Table Of Contents - Technics SU-A808 Service Manual

Table of Contents

Specifications1
Contents2
Before Repair2
Protection Circuitry2
Accessories2
Caution For Ac Mains Leads3
How To Replace The Fuse3
Operations4
Front Panel Controls4
If The Clear Panel Comes Off4
Connections To Other Equipment5
Connecting The Speakers6
Connecting The Power Supply6
Listening7
To Adjust The Sound Balance8
The Vgca Circuit8
To Adjust The Tone Quality8
To Mute The Sound Level/To Listen Through Headphones8
Recording9
To Check A Recording9
Operation Checks And Component Replacement Procedures10
Checking Procedures For Each Pcb10
Notice For Installation Of Condenser Holder10
Main Component Replacement Procedures11
Replacement For The Power Ic And Regulator Transistor11
Installation Of The Bottom Cover After Replacement12
About The +/- 15 V Line Abnormality Detect Function13
Schematic Diagram13
Main Circuit Schematic Diagram14
Operation Circuit Schematic Diagram15
Volume Circuit Schematic Diagram20
Printed Circuit Board Diagram22
Block Diagram28
Wiring Connection Diagram30
Type Illustration Of Ics, Transistors And Diodes31
Measurements And Adjustmens32
Output Voltage Adjustment32
Terminal Function Of Ics33
Replacement Parts List33
Cabinet Parts Location37
Packaging39