Sony BKPF-L753A, Maintenance Manual

Page 1: ...ANALOG AUDIO DISTRIBUTION BOARD BKPF L753A MAINTENANCE MANUAL 1st Edition Revised 1 Serial No 10001 and Higher ...

Page 2: ...e 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 dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes compétentes en charge de l entretien Afin de réduire les r...

Page 3: ...Indicator etc 1 2 E 1 5 Unleaded Solder 1 3 E 2 Electrical Alignment 2 1 Electrical Alignment Overview 2 1 E 2 1 1 Required Equipment and Tools 2 1 E 2 1 2 Connection 2 1 E 2 2 Preparation of Adjustment 2 2 E 2 3 Input Output Gain Adjustment 2 2 E 2 4 CMRR Common Mode Rejection Ratio Adjustment 2 3 E 2 5 Input Output Gain Adjustment for Customer Setting 2 3 E 3 Spare Parts ADA 55 3 1 CN 1855 1856 ...

Page 4: ...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 7 1 DD 36 7 2 ...

Page 5: ...ns 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 Section 5 Block Diagram This section describes the overall block diagram Section 6 Schematic Diagrams This section describes the schematic diagrams of the ADA 55 DD 36 and CN 1855 1856 boards Section ...

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Page 7: ... and remove this shield case 1 1 Notes on Repair Parts 1 Safety Related Components Warning w Components marked are critical to safe operation Therefore specified parts should be used in the case of replacement 2 Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit These are because of parts common ality and improvement Parts list has the present standardi...

Page 8: ...8 dB 6 COR3 MONAURAL STEREO Selects monaural or stereo mode of the analog audio signal input output MO Monaural The signal input to the AUDIO 1 connector is distributed to eight outputs ST Stereo The each signal input to the AUDIO 1 and AUDIO 2 connectors is distributed to four outputs Indicator No Ref No Name Color Function 3 D1 POWER Green red Green A power supply of 12 V is normal Red A power s...

Page 9: ...he unleaded solder for the printed circuit board printed with the lead free mark The unleaded solder melts at a temperature about 40 dC higher than the ordinary solder therefore it is recom mended to use the soldering iron having a temperature regulator The ordinary soldering iron can be used but the iron tip has to be applied to the solder joint for a slightly longer time The printed pattern copp...

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Page 11: ...Audio level meter Interface unit Sony PFV L1 or PFV L10 Adjustment screwdriver Insulation type Resister 600 Z within 1 with lead Use the equipment after calibration has been completed 2 1 2 Connection PFV L1 L10 Rear PFV L1 L10 Side Extension board EX 731 Audio level mater Analog audio signal generator ADA 55 board 600 Z _ INPUT BKPF L753A OUT AUDIO AUDIO 1 2 IN _ G _ G _ G _ G _ G _ G _ G _ G _ G...

Page 12: ...or 8 Check that COR1 A 3 is set to 0 dB If not set it to 0 dB 9 Adjust the CH2 output level on the audio level meter Adjustment point 1RV3 ADA 55 A 3 Specification 4 0 0 1 dBm at 600 Z load S1 S2 COR2 COR1 MO RV4 RV3 D1 RV1 RV2 COR3 ST 8 4 0 _4 _8 8 4 0 _4 _8 1 1 ADA 55 Board Side A 2 2 Preparation of Adjustment 1 Extend the ADA 55 board with a extension board 2 Write the customer settings of the ...

Page 13: ... ADA 55 board to customer settings CH1 adjustment 2 Set the output of the generator to the customer setting of COR1 as follows COR1 COR2 customer setting Output signal _8 dB 12 0 dBm 1 kHz _4 dB 8 0 dBm 1 kHz 0 dB 4 0 dBm 1 kHz 4 dB 0 0 dBm 1 kHz 8 dB _4 0 dBm 1 kHz 0 dBm 0 775 Vrms 3 Connect the audio signal generator to the input of CH1 connector 4 Connect the audio level meter to one output of ...

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Page 15: ...55 BOARD Ref No or Q ty Part No SP Description C44 1 107 781 11 s ELECT NONPOLAR 47uF 20 16V C45 1 107 781 11 s ELECT NONPOLAR 47uF 20 16V C46 1 163 227 11 s CERAMIC CHIP 10pF 5 50V 2012 C47 1 163 224 11 s CERAMIC CHIP 7pF 50V 2012 C48 1 164 346 11 s CERAMIC CHIP 1 0uF 16V 2012 C49 1 164 346 11 s CERAMIC CHIP 1 0uF 16V 2012 C50 1 163 227 11 s CERAMIC CHIP 10pF 5 50V 2012 C51 1 163 224 11 s CERAMIC...

