Pioneer SG-9800 Service Manual - Page 32

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Pioneer SG-9800 Service Manual

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Table of Contents

Model Sg-9800 Comes In Six Versions Distinguished As Follows2

Specifications3

Front Panel Facilities4

Connection Diagram5

Connections To Stereo Amplifier5

Tape Deck Connections5

Connections For Recording5

Circuit Descriptions6

Graphic Equalizer Section6

Octave Control Variation Curve6

Oveload Detector7

Block Diagram Of Graphic Equalizer Section7

Muting Circuit8

Replacement Of The Equalization Characteristics Indicators9

Parts Location10

Front Panel View10

Front View With Panel Removed10

Top View With Top Cover Removed11

Rear Panel View11

Schematic Diagram, Pc Board Patterns And Parts List12

Miscellaneous Parts12

External Appearance Of Transistors And Ics12

Schematic Diagram13

Pc Board Connection Diagram16

Volume Assembly (Gwx-298)18

Volume Assembly (Gwx-299)18

Parts List Of Pc Board Assemblies19

Af Amplifier Assembly (Gwm-132)19

Exploded View21

Parts List Of Exploded View23

Contrast Of Miscellaneous Parts26

Packing And Furnished Parts26

Schematic Diagram For R And R/G Types27

Service Bulletin31

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