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SPEC-2
Pioneer SPEC-2 Manuals
Manuals and User Guides for Pioneer SPEC-2. We have
2
Pioneer SPEC-2 manuals available for free PDF download: Service Manual, Operating Instructions Manual
Pioneer SPEC-2 Service Manual (50 pages)
Brand:
Pioneer
| Category:
Amplifier
| Size: 8.17 MB
Table of Contents
Table of Contents
2
Specificat|Ons
3
1 Spec|F|Cat|Ons
4
2 Front Panel Facilities
4
3 Connection Diagram
5
4 Circuit Description
6
Power Amplifier
6
Power Amplifier Circuit
6
Peak Level Meter Circuit
7
Current Limiter Circuit
7
Equivalent Circuit of the Logarithmic Compression
7
Protection Circuit
8
Relay and Lamp Drivers
8
Power Switch on Muting
8
Block Diagram of the Protection Circuit
8
Power Switch off Muting
9
Impedance Selector Muting
9
Temperature Detector
9
Relay and Lamp Drivers Circuit
9
DC Balance Detector
10
DC Balance Detector Circuit
10
S U R G E C U R R E N T S U P P R E S S O R C I R C U I
10
5 B L O C K D I a G R a
11
6 Adjusting Procedures
13
Connection Diagram for Ldle Current Adjustment
13
Idle Current Adjustment
13
Connection Diagram for Current Limiter Sensitivity Adjustment
14
Current Limiter Sensitivity Adjustment
14
The Position of VR2 and Vr3
14
Meter Amplifier Adjustment
15
Disassembly
16
Removing the Bottom Plate
16
Removing the Top Cover
16
Removing the Front Panel
17
Removing the Meter Amplifier Assembly
18
Removing the Power Amplifier Assembly
19
Power Amplifier Assembly (AWH-045)
20
Power Supply Circuit Assembly (AWR-093)
20
Front Panel View
21
Front View with Panel Removed
21
Rear View
22
Exploded Views
23
Nomenclature of Screws, Washers and Nuts
29
Capacitors
30
Resistors
30
Schematic Diagram and Miscellaneous Parts
30
Schematic Diagrams, P.C. Board Patterns and Parts List
30
Schematic Diagram
31
Power Supply Circuit Assembly
33
Parts List of Power Supply Circuit Assembly (AWR-093)
36
Parts List of Power Amplif Ier Assembly (AWH-045)
40
Parts List of Meter Amplif Ier Assembly (AWM-081 )
45
Packing
47
Parts List of Exploded Views
48
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Pioneer SPEC-2 Operating Instructions Manual (17 pages)
Pioneer SPEC-2 Stereo power amplifier operating instructions
Brand:
Pioneer
| Category:
Amplifier
| Size: 1.06 MB
Table of Contents
Contents
2
Features
2
Stereo System Set-Up
3
Installation Precautions
3
Pre-Amplifier Connection
4
Speaker Systems Connection
4
Speaker Terminal Connections
4
Connection Diagram
5
Front Panel Facilities
6
Before Operating
7
Operation
7
Employing Input Level Controls
7
Protection Circuit Operation
7
Additional Spec-2 Applications
8
4 Channel Stereo System
8
Multi-Amplifier System
8
Incorporation with Spec-1 - Privided with Speakers Terminals
8
Conditions Frequently Mistaken for Malfunction
9
Important - the Voltage
9
Changing the Line Voltage Setting
9
Changing the Fuse
9
Specifications
10
Amplifier Characteristics
11
Installing in Rack
12
Schematic Diagram
13
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