Sony BKPF-L753A Maintenance Manual
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Sony BKPF-L753A, 6-1 BKPF-L753A 6-1 Section 6 Schematic Diagrams Index Board Name Function Page ADA-55 Board Analog Audio Distribution Board 6-2 CN-1855/1856 Boards Connector Board 6-3 DD-36 Board DC-DC Converter Board 6-4
Sony BKPF-L753A, ! 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. ! WARNUNG Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt. Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben Wartungsarbeiten dü
Sony BKPF-L753A, 4-1 BKPF-L753A IC DIODE Page LED Page 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. TRANSISTOR Page IC Page Section 4 Semiconductor Pin Assignments Index MAX742CWP-TE2 ........... 4-3 NJM5534M ....................... 4-3 NJM5534M(TE2) .............. 4-3 PCF8574AT ...................... 4-3 CL-155UR/G-D ................ 4-2 2SA1162G ....................... 4-2 2SA1358-Y ....................... 4-2 2SA812-T1-M5M6 ............ 4-2 2SC1623 .......................... 4-2 2SC1623-T1-L5L6 ........... 4-2
Sony BKPF-L753A, 6-4 BKPF-L753A 6-4 2 3 4 5 ABCDEFGH 1 DD-36 BOARD NO. 1-674-689-11, 12 LOT NO. 902-3A5 100 R1 0.1 R2 0.1 R3 0.1uF C1 0.1uF C13 0.0033uF C2 0.0033uF C5 16V 10uF C3 1uF C4 1uF C6 1uF C7 16V 100uF C8 16V 100uF C10 16V 100uF C11 MAX742CWP-TE2 IC1 CC+ 2 AGND 3 FB+ 1 AV+ 4 GND 18 VREF 7 V+ 13 EXT+ 17 CSH+ 20 CSL+ 19 PUMP 16 PDRV 15 FB- 10 EXT- 14 CSH- 12 CSL- 11 CC- 9 SS 8 100/200 5 12/15 6 GND MBR0530T1 D1 MBR0530T1 D2 MBR0530T1 D3 MBR0530T1 D4 SI4410DY-T1-REVA Q1 4 12 87 65 3 SI4431DY-T1 Q2 4 12 87 65 3 GND CN3 1 +5Vin 7 GND CN4 1+5Vout 5GND
1-3 (E) BKPF-L753A 1-5. Unleaded Solder Boards requiring use of unleaded solder are printed with a lead free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.) : LEAD FREE MARK m . Be sure to use the unleaded solder for the printed circuit board printed with the lead fr
Sony BKPF-L753A, 3-2 BKPF-L753A (ADA-55 BOARD) Ref. No. or Q'ty Part No. SP Description C97 1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012) C98 1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012) (S/N 10001 to 11870) CN101 1-506-746-11 s CONNECTOR, DIN 48P, MALE COP1 1-562-579-11 s PLUG, SHORTING COP2 1-562-579-11 s PLUG, SHORTING COP3 1-562-579-11 s PLUG, SHORTING COR1 1-691-506-11 s CONNECTOR, 10P, MALE COR2 1-691-506-11 s CONNECTOR, 10P, MALE COR3 1-564-948-11 o CONNECTOR, 3P, MALE D1 8-719-027-84 s LED CL-155UR/G-D, RED/GRN DD36 *2 1-475-611-11 s CONVERTER UNIT, DC-DC IC1 8-759-700-96 s IC NJM55
6-2 (a) BKPF-L753A 6-2 (a) 2 3 4 5 1 ABCDEFGH ADA-55 BOARD NO. 1-668-838-11, 12 R129 R128 R106 1k 1uF C37 2SC1623-T1-L5L6 Q5 330 R3 12V R125 22 3k R67 33 GND 1uF C26 NJM5534M(TE2) IC3 - 2 OUT 6 + 3V+ 7 BAL 1 CP1 8 CP2 5 V- 4 C3 1uF 39 +5V TP2 GND 1.5k R82 C40 47uF 16V TP1 TP3 COR2 1 3 2 4 5 7 6 8 910 R13 10k C47 7pF 16V 47uF C7 R79 3k CN101 16 OUT_L(-)1 5k RV4 1 2 3 -12V 2SC3421-Y Q36 21 OUT_L(
Sony BKPF-L753A, 3-4 BKPF-L753A ------------------ CN-1855/1856 BOARD ------------------ Ref. No. or Q'ty Part No. SP Description 1pc 3-202-610-02 o PANEL (753A), CN 2pcs 3-686-054-02 o STUD, SUPPORT, PC BOARD 4pcs 7-621-775-10 s SCREW +B 2.6x4 2pcs 7-688-002-11 s WASHER 2.6, MIDDLE The components in the connector panel assembly of BKPF-L753A are out of spare parts except above. When component replacement (except above) is required, replace by assembly (including CN-1855/1856 mounted circuit boards) below. A-8322-760-A o CN PANEL (753A) ASSY --------------------------------
