Technics SU-C909U - Service Manual

Table Of Contents
COVER
1 Note
2 Location of Controls
3 To Supply Power Source
3.1 Power Supply to Main
Circuit
3.2 Operation Check
4 Operation Checks and
Component
ReplacementProcedures
5 Type Illustration of ICs,
Transistors and Diodes
6 Schematic Diagram
6.1 Schematic Diagram
Notes
6.2 Schematic Diagram
7 Printed Circuit Board
Diagram
8 Block Diagram
9 Wiring Connection
Diagram
10 Measurements and
Adjustments
10.1 Measurement
instruments and Special tools
10.2 Output Voltage
Adjustment
11 Terminal Function of
ICs
11.1 IC701
(M38503M2404F) : Micro
Computer
12 Replacement Parts List
13 Cabinet Parts Location
14 Packaging
Service Manual
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AD9907176C2
Control Amplifier
● SU-C909U
Colour
(K)..........Black Type
Area
(E)..........Europe and Russia.
PV
PV

Technics SU-C909U Specifications

General

Brand	Technics
Model	SU-C909U
Category	Amplifier
Language	English

Summary

Specifications (DIN 45 500)

2 Location of Controls

3 To Supply Power Source

4 Operation Checks and Component Replacement;Procedures

Component Checks and Replacement Procedures

Outlines steps for checking operation and replacing internal components and PCBs.

6 Schematic Diagram

6.1 Schematic Diagram Notes

Provides explanations for symbols, component notations, and safety precautions within schematic diagrams.

6.2 Schematic Diagram

Presents the detailed circuit schematics for the unit's internal workings.

7 Printed Circuit Board Diagram

8 Block Diagram

9 Wiring Connection Diagram

10 Measurements and Adjustments

10.2 Output Voltage Adjustment

Details the procedure for adjusting the unit's output voltage levels.

11 Terminal Function of ICs

11.1 IC701 (M38503 M2404 F): Micro Computer

Explains the pin functions and definitions for the main microcomputer IC.

12 Replacement Parts List