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Sony
BKPF-L753A
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36 pages, 1.35 Mb
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
1-3. Shield Case (S/N10001 through S/N17325)
1-1. Notes on Repair Parts
1-2 (E)
1-4. Name and Function of Switch/Indicator/etc.
Switches/shorting plugs (Factory default settings are indicated by a \\
\\ \ mark)
Indicator
Gain adjusting VR
1-5. Unleaded Solder
Page
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
2-3. Input/Output Gain Adjustment
2-2. Preparation of Adjustment
2-4. CMRR (Common Mode Rejection Ratio) Adjustment
2-5. Input/Output Gain Adjustment for Customer Setting
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
PCF8574AT (PHILIPS)
NJM5534M (JRC) NJM5534M(TE2)
MAX742CWP-TE2 (MAXIM)
Page
5-1
Section 5 Block Diagram
OverallOverall
DD-36
Overall
DETECT
INV
(R)(2/2)
Page
Page
6-2 (b)
SUFFIX: -14 ADA-55
RV4:GAIN ADJ.
RV3:GAIN ADJ.
ADA-55
BOARD NO. 1-668-838-14
SUFFIX: -14
Q37 Q37
UN2221-TX UN2221-TX
Page
6-2 (a)
SUFFIX: -11, 12
SUFFIX: -11, 12 ADA-55
6-2 (a)
ADA-55
BOARD NO. 1-668-838-11, 12
Q5
S/N 10001-11870
S/N 10001-10290 ONLY
CN-1855
CN-1855/1856CN-1855/1856
BOARD NO. 1-674-068-11, 12 LOT NO. 812-
CN-1856
BOARD NO. 1-674-069-11, 12
DD-36
IC1
Q1
Q2
DD-36DD-36
Section 7 Board Layouts
SUFFIX: -14
ADA-55
7-2
7-2
ADA-55
7-3
DD-36
DD-36DD-36