Sony BKPF-L752

2 (E) BKPF-L752

6. Schematic Diagrams

CN-1858/1859 ........................................................................................................6-1

DAC-38 ..................................................................................................................6-2

7. Board Layout

DAC-38 ..................................................................................................................7-1

Contents

Main Page Table of Contents Page Manual Structure Purpose of this manual Contents Related manuals Page Section 1 Service Overview 1-2. IC Link Replacement 1-1. Notes on Repair Parts 1-2 (E) 1-3. Name and Function of Switch/Indicator/etc. Switches/gain adjusting VRs (Factory default settings are indicated by a \\ \\ \ mark) Indicators 2-1 (E) Section 2 Electrical Alignment 2-1. Electrical Alignment Overview 2-1-1. Required Equipment and Tools Use the equipment listed below or the equivalent. 2-1-2. Connection 2-2. Preparation for Adjustment 2-3. Power Supply Voltage Adjustment 2-4. Input/Output Gain Adjustment Page Section 3 Spare Parts Page Page Page 4-1 Section 4 Semiconductor Pin Assignments Index 4-2 DIODE Diode, LED, Transistor LED TRANSISTOR 4-3 IC C0 B A 4-4 TL082CPS-E20 (TI) TL082M (RAYTHEON) ZERO RST CS 4-5 SSM-2142P (PMI) PCF8574AT (PHILIPS) TL7705ACPS (TI) TL7705ACPSR I * OPEN COLLECTOR Page 5-1 OVERALL POWER DAC-38 Section 5 Block Diagram CN-1858 OVERALL CN-1859 Page 6-1 BKPF-L752 6-1 Section 6 Schematic Diagrams Index CN-1858/1859 CN-1858 BOARD NO. 1-674-283-11 DAC-38 (1/5) DAC-38 (1/5)DAC-38 (1/5) 6-3 SSM-2142P IC201 DAC-38 (2/5) DAC-38 (2/5)DAC-38 (2/5) 6-4 SSM-2142P IC402 DAC-38 (3/5) DAC-38 (3/5)DAC-38 (3/5) 6-5 PCF8574AT IC606(2/5) DAC-38 (4/5) DAC-38 (4/5)DAC-38 (4/5) BOARD NO. 1-674-129-11 IC601 IC608 DAC-38 (5/5) DAC-38 (5/5)DAC-38 (5/5) TP1 RV1:+5V-A ADJ. 1 Section 7 Board Layout DAC-38