Sony BKPF-L752 Maintenance Manual Download Page 30

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6-6

BKPF-L752

6-6

BKPF-L752 (SY) : S/N 10001 and Higher

DAC-38 (5/5)

BOARD NO. 1-674-129-11
LOT NO. 902-

+5VIN

50V

1uF

C707

GND

10uH

25V

47uF

C701

25V

47uF

C712

0.1uF

C702

0.1uF

C713

GND

0.1uF

C705

0.1uF

C706

+12V

-12V

GND-A

GND

16V

10uF

C714

16V

10uF

C715

220

R709

220

R710

0.001uF

C716

0.001uF

C717

RV1

RV2

15k

R711

5.6k

R712

5.6k

R714

R715

R716

6.3V

330uF

C718

6.3V

330uF

C719

0.1uF

C720

0.1uF

C721

100

R717

100

R718

GND-A

GND

GND-A

PS1

TP1

+5V-A

+5V

TP2

RV2:+5V ADJ.

2SB1204S-FA-TL

GND

DD701

+VOUT

COM

+VIN

-VIN

VSET

-VOUT

GND GND

GND-A

2SC1623-T1-L5L6

33k

R719

33k

R720

15k

R721

R722

GND

+12V

-12V

10k

R723

10k

R724

R725

CL-155UR/G-DT

GND

10uH

15k

R713

E-POWER

2SA812-T1-M5M6

M5237ML-TP1

IC4

GND

REF

M5237ML-TP1

IC5

GND

REF

20k

RV3

TP3

TP4

16V

220uF

C722

16V

220uF

C703

16V

220uF

C709

16V

220uF

C723

16V

220uF

C704

16V

220uF

C710

43k

R727

RV1:+5V-A ADJ.

RV3:

12V ADJ.

-12V

+12V

+5V-A

+5V

DAC-38 (5/5)

Summary of Contents for BKPF-L752

Page 1: ...AUDIO D A CONVERTER BOARD BKPF L752 MAINTENANCE MANUAL 1st Edition Serial No 10001 and Higher ...

Page 2: ...ie 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 ...

Page 3: ... Name and Function of Switch Indicator etc 1 2 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 for Adjustment 2 2 E 2 3 Power Supply Voltage Adjustment 2 3 E 2 4 Input Output Gain Adjustment 2 3 E 3 Spare Parts CN 1858 1859 3 1 DAC 38 3 1 4 Semiconductor Pin Assignments 5 Block Diagram OVERALL 5 1 ...

Page 4: ...2 E BKPF L752 6 Schematic Diagrams CN 1858 1859 6 1 DAC 38 6 2 7 Board Layout DAC 38 7 1 ...

Page 5: ... 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 Section 5 Block Diagram This section describes the overall block diagram Section 6 Schematic Diagrams This section describes the schematic diagrams of the DAC 38 and CN 1858 1859 boards Section...

Page 6: ......

Page 7: ...lated 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 standardized repair parts 3 Stock of Parts Parts marked with o at SP Supply...

Page 8: ... the audio output level of the each channel within the range between _14 dB 5 RV406 CH2 GAIN _10 dBm output and 4 dB 8 dBm output at _20 dB FS input 6 RV407 CH3 GAIN n 7 RV408 CH4 GAIN At the factory out they were adjusted so as to convert a digital audio signal _20 dB FS into an analog audio signal 4 dBm Indicators No Ref No Name Color Function 1 D3 POWER 12 V Green red Green A power of 12 V is n...

Page 9: ...r PFV L10 Audio A D converter board Sony BKPF L751 Factory default condition Digital voltmetor 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 668 731 Audio level mater DAC 38 board Input Analog audio signal generator Output Digital voltmeter COM 600 Z...

Page 10: ...tmeter 1 Set the digital voltmeter as follows Range AUTO Mode DC V 5 V adjustment for Analog line 2 Connect the probe of the digital voltmeter as follows TP1 DAC 38 G 2 _ E7 DAC 38 C 2 3 Adjust the voltage on the digital voltmeter Adjustment point 1RV1 DAC 38 G 2 Specification 4 75 0 05 V dc 5 V adjustment for Digital line 4 Connect the probe of the digital voltmeter as follows TP2 DAC 38 F 2 _ E2...

