optonica SA-5202 Manuals

optonica SA-5202 Manuals

Manuals and User Guides for optonica SA-5202. We have 1 optonica SA-5202 manual available for free PDF download: Service Manual

optonica SA-5202 Service Manual

optonica SA-5202 Service Manual (41 pages)

FM/AM FM Stereo Receiver

Brand: optonica | Category: Stereo Receiver | Size: 6 MB

Table of Contents

Index to Contents
1
Specifications
2
General Description
2
Disassembly
3
To Remove the Cabinet
3
To Remove the Bottom Plate
3
To Remove the Front Panel
3
Dial Cord Stringing
4
Setting of the Dial Cord
4
Setting of the Pointer
4
Front Parts Layout
5
Rear Parts Layout
5
Block Diagram
6
Circuit Description
7
FM RF Section
7
Fm Agc
7
FM if Section
7
FM Detection Sections
8
FM Muting Circuit
9
Low Pass Filter
9
FM Detector Circuit and FM Muting Circuit
9
FM Stereo Demodulator Section
10
FM Stereo Demodulator Circuit
10
Air Check Calibration Circuit
11
Air Check Cal. Circuit
11
AM Section
12
Tone Amplifier Circuit
13
Equalizer Amplifier Circuit
13
Main Amplifier Section
14
Main Amplifier Circuit
14
Output Power Vs Total Harmonic Distortion
15
Power Bandwidth Characteristic
15
Electronic Muting Circuit
16
Power Supply Circuit
16
Alignment
18
Required Equipment
18
AM if Alignment
19
AM RF Alignment
19
FM Alignment
20
FM Alignment Equipment Connections
20
S Curve
20
FM Tuning Meter Adjustment and Distortion Factor Adjustment
21
Adjustment of Air Check Cal.
21
FM Stereo V.C.O. and Separation Adjustment
22
FM Stereo Alignment Equipment Connections
22
Alignment Points of RF/IF P.W. Board
23
Wire Holder
24
Transistor Types
24
Replacement of Power Amplifier IC
25
Diode Types
25
Power Amplifier IC Replacement
25
Wiring Side of Audio Amplifier Circuit Board
26
Wiring Side of Rf/If/Multiplex Circuit Board
27
Notes on Schematic Diagram
29
Outer View of Integrated Circuit
29
Equivalent Circuit of Integrated Circuit
30
Replacement Parts List
34
Parts List
35

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