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Sony BKPF-L752 - page 1
AUDIO D/A CONVER TER BOARD BKPF-L752 MAINTENANCE MANUAL 1st Edition Serial No. 10001 and Higher ...
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Sony BKPF-L752 - page 2
! 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. Refer all servicing to qualified service personnel. ! W ARNUNG Die Anleitung ist nur für qual ...
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Sony BKPF-L752 - page 3
1 (E) BKPF-L752 Table of Contents Manual Structure Purpose of this manual ........................................................................................ 3 (E) Contents ............................................................................................................... 3 (E) Related manuals ...................................... ...
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Sony BKPF-L752 - page 4
2 (E) BKPF-L752 6. Schematic Diagrams CN-1858/1859 ........................................................................................................ 6-1 DAC-38 .................................................................................................................. 6-2 7. Board Layout DAC-38 ......................................... ...
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Sony BKPF-L752 - page 5
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. Contents This manual is organized by following sections. Section 1 Service Overview ...
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Sony BKPF-L752 - page 6
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Sony BKPF-L752 - page 7
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. Be sure to use the specified component in this manual. The IC link is mounted on t ...
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Sony BKPF-L752 - page 8
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. Ref. No. Name Function 8 S3 Setting switch S3-1 TEST 1 ON: Test mode (Factory use) OFF ...
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Sony BKPF-L752 - page 9
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. A-8322-598-A) For PFV-L10 Analog audio signal generator * SG505 (Option 02) Audio leve ...
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Sony BKPF-L752 - page 10
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. Customer setting S3 (F-1) No. 1: OFF OFF No. 2: OFF OFF No. 3: OFF No. 4: OFF 4. Insta ...
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Sony BKPF-L752 - page 11
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. Mea ...
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Sony BKPF-L752 - page 12
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Sony BKPF-L752 - page 13
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 2.6x4 1pc 7-688-002-11 s WASHER 2.6, MIDDLE The com ...
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Sony BKPF-L752 - page 14
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 0.1uF 25V (2012) C304 1-163-251-11 s CERAMIC, CHIP 100pF 5% 50V ( ...
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Sony BKPF-L752 - page 15
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 (2012) FL4 1-239-895-11 s FILTER, EMI, CHIP (2012) FL5 1-239-895-11 s FILTER, EMI, CHIP (2012) FL6 1-239-895-11 s FILTER, EMI, CHIP (2012) FL7 1-239-8 ...
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Sony BKPF-L752 - page 16
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 0.5% 1/10W (2012) R310 1-216-677-11 s METAL, CHIP 12K 0.5% 1/10W (2012) R3 ...
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Sony BKPF-L752 - page 17
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. TRANSIST OR Pa ge IC Pa ge Section 4 Semiconductor Pin Assignments Inde ...
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Sony BKPF-L752 - page 18
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-M5M6 DT A114EKA (R1=10k,R2=10k) DT A114EKA-T146 DT A144EU A (R1=47k,R2=47k) DT A144EU A-T106 —TOP VIEW— 1SS352 1SS352-TPH3 2SB1204S-F A 2SB1204S-F ...
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Sony BKPF-L752 - page 19
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 B A B Y Y = Y = A • B = A + B C-MOS QUAD 2-INPUT AND GATES —TOP VIEW— S DATA C : SERIAL DATA : CHANNEL STATUS U : USER DATA VERF : VALIDITY + ER ...
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Sony BKPF-L752 - page 20
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 0 18 19 20 21 22 23 24 25 26 27 28 PROGRAMMABLE LOGIC DEVICE —TOP VIEW— 1 2 3 4 5 6 7 8 9 10 11 I I — I/O I/O I/O I/O I/O I/O — — INPUT/ GC ...
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Sony BKPF-L752 - page 21
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 + 2.5 V V CC * * 1 5 6 7 2 3 * OPEN COLLECTOR 7 2 3 1 6 5 1 2 3 4 8 7 6 5 POWER VOLTAGE SUPERVISOR —TOP VIEW— 1 2 3 4 _ FORCE _ SENSE V IN + FORCE + SENSE GND 8 ...
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Sony BKPF-L752 - page 22
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Sony BKPF-L752 - page 23
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 4 S3-3 S3-4 AUDIO_IN CH2(+) FROM MOTHERBOARD DETECT CONVERTOR DC-DC DAC-38 13B 13A DD701 Vcc DOWN 13B 13A AUDIO_IN CH1(-) POWER CN2 CN-1859 13C CN ...
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Sony BKPF-L752 - page 24
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Sony BKPF-L752 - page 25
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_IN2(+) GND GND GND GND SPARE SPARE GND GND GND GND GND OUT_L(+)2 GND OUT_L(+)1 OUT_L(-)2 GND OUT_L(-)1 GND GND GND OUT_R(+)2 GND OUT_R(+)1 OUT_R(-)2 G ...
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Sony BKPF-L752 - page 26
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 0.1uF C10 0.1uF C11 16V 10uF C9 16V 10uF C12 GND +5V- ...
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Sony BKPF-L752 - page 27
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 DGND 7 VOUTL 16 XTI 5 AGND1 14 AGND2L 19 AGND2R 10 VCC1 15 VCC2L 20 VCC2R 9 XTO 6 CLKO 4 DATA 2 BCK 3 LRCK 1 ML/IIS 28 MC/DM1 27 MD/DM0 26 CS/IWO 23 M ...
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Sony BKPF-L752 - page 28
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 0.1uF C422 PCM1716E-BT2 IC502 VDD 8 DGND 7 VOUTL 16 XTI 5 AGND1 14 AGND2L 19 AGND2R 10 VCC1 15 VCC2L 20 VCC2R 9 XTO 6 CLKO 4 DATA 2 BCK 3 LRCK 1 ML/IIS 28 MC/DM1 27 MD/DM0 26 CS/IWO 23 MODE 24 MUTE 25 ...
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Sony BKPF-L752 - page 29
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 0.1uF C601 100kx8 RB601 1 2 3 4 5 6 7 8 9 +5V +5V 100k R607 100k R608 100k R609 100k R610 +5 ...
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Sony BKPF-L752 - page 30
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 0.001uF C716 0.001uF C717 ...
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Sony BKPF-L752 - page 31
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) -------------------- *:B SIDE C1 *G2 C2 *G2 C3 G1 C4 G1 C6 G2 C7 G2 C8 *E1 C9 E2 C10 *E1 C11 *E2 C12 E1 C13 *G1 C14 *G1 C15 *G2 C16 G1 C17 G2 C18 *E2 C19 E ...
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Sony BKPF-L752 - page 32
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Sony BKPF-L752 - page 33
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Sony BKPF-L752 - page 34
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 ...
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