Page 11: ... IN connector of the audio A D convertor board BKPF L751 7 Connect the audio level meter to the CH2 output of AUDIO OUT connector 8 Adjust the CH2 output level on the audio level meter Adjustment point 1RV201 DAC 38 A 2 Specification 4 0 0 1 dBm at 600 Z load CH3 adjustment 9 Connect the generator to the CH3 input of AUDIO IN connector of the audio A D converter board BKPF L751 10 Connect the AES ...

Page 12: ......

Page 13: ... 2012 C18 1 163 809 11 s CERAMIC CHIP 0 047uF 10 25V 2012 C19 1 126 394 11 s ELECT CHIP 10uF 20 16V C20 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 C21 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 C22 1 126 394 11 s ELECT CHIP 10uF 20 16V C23 1 163 003 11 s CERAMIC CHIP 330pF 10 50V 2012 C103 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 C104 1 163 251 11 s CERAMIC CHIP 100pF 5 50V 2012 C105 1 163 038 0...

Page 14: ...1uF 10 50V 2012 C518 1 115 339 11 s CERAMIC CHIP 0 1uF 10 50V 2012 C519 1 126 396 11 s ELECT CHIP 47uF 20 16V C520 1 126 396 11 s ELECT CHIP 47uF 20 16V C521 1 126 395 11 s ELECT CHIP 22uF 20 16V C522 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 C523 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 DAC 38 BOARD Ref No or Q ty Part No SP Description C524 1 163 038 00 s CERAMIC CHIP 0 1uF 25V 2012 C525 1 12...

Page 15: ...IP 75 0 5 1 10W 2012 R2 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R3 1 216 603 11 s METAL CHIP 10 0 5 1 10W 2012 R4 1 216 655 11 s METAL CHIP 1 5K 0 5 1 10W 2012 R5 1 216 675 11 s METAL CHIP 10K 0 5 1 10W 2012 R6 1 216 643 11 s METAL CHIP 470 0 5 1 10W 2012 R7 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R9 1 216 619 11 s METAL CHIP 47 0 5 1 10W 2012 R10 1 216 624 11 s METAL CHIP 75 0 5 1 10W...

Page 16: ... 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R526 1 216 677 11 s METAL CHIP 12K 0 5 1 10W 2012 R527 1 216 675 11 s METAL CHIP 10K 0 5 1 10W 2012 R528 1 216 683 11 s METAL CHIP 22K 0 5 1 10W 2012 R529 1 216 683 11 s METAL CHIP 22K 0 5 1 10W 2012 R530 1 216 651 11 s METAL CHIP 1 0K 0 5 1 10W 2012 R531 1 216 677 11 s METAL CHIP 12K 0 5 1 10W 2012 R532 1 216 675 11 s METAL CHIP 10K 0 5 1 10W 2012 R533 1 216 6...

Page 17: ...0 05 4 4 M5237M TP1 4 4 M5237ML 4 4 NJM2267M 4 4 NJM2267M TE2 4 4 PCF8574AT 4 5 PCM1716E BT2 4 4 SSM 2142P 4 5 TC74VHC08FT EL 4 3 TL082CPS E20 4 4 TL082M 4 4 TL7705ACPS 4 5 TL7705ACPSR 4 5 2SA1162G 4 2 2SA812 T1 M5M6 4 2 2SB1204S FA 4 2 2SB1204S FA TL 4 2 2SC1623 4 2 2SC1623 T1 L5L6 4 2 2SD999 CLCK 4 2 2SD999 T1CK 4 2 2SJ463A T1 4 2 DTA114EKA 4 2 DTA114EKA T146 4 2 DTA144EUA 4 2 DTA144EUA T106 4 2...

Page 18: ...2G 2SA812 T1 M5M6 DTA114EKA R1 10k R2 10k DTA114EKA T146 DTA144EUA R1 47k R2 47k DTA144EUA T106 TOP VIEW 1SS352 1SS352 TPH3 2SB1204S FA 2SB1204S FA TL R1 R2 TOP VIEW DTC114EKA R1 10k R2 10k DTC114EKA T146 DTC124XE R1 22k R2 47k DTC124XE TL TOP VIEW DAP202U DAP202UT106 TOP VIEW 2SC1623 2SC1623 T1 L5L6 TOP VIEW 2SD999 CLCK 2SD999 T1CK TOP VIEW S 2SJ463A T1 RED GREEN ...

