Page 1
ANALOG AUDIO DISTRIBUTOR BKPF-L753 INSTALLATION MANUAL 1st Edition Serial No. 10001 and Higher...
Page 2
! 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.
Manual Structure Purpose of this manual This manual is the installation manual of Analog Audio Distributor BKPF-L753. This manual is intended for use by trained system and service engineers, and describes the information for installing. Contents This manual is organized by following sections.
This manual describes the notes on operating, the locations and functions of parts, and controls of the BKPF-L753. • Maintenance Manual (Available on request) This manual describes the information for periodic maintenance and detailed service. For obtaining the maintenance manual, please contact to your local Sony’s sales/ service office. 4(E) BKPF-L753...
3. Remove the two screws. The board retainer is re- moved. When removing the main board, turn the board lever in the direction of the arrow 2, and pull the board out toward you. PSW 3x6 Board retainer Board lever 1-1(E) BKPF-L753...
1-2. Components 1-2. Components Connector panel installation Install the connector panel to the slot which contains the The BKPF-L753 is composed of the following items. main board. . Main board (ADA-55 board) . Connector panel (CN-1645 board) 1. Remove the two screws of the slot which contains the main board.
AUDIO 2 connectors are the eight signals. 1-4. Connectors When external cables are connected to the connectors on the connector panel during maintenance, the hardware listed below (or equivalents) must be used: BKPF-L753 Connector Panel Matching Connector Print on Panel Type Type Sony Part No.
OUT 1 (GND) OUT 2 (+) OUT 2 (_) OUT 3 (GND) OUT 4 (+) OUT 4 (_) IN (GND) OUT 1 (+) OUT 1 (_) OUT 2 (GND) OUT 3 (+) OUT 3 (_) OUT 4 (GND) 1-4(E) BKPF-L753...
Selects the input/output gain of the signal input to the AUDIO 2 connector. If mono mode is selected with the COR3, this AUDIO 2 gain selection is inoperative. +8 dB +4 dB 0 dB _4 dB _8 dB (Factory setting) 1-5(E) BKPF-L753...
1-7. ISR (Interactive Status Reporting) When this BKPF-L753 is installed in combination with the BKPF-L600 ISR Interface Board in the Interface Unit PFV-L1, the operating status of this BKPF-L753 is monitored from a host computer with the ISR function. Refer to manuals of the BKPF-L600 for the details.
Page 13
The material contained in this manual consists of information that is the property of Sony Corporation and is intended solely for use by the purchasers of the equipment described in this manual. Sony Corporation expressly prohibits the duplication of any portion of this manual or the use thereof for any...