Sony BKPF-L752 User Manual

AUDIO D/A CONVERTER BOARDBKPF-L752MAINTENANCE MANUAL1st EditionSerial No. 10001 and Higher

2-2 (E)BKPF-L7522-2. Preparation for Adjustment1. Extend the DAC-38 board with a extension board.2. Write down the customer settings of the switch (S3

2-3 (E)BKPF-L7522-4. Input/Output Gain Adjustment2-4. Input/Output Gain AdjustmentThe specification value described for this input/output gainadjustme

3-1BKPF-L752Section 3Spare Parts------------------CN-1858/1859 BOARD------------------ Ref. No. or Q'ty Part No. SP Description 1pc 1-79

3-2BKPF-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

3-3BKPF-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

3-4BKPF-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

4-1BKPF-L752ICDIODE Page LED PageSemiconductors of which functions are equivalent are describedhere. For parts replacement, refer to the section of Sp

4-2BKPF-L752ICDIODEDiode, LED, Transistor1SS2261SS226-TE85LDAN217DAN217-T146LED TRANSISTOR—TOP VIEW——TOP VIEW—R1R2—TOP VIEW—CL-155UR/G-DCL-155UR/G-DT2

4-3BKPF-L752ICICTC74VHC08FT(EL) (TI) CS8412-CS (CRYSTAL)CS8412-IS-E1 (CRYSTAL)CS8412-IS-E2123456714 13 12 11 10 9 8GNDVDDA0011B0101Y000101: LOW LEVEL

! WARNINGThis manual is intended for qualified service personnel only.To reduce the risk of electric shock, fire or injury, do not perform any servici

4-4BKPF-L752ICTL082CPS-E20 (TI)TL082M (RAYTHEON)PCM1716E-BT2 (BURR-BROWN)EPM7032SLC44-10(05) (ALTERA)789101112131415161739383736353433323130296 5 4 3

4-5BKPF-L752ICSSM-2142P (PMI)PCF8574AT (PHILIPS) TL7705ACPS (TI)TL7705ACPSRVCCGNDSENSE INOUT (1)OUT (2))SENSERESINCTVREFOUT (1)OUT (2)VREF OUTRESIN IN

5-1BKPF-L7525-1OVERALL Block DiagramBlock Diagram OVERALLSection 5Block DiagramOVERALLRG12341 RV1011 RV2011 RV3011 RV401CH1 GAIN ADJCH2 GAIN ADJCH3

6-1BKPF-L7526-123451A BCDEFGHGNDOUT_L(+)2OUT_L(-)2GNDGNDGNDOUT_R(+)2OUT_R(-)2GNDGNDGNDOUT_L(+)1OUT_L(-)1GNDGNDGNDOUT_R(+)1OUT_R(-)1GNDGNDGNDGNDGNDGNDA

6-2BKPF-L7526-22345ABCDEFGH1BKPF-L752 (SY) : S/N 10001 and HigherCS8412-CSIC1RXP9DGND8VA+22FSYNC11RXN10FILT20MCK19C0/E06SEL16CS12/FCK13SCK12SDATA26M02

6-3BKPF-L7526-323451A BCDEFGHBKPF-L752 (SY) : S/N 10001 and Higher1SS226-TE85LD5011231SS226-TE85LD5021231SS226-TE85LD5031231SS226-TE85LD504123PCM1716E

6-4BKPF-L7526-42345ABCDEFGH1BKPF-L752 (SY) : S/N 10001 and Higher0.1uFC4031.2kR308GND-A0.1uFC3220.1uFC5180.1uFC3050.1uFC4120.1uFC422PCM1716E-BT2IC502V

6-5BKPF-L7526-523451A BCDEFGHBKPF-L752 (SY) : S/N 10001 and HigherDAC-38 (4/5)BOARD NO. 1-674-129-11LOT NO. 902-PCF8574ATIC601SDA15P04VDD16VSS8SCL14A2

1 (E)BKPF-L752Table of ContentsManual StructurePurpose of this manual ...

6-6BKPF-L7526-62345ABCDEFGH1BKPF-L752 (SY) : S/N 10001 and HigherDAC-38 (5/5)BOARD NO. 1-674-129-11LOT NO. 902-+5VIN50V1uFC707GND10uHL110uHL310uHL425V

7-1BKPF-L7527-1DAC-38DAC-38BKPF-L752 (SY) : S/N 10001 and HigherSection 7Board LayoutDAC-38 -B SIDE-SUFFIX: -11DAC-38 -A SIDE-SUFFIX: -11-------------

Printed in JapanSony Corporation 1999. 8 22Broadcasting & Professional Systems Company ©1999BKPF-L752 (SY) J, E9-967-843-01

2 (E)BKPF-L7526. Schematic DiagramsCN-1858/1859 ...

3 (E)BKPF-L752Purpose of this manualThis manual is the maintenance manual of Audio D/A Converter BoardBKPF-L752.This manual is intended for use by tra

1-1 (E)BKPF-L752Section 1Service Overview1-2. IC Link ReplacementwAn IC link is critical parts to safe operation.Replace this component with Sony part

1-2 (E)BKPF-L752D3S3OND814D815RV101RV201RV301RV4013214567812341-3. Name and Function of Switch/Indicator/etc.Main Board (DAC-38 Board: Side A)Switches

2-1 (E)BKPF-L752Section 2Electrical Alignment2-1. Electrical Alignment Overview2-1-1. Required Equipment and ToolsUse the equipment listed below or th