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SA600
JBL SA600 Manuals
Manuals and User Guides for JBL SA600. We have
1
JBL SA600 manual available for free PDF download: Service Manual And Replacement Parts
JBL SA600 Service Manual And Replacement Parts (59 pages)
Integrated
Brand:
JBL
| Category:
Amplifier
| Size: 8.4 MB
Table of Contents
Index
2
Description of Operating Controls and Connections
3
Functions of Front Panel Controls
3
Power Switch
3
Headphone Jack
3
Tape Monitor Switch
4
Stereo/Mono Switch
4
Input Panel Connections
4
Tape Play
4
Input Panel
5
Input Panel Controls
6
Balance Control
6
Phono Cartridge Matching Switch
6
Back Panel Connections
6
Performance Specifications
7
Introduction
7
Test Points
7
Harmonic Distortion
8
Intermodulation Distortion
8
Sensitivity
8
Bass Control
8
Treble Control
10
Volume Control
10
Transient Response
10
Output Impedance
10
Measurement Techniques
11
Testing High Level Inputs
11
Total Harmonic Distortion
11
Harmonic Distortion Test
11
I.M.distortion Test
12
Hum and Noise
12
Noise Test
12
Testing Low Level Inputs
13
Distortion
13
Theory of Operation
14
Overall Circuit
14
Power Amplifier Details
14
Output T-Circuit
14
Basic "T" Circuit
15
Power Amplifier Block Diagram
15
Why Emitter Followers Are Used
16
Thermal Stability
16
Purpose of the Bias Diode Assembly
16
The Cascaded Stages
17
Output Limitation
17
Driving Stage
17
Preamplifier Details
17
Preamplifier Block Diagram
18
Magnetic Phono Equalization
19
Emitter Follower Stage
19
Balance, Loudness and Volume Controls
19
Loudness Compensation
19
Interstage Amplifier
20
Bass and Treble Controls
20
Tone Control Block Diagram
20
Power Supply
21
Tone Control Curves
21
Differences between SA600 and SA660
22
Simplified SA660 Output Amplifier
23
System Troubleshooting
24
Amplifier Disassembly
24
Top Cover Removal
24
Preamplifier and Front Panel Removal
24
Top View
25
Front Panel
26
Sub Panel
26
Power Supply Removal
27
Driver Cirduir Board Removal
27
Front Panel Removal
27
Detailed Troubleshooting
27
Power Amplifier
28
Basic Stereo System Troubleshooting
29
Power Section Troubleshooting
31
R.F. Interference
32
Output Stage R.F. Filter
32
Preamplifier DC Test Voltages
33
Driver and SA600 Power Amplifier DC Test Voltages
34
SA660 Driver and Power Amplifier DC Test Voltages
35
Zender Diode Installation
36
Bias Diode Installation
36
Repair Precautions
37
Transistor Grease
37
Bias Diode Removal and Installation
37
Transistor Installation
37
Replacement of Resistors and Capacitors
38
Power Line Voltage Change
38
Initial Production
39
Preamplifier
39
Preamplifier Circuit Board
40
SA660 Capacitor Bracket
41
Driver Circuit Board
42
Replacement Parts
43
Resistors
43
Capacitors
43
Transistors
43
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