Instruction/ maintenance manual of the product BKPF-L752 Sony
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AUDIO D/A CONVER TER BOARD BKPF-L752 MAINTENANCE MANUAL 1st Edition Serial No. 10001 and Higher.
! W ARNING This manual is intended f or qualified service personnel only . T o reduce the risk of electr ic shoc k, fire or injur y , do not perf or m any servicing other than that contained in the operating instructions unless you are qualified to do so.
1 (E) BKPF-L752 Table of Contents Manual Structure Purpose of this manual ........................................................................................ 3 (E) Contents .........................................................................
2 (E) BKPF-L752 6. Schematic Diagrams CN-1858/1859 ........................................................................................................ 6-1 DAC-38 ....................................................................................
3 (E) BKPF-L752 Purpose of this manual This manual is the maintenance manual of Audio D/A Converter Board BKPF-L752. This manual is intended for use by trained system and service engineers, and describes the information for periodic maintenance and detailed service.
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1-1 (E) BKPF-L752 Section 1 Service Overview 1-2. IC Link Replacement w An IC link is critical parts to safe operation. Replace this component with Sony parts whose part numbers appear in this manual published by Sony. If not, this may cause a fire or electric shock.
1-2 (E) BKPF-L752 D3 S3 ON D814 D815 R V101 R V201 R V301 R V401 3 2 1 4 5 6 7 8 123 4 1-3. Name and Function of Switch/Indicator/etc. Main Board (DAC-38 Board: Side A) Switches/gain adjusting VRs (Factory default settings are indicated by a mark) No.
2-1 (E) BKPF-L752 Section 2 Electrical Alignment 2-1. Electrical Alignment Overview 2-1-1. Required Equipment and Tools Use the equipment listed below or the equivalent. Item Model Remarks Extension board EX-668 (Part No. A-8318-552-A) For PFV-L1 EX-731 (Part No.
2-2 (E) BKPF-L752 2-2. Preparation for Adjustment 1. Extend the DAC-38 board with a extension board. 2. Write down the customer settings of the switch (S3) on the DAC-38 board in following table. 3. Set the switch S3 as follows: Ref. No. (Address) Setting at adj.
2-3 (E) BKPF-L752 2-4. Input/Output Gain Adjustment 2-4. Input/Output Gain Adjustment The specification value described for this input/output gain adjustment is set when the gain is 0 dB (during factory setting). If the customized gain is other than 0 dB, increase or decrease the specification value proportionally to the difference of the gain.
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3-1 BKPF-L752 Section 3 Spare Parts ------------------ CN-1858/1859 BOARD ------------------ Ref. No. or Q'ty Part No. SP Description 1pc 1-793-325-11 s 2-CONNECTOR, COAXIAL, BNC, FEMALE 1pc 3-202-613-01 o PANEL (752), CN 1pc 3-686-054-02 o STUD, SUPPORT, PC BOARD 3pcs 7-621-775-10 s SCREW +B 2.
3-2 BKPF-L752 (DAC-38 BOARD) Ref. No. or Q'ty Part No. SP Description C221 1-126-396-11 s ELECT, CHIP 47uF 20% 16V C222 1-163-038-00 s CERAMIC, CHIP 0.1uF 25V (2012) C223 1-128-398-11 s ELECT 220uF 20% 16V C224 1-128-398-11 s ELECT 220uF 20% 16V C303 1-163-038-00 s CERAMIC, CHIP 0.
3-3 BKPF-L752 (DAC-38 BOARD) Ref. No. or Q'ty Part No. SP Description FL1 1-239-898-22 s FILTER, EMI, CHIP (2012) FL2 1-233-313-31 s FILTER, EMI, CHIP (3225) FL3 1-239-898-22 s FILTER, EMI, CHIP .
3-4 BKPF-L752 (DAC-38 BOARD) Ref. No. or Q'ty Part No. SP Description R306 1-216-653-11 s METAL, CHIP 1.2K 0.5% 1/10W (2012) R307 1-216-653-11 s METAL, CHIP 1.2K 0.5% 1/10W (2012) R308 1-216-653-11 s METAL, CHIP 1.2K 0.5% 1/10W (2012) R309 1-216-675-11 s METAL, CHIP 10K 0.
4-1 BKPF-L752 IC DIODE P age LED P age Semiconductors of which functions are equivalent are described here. For parts replacement, refer to the section of Spare Parts in this manual. The circuit diagram of each IC is obtained from the IC data book published by the manufacturer.
4-2 BKPF-L752 IC DIODE Diode, LED, Transistor 1SS226 1SS226-TE85L DAN217 D AN217-T146 LED TRANSIST OR —TOP VIEW— —TOP VIEW— R1 R2 —TOP VIEW— CL-155UR/G-D CL-155UR/G-DT 2SA1162G 2SA812-T1-M.
4-3 BKPF-L752 IC IC TC74VHC08FT(EL) (TI) CS8412-CS (CR YST AL) CS8412-IS-E1 (CR YST AL) CS8412-IS-E2 1234 56 7 14 13 12 11 10 9 8 GND V DD A 0 0 1 1 B 0 1 0 1 Y 0 0 0 1 0 1 : LOW LEVEL : HIGH LEVEL A .
