Manuale d’uso / di manutenzione del prodotto BKPF-L752 del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sony BKPF-L752 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sony BKPF-L752 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sony BKPF-L752 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sony BKPF-L752 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sony BKPF-L752, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sony BKPF-L752.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sony BKPF-L752. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sony BKPF-L752 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
