Technics SU-A909 User 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

© 1999 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
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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
PV
PV

Service Manual
TOP NEXT
AD9907176C2
Control Amplifier
●SU-C909U
Colour
(K)..........Black Type
Area
(E)..........Europe and Russia.

© 1999 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
•@
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1 Note
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Refer to the servise manual for Model No. SE-A909S (ORDER No. AD9907177C2) for information
on Accessories, Connections, Operations and Packaging.
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2 Location of Controls
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3 To Supply Power Source
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This unit SU-C909U is designed to operate on power supplied from the Power Amplifier SE-A909S.
When operating the unit SU-C909U alone for testing and servicing, without having power supplied
from the Power Amplifier SE-A909S, use the following method.
3.1 Power Supply to Main Circuit
3.2 Operation Check
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