Page 135 3.3k 2.2k NC NC RN1201 µPC319C D501 L501B-SRG-P NC NCGND 1 2 3 4 5 6 7 DP-251 BOARD NO. 1-661-803-11 LOT NO. 603- B-¥BVSV3232-DP251 PS-453 0.022 0.022 BOARD NO. 1-661-802-11 6.8k 6.8k LOT NO. 603- B-¥BVSV3232-PS453 9-25 9-25 BVS-A3232...
  • Page 136 LED(+) +15V LED(-) LED(-) +15V PS-453 AC IN POWER SUPPLY UNIT BKDS-PA3291 (OPTION) AC-IN AC-IN (L) AC-IN AC-IN (N) P.DOWN P.DOWN SENS SENS LED(+) LED (+) LED(-) LED (-) +15V +15V +15V +15V -15V -15V -15V -15V 9-26 9-26 BVS-A3232...
  • Page 137 NOTE P DOWN2 REFER TO SCHEMATIC DIAGRAM SENS2 MB-721 BOARD CPU-94 BOARD LED(+) LED(-) MX82 BOARD CN-1388 BOARD HN-238 BOARD HN-237 BOARD DC FAN MOTOR CNB-10 BOARD CNB-10 CNB-10 CN22 FRAME SENS SENS SENS CN-1388 B-¥BVSA3232-FRAME DUS-971 9-27 9-27 BVS-A3232...
  • Page 139 The material contained in this manual consists of screws, and all other exposed metal parts for AC information that is the property of Sony Corporation and leakage. Check leakage as described below. is intended solely for use by the purchasers of the equipment described in this manual.
  • Page 140 BVS-A3232 (SY) BKDS-PA3291 (SY) Printed in Japan Sony Corporation BKDS-RS1690 (W/W) J, E 1998. 10 16 3-191-296-02 (1) Broadcasting & Professional Systems Company ©1996...

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