Technics SE-HD81 Manuals

Technics SE-HD81 Manuals

Manuals and User Guides for Technics SE-HD81. We have 1 Technics SE-HD81 manual available for free PDF download: Service Manual

Technics SE-HD81 Service Manual

Technics SE-HD81 Service Manual (33 pages)

Brand: Technics | Category: Amplifier | Size: 2.07 MB

Table of Contents

Specifications
1
Contents
2
Accessories
2
Before Repair and Adjustment
2
Caution for AC Main Lead
3
How to Replace the Fuse
3
Protection Circuitry
4
Location of Controls
4
Installation
4
Locating the Components
4
Connections
5
Changing the Tone
7
Listening with Vocal Presence
7
For Clearer Sound
7
To Adjust the Sound Balance
7
Operation Checks and Main Component Replacement Procedures
8
Checking Procedure for each P.C.B.
8
Checking for the Operation P.C.B.
8
Checking for the PDM P.C.B.
9
Main Components Replacement Procedures
10
Wiring Connection Diagram
10
Replacement for the Regulator Transistor
10
To Supply Power Source
11
Type Illustration of Ics, Transistors and Diodes
11
Schematic Diagram
12
Operation Circuit
13
PDM Circuit
14
Main Circuit
15
Printed Circuit Board Diagram
18
Block Diagram
21
Replacement Parts List
23
Cabinet Parts Location
26
Packaging
27
Replacement Parts List
28
Cabinet Parts Location
31

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