Page 19: ...ECEIVE NEGATIVE CHANNEL SELECT FCLOCK FREQUENCY CS SELECT SERIAL PORT MODE SELECT0 SERIAL PORT MODE SELECT1 SERIAL PORT MODE SELECT2 SERIAL PORT MODE SELECT3 AUDIO PORT SERIAL 17 M3 M2 18 M1 24 M0 23 REGISTER CLOCK DATA RECOVERY RS422 RECEIVER DE MUX MUX MUX 26 S DATA 12 SCK 11 F SYNC 1 C 14 U 28 VERF 15 CBL 25 ERF 27 Ce F2 2 Cd F1 3 Cc F0 4 Cb E2 5 Ca E1 6 C0 E0 16 SEL 13 CS12 FCK 19 MCK FILT 20 ...

Page 20: ...1 16 I O CONTROL BLOCK MACROCELL 17 32 I O I O CONT 3 GND 2 V IN 1 R2 R2 R1 R1 4 3K V OUT V IN CONT GND 1 3 2 V REF V IN 3 5V to 36V V OUT 1 5V to 33V R2 4 3 V OUT VREF 1 1 26x 1 V R1 4 3K VREF 1 26V ADJUSTABLE VOLTAGE REGULATOR M5237M TP1 M5237ML MITSUBISHI INPUTS BCKIN CS IWO DIN LRCIN MC DM1 MD DM0 ML I2S MODE MUTE RST XTI OUTPUTS CLKO EXTL EXTR VOUTL VOUTR XTO ZERO OTHER NC BIT CLOCK CHIP SELE...

Page 21: ...IN A1 IN A2 IN P0 I O P1 I O P2 I O P3 I O SDA SCL INT P7 I O P6 I O P5 I O P4 I O 13 4 5 6 7 9 10 11 12 15 INT P0 P1 P2 P3 P4 P5 P6 P7 SDA A0 A1 A2 SCL 1 2 3 14 INPUT A0 A2 SCL OUTPUT INT SDA INPUT OUTPUT P0 P7 ADDRESS INPUTS SYSTEM CLOCK LINE INTERRUPT OUTPUT SERIAL DATA LINE 8 BIT QUASI BIDIRECTIONAL I O PORT GND VDD C MOS REMOTE 8 BIT I O EXPANDER TOP VIEW INTERRUPT LOGIC INPUT FILTER POWER ON...

Page 22: ......

Page 23: ...RSAMPLING FILTER BUFFER BUFFER AES EBU_IN CH2 REGULATOR REGULATOR 5V A 5V 12V CN1 CN1 IC104 IC103 IC103 IC303 IC303 IC501 IC1 DE EMPHASIS ON OFF DE EMPHASIS ON OFF IC2 IC3 IC3 Q1 IC4 Q2 IC5 D3 RECEIVER AES EBU DIGITAL OVERSAMPLING FILTER DIGITAL LPF LINE DRIVER BALANCED LINE DRIVER 1 RV3 12V ADJ 1 RV1 5V ADJ BALANCED GAIN AMP GAIN AMP LINE DRIVER BALANCED LINE DRIVER IC204 IC304 IC404 LPF 12V Q3 4...

Page 24: ......

Page 25: ...9B 10B 11A 11B 11C 15C 16B 9A 10A 3C 4A 12A 12B 12C 13A 13B 13C 14A 14B 14C 15A 15B 16A 16C CN1 CN1 CN1 CN1 CN1 CN1 CN5 1 2 1 2 6 7 3 4 5 8 9 10 CN4 6 7 3 4 5 8 9 10 AUDIO OUT CN2 CN1 OUT3 OUT3 OUT4 OUT4 GND GND GND GND CN2 1 OUT3 2 OUT3 3 GND 4 OUT4 5 OUT4 6 GND GND 1 2 6 7 GND GND GND 3 4 5 8 9 10 CN1 OUT1 OUT1 OUT2 OUT2 GND GND 1 2 3 4 OUT1 2 1 OUT1 3 GND 4 OUT2 5 OUT2 6 GND GND 1 2 6 7 GND GND...

Page 26: ...0k R13 0 1uF C16 0 1uF C14 DAN217 T146 D2 1 2 3 0 1uF C17 5V NJM2267M TE2 IC3 1 2 1 2 4 3 7 NJM2267M TE2 IC3 2 2 8 5 6 LOAD 1 GND AESIN2 1 OUT2L 3 OUT2L 3 OUT2R 3 OUT2R 3 LOAD 1 AESIN1 1 OUT1L 2 OUT1L 2 OUT1R 2 OUT1R 2 DIAG 4 GND 5VIN CN1 GND GND AESIN1 AESIN2 GND GND GND GND GND SPARE GND GND GND GND GND OUT2L GND OUT1L OUT2L GND OUT1L GND GND GND OUT2R GND OUT1R OUT2R GND OUT1R GND GND GND A0 A1...