4-4 BKPF-L752 IC TL082CPS-E20 (TI) TL082M (RA YTHEON) PCM1716E-BT2 (BURR-BRO WN) EPM7032SLC44-10(05) (AL TERA) 7 8 9 10 11 12 13 14 15 16 17 39 38 37 36 35 34 33 32 31 30 29 6 5 4 3 2 1 4 44 34 24 1 4.
4-5 BKPF-L752 IC SSM-2142P (PMI) PCF8574A T (PHILIPS) TL7705ACPS (TI) TL7705ACPSR V CC GND SENSE IN OUT (1) OUT (2) ) SENSE RESIN C T V REF OUT (1) OUT (2) V REF OUT RESIN IN C T IN REF + 2.
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5-1 BKPF-L752 5-1 OVERALL Block Diagram Block Diagram OVERALL Section 5 Block Diagram O VERALL R G 1 2 3 4 1 RV101 1 RV201 1 RV301 1 RV401 CH1 GAIN ADJ CH2 GAIN ADJ CH3 GAIN ADJ CH4 GAIN ADJ R G 1 2 3.
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6-1 BKPF-L752 6-1 2 3 4 5 1 A BCDE F G H GND OUT_L(+)2 OUT_L(-)2 GND GND GND OUT_R(+)2 OUT_R(-)2 GND GND GND OUT_L(+)1 OUT_L(-)1 GND GND GND OUT_R(+)1 OUT_R(-)1 GND GND GND GND GND GND AES_IN1(+) AES_.
6-2 BKPF-L752 6-2 2 3 4 5 A BCD E F GH 1 BKPF-L752 (SY) : S/N 10001 and Higher CS8412-CS IC1 RXP 9 DGND 8 VA+ 22 FSYNC 11 RXN 10 FILT 20 MCK 19 C0/E0 6 SEL 16 CS12/FCK 13 SCK 12 SDATA 26 M0 23 VD+ 7 M1 24 M2 18 M3 17 Ca/E1 5 Cb/E2 4 Cc/F0 3 Cd/F1 2 Ce/F2 27 AGND 21 C 1 U 14 VERF 28 CBL 15 ERF 25 0.
6-3 BKPF-L752 6-3 2 3 4 5 1 A BCDE F G H BKPF-L752 (SY) : S/N 10001 and Higher 1SS226-TE85L D501 1 2 3 1SS226-TE85L D502 1 2 3 1SS226-TE85L D503 1 2 3 1SS226-TE85L D504 1 2 3 PCM1716E-BT2 IC501 VDD 8 .
6-4 BKPF-L752 6-4 2 3 4 5 A BCD E F GH 1 BKPF-L752 (SY) : S/N 10001 and Higher 0.1uF C403 1.2k R308 GND-A 0.1uF C322 0.1uF C518 0.1uF C305 0.1uF C412 0.
6-5 BKPF-L752 6-5 2 3 4 5 1 A BCDE F G H BKPF-L752 (SY) : S/N 10001 and Higher D A C-38 (4/5) BOARD NO . 1-674-129-11 LO T NO. 902- PCF8574AT IC601 SDA 15 P0 4 VDD 16 VSS 8 SCL 14 A2 3 A1 2 A0 1 INT 13 P1 5 P2 6 P3 7 P4 9 P5 10 P6 11 P7 12 +5V 100k R601 GND 0.
6-6 BKPF-L752 6-6 2 3 4 5 A BCD E F GH 1 BKPF-L752 (SY) : S/N 10001 and Higher D A C-38 (5/5) BOARD NO . 1-674-129-11 LO T NO. 902- +5VIN 50V 1uF C707 GND 10uH L1 10uH L3 10uH L4 25V 47uF C701 25V 47uF C712 0.1uF C702 0.1uF C713 GND 0.1uF C705 0.1uF C706 +12V -12V GND-A GND GND 16V 10uF C714 16V 10uF C715 220 R709 220 R710 0.
7-1 BKPF-L752 7-1 DAC-38 DAC-38 BKPF-L752 (SY) : S/N 10001 and Higher Section 7 Board Layout D A C-38 -B SIDE- SUFFIX: -11 D A C-38 -A SIDE- SUFFIX: -11 -------------------- DAC-38(1-674-129-11) -----.
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Printed in Japan Son y Cor por ation 1999. 8 22 Broadcasting & Prof essional Systems Company ©1999 BKPF-L752 (SY) J , E 9-967-843-01.
An important point after buying a device Sony BKPF-L752 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony BKPF-L752 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony BKPF-L752 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony BKPF-L752 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony BKPF-L752 will certainly help you make a decision on the purchase.
If you already are a holder of Sony BKPF-L752, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony BKPF-L752.
However, one of the most important roles played by the user manual is to help in solving problems with Sony BKPF-L752. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony BKPF-L752 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