Sony BKPF-L753A, 3-1 BKPF-L753A Section 3 Spare Parts ------------ ADA-55 BOARD ------------ *1:[Board No. suffix -11,12] *2:[Board No. suffix -14] Ref. No. or Q'ty Part No. SP Description 1pc 3-179-084-01 s LEVER (R), PC BOARD or 3-179-085-01 s LEVER (L), PC BOARD 1pc 3-194-617-01 o HEAT SINK 1pc 3-203-115-01 o CASE, SHIELD (for DD1) 2pcs 7-685-547-14 s SCREW +BTP 3x10 8pcs 7-682-948-01 s SCREW +PSW 3x8 C1 1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012) C2 1-126-391-11 s ELECT, CHIP 47uF 20% 6
Sony BKPF-L753A, 1 (E) BKPF-L753A Table of Contents Manual Structure Purpose of this manual ........................................................................................ 3 (E) Contents ............................................................................................................... 3 (E) Related manuals................................................................................................... 3 (E) 1. Service Overview 1-1. Notes on Repair Parts ............................................................................1-1 (E) 1-2
Sony BKPF-L753A, 3 (E) BKPF-L753A Purpose of this manual This manual is the maintenance manual of Analog Audio Distribution Board BKPF-L753A. 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 This section explains the notes on repair parts and IC link replacement. Section 2 Electrical Alignment This section explains the adjustment after replacing part. Section 3 Spare Parts This section describes the spare parts. Section 4 Semiconductor Pin Assignments This section describes the pin assignments of semiconductor. S
6-3 BKPF-L753A 6-3 2 3 4 5 1 A BCDEFGH GND GND GND GND GND GND GND GND GND GND GND GND GND GND N.C. GND GND N.C. GND N.C. GND N.C. GND GND GND GND N.C. GND GND GND N.C. GND N.C. N.C. GND GND GND N.C. N.C. GND GND GND GND GND GND N.C. N.C. GND N.C. GND GND 9C 3C 12C 4 10A 15A 18 20 1 6 16 7A 12B 2B 14C 7B 10 8 11 6 17 4B 6B 16 17 2 8 11 10C 5 12 13 12 6A 18 15C 15 15 1C 2 12A 9B 4 11
Sony BKPF-L753A, 2-2 (E) BKPF-L753A 2-2. Preparation of Adjustment 2-3. Input/Output Gain Adjustment 2-3. Input/Output Gain Adjustment Measuring equipment: Audio level meter 1. Set the output of the generator to +4.0 dBm, 1 kHz. (0 dBm = 0.775 Vrms) CH1 adjustment 2. Connect the audio signal generator to the input of CH1 connector. 3. Connect the audio level meter to one output of CH1 connector. 4. Check that COR2 (A-1) is set to 0 dB. If not, set it to 0 dB. 5. Adjust the CH1 output level on the audio level meter. Adjustment point: 1RV4/ADA-55 (A-2) Specification: 4.0 ±0.1 dBm (at 600 Z load) CH2 adjustment 6. Connect the audio signal generator to th
Sony BKPF-L753A, 2 (E) BKPF-L753A 6. Schematic Diagrams ADA-55 .................................................................................................................. 6-2 CN-1855/1856 ........................................................................................................ 6-3 DD-36 ..................................................................................................................... 6-4 7. Board Layouts ADA-55 ...............................................................................
Sony BKPF-L753A, 4-2 BKPF-L753A IC DIODE Diode, LED, Transistor MBR0530T1 LED TRANSISTOR —TOP VIEW— —TOP VIEW— 3 2 1 4 1 2 3 4 8 7 6 5 5 687 S CL-155UR/G-D 2SA1162G 2SA812-T1-M5M6 SI4431DY-T1 RED GREEN 2SA1358-Y —TOP VIEW— 2SC1623 2SC1623-T1-L5L6 2SC3421-Y S S 3 2 S 1 G D D 1 2 3 4 8 7 6 5 D 4 D 5 687 SI4410DY-T1-REVA UN2221 (R1=2.2k,R2=2.2k) UN2221-TX R1 R2 —TOP VIEW—
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