Page 27: ...V 47uF C120 16V 47uF C121 16V 47uF C220 16V 47uF C221 1SS226 TE85L D511 1 2 3 2SD999 T1CK Q505 GND TL7705ACPSR IC505 RESET 6 VCC 8 GND 4 RESET 5 SENSE 7 RESIN 2 VREF 1 CT 3 10k R509 10k R510 0 1uF C523 0 1uF C524 5V GND GND GND GND 0 1uF C522 2SC1623 T1 L5L6 Q501 2SC1623 T1 L5L6 Q502 DTC124XE TL Q503 10k R505 22k R104 16V 10uF C530 220pF C114 12k R110 12k R515 220pF C214 16V 10uF C211 22k R516 XTI...

Page 28: ...D A 12V OUT2L GND A 16V 47uF C519 100k R316 8 2k R401 0 1uF C310 100pF C404 16V 47uF C320 PWONM 2 GND A E6 E7 GND GND A 0 1uF C316 GND 1SS226 TE85L D507 1 2 3 1SS226 TE85L D508 1 2 3 22k R304 16V 10uF C330 220pF C314 12k R310 22k R404 16V 10uF C411 220pF C414 12k R422 XTI2 4 SDATA2 1 SCK2 1 FS2 1 RST 2 0 0033uF C307 0 0033uF C308 0 0033uF C313 0 0033uF C407 0 0033uF C408 0 0033uF C413 16V 220uF C3...

Page 29: ...5 A11 16 A12 17 A2 5 A1 4 VCC1 3 IN OE2 GCLK2 2 IN GCLRn 1 IN OE1 44 IN GCLK1 43 GND4 42 B16 41 B15 40 TDO B13 38 B12 37 B11 36 VCC4 35 B10 34 B9 33 TCK B8 32 B7 31 GND3 30 B6 29 A14 19 A15 20 A16 21 GND2 22 VCC3 23 B1 24 B2 25 B3 26 B4 27 B5 28 GND GND GND E POWER 5 MUTE1 2 DM0 1 2 DM1 1 2 DM0 2 3 DM1 2 3 DIAG 1 CN3 1 TCK 2 GND 3 TDO 4 VCC 5 TMS 6 TDI 7 GND 5V GND 5V GND 47k R827 47k R829 47k R83...

Page 30: ... 100 R717 100 R718 GND A GND GND GND GND A PS1 TP1 5V A 5V TP2 1RV2 5V ADJ 2SB1204S FA TL Q1 2SB1204S FA TL Q2 E8 GND DD701 VOUT 6 COM 4 VIN 1 VIN 2 VSET 5 VOUT 3 7 8 GNDGND GND A 2SC1623 T1 L5L6 Q3 2SC1623 T1 L5L6 Q4 2SC1623 T1 L5L6 Q6 33k R719 33k R720 15k R721 1k R722 GND GND GND 12V 12V 10k R723 10k R724 1k R725 R G CL 155UR G DT D3 1 2 3 4 GND 10uH L2 15k R713 E POWER 4 2SA812 T1 M5M6 Q8 M523...

Page 31: ... C2 E8 H3 FL1 H2 FL2 F2 FL3 H1 FL4 H2 FL5 H2 FL6 H2 FL7 H2 FL9 H1 FL10 H1 FL11 H1 FL12 H1 IC1 E2 IC2 E2 IC3 G2 IC4 G3 IC5 F3 IC101 C1 IC102 C1 IC103 C1 IC104 C1 IC201 C2 IC202 C2 IC203 C2 IC204 C2 IC301 C3 IC302 C3 IC303 C3 IC304 C3 IC401 C3 IC402 C3 IC403 C3 IC404 C3 IC501 D1 IC502 D2 IC505 E2 IC601 G2 IC603 G1 IC604 G2 IC606 F1 IC608 F1 IC609 G2 L1 F3 L2 G3 L3 D3 L4 D3 PS1 H3 Q1 G3 Q2 F3 Q3 F2 Q...

Page 32: ......

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Page 34: ...Printed in Japan Sony Corporation 1999 8 22 Broadcasting Professional Systems Company 1999 BKPF L752 SY J E 9 967 843 01 ...

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