Page 16: ...STOR 2SA1358 Y Q34 8 729 207 82 s TRANSISTOR 2SC3421 Y Q35 8 729 207 89 s TRANSISTOR 2SA1358 Y Q36 8 729 207 82 s TRANSISTOR 2SC3421 Y Q37 8 729 425 05 s TRANSISTOR UN2221 R1 1 216 639 11 s METAL CHIP 330 0 5 1 10W 2012 R2 1 216 623 11 s METAL CHIP 68 0 5 1 10W 2012 R3 1 216 639 11 s METAL CHIP 330 0 5 1 10W 2012 R4 1 216 623 11 s METAL CHIP 68 0 5 1 10W 2012 R5 1 216 687 11 s METAL CHIP 33K 0 5 1...

Page 17: ... 5 1 10W 2012 R97 1 216 298 00 s METAL CHIP 2 2 5 1 10W 2012 R98 1 216 298 00 s METAL CHIP 2 2 5 1 10W 2012 R99 1 216 298 00 s METAL CHIP 2 2 5 1 10W 2012 R100 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R101 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R102 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R103 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R104 1 216 651 11 s METAL CHIP 1 0K 0 5 1...

Page 18: ... 20 16V C4 1 109 982 11 s CERAMIC CHIP 1 0uF 10 10V 2012 C5 1 164 182 11 s CERAMIC CHIP 0 033uF 10 50V 2012 C6 1 109 982 11 s CERAMIC CHIP 1 0uF 10 10V 2012 C7 1 109 982 11 s CERAMIC CHIP 1 0uF 10 10V 2012 C8 1 127 518 11 s ALUMN SOLID 100uF 20 16V C10 1 127 518 11 s ALUMN SOLID 100uF 20 16V C11 1 127 518 11 s ALUMN SOLID 100uF 20 16V C13 1 115 339 11 s CERAMIC CHIP 0 1uF 10 50V 2012 CN1 1 793 560...

Page 19: ...gram 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 2SC3421 Y 4 2 SI4410DY T1 REVA 4 2 SI4431DY T1 4 2 UN2221 4 2 UN2221 TX 4 2 MBR0530T1 4 2 ...

Page 20: ...P VIEW TOP VIEW 3 2 1 4 1 2 3 4 8 7 6 5 5 6 8 7 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 6 8 7 SI4410DY T1 REVA UN2221 R1 2 2k R2 2 2k UN2221 TX R1 R2 TOP VIEW ...

Page 21: ...PUT PUSH PULL OUTPUT REFERENCE VOLTAGE OUTPUT SOFT START AND THERMAL SHUTDOWN PAMP OSC SQUARE PULSE 12 15 SELECT VREF VREF 7 S Q R _ S Q R _ EXT 17 V 13 GND 18 EXT_ 14 PDRV 15 PUMP 16 CSH_ 12 CSL_ 11 CSH 20 CSL 19 SS 8 FB 1 A GND 3 12 15 6 FB_ 10 5 100 200 4 AV 2 CC 9 CC_ 1 2 3 4 _ 8 7 6 5 VEE VCC BALANCE COMPENSATE BALANCE COMPENSATE OPERATINAL AMPLIFIER TOP VIEW 1 2 3 4 5 6 7 8 16 15 14 13 12 11...

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Page 23: ...N IC3 18 14 14 9B 6 7 OUT R 3 18 14 CN101 17 5 CN2 CN101 9 OUT R 4 10A 6 9A 13 OUT R 2 9C CN101 10 8A 10B 8 OUT R 4 10 9 13 10C 5 OUT R 1 13 CN2 10 CN101 17 5 11 OUT R 3 OUT R 2 CN2 4 OUT R 1 Q5 6 13 14 21 22 29 30 Q7 8 15 16 23 24 31 32 IC6 Q9 10 17 18 25 26 33 34 Q11 12 19 20 27 28 35 36 IC4 13A CN101 13B 13C 14C 12B 12A 15B 12C IC11 DIAG S N 10001 11870 15A SDA SCL CARD ADD DIAG Q37 D1 POWER DE...

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Page 25: ...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 ...

Page 26: ... R65 R65 3k 3k 12k 12k R38 R38 4 7 4 7 R117 R117 12V 12V 10pF 10pF C46 C46 Q12 Q12 2SA812 T1 M5M6 2SA812 T1 M5M6 C39 C39 47uF 47uF 16V 16V GND GND C5 C5 47uF 47uF 16V 16V 12V 12V 43 48 43 48 CN101 CN101 C68 C68 47uF 47uF 16V 16V GND GND 6 3V 6 3V 47uF 47uF C2 C2 GND GND 16V 16V 47uF 47uF C28 C28 R66 R66 3k 3k 36 48 36 48 CN101 CN101 29 48 29 48 CN101 CN101 GND GND C12 C12 1uF 1uF GND GND C72 C72 2...

