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SA-EH770
Technics SA-EH770 Service Manual
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-
S
p
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Table of Contents
Before Repairs
2
Protection Circuitry
3
Location of Controls
6
Operation Checks and Component Replacement Procedures
6
Checking for the AC in P.C.B
7
Checking for the Operation P.C.B
8
Checking for the Main P.C.B
11
Replacement for the Regulator Transistor
18
Replacement for the Power IC
20
To Supply Power Source
21
Self-Diagnostic Function
23
To Display the Malfunction Code
23
Display Contents
25
Schematic Diagram Notes
27
Replacement Parts List
34
Cabinet Parts Location
46
MIC Jack P.C.b
55
Power Supply Pcb
55
Schematic Diagram
60
Power Supply Circuit
64
Power Transformer
66
Operation
72
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Technics SA-EH770 Specifications
General
Brand
Technics
Model
SA-EH770
Category
Amplifier
Language
English
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