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Page 28: ...P2 5 V 4 47 R28 2SA1358 Y Q29 R102 1k R107 1k GND R11 13k 2SC1623 T1 L5L6 Q17 R115 4 7 GND GND C38 1uF GND GND C92 1uF R36 30k 5 6k R34 TP5 2SA812 T1 M5M6 Q18 1uF C21 R103 1k GND PCF8574AT IC11 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 GND C89 100uF 16V R53 22 R6 33k R99 2 2 R86 120 GND 12V 16V 47uF C10 47uF C43 R77 3k 7pF C36 2SC1623 T1 L5L6 Q25 C...

Page 29: ...T_R 3 OUT_R 1 OUT_R 4 OUT_R 4 OUT_R 3 OUT_R 2 OUT_R 2 IN_R OUT_R 1 IN_L OUT_L 3 OUT_L 1 OUT_L 4 OUT_L 4 OUT_L 3 OUT_L 2 OUT_L 2 IN_L OUT_L 1 IN_L OUT_L 3 OUT_L 1 OUT_L 4 OUT_L 4 OUT_L 3 OUT_L 2 OUT_L 2 IN_L OUT_L 1 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND 5 8 13 2 15 4 14 6 10 3 9 CN2 AUDIO CH2 CONT AUDIO CH1 CN1 12 1 11 7 IN_R OUT_R 3 OUT_R 1 OUT_R 4 OUT_R 4 OUT_R 3 OUT_R 2...

Page 30: ...0uF 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 1 2 8 7 6 5 3 SI4431DY T1 Q2 4 1 2 8 7 6 5 3 GND CN3 1 5Vin 7 GND CN4 1 5Vout 5 GND 9 5Vout 47uH L1 47uH L2 DD 36 DD 36 BKPF L753A SY S N 10001 throu...

Page 31: ...2 R87 H3 R88 G1 R89 G1 R90 H1 R91 J1 R92 G3 R93 G3 R94 H3 R95 J3 R96 F1 R97 G1 R98 F3 R99 G3 R100 F2 R101 G2 R102 H1 R103 J2 R104 F2 R105 G2 R106 H2 R107 J2 R108 G1 R109 G1 R110 H1 R111 H1 R112 G2 R113 G2 R114 H2 R115 H2 R116 G2 R117 G2 R118 H1 R119 H1 R120 G2 R121 G2 R122 H2 R123 H2 R124 K1 R125 K2 R126 K1 R127 K2 R128 K1 R129 K1 R130 K2 R131 K2 R132 K3 R133 K2 R134 K2 R135 K2 R136 K3 R137 K2 R13...

Page 32: ...4 E3 C5 E3 C6 C2 C7 D2 C8 C1 C9 C1 C10 D1 C11 C1 C12 C2 C13 C2 C14 C1 C15 C1 C16 E3 C17 E3 C18 F3 C19 F3 C20 F3 C21 F3 C22 B3 C23 B3 C24 B2 C25 B2 C26 B2 C27 A3 C28 B3 C29 B2 C30 B2 C31 B2 C32 B1 C33 B1 C34 A1 C35 C1 C36 B1 C37 B1 C38 B2 C39 A1 C40 B2 C41 B1 C42 E1 C43 D1 C44 D2 C45 E2 C46 F1 C47 F1 C48 E1 C49 F1 C50 H1 C51 H1 C52 G1 C53 H2 C54 F2 C55 E2 C56 E2 C57 E2 C58 H3 C59 H3 C60 H3 C61 H3 C...

Page 33: ... SIDE SUFFIX 11 12 DD 36 1 674 689 11 12 B SIDE C1 B2 C2 B2 C3 B2 C4 A2 C5 A2 C6 B2 C7 A2 C8 A1 C10 A2 C11 B1 C13 A2 CN1 B2 CN2 A1 D1 A1 D2 B1 D3 A2 D4 B2 IC1 B2 L1 A1 L2 B1 Q1 B1 Q2 A1 R1 B2 R2 B1 R3 A1 DD 36 DD 36 BKPF L753A SY S N 10001 through 17325 ...

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Page 36: ...Printed in Japan Sony Corporation 2003 11 22 B P Company 1999 BKPF L753A SY J E 9 967 844 02 ...